./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product30_false-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_92d2eafb-57ef-49f8-9812-9c0d111f4630/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_92d2eafb-57ef-49f8-9812-9c0d111f4630/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_92d2eafb-57ef-49f8-9812-9c0d111f4630/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_92d2eafb-57ef-49f8-9812-9c0d111f4630/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product30_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_92d2eafb-57ef-49f8-9812-9c0d111f4630/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_92d2eafb-57ef-49f8-9812-9c0d111f4630/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 cd03795a63c29b127effb5dc5ece6588a3bdb5e0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 04:43:16,941 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 04:43:16,942 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 04:43:16,950 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 04:43:16,950 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 04:43:16,951 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 04:43:16,952 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 04:43:16,953 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 04:43:16,954 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 04:43:16,955 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 04:43:16,955 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 04:43:16,956 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 04:43:16,956 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 04:43:16,957 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 04:43:16,958 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 04:43:16,958 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 04:43:16,959 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 04:43:16,960 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 04:43:16,961 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 04:43:16,962 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 04:43:16,963 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 04:43:16,963 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 04:43:16,964 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 04:43:16,964 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 04:43:16,964 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 04:43:16,965 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 04:43:16,965 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 04:43:16,965 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 04:43:16,966 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 04:43:16,967 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 04:43:16,967 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 04:43:16,967 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 04:43:16,968 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 04:43:16,968 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 04:43:16,968 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 04:43:16,969 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 04:43:16,969 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_92d2eafb-57ef-49f8-9812-9c0d111f4630/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 04:43:16,977 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 04:43:16,977 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 04:43:16,977 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 04:43:16,977 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 04:43:16,977 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 04:43:16,978 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 04:43:16,978 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 04:43:16,978 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 04:43:16,978 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 04:43:16,978 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 04:43:16,978 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 04:43:16,978 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 04:43:16,979 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 04:43:16,979 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 04:43:16,979 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 04:43:16,980 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 04:43:16,980 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 04:43:16,980 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 04:43:16,980 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 04:43:16,980 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 04:43:16,980 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 04:43:16,980 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 04:43:16,981 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 04:43:16,981 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 04:43:16,981 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 04:43:16,981 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 04:43:16,981 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 04:43:16,981 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 04:43:16,982 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 04:43:16,982 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 04:43:16,982 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 04:43:16,982 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 04:43:16,982 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 04:43:16,982 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 04:43:16,982 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 04:43:16,982 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 04:43:16,983 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_92d2eafb-57ef-49f8-9812-9c0d111f4630/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 -> cd03795a63c29b127effb5dc5ece6588a3bdb5e0 [2018-12-03 04:43:17,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 04:43:17,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 04:43:17,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 04:43:17,020 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 04:43:17,020 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 04:43:17,020 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_92d2eafb-57ef-49f8-9812-9c0d111f4630/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product30_false-unreach-call_false-termination.cil.c [2018-12-03 04:43:17,056 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92d2eafb-57ef-49f8-9812-9c0d111f4630/bin-2019/utaipan/data/b7c122af2/2b48e234e6d74c91970633099b9d164c/FLAGd1d07aaa6 [2018-12-03 04:43:17,413 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 04:43:17,414 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_92d2eafb-57ef-49f8-9812-9c0d111f4630/sv-benchmarks/c/product-lines/minepump_spec3_product30_false-unreach-call_false-termination.cil.c [2018-12-03 04:43:17,419 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92d2eafb-57ef-49f8-9812-9c0d111f4630/bin-2019/utaipan/data/b7c122af2/2b48e234e6d74c91970633099b9d164c/FLAGd1d07aaa6 [2018-12-03 04:43:17,796 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_92d2eafb-57ef-49f8-9812-9c0d111f4630/bin-2019/utaipan/data/b7c122af2/2b48e234e6d74c91970633099b9d164c [2018-12-03 04:43:17,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 04:43:17,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 04:43:17,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 04:43:17,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 04:43:17,808 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 04:43:17,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:43:17" (1/1) ... [2018-12-03 04:43:17,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67523692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:17, skipping insertion in model container [2018-12-03 04:43:17,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:43:17" (1/1) ... [2018-12-03 04:43:17,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 04:43:17,843 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 04:43:17,989 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:43:17,996 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 04:43:18,073 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:43:18,091 INFO L195 MainTranslator]: Completed translation [2018-12-03 04:43:18,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:18 WrapperNode [2018-12-03 04:43:18,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 04:43:18,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 04:43:18,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 04:43:18,092 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 04:43:18,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:18" (1/1) ... [2018-12-03 04:43:18,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:18" (1/1) ... [2018-12-03 