./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product07_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_b5f4b872-9ff9-41b1-bf3e-dbb23ab48842/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b5f4b872-9ff9-41b1-bf3e-dbb23ab48842/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b5f4b872-9ff9-41b1-bf3e-dbb23ab48842/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b5f4b872-9ff9-41b1-bf3e-dbb23ab48842/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product07_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b5f4b872-9ff9-41b1-bf3e-dbb23ab48842/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b5f4b872-9ff9-41b1-bf3e-dbb23ab48842/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 fa84680efe228141f2f1a8a0259e3b287bc28d50 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-02 01:48:51,469 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:48:51,470 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:48:51,479 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:48:51,479 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:48:51,480 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:48:51,481 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:48:51,482 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:48:51,483 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:48:51,484 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:48:51,485 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:48:51,485 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:48:51,486 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:48:51,486 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:48:51,487 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:48:51,488 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:48:51,489 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:48:51,490 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:48:51,491 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:48:51,493 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:48:51,493 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:48:51,494 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:48:51,496 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:48:51,496 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:48:51,496 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:48:51,497 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:48:51,498 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:48:51,498 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:48:51,499 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:48:51,500 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:48:51,500 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:48:51,500 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:48:51,501 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:48:51,501 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:48:51,501 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:48:51,502 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:48:51,502 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b5f4b872-9ff9-41b1-bf3e-dbb23ab48842/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 01:48:51,511 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:48:51,511 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:48:51,511 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 01:48:51,512 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 01:48:51,512 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 01:48:51,512 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 01:48:51,512 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 01:48:51,512 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 01:48:51,512 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 01:48:51,512 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 01:48:51,512 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 01:48:51,512 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 01:48:51,513 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 01:48:51,513 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:48:51,513 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:48:51,513 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 01:48:51,513 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:48:51,513 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:48:51,514 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 01:48:51,514 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:48:51,514 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 01:48:51,514 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:48:51,514 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 01:48:51,514 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 01:48:51,514 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:48:51,514 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 01:48:51,514 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:48:51,515 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 01:48:51,515 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:48:51,515 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:48:51,515 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:48:51,515 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 01:48:51,515 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 01:48:51,515 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:48:51,515 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 01:48:51,516 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 01:48:51,516 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_b5f4b872-9ff9-41b1-bf3e-dbb23ab48842/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 -> fa84680efe228141f2f1a8a0259e3b287bc28d50 [2018-12-02 01:48:51,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:48:51,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:48:51,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:48:51,542 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:48:51,542 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:48:51,543 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b5f4b872-9ff9-41b1-bf3e-dbb23ab48842/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product07_false-unreach-call_false-termination.cil.c [2018-12-02 01:48:51,576 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5f4b872-9ff9-41b1-bf3e-dbb23ab48842/bin-2019/utaipan/data/2ec13bbb8/6a0a153f0fbf41759288acea767ce277/FLAGd62069767 [2018-12-02 01:48:51,968 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:48:51,969 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b5f4b872-9ff9-41b1-bf3e-dbb23ab48842/sv-benchmarks/c/product-lines/minepump_spec3_product07_false-unreach-call_false-termination.cil.c [2018-12-02 01:48:51,974 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5f4b872-9ff9-41b1-bf3e-dbb23ab48842/bin-2019/utaipan/data/2ec13bbb8/6a0a153f0fbf41759288acea767ce277/FLAGd62069767 [2018-12-02 01:48:51,982 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b5f4b872-9ff9-41b1-bf3e-dbb23ab48842/bin-2019/utaipan/data/2ec13bbb8/6a0a153f0fbf41759288acea767ce277 [2018-12-02 01:48:51,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:48:51,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:48:51,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:48:51,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:48:51,987 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:48:51,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:48:51" (1/1) ... [2018-12-02 01:48:51,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:51, skipping insertion in model container [2018-12-02 01:48:51,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:48:51" (1/1) ... [2018-12-02 01:48:51,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:48:52,012 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:48:52,153 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:48:52,160 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:48:52,229 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:48:52,244 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:48:52,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:52 WrapperNode [2018-12-02 01:48:52,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:48:52,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:48:52,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:48:52,245 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:48:52,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:52" (1/1) ... [2018-12-02 01:48:52,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:52" (1/1) ... [2018-12-02 01:48:52,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:48:52,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:48:52,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:48:52,265 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:48:52,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:52" (1/1) ... [2018-12-02 01:48:52,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:52" (1/1) ... [2018-12-02 