./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_358a5d89-d50d-45ed-a016-977f7650cacb/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_358a5d89-d50d-45ed-a016-977f7650cacb/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_358a5d89-d50d-45ed-a016-977f7650cacb/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_358a5d89-d50d-45ed-a016-977f7650cacb/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_358a5d89-d50d-45ed-a016-977f7650cacb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_358a5d89-d50d-45ed-a016-977f7650cacb/bin/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 6346ce5eb6334508a32a1216a3fa5c414f15aa87 ...................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-cad4683 [2019-10-22 10:17:18,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:17:18,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:17:18,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:17:18,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:17:18,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:17:18,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:17:18,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:17:18,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:17:18,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:17:18,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:17:18,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:17:18,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:17:18,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:17:18,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:17:18,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:17:18,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:17:18,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:17:18,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:17:18,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:17:18,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:17:18,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:17:18,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:17:18,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:17:18,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:17:18,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:17:18,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:17:18,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:17:18,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:17:18,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:17:18,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:17:18,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:17:18,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:17:18,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:17:18,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:17:18,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:17:18,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:17:18,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:17:18,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:17:18,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:17:18,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:17:18,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_358a5d89-d50d-45ed-a016-977f7650cacb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:17:18,424 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:17:18,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:17:18,425 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:17:18,425 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:17:18,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:17:18,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:17:18,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:17:18,426 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:17:18,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:17:18,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:17:18,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:17:18,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:17:18,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:17:18,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:17:18,427 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:17:18,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:17:18,427 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:17:18,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:17:18,428 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:17:18,428 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:17:18,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:17:18,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:17:18,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:17:18,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:17:18,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:17:18,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:17:18,429 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:17:18,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:17:18,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:17:18,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_358a5d89-d50d-45ed-a016-977f7650cacb/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(__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 -> 6346ce5eb6334508a32a1216a3fa5c414f15aa87 [2019-10-22 10:17:18,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:17:18,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:17:18,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:17:18,469 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:17:18,469 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:17:18,469 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_358a5d89-d50d-45ed-a016-977f7650cacb/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2019-10-22 10:17:18,515 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_358a5d89-d50d-45ed-a016-977f7650cacb/bin/ukojak/data/528998185/0a08bbe384f14bfcb5c34e8c246bd837/FLAG4331d3994 [2019-10-22 10:17:18,949 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:17:18,950 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_358a5d89-d50d-45ed-a016-977f7650cacb/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2019-10-22 10:17:18,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_358a5d89-d50d-45ed-a016-977f7650cacb/bin/ukojak/data/528998185/0a08bbe384f14bfcb5c34e8c246bd837/FLAG4331d3994 [2019-10-22 10:17:19,310 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_358a5d89-d50d-45ed-a016-977f7650cacb/bin/ukojak/data/528998185/0a08bbe384f14bfcb5c34e8c246bd837 [2019-10-22 10:17:19,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:17:19,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:17:19,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:19,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:17:19,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:17:19,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:19" (1/1) ... [2019-10-22 10:17:19,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0c4c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:19, skipping insertion in model container [2019-10-22 10:17:19,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:19" (1/1) ... [2019-10-22 10:17:19,328 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:17:19,381 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:17:19,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:19,697 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:17:19,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:19,812 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:17:19,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:19 WrapperNode [2019-10-22 10:17:19,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:19,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:19,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:17:19,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:17:19,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:19" (1/1) ... [2019-10-22 10:17:19,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:19" (1/1) ... [2019-10-22 10:17:19,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:19,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:17:19,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:17:19,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:17:19,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:19" (1/1) ... [2019-10-22 10:17:19,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:19" (1/1) ... [2019-10-22 10:17:19,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:19" (1/1) ... [2019-10-22 10:17:19,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:19" (1/1) ... [2019-10-22 10:17:19,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:19" (1/1) ... [2019-10-22 10:17:19,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:19" (1/1) ... [2019-10-22 10:17:19,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:19" (1/1) ... [2019-10-22 10:17:19,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:17:19,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:17:19,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:17:19,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:17:19,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_358a5d89-d50d-45ed-a016-977f7650cacb/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 [2019-10-22 