./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product49_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_df59d214-fa05-4f54-b737-487c540a1bc7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_df59d214-fa05-4f54-b737-487c540a1bc7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_df59d214-fa05-4f54-b737-487c540a1bc7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_df59d214-fa05-4f54-b737-487c540a1bc7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product49_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_df59d214-fa05-4f54-b737-487c540a1bc7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_df59d214-fa05-4f54-b737-487c540a1bc7/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5f66ecd5f6aef5b29bc80dee4a57cabf0f421223 ........................................................................................................................................................................................................................................................................................................................................................................................................................ 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 [2018-12-08 14:02:33,493 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:02:33,494 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:02:33,501 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:02:33,502 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:02:33,502 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:02:33,503 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:02:33,503 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:02:33,504 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:02:33,505 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:02:33,505 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:02:33,505 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:02:33,506 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:02:33,506 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:02:33,507 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:02:33,507 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:02:33,507 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:02:33,508 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:02:33,509 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:02:33,510 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:02:33,511 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:02:33,511 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:02:33,512 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:02:33,513 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:02:33,513 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:02:33,513 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:02:33,514 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:02:33,514 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:02:33,515 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:02:33,515 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:02:33,515 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:02:33,516 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:02:33,516 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:02:33,516 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:02:33,517 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:02:33,517 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:02:33,518 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_df59d214-fa05-4f54-b737-487c540a1bc7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 14:02:33,527 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:02:33,528 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:02:33,528 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:02:33,528 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 14:02:33,529 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 14:02:33,529 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 14:02:33,529 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:02:33,529 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:02:33,530 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 14:02:33,530 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:02:33,530 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:02:33,530 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:02:33,530 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:02:33,530 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:02:33,530 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:02:33,531 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:02:33,531 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 14:02:33,531 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:02:33,531 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 14:02:33,531 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 14:02:33,531 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:02:33,532 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:02:33,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 14:02:33,532 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:02:33,532 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:02:33,532 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:02:33,532 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 14:02:33,532 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:02:33,533 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 14:02:33,533 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_df59d214-fa05-4f54-b737-487c540a1bc7/bin-2019/ukojak 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 -> Kojak 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 -> 5f66ecd5f6aef5b29bc80dee4a57cabf0f421223 [2018-12-08 14:02:33,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:02:33,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:02:33,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:02:33,567 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:02:33,567 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:02:33,567 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_df59d214-fa05-4f54-b737-487c540a1bc7/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product49_false-unreach-call_false-termination.cil.c [2018-12-08 14:02:33,604 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_df59d214-fa05-4f54-b737-487c540a1bc7/bin-2019/ukojak/data/fad7219ae/c7ca16cc471448dbb0b045e8e206d040/FLAG9dd68df26 [2018-12-08 14:02:34,017 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:02:34,017 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_df59d214-fa05-4f54-b737-487c540a1bc7/sv-benchmarks/c/product-lines/minepump_spec1_product49_false-unreach-call_false-termination.cil.c [2018-12-08 14:02:34,024 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_df59d214-fa05-4f54-b737-487c540a1bc7/bin-2019/ukojak/data/fad7219ae/c7ca16cc471448dbb0b045e8e206d040/FLAG9dd68df26 [2018-12-08 14:02:34,032 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_df59d214-fa05-4f54-b737-487c540a1bc7/bin-2019/ukojak/data/fad7219ae/c7ca16cc471448dbb0b045e8e206d040 [2018-12-08 14:02:34,035 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:02:34,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:02:34,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:02:34,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:02:34,039 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:02:34,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:02:34" (1/1) ... [2018-12-08 14:02:34,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:02:34, skipping insertion in model container [2018-12-08 14:02:34,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:02:34" (1/1) ... [2018-12-08 14:02:34,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:02:34,072 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:02:34,221 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:02:34,265 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:02:34,313 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:02:34,328 