01:48:52,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:52" (1/1) ... [2018-12-02 01:48:52,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:52" (1/1) ... [2018-12-02 01:48:52,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:52" (1/1) ... [2018-12-02 01:48:52,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:52" (1/1) ... [2018-12-02 01:48:52,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:52" (1/1) ... [2018-12-02 01:48:52,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:48:52,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:48:52,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:48:52,285 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:48:52,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b5f4b872-9ff9-41b1-bf3e-dbb23ab48842/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 [2018-12-02 01:48:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 01:48:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 01:48:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 01:48:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 01:48:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 01:48:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 01:48:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 01:48:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 01:48:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 01:48:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 01:48:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 01:48:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 01:48:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 01:48:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 01:48:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 01:48:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 01:48:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 01:48:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 01:48:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 01:48:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 01:48:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 01:48:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 01:48:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 01:48:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 01:48:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 01:48:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 01:48:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 01:48:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 01:48:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 01:48:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 01:48:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 01:48:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 01:48:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 01:48:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 01:48:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 01:48:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 01:48:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 01:48:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 01:48:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 01:48:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 01:48:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 01:48:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 01:48:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 01:48:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 01:48:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-02 01:48:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-02 01:48:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 01:48:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 01:48:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:48:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:48:52,618 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:48:52,619 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 01:48:52,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:48:52 BoogieIcfgContainer [2018-12-02 01:48:52,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:48:52,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 01:48:52,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 01:48:52,622 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 01:48:52,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:48:51" (1/3) ... [2018-12-02 01:48:52,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203115f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:48:52, skipping insertion in model container [2018-12-02 01:48:52,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:52" (2/3) ... [2018-12-02 01:48:52,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203115f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:48:52, skipping insertion in model container [2018-12-02 01:48:52,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:48:52" (3/3) ... [2018-12-02 01:48:52,625 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product07_false-unreach-call_false-termination.cil.c [2018-12-02 01:48:52,633 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 01:48:52,640 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 01:48:52,651 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 01:48:52,674 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 01:48:52,675 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 01:48:52,675 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 01:48:52,675 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 01:48:52,675 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 01:48:52,675 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 01:48:52,675 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 01:48:52,675 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 01:48:52,687 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2018-12-02 01:48:52,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 01:48:52,692 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:48:52,693 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] [2018-12-02 01:48:52,694 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:48:52,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:48:52,697 INFO L82 PathProgramCache]: Analyzing trace with hash 366496729, now seen corresponding path program 1 times [2018-12-02 01:48:52,699 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:48:52,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:52,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:48:52,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:52,734 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:48:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:48:52,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:48:52,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:48:52,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 01:48:52,842 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:48:52,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 01:48:52,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 01:48:52,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:48:52,853 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2018-12-02 01:48:52,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:48:52,874 INFO L93 Difference]: Finished difference Result 222 states and 279 transitions. [2018-12-02 01:48:52,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 01:48:52,875 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-02 01:48:52,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:48:52,882 INFO L225 Difference]: With dead ends: 222 [2018-12-02 01:48:52,882 INFO L226 Difference]: Without dead ends: 111 [2018-12-02 01:48:52,884 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 [2018-12-02 01:48:52,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-12-02 01:48:52,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-12-02 01:48:52,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-12-02 01:48:52,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions. [2018-12-02 01:48:52,914 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 52 [2018-12-02 01:48:52,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:48:52,914 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 131 transitions. [2018-12-02 01:48:52,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 01:48:52,914 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2018-12-02 01:48:52,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 01:48:52,916 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:48:52,916 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] [2018-12-02 01:48:52,916 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:48:52,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:48:52,916 INFO L82 PathProgramCache]: Analyzing trace with hash 235220958, now seen corresponding path program 1 times [2018-12-02 01:48:52,916 