./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product38_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_27058544-43fc-46c3-a63e-ee33eb6af139/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_27058544-43fc-46c3-a63e-ee33eb6af139/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_27058544-43fc-46c3-a63e-ee33eb6af139/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_27058544-43fc-46c3-a63e-ee33eb6af139/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product38_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_27058544-43fc-46c3-a63e-ee33eb6af139/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_27058544-43fc-46c3-a63e-ee33eb6af139/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 a0c13a298b8ef5fea6639223509104e0f4da0801 ................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:10:54,960 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:10:54,961 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:10:54,967 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:10:54,968 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:10:54,968 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:10:54,969 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:10:54,970 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:10:54,971 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:10:54,971 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:10:54,972 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:10:54,972 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:10:54,972 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:10:54,973 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:10:54,973 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:10:54,974 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:10:54,974 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:10:54,975 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:10:54,976 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:10:54,977 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:10:54,978 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:10:54,978 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:10:54,980 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:10:54,980 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:10:54,980 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:10:54,980 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:10:54,981 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:10:54,981 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:10:54,982 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:10:54,982 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:10:54,982 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:10:54,983 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:10:54,983 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:10:54,983 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:10:54,984 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:10:54,984 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:10:54,984 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_27058544-43fc-46c3-a63e-ee33eb6af139/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 15:10:54,992 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:10:54,992 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:10:54,992 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:10:54,993 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 15:10:54,993 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 15:10:54,993 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 15:10:54,993 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:10:54,993 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:10:54,993 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:10:54,993 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:10:54,994 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:10:54,994 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:10:54,994 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:10:54,994 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:10:54,994 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:10:54,994 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:10:54,994 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 15:10:54,994 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:10:54,994 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 15:10:54,994 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 15:10:54,995 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:10:54,995 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:10:54,995 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 15:10:54,995 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:10:54,995 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:10:54,995 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:10:54,995 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 15:10:54,995 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:10:54,995 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:10:54,995 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_27058544-43fc-46c3-a63e-ee33eb6af139/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 -> a0c13a298b8ef5fea6639223509104e0f4da0801 [2018-12-09 15:10:55,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:10:55,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:10:55,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:10:55,022 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:10:55,023 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:10:55,023 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_27058544-43fc-46c3-a63e-ee33eb6af139/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product38_false-unreach-call_false-termination.cil.c [2018-12-09 15:10:55,064 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27058544-43fc-46c3-a63e-ee33eb6af139/bin-2019/ukojak/data/ec34f2aca/c85125b6d11c45b498d5d5152682276a/FLAG1449d057b [2018-12-09 15:10:55,545 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:10:55,546 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_27058544-43fc-46c3-a63e-ee33eb6af139/sv-benchmarks/c/product-lines/minepump_spec1_product38_false-unreach-call_false-termination.cil.c [2018-12-09 15:10:55,551 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27058544-43fc-46c3-a63e-ee33eb6af139/bin-2019/ukojak/data/ec34f2aca/c85125b6d11c45b498d5d5152682276a/FLAG1449d057b [2018-12-09 15:10:56,045 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_27058544-43fc-46c3-a63e-ee33eb6af139/bin-2019/ukojak/data/ec34f2aca/c85125b6d11c45b498d5d5152682276a [2018-12-09 15:10:56,047 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:10:56,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:10:56,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:10:56,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:10:56,051 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:10:56,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:10:56" (1/1) ... [2018-12-09 15:10:56,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186e2be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:56, skipping insertion in model container [2018-12-09 15:10:56,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:10:56" (1/1) ... [2018-12-09 15:10:56,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:10:56,082 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:10:56,227 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:10:56,235 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:10:56,320 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:10:56,335 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:10:56,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:56 WrapperNode [2018-12-09 15:10:56,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:10:56,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:10:56,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:10:56,336 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:10:56,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:56" (1/1) ... [2018-12-09 15:10:56,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:56" (1/1) ... [2018-12-09 15:10:56,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:10:56,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:10:56,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:10:56,369 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:10:56,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:56" (1/1) ... [2018-12-09 15:10:56,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:56" (1/1) ... [2018-12-09 15:10:56,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:56" (1/1) ... [2018-12-09 15:10:56,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:56" (1/1) ... [2018-12-09 15:10:56,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:56" (1/1) ... [2018-12-09 15:10:56,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:56" (1/1) ... [2018-12-09 15:10:56,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:56" (1/1) ... [2018-12-09 15:10:56,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:10:56,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:10:56,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:10:56,388 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:10:56,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:10:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_27058544-43fc-46c3-a63e-ee33eb6af139/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 [2018-12-09 15:10:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 15:10:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 15:10:56,428 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 15:10:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 15:10:56,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 15:10:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 15:10:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 15:10:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 15:10:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 15:10:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 15:10:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 15:10:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 15:10:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 15:10:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 15:10:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 15:10:56,430 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 15:10:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:10:56,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:10:56,889 