04:43:18,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 04:43:18,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 04:43:18,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 04:43:18,112 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 04:43:18,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:18" (1/1) ... [2018-12-03 04:43:18,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:18" (1/1) ... [2018-12-03 04:43:18,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:18" (1/1) ... [2018-12-03 04:43:18,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:18" (1/1) ... [2018-12-03 04:43:18,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:18" (1/1) ... [2018-12-03 04:43:18,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:18" (1/1) ... [2018-12-03 04:43:18,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:18" (1/1) ... [2018-12-03 04:43:18,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 04:43:18,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 04:43:18,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 04:43:18,133 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 04:43:18,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92d2eafb-57ef-49f8-9812-9c0d111f4630/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 04:43:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 04:43:18,164 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 04:43:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 04:43:18,164 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 04:43:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 04:43:18,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 04:43:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 04:43:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 04:43:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 04:43:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 04:43:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 04:43:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 04:43:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 04:43:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 04:43:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 04:43:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 04:43:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 04:43:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-03 04:43:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-03 04:43:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 04:43:18,166 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 04:43:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 04:43:18,166 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 04:43:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 04:43:18,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 04:43:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 04:43:18,166 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 04:43:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-03 04:43:18,166 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-03 04:43:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 04:43:18,166 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 04:43:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 04:43:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 04:43:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 04:43:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 04:43:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 04:43:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 04:43:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 04:43:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 04:43:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 04:43:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 04:43:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 04:43:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 04:43:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 04:43:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 04:43:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 04:43:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 04:43:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 04:43:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 04:43:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 04:43:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-03 04:43:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-03 04:43:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 04:43:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 04:43:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 04:43:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 04:43:18,460 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 04:43:18,461 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 04:43:18,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:18 BoogieIcfgContainer [2018-12-03 04:43:18,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 04:43:18,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 04:43:18,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 04:43:18,464 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 04:43:18,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 04:43:17" (1/3) ... [2018-12-03 04:43:18,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac55bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:43:18, skipping insertion in model container [2018-12-03 04:43:18,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:18" (2/3) ... [2018-12-03 04:43:18,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac55bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:43:18, skipping insertion in model container [2018-12-03 04:43:18,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:18" (3/3) ... [2018-12-03 04:43:18,467 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product30_false-unreach-call_false-termination.cil.c [2018-12-03 04:43:18,473 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 04:43:18,479 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 04:43:18,488 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 04:43:18,510 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 04:43:18,510 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 04:43:18,510 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 04:43:18,510 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 04:43:18,510 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 04:43:18,511 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 04:43:18,511 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 04:43:18,511 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 04:43:18,525 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2018-12-03 04:43:18,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 04:43:18,532 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:43:18,532 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:43:18,534 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:43:18,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:43:18,538 INFO L82 PathProgramCache]: Analyzing trace with hash 347522747, now seen corresponding path program 1 times [2018-12-03 04:43:18,539 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:43:18,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:43:18,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:43:18,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:43:18,569 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:43:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:43:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:43:18,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:43:18,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 04:43:18,725 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:43:18,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 04:43:18,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 04:43:18,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 04:43:18,738 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2018-12-03 04:43:18,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:43:18,760 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2018-12-03 04:43:18,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 04:43:18,761 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-03 04:43:18,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:43:18,768 INFO L225 Difference]: With dead ends: 258 [2018-12-03 04:43:18,768 INFO L226 Difference]: Without dead ends: 129 [2018-12-03 04:43:18,771 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 04:43:18,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-12-03 04:43:18,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-12-03 04:43:18,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-12-03 04:43:18,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 152 transitions. [2018-12-03 04:43:18,804 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 