./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product13_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_e0127a6f-9ecd-4301-bf1c-c60c2f046733/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e0127a6f-9ecd-4301-bf1c-c60c2f046733/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e0127a6f-9ecd-4301-bf1c-c60c2f046733/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e0127a6f-9ecd-4301-bf1c-c60c2f046733/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e0127a6f-9ecd-4301-bf1c-c60c2f046733/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e0127a6f-9ecd-4301-bf1c-c60c2f046733/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 35ec611011aa6867bf0bb36080e273ba993b072e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-09 18:49:41,230 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:49:41,231 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:49:41,237 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:49:41,237 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:49:41,237 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:49:41,238 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:49:41,239 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:49:41,240 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:49:41,241 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:49:41,241 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:49:41,241 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:49:41,242 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:49:41,242 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:49:41,243 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:49:41,243 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:49:41,244 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:49:41,245 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:49:41,246 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:49:41,247 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:49:41,247 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:49:41,248 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:49:41,249 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:49:41,249 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:49:41,250 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:49:41,250 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:49:41,251 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:49:41,251 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:49:41,251 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:49:41,252 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:49:41,252 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:49:41,253 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:49:41,253 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:49:41,253 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:49:41,253 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:49:41,254 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:49:41,254 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e0127a6f-9ecd-4301-bf1c-c60c2f046733/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:49:41,261 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:49:41,262 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:49:41,262 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:49:41,262 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:49:41,262 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:49:41,262 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:49:41,263 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:49:41,263 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:49:41,263 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:49:41,263 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:49:41,263 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:49:41,263 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:49:41,263 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:49:41,264 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:49:41,264 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:49:41,264 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:49:41,264 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:49:41,264 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:49:41,264 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:49:41,264 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:49:41,264 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:49:41,264 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:49:41,264 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:49:41,265 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:49:41,265 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:49:41,265 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:49:41,265 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:49:41,265 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:49:41,265 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:49:41,265 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:49:41,265 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:49:41,265 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:49:41,265 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:49:41,265 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:49:41,266 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:49:41,266 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:49:41,266 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_e0127a6f-9ecd-4301-bf1c-c60c2f046733/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 -> 35ec611011aa6867bf0bb36080e273ba993b072e [2018-12-09 18:49:41,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:49:41,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:49:41,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:49:41,296 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:49:41,296 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:49:41,297 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e0127a6f-9ecd-4301-bf1c-c60c2f046733/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c [2018-12-09 18:49:41,336 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e0127a6f-9ecd-4301-bf1c-c60c2f046733/bin-2019/utaipan/data/420d3b298/d46574b839694ecb9cdd9095be592fc1/FLAGb2a637a9b [2018-12-09 18:49:41,786 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:49:41,786 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e0127a6f-9ecd-4301-bf1c-c60c2f046733/sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c [2018-12-09 18:49:41,792 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e0127a6f-9ecd-4301-bf1c-c60c2f046733/bin-2019/utaipan/data/420d3b298/d46574b839694ecb9cdd9095be592fc1/FLAGb2a637a9b [2018-12-09 18:49:41,800 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e0127a6f-9ecd-4301-bf1c-c60c2f046733/bin-2019/utaipan/data/420d3b298/d46574b839694ecb9cdd9095be592fc1 [2018-12-09 18:49:41,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:49:41,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:49:41,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:49:41,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:49:41,805 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:49:41,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:49:41" (1/1) ... [2018-12-09 18:49:41,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:49:41, skipping insertion in model container [2018-12-09 18:49:41,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:49:41" (1/1) ... [2018-12-09 18:49:41,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:49:41,832 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:49:41,993 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:49:42,036 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:49:42,077 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:49:42,092 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:49:42,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:49:42 WrapperNode [2018-12-09 18:49:42,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:49:42,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:49:42,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:49:42,093 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:49:42,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:49:42" (1/1) ... [2018-12-09 18:49:42,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:49:42" (1/1) ... [2018-12-09 18:49:42,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:49:42,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:49:42,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:49:42,113 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:49:42,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:49:42" (1/1) ... [2018-12-09 18:49:42,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:49:42" (1/1) ... [2018-12-09 18:49:42,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:49:42" (1/1) ... [2018-12-09 18:49:42,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:49:42" (1/1) ... [2018-12-09 18:49:42,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:49:42" (1/1) ... [2018-12-09 18:49:42,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:49:42" (1/1) ... [2018-12-09 18:49:42,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:49:42" (1/1) ... [2018-12-09 18:49:42,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:49:42,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:49:42,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:49:42,134 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:49:42,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:49:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0127a6f-9ecd-4301-bf1c-c60c2f046733/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 [2018-12-09 18:49:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 18:49:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 18:49:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:49:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:49:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:49:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 18:49:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 18:49:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 18:49:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 18:49:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 18:49:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 18:49:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 18:49:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 