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:10:56,889 INFO L280 CfgBuilder]: Removed 40 assue(true) statements. [2018-12-09 15:10:56,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:10:56 BoogieIcfgContainer [2018-12-09 15:10:56,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:10:56,890 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 15:10:56,890 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 15:10:56,899 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 15:10:56,899 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:10:56" (1/1) ... [2018-12-09 15:10:56,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:10:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:10:56,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 73 transitions. [2018-12-09 15:10:56,932 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2018-12-09 15:10:56,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 15:10:56,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:10:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:10:57,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:10:57,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:10:57,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2018-12-09 15:10:57,068 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2018-12-09 15:10:57,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 15:10:57,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:10:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:10:57,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:10:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:10:57,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2018-12-09 15:10:57,133 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2018-12-09 15:10:57,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 15:10:57,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:10:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:10:57,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:10:57,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:10:57,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 70 states and 100 transitions. [2018-12-09 15:10:57,319 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2018-12-09 15:10:57,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 15:10:57,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:10:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:10:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:10:57,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:10:57,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 71 states and 101 transitions. [2018-12-09 15:10:57,366 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2018-12-09 15:10:57,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 15:10:57,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:10:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:10:57,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:10:57,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:10:57,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 81 states and 124 transitions. [2018-12-09 15:10:57,798 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 124 transitions. [2018-12-09 15:10:57,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 15:10:57,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:10:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:10:57,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:10:57,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:10:57,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 82 states and 125 transitions. [2018-12-09 15:10:57,833 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions. [2018-12-09 15:10:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 15:10:57,834 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:10:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:10:57,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 15:10:58,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:10:58,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 87 states and 133 transitions. [2018-12-09 15:10:58,192 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 133 transitions. [2018-12-09 15:10:58,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 15:10:58,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:10:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:10:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:10:59,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:10:59,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 101 states and 170 transitions. [2018-12-09 15:10:59,263 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 170 transitions. [2018-12-09 15:10:59,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 15:10:59,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:10:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:10:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:10:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:10:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:10:59,439 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2018-12-09 15:10:59,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 03:10:59 ImpRootNode [2018-12-09 15:10:59,519 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 15:10:59,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:10:59,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:10:59,520 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:10:59,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:10:56" (3/4) ... [2018-12-09 15:10:59,522 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 15:10:59,570 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_27058544-43fc-46c3-a63e-ee33eb6af139/bin-2019/ukojak/witness.graphml [2018-12-09 15:10:59,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:10:59,571 INFO L168 Benchmark]: Toolchain (without parser) took 3524.23 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 314.0 MB). Free memory was 960.3 MB in the beginning and 1.3 GB in the end (delta: -323.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:10:59,572 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:10:59,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-09 15:10:59,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.93 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-12-09 15:10:59,573 INFO L168 Benchmark]: Boogie Preprocessor took 19.60 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. [2018-12-09 15:10:59,573 INFO L168 Benchmark]: RCFGBuilder took 501.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.2 MB). Peak memory consumption was 78.2 MB. Max. memory is 11.5 GB. [2018-12-09 15:10:59,573 INFO L168 Benchmark]: CodeCheck took 2628.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 189.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -274.1 MB). Peak memory consumption was 328.2 MB. Max. memory is 11.5 GB. [2018-12-09 15:10:59,574 INFO L168 Benchmark]: Witness Printer took 51.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-12-09 15:10:59,575 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, 76 locations, 1 error locations. UNSAFE Result, 2.5s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6396 SDtfs, 2028 SDslu, 3596 SDs, 0 SdLazy, 3566 SolverSat, 1250 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1605 GetRequests, 1499 SyntacticMatches, 26 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3180 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 10207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 2/2 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: 837]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L377] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L580] int pumpRunning = 0; [L581] int systemActive = 1; [L843] int waterLevel = 1; [L844] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L767] int splverifierCounter ; [L768] int tmp ; [L769] int tmp___0 ; [L770] int tmp___1 ; [L771] int tmp___2 ; [L774] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L776] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] COND TRUE splverifierCounter < 4 [L784] tmp = __VERIFIER_nondet_int() [L786] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L788] 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 [L788] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L794] tmp___0 = __VERIFIER_nondet_int() [L796] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L798] 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 [L798] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L804] tmp___2 = __VERIFIER_nondet_int() [L806] COND TRUE \read(tmp___2) [L761] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L821] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L587] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L594] COND TRUE \read(systemActive) [L642] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L645] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L660] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L616] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L619] COND TRUE ! pumpRunning [L739] int retValue_acc ; [L740] int tmp ; [L741] int tmp___0 ; [L923] int retValue_acc ; [L926] COND FALSE !(waterLevel < 2) [L930] retValue_acc = 0 [L931] return (retValue_acc); [L745] tmp = isHighWaterSensorDry() [L747] COND FALSE !(\read(tmp)) [L750] tmp___0 = 1 [L752] retValue_acc = tmp___0 [L753] return (retValue_acc); [L621] tmp = isHighWaterLevel() [L623] COND TRUE \read(tmp) [L670] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L660] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L183] int tmp ; [L184] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L188] 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); [L188] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L188] tmp = isMethaneLevelCritical() [L190] COND TRUE \read(tmp) [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] return (retValue_acc); [L192] tmp___0 = isPumpRunning() [L194] 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] [L837] __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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.93 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.60 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 501.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.2 MB). Peak memory consumption was 78.2 MB. Max. memory is 11.5 GB. * CodeCheck took 2628.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 189.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -274.1 MB). Peak memory consumption was 328.2 MB. Max. memory is 11.5 GB. * Witness Printer took 51.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...