./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product26_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_44a01ff9-b143-4d1a-85af-207ddb7b74d7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_44a01ff9-b143-4d1a-85af-207ddb7b74d7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_44a01ff9-b143-4d1a-85af-207ddb7b74d7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_44a01ff9-b143-4d1a-85af-207ddb7b74d7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product26_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_44a01ff9-b143-4d1a-85af-207ddb7b74d7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_44a01ff9-b143-4d1a-85af-207ddb7b74d7/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 df71f9423988e08c5bf2798ccf3c66e61eefb63f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 01:52:47,159 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:52:47,160 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:52:47,166 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:52:47,166 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:52:47,167 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:52:47,167 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:52:47,168 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:52:47,169 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:52:47,169 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:52:47,169 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:52:47,170 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:52:47,170 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:52:47,170 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:52:47,171 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:52:47,171 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:52:47,172 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:52:47,172 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:52:47,173 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:52:47,174 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:52:47,175 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:52:47,175 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:52:47,176 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:52:47,176 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:52:47,176 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:52:47,177 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:52:47,177 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:52:47,178 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:52:47,178 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:52:47,179 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:52:47,179 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:52:47,179 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:52:47,179 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:52:47,179 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:52:47,180 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:52:47,180 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:52:47,180 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_44a01ff9-b143-4d1a-85af-207ddb7b74d7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 01:52:47,187 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:52:47,187 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:52:47,188 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 01:52:47,188 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 01:52:47,188 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 01:52:47,188 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 01:52:47,188 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 01:52:47,188 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 01:52:47,188 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 01:52:47,188 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 01:52:47,189 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 01:52:47,189 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 01:52:47,189 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 01:52:47,189 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:52:47,189 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:52:47,189 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:52:47,189 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:52:47,189 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:52:47,190 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 01:52:47,190 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:52:47,190 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 01:52:47,190 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:52:47,190 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 01:52:47,190 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 01:52:47,190 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:52:47,190 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 01:52:47,190 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:52:47,190 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 01:52:47,190 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:52:47,191 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:52:47,191 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:52:47,191 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 01:52:47,191 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 01:52:47,191 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:52:47,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 01:52:47,191 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 01:52:47,191 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_44a01ff9-b143-4d1a-85af-207ddb7b74d7/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 -> df71f9423988e08c5bf2798ccf3c66e61eefb63f [2018-12-03 01:52:47,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:52:47,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:52:47,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:52:47,217 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:52:47,217 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:52:47,218 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_44a01ff9-b143-4d1a-85af-207ddb7b74d7/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product26_true-unreach-call_false-termination.cil.c [2018-12-03 01:52:47,251 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44a01ff9-b143-4d1a-85af-207ddb7b74d7/bin-2019/utaipan/data/6a331401c/1c30abf3f45241b1a8f5c3619861bf77/FLAG68e34f3a5 [2018-12-03 01:52:47,688 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:52:47,688 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_44a01ff9-b143-4d1a-85af-207ddb7b74d7/sv-benchmarks/c/product-lines/minepump_spec5_product26_true-unreach-call_false-termination.cil.c [2018-12-03 01:52:47,694 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44a01ff9-b143-4d1a-85af-207ddb7b74d7/bin-2019/utaipan/data/6a331401c/1c30abf3f45241b1a8f5c3619861bf77/FLAG68e34f3a5 [2018-12-03 01:52:47,702 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_44a01ff9-b143-4d1a-85af-207ddb7b74d7/bin-2019/utaipan/data/6a331401c/1c30abf3f45241b1a8f5c3619861bf77 [2018-12-03 01:52:47,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:52:47,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:52:47,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:52:47,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:52:47,710 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:52:47,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:52:47" (1/1) ... [2018-12-03 