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:48:52,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:52,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:48:52,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:52,917 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:48:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:48:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:48:52,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:48:52,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 01:48:52,965 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:48:52,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 01:48:52,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 01:48:52,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:48:52,966 INFO L87 Difference]: Start difference. First operand 111 states and 131 transitions. Second operand 3 states. [2018-12-02 01:48:52,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:48:52,982 INFO L93 Difference]: Finished difference Result 165 states and 193 transitions. [2018-12-02 01:48:52,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 01:48:52,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-02 01:48:52,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:48:52,983 INFO L225 Difference]: With dead ends: 165 [2018-12-02 01:48:52,983 INFO L226 Difference]: Without dead ends: 102 [2018-12-02 01:48:52,984 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 [2018-12-02 01:48:52,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-12-02 01:48:52,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-12-02 01:48:52,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-12-02 01:48:52,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 119 transitions. [2018-12-02 01:48:52,990 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 119 transitions. Word has length 53 [2018-12-02 01:48:52,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:48:52,991 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 119 transitions. [2018-12-02 01:48:52,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 01:48:52,991 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2018-12-02 01:48:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 01:48:52,992 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:48:52,992 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] [2018-12-02 01:48:52,992 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:48:52,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:48:52,992 INFO L82 PathProgramCache]: Analyzing trace with hash 933625086, now seen corresponding path program 1 times [2018-12-02 01:48:52,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:48:52,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:52,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:48:52,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:52,993 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:48:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:48:53,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:48:53,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:48:53,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:48:53,058 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:48:53,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:48:53,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:48:53,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:48:53,059 INFO L87 Difference]: Start difference. First operand 102 states and 119 transitions. Second operand 7 states. [2018-12-02 01:48:53,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:48:53,281 INFO L93 Difference]: Finished difference Result 314 states and 382 transitions. [2018-12-02 01:48:53,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 01:48:53,281 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 01:48:53,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:48:53,284 INFO L225 Difference]: With dead ends: 314 [2018-12-02 01:48:53,284 INFO L226 Difference]: Without dead ends: 236 [2018-12-02 01:48:53,285 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 [2018-12-02 01:48:53,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-12-02 01:48:53,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 228. [2018-12-02 01:48:53,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-12-02 01:48:53,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 277 transitions. [2018-12-02 01:48:53,310 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 277 transitions. Word has length 57 [2018-12-02 01:48:53,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:48:53,311 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 277 transitions. [2018-12-02 01:48:53,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:48:53,311 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 277 transitions. [2018-12-02 01:48:53,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 01:48:53,313 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:48:53,313 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] [2018-12-02 01:48:53,314 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:48:53,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:48:53,314 INFO L82 PathProgramCache]: Analyzing trace with hash -461658858, now seen corresponding path program 1 times [2018-12-02 01:48:53,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:48:53,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:53,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:48:53,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:53,315 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:48:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:48:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:48:53,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:48:53,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 01:48:53,381 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:48:53,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:48:53,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:48:53,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:48:53,382 INFO L87 Difference]: Start difference. First operand 228 states and 277 transitions. Second operand 6 states. [2018-12-02 01:48:53,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:48:53,513 INFO L93 Difference]: Finished difference Result 609 states and 777 transitions. [2018-12-02 01:48:53,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 01:48:53,514 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-02 01:48:53,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:48:53,517 INFO L225 Difference]: With dead ends: 609 [2018-12-02 01:48:53,517 INFO L226 Difference]: Without dead ends: 405 [2018-12-02 01:48:53,518 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 [2018-12-02 01:48:53,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-12-02 01:48:53,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 399. [2018-12-02 01:48:53,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-12-02 01:48:53,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 496 transitions. [2018-12-02 01:48:53,552 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 496 transitions. Word has length 63 [2018-12-02 01:48:53,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:48:53,553 INFO L480 AbstractCegarLoop]: Abstraction has 399 states and 496 transitions. [2018-12-02 01:48:53,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:48:53,553 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 496 transitions. [2018-12-02 01:48:53,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 01:48:53,556 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:48:53,556 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] [2018-12-02 01:48:53,556 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:48:53,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:48:53,556 INFO L82 PathProgramCache]: Analyzing trace with hash -761677892, now seen corresponding path program 1 times [2018-12-02 01:48:53,556 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:48:53,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:53,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:48:53,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:53,558 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:48:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:48:53,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:48:53,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:48:53,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 01:48:53,633 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:48:53,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 01:48:53,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 01:48:53,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 01:48:53,634 INFO L87 Difference]: Start difference. First operand 399 states and 496 transitions. Second operand 4 states. [2018-12-02 01:48:53,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:48:53,725 INFO L93 Difference]: Finished difference Result 692 states and 881 transitions. [2018-12-02 