./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0d98944d-4ea4-4c71-a91e-bf353956ab6f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0d98944d-4ea4-4c71-a91e-bf353956ab6f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0d98944d-4ea4-4c71-a91e-bf353956ab6f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0d98944d-4ea4-4c71-a91e-bf353956ab6f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0d98944d-4ea4-4c71-a91e-bf353956ab6f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0d98944d-4ea4-4c71-a91e-bf353956ab6f/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d04a081dc9d0da3f0fd6fd57a31d7ab84af864dd ........................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 16:41:45,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:41:45,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:41:45,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:41:45,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:41:45,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:41:45,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:41:45,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:41:45,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:41:45,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:41:45,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:41:45,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:41:45,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:41:45,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:41:45,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:41:45,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:41:45,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:41:45,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:41:45,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:41:45,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:41:45,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:41:45,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:41:45,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:41:45,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:41:45,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:41:45,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:41:45,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:41:45,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:41:45,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:41:45,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:41:45,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:41:45,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:41:45,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:41:45,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:41:45,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:41:45,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:41:45,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:41:45,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:41:45,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:41:45,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:41:45,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:41:45,380 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0d98944d-4ea4-4c71-a91e-bf353956ab6f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:41:45,434 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:41:45,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:41:45,436 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:41:45,437 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:41:45,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:41:45,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:41:45,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:41:45,439 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:41:45,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:41:45,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:41:45,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:41:45,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:41:45,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:41:45,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:41:45,442 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:41:45,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:41:45,442 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:41:45,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:41:45,443 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:41:45,443 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:41:45,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:41:45,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:41:45,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:41:45,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:41:45,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:41:45,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:41:45,445 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:41:45,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:41:45,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:41:45,447 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_0d98944d-4ea4-4c71-a91e-bf353956ab6f/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0d98944d-4ea4-4c71-a91e-bf353956ab6f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d04a081dc9d0da3f0fd6fd57a31d7ab84af864dd [2020-12-01 16:41:45,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:41:45,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:41:45,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:41:45,838 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:41:45,839 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:41:45,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0d98944d-4ea4-4c71-a91e-bf353956ab6f/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2020-12-01 16:41:45,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d98944d-4ea4-4c71-a91e-bf353956ab6f/bin/ukojak/data/86686af37/2834976949414c2b9e5ccc4454b5428c/FLAG23e13ad1c [2020-12-01 16:41:46,662 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:41:46,662 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0d98944d-4ea4-4c71-a91e-bf353956ab6f/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2020-12-01 16:41:46,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d98944d-4ea4-4c71-a91e-bf353956ab6f/bin/ukojak/data/86686af37/2834976949414c2b9e5ccc4454b5428c/FLAG23e13ad1c [2020-12-01 16:41:46,959 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0d98944d-4ea4-4c71-a91e-bf353956ab6f/bin/ukojak/data/86686af37/2834976949414c2b9e5ccc4454b5428c [2020-12-01 16:41:46,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:41:46,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:41:46,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:41:46,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:41:46,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:41:46,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:41:46" (1/1) ... [2020-12-01 16:41:46,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c583798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:46, skipping insertion in model container [2020-12-01 16:41:46,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:41:46" (1/1) ... [2020-12-01 16:41:46,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:41:47,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:41:47,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:41:47,438 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:41:47,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:41:47,582 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:41:47,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:47 WrapperNode [2020-12-01 16:41:47,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:41:47,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:41:47,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:41:47,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:41:47,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:47" (1/1) ... [2020-12-01 16:41:47,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:47" (1/1) ... [2020-12-01 16:41:47,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:41:47,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:41:47,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:41:47,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:41:47,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:47" (1/1) ... [2020-12-01 16:41:47,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:47" (1/1) ... [2020-12-01 16:41:47,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:47" (1/1) ... [2020-12-01 16:41:47,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:47" (1/1) ... [2020-12-01 16:41:47,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:47" (1/1) ... [2020-12-01 16:41:47,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:47" (1/1) ... [2020-12-01 16:41:47,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:47" (1/1) ... [2020-12-01 16:41:47,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:41:47,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:41:47,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:41:47,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:41:47,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d98944d-4ea4-4c71-a91e-bf353956ab6f/bin/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 [2020-12-01 16:41:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:41:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:41:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:41:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:41:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:41:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:41:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:41:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:41:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:41:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:41:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:41:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:41:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:41:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-12-01 16:41:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-12-01 