01:52:47,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:47, skipping insertion in model container [2018-12-03 01:52:47,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:52:47" (1/1) ... [2018-12-03 01:52:47,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:52:47,745 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:52:47,916 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:52:47,961 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:52:48,009 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:52:48,024 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:52:48,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:48 WrapperNode [2018-12-03 01:52:48,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:52:48,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:52:48,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:52:48,025 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:52:48,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:48" (1/1) ... [2018-12-03 01:52:48,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:48" (1/1) ... [2018-12-03 01:52:48,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:52:48,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:52:48,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:52:48,045 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:52:48,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:48" (1/1) ... [2018-12-03 01:52:48,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:48" (1/1) ... [2018-12-03 01:52:48,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:48" (1/1) ... [2018-12-03 01:52:48,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:48" (1/1) ... [2018-12-03 01:52:48,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:48" (1/1) ... [2018-12-03 01:52:48,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:48" (1/1) ... [2018-12-03 01:52:48,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:48" (1/1) ... [2018-12-03 01:52:48,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:52:48,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:52:48,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:52:48,067 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:52:48,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_44a01ff9-b143-4d1a-85af-207ddb7b74d7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:52:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 01:52:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 01:52:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 01:52:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 01:52:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 01:52:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 01:52:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 01:52:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 01:52:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 01:52:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 01:52:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 01:52:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 01:52:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 01:52:48,103 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 01:52:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 01:52:48,103 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 01:52:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 01:52:48,103 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-03 01:52:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-03 01:52:48,103 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 01:52:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 01:52:48,103 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 01:52:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 01:52:48,103 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 01:52:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 01:52:48,103 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-03 01:52:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-03 01:52:48,103 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 01:52:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 01:52:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 01:52:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 01:52:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 01:52:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 01:52:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-03 01:52:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-03 01:52:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-03 01:52:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-03 01:52:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-03 01:52:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-03 01:52:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 01:52:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 01:52:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 01:52:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 01:52:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 01:52:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 01:52:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 01:52:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 01:52:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 01:52:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 01:52:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 01:52:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 01:52:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 01:52:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:52:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:52:48,373 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:52:48,373 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 01:52:48,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:52:48 BoogieIcfgContainer [2018-12-03 01:52:48,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:52:48,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 01:52:48,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 01:52:48,375 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 01:52:48,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 01:52:47" (1/3) ... [2018-12-03 01:52:48,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0e8c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:52:48, skipping insertion in model container [2018-12-03 01:52:48,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:52:48" (2/3) ... [2018-12-03 01:52:48,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0e8c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:52:48, skipping insertion in model container [2018-12-03 01:52:48,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:52:48" (3/3) ... [2018-12-03 01:52:48,377 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product26_true-unreach-call_false-termination.cil.c [2018-12-03 01:52:48,383 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 01:52:48,387 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 01:52:48,396 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 01:52:48,413 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 01:52:48,413 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 01:52:48,413 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 01:52:48,413 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 01:52:48,413 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 01:52:48,414 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 