18:49:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 18:49:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 18:49:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 18:49:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 18:49:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 18:49:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 18:49:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 18:49:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 18:49:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 18:49:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 18:49:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 18:49:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 18:49:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 18:49:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 18:49:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 18:49:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 18:49:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 18:49:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 18:49:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 18:49:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 18:49:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 18:49:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 18:49:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 18:49:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 18:49:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 18:49:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:49:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:49:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 18:49:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 18:49:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 18:49:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 18:49:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 18:49:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 18:49:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:49:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:49:42,460 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:49:42,460 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 18:49:42,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:49:42 BoogieIcfgContainer [2018-12-09 18:49:42,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:49:42,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:49:42,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:49:42,463 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:49:42,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:49:41" (1/3) ... [2018-12-09 18:49:42,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e395af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:49:42, skipping insertion in model container [2018-12-09 18:49:42,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:49:42" (2/3) ... [2018-12-09 18:49:42,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e395af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:49:42, skipping insertion in model container [2018-12-09 18:49:42,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:49:42" (3/3) ... [2018-12-09 18:49:42,465 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product13_false-unreach-call_false-termination.cil.c [2018-12-09 18:49:42,471 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:49:42,475 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:49:42,484 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:49:42,502 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:49:42,502 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:49:42,502 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:49:42,502 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:49:42,502 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:49:42,502 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:49:42,502 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:49:42,502 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:49:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2018-12-09 18:49:42,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 18:49:42,519 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:49:42,519 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] [2018-12-09 18:49:42,521 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:49:42,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:49:42,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1484469547, now seen corresponding path program 1 times [2018-12-09 18:49:42,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:49:42,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:49:42,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:49:42,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:49:42,553 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:49:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:49:42,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:49:42,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:49:42,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 18:49:42,667 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:49:42,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 18:49:42,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 18:49:42,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 18:49:42,679 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2018-12-09 18:49:42,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:49:42,699 INFO L93 Difference]: Finished difference Result 210 states and 263 transitions. [2018-12-09 18:49:42,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 18:49:42,700 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 18:49:42,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:49:42,707 INFO L225 Difference]: With dead ends: 210 [2018-12-09 18:49:42,707 INFO L226 Difference]: Without dead ends: 105 [2018-12-09 18:49:42,709 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 [2018-12-09 18:49:42,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-09 18:49:42,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-12-09 18:49:42,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-09 18:49:42,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 123 transitions. [2018-12-09 18:49:42,738 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 123 transitions. Word has length 52 [2018-12-09 18:49:42,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:49:42,739 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 123 transitions. [2018-12-09 18:49:42,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 18:49:42,739 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2018-12-09 18:49:42,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 18:49:42,740 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:49:42,741 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] [2018-12-09 18:49:42,741 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:49:42,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:49:42,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1674752323, now seen corresponding path program 1 times [2018-12-09 18:49:42,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:49:42,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:49:42,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:49:42,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:49:42,742 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:49:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:49:42,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:49:42,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:49:42,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 18:49:42,796 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:49:42,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:49:42,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:49:42,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:49:42,798 INFO L87 Difference]: Start difference. First operand 105 states and 123 transitions. Second operand 3 states. [2018-12-09 18:49:42,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:49:42,808 INFO L93 Difference]: Finished difference Result 159 states and 185 transitions. [2018-12-09 18:49:42,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:49:42,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 18:49:42,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:49:42,810 INFO L225 Difference]: With dead ends: 159 [2018-12-09 18:49:42,810 INFO L226 Difference]: Without dead ends: 96 [2018-12-09 18:49:42,811 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 [2018-12-09 18:49:42,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-12-09 18:49:42,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-12-09 18:49:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-12-09 18:49:42,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2018-12-09 18:49:42,817 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 53 [2018-12-09 18:49:42,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:49:42,818 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2018-12-09 18:49:42,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:49:42,818 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2018-12-09 18:49:42,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 18:49:42,819 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:49:42,819 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:49:42,819 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:49:42,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:49:42,819 INFO L82 PathProgramCache]: Analyzing trace with hash -2678849, now seen corresponding path program 1 times [2018-12-09 18:49:42,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:49:42,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:49:42,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:49:42,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:49:42,820 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:49:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:49:42,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:49:42,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:49:42,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:49:42,893 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:49:42,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:49:42,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:49:42,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:49:42,895 