01:48:53,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 01:48:53,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-12-02 01:48:53,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:48:53,727 INFO L225 Difference]: With dead ends: 692 [2018-12-02 01:48:53,727 INFO L226 Difference]: Without dead ends: 317 [2018-12-02 01:48:53,729 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 01:48:53,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-12-02 01:48:53,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 309. [2018-12-02 01:48:53,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-12-02 01:48:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 360 transitions. [2018-12-02 01:48:53,746 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 360 transitions. Word has length 67 [2018-12-02 01:48:53,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:48:53,746 INFO L480 AbstractCegarLoop]: Abstraction has 309 states and 360 transitions. [2018-12-02 01:48:53,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 01:48:53,747 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 360 transitions. [2018-12-02 01:48:53,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 01:48:53,747 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:48:53,747 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] [2018-12-02 01:48:53,748 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:48:53,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:48:53,748 INFO L82 PathProgramCache]: Analyzing trace with hash 476781660, now seen corresponding path program 1 times [2018-12-02 01:48:53,748 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:48:53,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:53,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:48:53,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:53,749 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:48:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 01:48:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 01:48:53,815 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 01:48:53,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:48:53 BoogieIcfgContainer [2018-12-02 01:48:53,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 01:48:53,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 01:48:53,888 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 01:48:53,888 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 01:48:53,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:48:52" (3/4) ... [2018-12-02 01:48:53,890 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 01:48:53,968 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b5f4b872-9ff9-41b1-bf3e-dbb23ab48842/bin-2019/utaipan/witness.graphml [2018-12-02 01:48:53,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 01:48:53,968 INFO L168 Benchmark]: Toolchain (without parser) took 1984.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -243.8 MB). Peak memory consumption was 297.9 MB. Max. memory is 11.5 GB. [2018-12-02 01:48:53,969 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:48:53,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-02 01:48:53,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:48:53,970 INFO L168 Benchmark]: Boogie Preprocessor took 20.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:48:53,970 INFO L168 Benchmark]: RCFGBuilder took 334.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2018-12-02 01:48:53,970 INFO L168 Benchmark]: TraceAbstraction took 1267.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 814.8 MB in the end (delta: 255.2 MB). Peak memory consumption was 255.2 MB. Max. memory is 11.5 GB. [2018-12-02 01:48:53,970 INFO L168 Benchmark]: Witness Printer took 80.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 814.8 MB in the beginning and 1.2 GB in the end (delta: -381.4 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-02 01:48:53,972 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 259.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 334.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1267.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 814.8 MB in the end (delta: 255.2 MB). Peak memory consumption was 255.2 MB. Max. memory is 11.5 GB. * Witness Printer took 80.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 814.8 MB in the beginning and 1.2 GB in the end (delta: -381.4 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L87] int cleanupTimeShifts = 4; [L357] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L596] int pumpRunning = 0; [L597] int systemActive = 1; [L811] int waterLevel = 1; [L812] int methaneLevelCritical = 0; [L165] int retValue_acc ; [L166] 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] [L170] 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] [L171] 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] [L172] 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] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] 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] [L172] 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] [L172] tmp = valid_product() [L174] 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] [L176] 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] [L177] 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] [L159] 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] [L745] int splverifierCounter ; [L746] int tmp ; [L747] int tmp___0 ; [L748] int tmp___1 ; [L749] int tmp___2 ; [L752] 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] [L754] 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] [L756] 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] [L762] tmp = __VERIFIER_nondet_int() [L764] 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] [L766] 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] [L829] COND TRUE waterLevel < 2 [L830] 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] [L766] 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] [L772] tmp___0 = __VERIFIER_nondet_int() [L774] 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] [L782] tmp___2 = __VERIFIER_nondet_int() [L784] COND FALSE !(\read(tmp___2)) [L788] tmp___1 = __VERIFIER_nondet_int() [L790] 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] [L792] CALL stopSystem() 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] [L732] COND FALSE !(\read(pumpRunning)) 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] [L739] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L792] RET stopSystem() 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=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L799] 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=0, waterLevel=2] [L603] 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=0, waterLevel=2] [L610] COND FALSE !(\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=0, waterLevel=2] [L618] 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=0, waterLevel=2] [L558] int tmp ; [L559] int tmp___0 ; [L560] 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=0, waterLevel=2] [L564] 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=0, waterLevel=2] [L850] int retValue_acc ; [L853] retValue_acc = methaneLevelCritical [L854] 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=0, waterLevel=2] [L564] 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=0, waterLevel=2] [L564] tmp = isMethaneLevelCritical() [L566] 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=0, tmp=0, waterLevel=2] [L570] 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=0, waterLevel=2] [L882] int retValue_acc ; [L885] retValue_acc = waterLevel [L886] 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=0, waterLevel=2] [L570] 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=0, tmp=0, waterLevel=2] [L570] tmp___0 = getWaterLevel() [L572] 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=0, tmp=0, tmp___0=2, waterLevel=2] [L574] 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=0, waterLevel=2] [L684] int retValue_acc ; [L687] retValue_acc = pumpRunning [L688] 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=0, waterLevel=2] [L574] 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=0, tmp=0, tmp___0=2, waterLevel=2] [L574] tmp___1 = isPumpRunning() [L576] 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=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L580] 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=0, waterLevel=2] [L44] __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=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 124 locations, 1 error locations. UNSAFE Result, 1.2s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 631 SDtfs, 365 SDslu, 1103 SDs, 0 SdLazy, 270 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=399occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 359 NumberOfCodeBlocks, 359 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 287 ConstructedInterpolants, 0 QuantifiedInterpolants, 28893 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...