01:52:48,414 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 01:52:48,414 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 01:52:48,425 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2018-12-03 01:52:48,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-03 01:52:48,429 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:52:48,430 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] [2018-12-03 01:52:48,431 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:52:48,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:52:48,434 INFO L82 PathProgramCache]: Analyzing trace with hash -928877606, now seen corresponding path program 1 times [2018-12-03 01:52:48,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:52:48,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:52:48,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:52:48,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:52:48,465 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:52:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:52:48,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:52:48,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:52:48,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 01:52:48,585 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:52:48,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 01:52:48,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 01:52:48,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 01:52:48,598 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2018-12-03 01:52:48,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:52:48,618 INFO L93 Difference]: Finished difference Result 232 states and 287 transitions. [2018-12-03 01:52:48,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 01:52:48,619 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-03 01:52:48,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:52:48,626 INFO L225 Difference]: With dead ends: 232 [2018-12-03 01:52:48,626 INFO L226 Difference]: Without dead ends: 118 [2018-12-03 01:52:48,628 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 01:52:48,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-03 01:52:48,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-12-03 01:52:48,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-12-03 01:52:48,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 137 transitions. [2018-12-03 01:52:48,656 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 137 transitions. Word has length 59 [2018-12-03 01:52:48,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:52:48,657 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 137 transitions. [2018-12-03 01:52:48,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 01:52:48,657 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 137 transitions. [2018-12-03 01:52:48,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-03 01:52:48,659 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:52:48,659 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] [2018-12-03 01:52:48,659 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:52:48,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:52:48,659 INFO L82 PathProgramCache]: Analyzing trace with hash 825984225, now seen corresponding path program 1 times [2018-12-03 01:52:48,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:52:48,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:52:48,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:52:48,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:52:48,660 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:52:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:52:48,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:52:48,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:52:48,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 01:52:48,713 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:52:48,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 01:52:48,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 01:52:48,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:52:48,715 INFO L87 Difference]: Start difference. First operand 118 states and 137 transitions. Second operand 3 states. [2018-12-03 01:52:48,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:52:48,726 INFO L93 Difference]: Finished difference Result 177 states and 205 transitions. [2018-12-03 01:52:48,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 01:52:48,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-03 01:52:48,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:52:48,728 INFO L225 Difference]: With dead ends: 177 [2018-12-03 01:52:48,728 INFO L226 Difference]: Without dead ends: 109 [2018-12-03 01:52:48,729 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:52:48,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-12-03 01:52:48,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-12-03 01:52:48,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-03 01:52:48,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2018-12-03 01:52:48,735 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 60 [2018-12-03 01:52:48,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:52:48,736 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2018-12-03 01:52:48,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 01:52:48,736 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2018-12-03 01:52:48,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-03 01:52:48,737 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:52:48,737 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] [2018-12-03 01:52:48,737 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:52:48,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:52:48,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1383845268, now seen corresponding path program 1 times [2018-12-03 01:52:48,737 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:52:48,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:52:48,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:52:48,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:52:48,738 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:52:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:52:48,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:52:48,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:52:48,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 01:52:48,816 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:52:48,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 01:52:48,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 01:52:48,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 01:52:48,817 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand 7 states. [2018-12-03 01:52:48,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:52:48,963 INFO L93 Difference]: Finished difference Result 190 states and 223 transitions. [2018-12-03 01:52:48,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 01:52:48,963 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-12-03 01:52:48,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:52:48,965 INFO L225 Difference]: With dead ends: 190 [2018-12-03 01:52:48,965 INFO L226 Difference]: Without dead ends: 109 [2018-12-03 01:52:48,965 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 01:52:48,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-12-03 01:52:48,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-12-03 01:52:48,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-03 