152 transitions. Word has length 52 [2018-12-03 04:43:18,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:43:18,805 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 152 transitions. [2018-12-03 04:43:18,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 04:43:18,805 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2018-12-03 04:43:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-03 04:43:18,807 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:43:18,807 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:43:18,807 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:43:18,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:43:18,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1299373475, now seen corresponding path program 1 times [2018-12-03 04:43:18,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:43:18,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:43:18,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:43:18,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:43:18,808 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:43:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:43:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:43:18,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:43:18,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:43:18,868 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:43:18,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:43:18,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:43:18,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:43:18,869 INFO L87 Difference]: Start difference. First operand 129 states and 152 transitions. Second operand 3 states. [2018-12-03 04:43:18,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:43:18,882 INFO L93 Difference]: Finished difference Result 203 states and 239 transitions. [2018-12-03 04:43:18,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:43:18,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-03 04:43:18,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:43:18,883 INFO L225 Difference]: With dead ends: 203 [2018-12-03 04:43:18,883 INFO L226 Difference]: Without dead ends: 120 [2018-12-03 04:43:18,884 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 04:43:18,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-12-03 04:43:18,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-12-03 04:43:18,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-12-03 04:43:18,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-12-03 04:43:18,891 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2018-12-03 04:43:18,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:43:18,891 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-12-03 04:43:18,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:43:18,891 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-12-03 04:43:18,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-03 04:43:18,892 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:43:18,892 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:43:18,892 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:43:18,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:43:18,893 INFO L82 PathProgramCache]: Analyzing trace with hash 2045575695, now seen corresponding path program 1 times [2018-12-03 04:43:18,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:43:18,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:43:18,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:43:18,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:43:18,893 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:43:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:43:18,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:43:18,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:43:18,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 04:43:18,957 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:43:18,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 04:43:18,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 04:43:18,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 04:43:18,957 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2018-12-03 04:43:19,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:43:19,104 INFO L93 Difference]: Finished difference Result 216 states and 257 transitions. [2018-12-03 04:43:19,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 04:43:19,104 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-03 04:43:19,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:43:19,105 INFO L225 Difference]: With dead ends: 216 [2018-12-03 04:43:19,105 INFO L226 Difference]: Without dead ends: 120 [2018-12-03 04:43:19,106 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 04:43:19,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-12-03 04:43:19,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-12-03 04:43:19,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-12-03 04:43:19,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2018-12-03 04:43:19,113 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 58 [2018-12-03 04:43:19,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:43:19,113 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2018-12-03 04:43:19,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 04:43:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2018-12-03 04:43:19,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-03 04:43:19,114 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:43:19,114 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:43:19,114 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:43:19,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:43:19,115 INFO L82 PathProgramCache]: Analyzing trace with hash -2141348570, now seen corresponding path program 1 times [2018-12-03 04:43:19,115 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:43:19,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:43:19,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:43:19,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:43:19,116 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:43:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:43:19,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:43:19,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:43:19,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 04:43:19,177 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:43:19,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 04:43:19,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 04:43:19,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:43:19,178 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 6 states. [2018-12-03 04:43:19,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:43:19,297 INFO L93 Difference]: Finished difference Result 301 states and 365 transitions. [2018-12-03 04:43:19,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 04:43:19,298 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-12-03 04:43:19,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:43:19,300 INFO L225 Difference]: With dead ends: 301 [2018-12-03 04:43:19,301 INFO L226 Difference]: Without dead ends: 205 [2018-12-03 04:43:19,302 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 04:43:19,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-12-03 04:43:19,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 203. [2018-12-03 04:43:19,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-12-03 04:43:19,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 241 transitions. [2018-12-03 04:43:19,323 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 241 transitions. Word has length 71 [2018-12-03 04:43:19,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:43:19,323 INFO L480 AbstractCegarLoop]: Abstraction has 203 states and 241 transitions. [2018-12-03 04:43:19,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 04:43:19,323 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 241 transitions. [2018-12-03 04:43:19,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-03 04:43:19,326 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:43:19,326 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:43:19,326 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:43:19,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:43:19,326 INFO L82 PathProgramCache]: Analyzing trace with hash -760271680, now seen corresponding path program 1 times [2018-12-03 04:43:19,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:43:19,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:43:19,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:43:19,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:43:19,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:43:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:43:19,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:43:19,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:43:19,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:43:19,390 