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:02:34,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:02:34 WrapperNode [2018-12-08 14:02:34,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:02:34,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:02:34,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:02:34,329 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:02:34,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:02:34" (1/1) ... [2018-12-08 14:02:34,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:02:34" (1/1) ... [2018-12-08 14:02:34,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:02:34,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:02:34,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:02:34,359 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:02:34,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:02:34" (1/1) ... [2018-12-08 14:02:34,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:02:34" (1/1) ... [2018-12-08 14:02:34,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:02:34" (1/1) ... [2018-12-08 14:02:34,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:02:34" (1/1) ... [2018-12-08 14:02:34,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:02:34" (1/1) ... [2018-12-08 14:02:34,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:02:34" (1/1) ... [2018-12-08 14:02:34,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:02:34" (1/1) ... [2018-12-08 14:02:34,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:02:34,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:02:34,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:02:34,377 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:02:34,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:02:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_df59d214-fa05-4f54-b737-487c540a1bc7/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-08 14:02:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 14:02:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 14:02:34,409 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 14:02:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 14:02:34,409 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 14:02:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 14:02:34,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 14:02:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 14:02:34,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 14:02:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 14:02:34,410 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 14:02:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 14:02:34,410 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 14:02:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 14:02:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 14:02:34,410 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 14:02:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:02:34,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:02:34,858 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:02:34,858 INFO L280 CfgBuilder]: Removed 40 assue(true) statements. [2018-12-08 14:02:34,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:02:34 BoogieIcfgContainer [2018-12-08 14:02:34,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:02:34,859 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 14:02:34,859 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 14:02:34,865 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 14:02:34,866 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:02:34" (1/1) ... [2018-12-08 14:02:34,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:02:34,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:02:34,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2018-12-08 14:02:34,897 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2018-12-08 14:02:34,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 14:02:34,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:02:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:02:35,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:02:35,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:02:35,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2018-12-08 14:02:35,015 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2018-12-08 14:02:35,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 14:02:35,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:02:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:02:35,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:02:35,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:02:35,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2018-12-08 14:02:35,085 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2018-12-08 14:02:35,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 14:02:35,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:02:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:02:35,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:02:35,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:02:35,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 88 transitions. [2018-12-08 14:02:35,232 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2018-12-08 14:02:35,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 14:02:35,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:02:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:02:35,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:02:35,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:02:35,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2018-12-08 14:02:35,469 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2018-12-08 14:02:35,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 14:02:35,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:02:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:02:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:02:35,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:02:35,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2018-12-08 14:02:35,497 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2018-12-08 14:02:35,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 14:02:35,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:02:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:02:35,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:02:35,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:02:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 76 states and 110 transitions. [2018-12-08 14:02:35,527 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2018-12-08 14:02:35,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 14:02:35,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:02:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:02:35,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:02:35,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:02:35,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 77 states and 113 transitions. [2018-12-08 14:02:35,555 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2018-12-08 14:02:35,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 14:02:35,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:02:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:02:35,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:02:35,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:02:35,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2018-12-08 14:02:35,610 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2018-12-08 14:02:35,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 14:02:35,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:02:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:02:35,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:02:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:02:36,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 93 states and 144 transitions. [2018-12-08 14:02:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 144 transitions. [2018-12-08 14:02:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 