16:41:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 16:41:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 16:41:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:41:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:41:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:41:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:41:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:41:49,172 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:41:49,172 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-01 16:41:49,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:41:49 BoogieIcfgContainer [2020-12-01 16:41:49,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:41:49,177 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:41:49,178 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:41:49,190 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:41:49,191 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:41:49" (1/1) ... [2020-12-01 16:41:49,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:41:49,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:49,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2020-12-01 16:41:49,255 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2020-12-01 16:41:49,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:41:49,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:49,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:49,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:49,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2020-12-01 16:41:49,530 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2020-12-01 16:41:49,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:41:49,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:49,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:49,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2020-12-01 16:41:49,705 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2020-12-01 16:41:49,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:41:49,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:50,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:50,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 81 states and 115 transitions. [2020-12-01 16:41:50,103 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2020-12-01 16:41:50,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:41:50,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:50,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:50,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:50,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 116 transitions. [2020-12-01 16:41:50,205 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2020-12-01 16:41:50,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:41:50,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:50,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2020-12-01 16:41:50,329 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2020-12-01 16:41:50,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:41:50,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:50,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:50,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:50,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2020-12-01 16:41:50,450 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-12-01 16:41:50,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:41:50,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:41:50,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:41:51,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:41:51,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 160 transitions. [2020-12-01 16:41:51,394 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2020-12-01 16:41:51,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:41:51,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:41:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:41:51,502 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:41:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:41:51,574 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:41:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:41:52,072 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:41:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:41:52,318 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:41:53,130 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2020-12-01 16:41:53,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:41:53 ImpRootNode [2020-12-01 16:41:53,281 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:41:53,282 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:41:53,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:41:53,283 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:41:53,284 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:41:49" (3/4) ... [2020-12-01 16:41:53,288 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:41:53,424 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0d98944d-4ea4-4c71-a91e-bf353956ab6f/bin/ukojak/witness.graphml [2020-12-01 16:41:53,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:41:53,427 INFO L168 Benchmark]: Toolchain (without parser) took 6461.72 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 86.6 MB in the beginning and 80.4 MB in the end (delta: 6.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:53,428 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 37.4 MB in the beginning and 37.4 MB in the end (delta: 32.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:41:53,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.29 ms. Allocated memory is still 119.5 MB. Free memory was 86.3 MB in the beginning and 84.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:53,429 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.19 ms. Allocated memory is still 119.5 MB. Free memory was 84.7 MB in the beginning and 81.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:53,430 INFO L168 Benchmark]: Boogie Preprocessor took 68.90 ms. Allocated memory is still 119.5 MB. Free memory was 81.9 MB in the beginning and 79.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:53,430 INFO L168 Benchmark]: RCFGBuilder took 1445.60 ms. Allocated memory is still 119.5 MB. Free memory was 79.8 MB in the beginning and 74.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:53,431 INFO L168 Benchmark]: CodeCheck took 4104.15 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 74.9 MB in the beginning and 90.8 MB in the end (delta: -15.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:53,432 INFO L168 Benchmark]: Witness Printer took 142.80 ms. Allocated memory is still 144.7 MB. Free memory was 90.8 MB in the beginning and 80.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:53,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.9s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3040 SDtfs, 912 SDslu, 1420 SDs, 0 SdLazy, 994 SolverSat, 302 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1207 GetRequests, 1177 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 7159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L316] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L587] int pumpRunning = 0; [L588] int systemActive = 1; [L870] int cleanupTimeShifts = 4; [L943] int retValue_acc ; [L944] int tmp ; [L861] int retValue_acc ; [L864] retValue_acc = 1 [L865] return (retValue_acc); [L950] tmp = valid_product() [L952] COND TRUE \read(tmp) [L517] int splverifierCounter ; [L518] int tmp ; [L519] int tmp___0 ; [L520] int tmp___1 ; [L521] int tmp___2 ; [L524] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L526] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L528] COND TRUE splverifierCounter < 4 [L534] tmp = __VERIFIER_nondet_int() [L536] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L538] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 [L538] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L544] tmp___0 = __VERIFIER_nondet_int() [L546] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L554] tmp___2 = __VERIFIER_nondet_int() [L556] COND FALSE !(\read(tmp___2)) [L560] tmp___1 = __VERIFIER_nondet_int() [L562] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L786] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L793] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L571] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L595] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L602] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L799] int tmp ; [L800] int tmp___0 ; [L801] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L805] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L805] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L805] tmp = isMethaneLevelCritical() [L807] COND FALSE !(\read(tmp)) [L120] int retValue_acc ; [L123] retValue_acc = waterLevel [L124] return (retValue_acc); [L811] tmp___0 = getWaterLevel() [L813] COND TRUE tmp___0 == 2 [L719] int retValue_acc ; [L722] retValue_acc = pumpRunning [L723] return (retValue_acc); [L815] tmp___1 = isPumpRunning() [L817] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product31.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 37.4 MB in the beginning and 37.4 MB in the end (delta: 32.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 606.29 ms. Allocated memory is still 119.5 MB. Free memory was 86.3 MB in the beginning and 84.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.19 ms. Allocated memory is still 119.5 MB. Free memory was 84.7 MB in the beginning and 81.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.90 ms. Allocated memory is still 119.5 MB. Free memory was 81.9 MB in the beginning and 79.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1445.60 ms. Allocated memory is still 119.5 MB. Free memory was 79.8 MB in the beginning and 74.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. * CodeCheck took 4104.15 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 74.9 MB in the beginning and 90.8 MB in the end (delta: -15.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Witness Printer took 142.80 ms. Allocated memory is still 144.7 MB. Free memory was 90.8 MB in the beginning and 80.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...