01:52:48,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 124 transitions. [2018-12-03 01:52:48,975 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 124 transitions. Word has length 65 [2018-12-03 01:52:48,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:52:48,976 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 124 transitions. [2018-12-03 01:52:48,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 01:52:48,977 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 124 transitions. [2018-12-03 01:52:48,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-03 01:52:48,978 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:52:48,978 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, 1, 1, 1] [2018-12-03 01:52:48,978 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:52:48,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:52:48,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1490798263, now seen corresponding path program 1 times [2018-12-03 01:52:48,979 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:52:48,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:52:48,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:52:48,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:52:48,980 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:52:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:52:49,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 01:52:49,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:52:49,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 01:52:49,060 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:52:49,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 01:52:49,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 01:52:49,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 01:52:49,061 INFO L87 Difference]: Start difference. First operand 109 states and 124 transitions. Second operand 7 states. [2018-12-03 01:52:49,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:52:49,238 INFO L93 Difference]: Finished difference Result 166 states and 195 transitions. [2018-12-03 01:52:49,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 01:52:49,238 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2018-12-03 01:52:49,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:52:49,239 INFO L225 Difference]: With dead ends: 166 [2018-12-03 01:52:49,239 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 01:52:49,239 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 [2018-12-03 01:52:49,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 01:52:49,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 01:52:49,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 01:52:49,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 01:52:49,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2018-12-03 01:52:49,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:52:49,240 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 01:52:49,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 01:52:49,240 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 01:52:49,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 01:52:49,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 01:52:49,560 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 789 795) the Hoare annotation is: true [2018-12-03 01:52:49,560 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 789 795) no Hoare annotation was computed. [2018-12-03 01:52:49,560 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 796 804) no Hoare annotation was computed. [2018-12-03 01:52:49,560 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 796 804) the Hoare annotation is: true [2018-12-03 01:52:49,560 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 796 804) no Hoare annotation was computed. [2018-12-03 01:52:49,560 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 905 912) the Hoare annotation is: true [2018-12-03 01:52:49,560 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 905 912) no Hoare annotation was computed. [2018-12-03 01:52:49,560 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 905 912) no Hoare annotation was computed. [2018-12-03 01:52:49,560 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 913 922) the Hoare annotation is: true [2018-12-03 01:52:49,561 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 913 922) no Hoare annotation was computed. [2018-12-03 01:52:49,561 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 913 922) no Hoare annotation was computed. [2018-12-03 01:52:49,561 INFO L448 ceAbstractionStarter]: For program point L918(line 918) no Hoare annotation was computed. [2018-12-03 01:52:49,561 INFO L451 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: true [2018-12-03 01:52:49,561 INFO L448 ceAbstractionStarter]: For program point L929-1(line 929) no Hoare annotation was computed. [2018-12-03 01:52:49,561 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 923 951) the Hoare annotation is: true [2018-12-03 01:52:49,561 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 923 951) no Hoare annotation was computed. [2018-12-03 01:52:49,561 INFO L444 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-03 01:52:49,562 INFO L448 ceAbstractionStarter]: For program point L936(lines 936 942) no Hoare annotation was computed. [2018-12-03 01:52:49,562 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 945) no Hoare annotation was computed. [2018-12-03 01:52:49,562 INFO L451 ceAbstractionStarter]: At program point L933(line 933) the Hoare annotation is: true [2018-12-03 01:52:49,562 INFO L448 ceAbstractionStarter]: For program point L933-1(line 933) no Hoare annotation was computed. [2018-12-03 01:52:49,562 INFO L448 ceAbstractionStarter]: For program point L931(lines 931 948) no Hoare annotation was computed. [2018-12-03 01:52:49,562 INFO L448 ceAbstractionStarter]: For program point L931-1(lines 923 951) no Hoare annotation was computed. [2018-12-03 01:52:49,562 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 880 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 01:52:49,562 INFO L444 ceAbstractionStarter]: At program point L892(line 892) 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))) [2018-12-03 01:52:49,563 INFO L444 ceAbstractionStarter]: At program point L892-1(line 892) 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))) [2018-12-03 01:52:49,563 INFO L448 ceAbstractionStarter]: For program point L890(lines 890 897) no Hoare annotation was computed. [2018-12-03 01:52:49,563 INFO L448 ceAbstractionStarter]: For program point L890-1(lines 890 897) no Hoare annotation was computed. [2018-12-03 01:52:49,563 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 880 902) no Hoare annotation was computed. [2018-12-03 01:52:49,563 INFO L448 ceAbstractionStarter]: For program point L888(line 888) no Hoare annotation was computed. [2018-12-03 01:52:49,563 INFO L444 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 01:52:49,563 INFO L444 ceAbstractionStarter]: At program point L886(line 886) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 01:52:49,564 INFO L444 ceAbstractionStarter]: At program point L886-1(line 886) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 01:52:49,564 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 880 902) no Hoare annotation was computed. [2018-12-03 01:52:49,564 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 627 635) no Hoare annotation was computed. [2018-12-03 01:52:49,564 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 