14:02:36,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:02:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:02:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:02:36,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:02:36,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 95 states and 150 transitions. [2018-12-08 14:02:36,180 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 150 transitions. [2018-12-08 14:02:36,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 14:02:36,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:02:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:02:36,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:02:36,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:02:36,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 96 states and 151 transitions. [2018-12-08 14:02:36,203 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 151 transitions. [2018-12-08 14:02:36,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 14:02:36,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:02:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:02:36,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:02:36,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:02:36,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 110 states and 184 transitions. [2018-12-08 14:02:36,973 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 184 transitions. [2018-12-08 14:02:36,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 14:02:36,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:02:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:02:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:02:37,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:02:37,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 115 states and 193 transitions. [2018-12-08 14:02:37,410 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 193 transitions. [2018-12-08 14:02:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 14:02:37,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:02:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:02:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:02:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:02:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:02:37,589 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 14 iterations. [2018-12-08 14:02:37,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 02:02:37 ImpRootNode [2018-12-08 14:02:37,679 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 14:02:37,680 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:02:37,680 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:02:37,680 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:02:37,680 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:02:34" (3/4) ... [2018-12-08 14:02:37,682 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 14:02:37,733 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_df59d214-fa05-4f54-b737-487c540a1bc7/bin-2019/ukojak/witness.graphml [2018-12-08 14:02:37,733 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:02:37,734 INFO L168 Benchmark]: Toolchain (without parser) took 3698.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:02:37,735 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:02:37,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -136.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2018-12-08 14:02:37,735 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:02:37,736 INFO L168 Benchmark]: Boogie Preprocessor took 17.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:02:37,736 INFO L168 Benchmark]: RCFGBuilder took 482.16 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: 78.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. [2018-12-08 14:02:37,736 INFO L168 Benchmark]: CodeCheck took 2820.58 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -141.4 MB). Peak memory consumption was 226.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:02:37,736 INFO L168 Benchmark]: Witness Printer took 53.90 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-08 14:02:37,737 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 77 locations, 1 error locations. UNSAFE Result, 2.7s OverallTime, 14 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 168256 SDtfs, 62724 SDslu, 104864 SDs, 0 SdLazy, 98348 SolverSat, 28152 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2752 GetRequests, 2642 SyntacticMatches, 2 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4388 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 17401 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 950]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L69] int cleanupTimeShifts = 4; [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L545] int pumpRunning = 0; [L546] int systemActive = 1; [L843] int waterLevel = 1; [L844] int methaneLevelCritical = 0; [L150] int retValue_acc ; [L151] int tmp ; [L833] int retValue_acc ; [L836] retValue_acc = 1 [L837] return (retValue_acc); [L157] tmp = valid_product() [L159] COND TRUE \read(tmp) [L743] int splverifierCounter ; [L744] int tmp ; [L745] int tmp___0 ; [L746] int tmp___1 ; [L747] int tmp___2 ; [L750] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L752] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L754] COND TRUE splverifierCounter < 4 [L760] tmp = __VERIFIER_nondet_int() [L762] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L764] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L861] COND TRUE waterLevel < 2 [L862] waterLevel = waterLevel + 1 [L764] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L770] tmp___0 = __VERIFIER_nondet_int() [L772] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L774] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L873] COND FALSE !(\read(methaneLevelCritical)) [L876] methaneLevelCritical = 1 [L774] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L780] tmp___2 = __VERIFIER_nondet_int() [L782] COND FALSE !(\read(tmp___2)) [L786] tmp___1 = __VERIFIER_nondet_int() [L788] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L795] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L552] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L559] COND TRUE \read(systemActive) [L607] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L610] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L625] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L581] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L584] COND TRUE ! pumpRunning [L704] int retValue_acc ; [L705] int tmp ; [L706] int tmp___0 ; [L923] int retValue_acc ; [L926] COND FALSE !(waterLevel < 2) [L930] retValue_acc = 0 [L931] return (retValue_acc); [L710] tmp = isHighWaterSensorDry() [L712] COND FALSE !(\read(tmp)) [L715] tmp___0 = 1 [L717] retValue_acc = tmp___0 [L718] return (retValue_acc); [L586] tmp = isHighWaterLevel() [L588] COND TRUE \read(tmp) [L635] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L625] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L44] int tmp ; [L45] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L49] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L882] int retValue_acc ; [L885] retValue_acc = methaneLevelCritical [L886] return (retValue_acc); [L49] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L49] tmp = isMethaneLevelCritical() [L51] COND TRUE \read(tmp) [L659] int retValue_acc ; [L662] retValue_acc = pumpRunning [L663] return (retValue_acc); [L53] tmp___0 = isPumpRunning() [L55] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L950] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 291.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -136.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 482.16 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: 78.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. * CodeCheck took 2820.58 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -141.4 MB). Peak memory consumption was 226.7 MB. Max. memory is 11.5 GB. * Witness Printer took 53.90 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...