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 7 states. [2018-12-09 18:49:43,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:49:43,028 INFO L93 Difference]: Finished difference Result 168 states and 199 transitions. [2018-12-09 18:49:43,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 18:49:43,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 18:49:43,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:49:43,030 INFO L225 Difference]: With dead ends: 168 [2018-12-09 18:49:43,030 INFO L226 Difference]: Without dead ends: 96 [2018-12-09 18:49:43,030 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:49:43,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-12-09 18:49:43,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-12-09 18:49:43,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-12-09 18:49:43,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2018-12-09 18:49:43,040 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 57 [2018-12-09 18:49:43,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:49:43,041 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2018-12-09 18:49:43,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:49:43,041 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2018-12-09 18:49:43,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 18:49:43,042 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:49:43,043 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] [2018-12-09 18:49:43,043 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:49:43,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:49:43,043 INFO L82 PathProgramCache]: Analyzing trace with hash -913633015, now seen corresponding path program 1 times [2018-12-09 18:49:43,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:49:43,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:49:43,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:49:43,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:49:43,044 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:49:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:49:43,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:49:43,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:49:43,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:49:43,134 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:49:43,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:49:43,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:49:43,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:49:43,135 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 6 states. [2018-12-09 18:49:43,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:49:43,267 INFO L93 Difference]: Finished difference Result 229 states and 278 transitions. [2018-12-09 18:49:43,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:49:43,267 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-12-09 18:49:43,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:49:43,270 INFO L225 Difference]: With dead ends: 229 [2018-12-09 18:49:43,270 INFO L226 Difference]: Without dead ends: 157 [2018-12-09 18:49:43,271 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 [2018-12-09 18:49:43,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-12-09 18:49:43,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2018-12-09 18:49:43,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-12-09 18:49:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 183 transitions. [2018-12-09 18:49:43,287 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 183 transitions. Word has length 65 [2018-12-09 18:49:43,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:49:43,288 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 183 transitions. [2018-12-09 18:49:43,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:49:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 183 transitions. [2018-12-09 18:49:43,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 18:49:43,290 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:49:43,290 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] [2018-12-09 18:49:43,290 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:49:43,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:49:43,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1439573647, now seen corresponding path program 1 times [2018-12-09 18:49:43,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:49:43,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:49:43,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:49:43,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:49:43,292 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:49:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:49:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:49:43,368 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 18:49:43,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:49:43 BoogieIcfgContainer [2018-12-09 18:49:43,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:49:43,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:49:43,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:49:43,438 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:49:43,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:49:42" (3/4) ... [2018-12-09 18:49:43,440 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 18:49:43,506 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e0127a6f-9ecd-4301-bf1c-c60c2f046733/bin-2019/utaipan/witness.graphml [2018-12-09 18:49:43,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:49:43,507 INFO L168 Benchmark]: Toolchain (without parser) took 1704.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 945.9 MB in the beginning and 821.6 MB in the end (delta: 124.4 MB). Peak memory consumption was 211.4 MB. Max. memory is 11.5 GB. [2018-12-09 18:49:43,508 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:49:43,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -124.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:49:43,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:49:43,508 INFO L168 Benchmark]: Boogie Preprocessor took 20.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:49:43,509 INFO L168 Benchmark]: RCFGBuilder took 326.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. [2018-12-09 18:49:43,509 INFO L168 Benchmark]: TraceAbstraction took 976.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 843.2 MB in the end (delta: 182.1 MB). Peak memory consumption was 182.1 MB. Max. memory is 11.5 GB. [2018-12-09 18:49:43,509 INFO L168 Benchmark]: Witness Printer took 68.28 ms. Allocated memory is still 1.1 GB. Free memory was 843.2 MB in the beginning and 821.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:49:43,511 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -124.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 326.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 976.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 843.2 MB in the end (delta: 182.1 MB). Peak memory consumption was 182.1 MB. Max. memory is 11.5 GB. * Witness Printer took 68.28 ms. Allocated memory is still 1.1 GB. Free memory was 843.2 MB in the beginning and 821.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 168]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L173] int cleanupTimeShifts = 4; [L275] int pumpRunning = 0; [L276] int systemActive = 1; [L694] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L249] int retValue_acc ; [L250] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L254] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L255] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L256] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L155] int retValue_acc ; [L158] retValue_acc = 1 [L159] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L256] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L260] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L261] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L243] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L461] int splverifierCounter ; [L462] int tmp ; [L463] int tmp___0 ; [L464] int tmp___1 ; [L465] int tmp___2 ; [L468] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L470] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L472] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L478] tmp = __VERIFIER_nondet_int() [L480] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L482] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L64] COND TRUE waterLevel < 2 [L65] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L482] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L488] tmp___0 = __VERIFIER_nondet_int() [L490] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L498] tmp___2 = __VERIFIER_nondet_int() [L500] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L513] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L283] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L290] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L292] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L312] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L315] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L330] FCALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L292] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L298] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L427] int tmp ; [L428] int tmp___0 ; [L429] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L433] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L433] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L433] tmp = isMethaneLevelCritical() [L435] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L439] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L439] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L439] tmp___0 = getWaterLevel() [L441] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L443] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L443] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L443] tmp___1 = isPumpRunning() [L445] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L449] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L168] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 118 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 471 SDtfs, 173 SDslu, 726 SDs, 0 SdLazy, 165 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred 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, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 20977 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...