627 635) the Hoare annotation is: true [2018-12-03 01:52:49,564 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 627 635) no Hoare annotation was computed. [2018-12-03 01:52:49,564 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 672 690) the Hoare annotation is: true [2018-12-03 01:52:49,564 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 685) no Hoare annotation was computed. [2018-12-03 01:52:49,565 INFO L451 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: true [2018-12-03 01:52:49,565 INFO L448 ceAbstractionStarter]: For program point L681-2(lines 681 685) no Hoare annotation was computed. [2018-12-03 01:52:49,565 INFO L448 ceAbstractionStarter]: For program point L679-1(line 679) no Hoare annotation was computed. [2018-12-03 01:52:49,565 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 672 690) no Hoare annotation was computed. [2018-12-03 01:52:49,565 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 672 690) no Hoare annotation was computed. [2018-12-03 01:52:49,565 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 782 788) no Hoare annotation was computed. [2018-12-03 01:52:49,565 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 782 788) the Hoare annotation is: true [2018-12-03 01:52:49,565 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 869 879) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 01:52:49,566 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 869 879) no Hoare annotation was computed. [2018-12-03 01:52:49,566 INFO L444 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 01:52:49,566 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 869 879) no Hoare annotation was computed. [2018-12-03 01:52:49,566 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 608 615) the Hoare annotation is: true [2018-12-03 01:52:49,566 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 608 615) no Hoare annotation was computed. [2018-12-03 01:52:49,566 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 608 615) no Hoare annotation was computed. [2018-12-03 01:52:49,566 INFO L444 ceAbstractionStarter]: At program point L576(line 576) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-03 01:52:49,566 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 557 581) no Hoare annotation was computed. [2018-12-03 01:52:49,566 INFO L444 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-03 01:52:49,566 INFO L444 ceAbstractionStarter]: At program point L567(line 567) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-03 01:52:49,567 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 557 581) no Hoare annotation was computed. [2018-12-03 01:52:49,567 INFO L448 ceAbstractionStarter]: For program point L565(lines 565 573) no Hoare annotation was computed. [2018-12-03 01:52:49,567 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 557 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-03 01:52:49,567 INFO L444 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-03 01:52:49,567 INFO L448 ceAbstractionStarter]: For program point L563-1(line 563) no Hoare annotation was computed. [2018-12-03 01:52:49,567 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 578) no Hoare annotation was computed. [2018-12-03 01:52:49,567 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 549 555) no Hoare annotation was computed. [2018-12-03 01:52:49,567 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 549 555) the Hoare annotation is: true [2018-12-03 01:52:49,568 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 701 766) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 01:52:49,568 INFO L444 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 01:52:49,568 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 737) no Hoare annotation was computed. [2018-12-03 01:52:49,568 INFO L448 ceAbstractionStarter]: For program point L731-1(lines 731 737) no Hoare annotation was computed. [2018-12-03 01:52:49,568 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 701 766) no Hoare annotation was computed. [2018-12-03 01:52:49,568 INFO L444 ceAbstractionStarter]: At program point L756(lines 711 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 01:52:49,568 INFO L444 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 01:52:49,568 INFO L448 ceAbstractionStarter]: For program point L721(lines 721 727) no Hoare annotation was computed. [2018-12-03 01:52:49,568 INFO L448 ceAbstractionStarter]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2018-12-03 01:52:49,569 INFO L448 ceAbstractionStarter]: For program point L713(lines 713 717) no Hoare annotation was computed. [2018-12-03 01:52:49,569 INFO L444 ceAbstractionStarter]: At program point L759(lines 710 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 01:52:49,569 INFO L448 ceAbstractionStarter]: For program point L749(lines 749 753) no Hoare annotation was computed. [2018-12-03 01:52:49,569 INFO L444 ceAbstractionStarter]: At program point L749-2(lines 741 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 01:52:49,569 INFO L448 ceAbstractionStarter]: For program point L712(lines 711 758) no Hoare annotation was computed. [2018-12-03 01:52:49,569 INFO L444 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-03 01:52:49,569 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 754) no Hoare annotation was computed. [2018-12-03 01:52:49,569 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 701 766) no Hoare annotation was computed. [2018-12-03 01:52:49,570 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-12-03 01:52:49,570 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-12-03 01:52:49,570 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-12-03 01:52:49,570 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 01:52:49,570 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-12-03 01:52:49,570 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 01:52:49,570 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-12-03 01:52:49,570 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-12-03 01:52:49,570 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-12-03 01:52:49,571 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-03 01:52:49,571 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-12-03 01:52:49,571 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-03 01:52:49,571 INFO L451 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2018-12-03 01:52:49,571 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2018-12-03 01:52:49,571 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2018-12-03 01:52:49,571 INFO L448 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-12-03 01:52:49,571 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-12-03 01:52:49,571 INFO L451 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2018-12-03 01:52:49,572 INFO L448 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-12-03 01:52:49,572 INFO L451 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2018-12-03 01:52:49,572 INFO L451 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2018-12-03 01:52:49,572 INFO L448 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-12-03 01:52:49,572 INFO L444 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-03 01:52:49,572 INFO L444 ceAbstractionStarter]: At program point L536(lines 536 542) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-03 01:52:49,572 INFO L444 ceAbstractionStarter]: At program point L531(line 531) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-03 01:52:49,572 INFO