10:17:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:17:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:17:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:17:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:17:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:17:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:17:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:17:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:17:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:17:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:17:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:17:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-22 10:17:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-22 10:17:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-22 10:17:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-22 10:17:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:17:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:17:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:17:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:17:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:17:20,715 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:17:20,715 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-10-22 10:17:20,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:20 BoogieIcfgContainer [2019-10-22 10:17:20,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:17:20,717 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:17:20,717 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:17:20,727 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:17:20,727 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:20" (1/1) ... [2019-10-22 10:17:20,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:17:20,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:20,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2019-10-22 10:17:20,776 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2019-10-22 10:17:20,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:17:20,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:21,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:21,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:21,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2019-10-22 10:17:21,031 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2019-10-22 10:17:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:17:21,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:21,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:21,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:21,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2019-10-22 10:17:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2019-10-22 10:17:21,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:17:21,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:21,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:21,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:21,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2019-10-22 10:17:21,428 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2019-10-22 10:17:21,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:17:21,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:21,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:21,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2019-10-22 10:17:21,480 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2019-10-22 10:17:21,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:17:21,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:21,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:21,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2019-10-22 10:17:21,530 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2019-10-22 10:17:21,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:17:21,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:21,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:22,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 89 states and 135 transitions. [2019-10-22 10:17:22,133 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 135 transitions. [2019-10-22 10:17:22,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:17:22,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:22,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:17:22,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:22,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 91 states and 136 transitions. [2019-10-22 10:17:22,309 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2019-10-22 10:17:22,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 10:17:22,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:23,127 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2019-10-22 10:17:23,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:17:23 ImpRootNode [2019-10-22 10:17:23,261 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:17:23,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:17:23,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:17:23,261 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:17:23,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:20" (3/4) ... [2019-10-22 10:17:23,267 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:17:23,372 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_358a5d89-d50d-45ed-a016-977f7650cacb/bin/ukojak/witness.graphml [2019-10-22 10:17:23,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:17:23,375 INFO L168 Benchmark]: Toolchain (without parser) took 4061.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.6 MB). Free memory was 948.5 MB in the beginning and 1.0 GB in the end (delta: -83.3 MB). Peak memory consumption was 123.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:23,376 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:23,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:23,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.75 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:23,378 INFO L168 Benchmark]: Boogie Preprocessor took 26.83 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. [2019-10-22 10:17:23,378 INFO L168 Benchmark]: RCFGBuilder took 829.13 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: 84.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:23,378 INFO L168 Benchmark]: CodeCheck took 2543.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 81.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -24.7 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:23,378 INFO L168 Benchmark]: Witness Printer took 112.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:23,380 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 60 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.3s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2952 SDtfs, 780 SDslu, 1296 SDs, 0 SdLazy, 1164 SolverSat, 356 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1251 GetRequests, 1213 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 8045 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 2/2 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: 598]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L415] int pumpRunning = 0; [L416] int systemActive = 1; [L672] int waterLevel = 1; [L673] int methaneLevelCritical = 0; [L761] int cleanupTimeShifts = 4; [L837] int retValue_acc ; [L838] int tmp ; [L920] int retValue_acc ; [L923] retValue_acc = 1 [L924] return (retValue_acc); [L844] tmp = valid_product() [L846] COND TRUE \read(tmp) [L607] int splverifierCounter ; [L608] int tmp ; [L609] int tmp___0 ; [L610] int tmp___1 ; [L611] int tmp___2 ; [L614] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L618] COND TRUE splverifierCounter < 4 [L624] tmp = __VERIFIER_nondet_int() [L626] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L628] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L690] COND TRUE waterLevel < 2 [L691] waterLevel = waterLevel + 1 [L628] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L634] tmp___0 = __VERIFIER_nondet_int() [L636] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L644] tmp___2 = __VERIFIER_nondet_int() [L646] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L659] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L423] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L430] COND TRUE \read(systemActive) [L478] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L481] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L452] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L455] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L470] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L861] int tmp ; [L862] int tmp___0 ; [L863] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L867] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L711] int retValue_acc ; [L714] retValue_acc = methaneLevelCritical [L715] return (retValue_acc); [L867] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L867] tmp = isMethaneLevelCritical() [L869] COND FALSE !(\read(tmp)) [L743] int retValue_acc ; [L746] retValue_acc = waterLevel [L747] return (retValue_acc); [L873] tmp___0 = getWaterLevel() [L875] COND TRUE tmp___0 == 2 [L530] int retValue_acc ; [L533] retValue_acc = pumpRunning [L534] return (retValue_acc); [L877] tmp___1 = isPumpRunning() [L879] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 498.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.75 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.83 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 829.13 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: 84.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 11.5 GB. * CodeCheck took 2543.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 81.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -24.7 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. * Witness Printer took 112.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...