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:43:19,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:43:19,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:43:19,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:43:19,391 INFO L87 Difference]: Start difference. First operand 203 states and 241 transitions. Second operand 3 states. [2018-12-03 04:43:19,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:43:19,408 INFO L93 Difference]: Finished difference Result 320 states and 386 transitions. [2018-12-03 04:43:19,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:43:19,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2018-12-03 04:43:19,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:43:19,410 INFO L225 Difference]: With dead ends: 320 [2018-12-03 04:43:19,410 INFO L226 Difference]: Without dead ends: 141 [2018-12-03 04:43:19,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:43:19,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-03 04:43:19,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-03 04:43:19,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-03 04:43:19,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 156 transitions. [2018-12-03 04:43:19,422 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 156 transitions. Word has length 75 [2018-12-03 04:43:19,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:43:19,422 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 156 transitions. [2018-12-03 04:43:19,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:43:19,422 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 156 transitions. [2018-12-03 04:43:19,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-03 04:43:19,424 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:43:19,424 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:43:19,424 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:43:19,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:43:19,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1278467284, now seen corresponding path program 1 times [2018-12-03 04:43:19,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:43:19,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:43:19,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:43:19,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:43:19,425 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:43:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 04:43:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 04:43:19,497 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 04:43:19,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 04:43:19 BoogieIcfgContainer [2018-12-03 04:43:19,558 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 04:43:19,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 04:43:19,558 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 04:43:19,558 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 04:43:19,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:18" (3/4) ... [2018-12-03 04:43:19,560 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-03 04:43:19,627 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_92d2eafb-57ef-49f8-9812-9c0d111f4630/bin-2019/utaipan/witness.graphml [2018-12-03 04:43:19,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 04:43:19,628 INFO L168 Benchmark]: Toolchain (without parser) took 1826.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 64.0 MB). Free memory was 952.4 MB in the beginning and 752.3 MB in the end (delta: 200.1 MB). Peak memory consumption was 264.1 MB. Max. memory is 11.5 GB. [2018-12-03 04:43:19,629 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:43:19,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 64.0 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -96.4 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-12-03 04:43:19,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:43:19,629 INFO L168 Benchmark]: Boogie Preprocessor took 21.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-03 04:43:19,629 INFO L168 Benchmark]: RCFGBuilder took 328.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2018-12-03 04:43:19,630 INFO L168 Benchmark]: TraceAbstraction took 1095.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 777.8 MB in the end (delta: 222.4 MB). Peak memory consumption was 222.4 MB. Max. memory is 11.5 GB. [2018-12-03 04:43:19,630 INFO L168 Benchmark]: Witness Printer took 69.42 ms. Allocated memory is still 1.1 GB. Free memory was 777.8 MB in the beginning and 752.3 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2018-12-03 04:43:19,631 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 64.0 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -96.4 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 328.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1095.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 777.8 MB in the end (delta: 222.4 MB). Peak memory consumption was 222.4 MB. Max. memory is 11.5 GB. * Witness Printer took 69.42 ms. Allocated memory is still 1.1 GB. Free memory was 777.8 MB in the beginning and 752.3 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 883]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L136] int cleanupTimeShifts = 4; [L407] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L675] int pumpRunning = 0; [L676] int systemActive = 1; [L215] int retValue_acc ; [L216] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L220] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L221] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L222] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L914] int retValue_acc ; [L917] retValue_acc = 1 [L918] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L222] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L222] tmp = valid_product() [L224] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L226] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L227] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L206] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L606] int splverifierCounter ; [L607] int tmp ; [L608] int tmp___0 ; [L609] int tmp___1 ; [L610] int tmp___2 ; [L613] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L615] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L617] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L623] tmp = __VERIFIER_nondet_int() [L625] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L627] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L627] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L633] tmp___0 = __VERIFIER_nondet_int() [L635] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L643] tmp___2 = __VERIFIER_nondet_int() [L645] COND FALSE !(\read(tmp___2)) [L651] tmp___1 = __VERIFIER_nondet_int() [L653] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L660] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L683] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L690] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L692] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L738] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L741] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L712] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L715] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L730] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L692] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L698] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L924] int tmp ; [L925] int tmp___0 ; [L926] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L930] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L930] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L930] tmp = isMethaneLevelCritical() [L932] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L936] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L936] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L936] tmp___0 = getWaterLevel() [L938] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L940] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L807] int retValue_acc ; [L810] retValue_acc = pumpRunning [L811] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L940] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L940] tmp___1 = isPumpRunning() [L942] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L946] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L883] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 142 locations, 1 error locations. UNSAFE Result, 1.0s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 684 SDtfs, 300 SDslu, 934 SDs, 0 SdLazy, 212 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=203occurred in iteration=4, 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 304 ConstructedInterpolants, 0 QuantifiedInterpolants, 31720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...