L448 ceAbstractionStarter]: For program point L529(lines 525 547) no Hoare annotation was computed. [2018-12-03 01:52:49,573 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 522 548) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-03 01:52:49,573 INFO L448 ceAbstractionStarter]: For program point L527(lines 525 547) no Hoare annotation was computed. [2018-12-03 01:52:49,573 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 522 548) no Hoare annotation was computed. [2018-12-03 01:52:49,573 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 522 548) no Hoare annotation was computed. [2018-12-03 01:52:49,573 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-12-03 01:52:49,573 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-03 01:52:49,574 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-03 01:52:49,574 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2018-12-03 01:52:49,574 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2018-12-03 01:52:49,574 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 01:52:49,574 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-03 01:52:49,574 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 01:52:49,574 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 01:52:49,574 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 691 698) no Hoare annotation was computed. [2018-12-03 01:52:49,574 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 691 698) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-12-03 01:52:49,574 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 691 698) no Hoare annotation was computed. [2018-12-03 01:52:49,575 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-03 01:52:49,575 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-03 01:52:49,575 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2018-12-03 01:52:49,575 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 502 509) no Hoare annotation was computed. [2018-12-03 01:52:49,575 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2018-12-03 01:52:49,575 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 502 509) the Hoare annotation is: true [2018-12-03 01:52:49,575 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 502 509) no Hoare annotation was computed. [2018-12-03 01:52:49,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:52:49 BoogieIcfgContainer [2018-12-03 01:52:49,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 01:52:49,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:52:49,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:52:49,584 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:52:49,584 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:52:48" (3/4) ... [2018-12-03 01:52:49,587 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 01:52:49,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 01:52:49,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 01:52:49,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-03 01:52:49,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-03 01:52:49,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-03 01:52:49,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 01:52:49,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 01:52:49,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-03 01:52:49,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 01:52:49,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 01:52:49,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 01:52:49,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 01:52:49,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 01:52:49,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 01:52:49,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-03 01:52:49,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 01:52:49,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-03 01:52:49,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 01:52:49,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 01:52:49,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 01:52:49,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 01:52:49,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 01:52:49,593 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-03 01:52:49,593 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 01:52:49,593 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 01:52:49,598 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-03 01:52:49,599 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-03 01:52:49,599 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 01:52:49,599 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 01:52:49,599 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 01:52:49,600 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 01:52:49,622 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) [2018-12-03 01:52:49,622 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-12-03 01:52:49,651 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_44a01ff9-b143-4d1a-85af-207ddb7b74d7/bin-2019/utaipan/witness.graphml [2018-12-03 01:52:49,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:52:49,652 INFO L168 Benchmark]: Toolchain (without parser) took 1946.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 948.1 MB in the beginning and 803.0 MB in the end (delta: 145.0 MB). Peak memory consumption was 279.8 MB. Max. memory is 11.5 GB. [2018-12-03 01:52:49,653 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:52:49,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:52:49,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:52:49,653 INFO L168 Benchmark]: Boogie Preprocessor took 21.64 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:52:49,654 INFO L168 Benchmark]: RCFGBuilder took 306.01 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: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:52:49,654 INFO L168 Benchmark]: TraceAbstraction took 1210.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 810.0 MB in the end (delta: 255.0 MB). Peak memory consumption was 255.0 MB. Max. memory is 11.5 GB. [2018-12-03 01:52:49,654 INFO L168 Benchmark]: Witness Printer took 67.66 ms. Allocated memory is still 1.2 GB. Free memory was 810.0 MB in the beginning and 803.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-03 01:52:49,655 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.09 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 21.64 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 306.01 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: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1210.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 810.0 MB in the end (delta: 255.0 MB). Peak memory consumption was 255.0 MB. Max. memory is 11.5 GB. * Witness Printer took 67.66 ms. Allocated memory is still 1.2 GB. Free memory was 810.0 MB in the beginning and 803.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 131 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 464 SDtfs, 209 SDslu, 483 SDs, 0 SdLazy, 296 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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=131occurred in iteration=0, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 175 PreInvPairs, 183 NumberOfFragments, 407 HoareAnnotationTreeSize, 175 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 54 FomulaSimplificationsInter, 336 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 27417 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...