./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product23.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_e7ad85ff-5bcb-416d-a974-0aa0ddb0c114/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e7ad85ff-5bcb-416d-a974-0aa0ddb0c114/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e7ad85ff-5bcb-416d-a974-0aa0ddb0c114/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e7ad85ff-5bcb-416d-a974-0aa0ddb0c114/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e7ad85ff-5bcb-416d-a974-0aa0ddb0c114/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e7ad85ff-5bcb-416d-a974-0aa0ddb0c114/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 eb835625053b28be1502d008fc964b9382c39b0e ................................................................................................................................................................................................................................................................................................................................................ 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 10:12:03,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:12:03,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:12:03,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:12:03,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:12:03,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:12:03,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:12:03,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:12:03,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:12:03,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:12:03,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:12:03,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:12:03,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:12:03,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:12:03,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:12:03,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:12:03,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:12:03,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:12:03,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:12:03,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:12:03,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:12:03,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:12:03,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:12:03,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:12:03,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:12:03,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:12:03,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:12:03,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:12:03,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:12:03,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:12:03,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:12:03,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:12:03,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:12:03,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:12:03,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:12:03,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:12:03,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:12:03,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:12:03,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:12:03,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:12:03,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:12:03,627 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e7ad85ff-5bcb-416d-a974-0aa0ddb0c114/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:12:03,647 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:12:03,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:12:03,648 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:12:03,648 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:12:03,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:12:03,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:12:03,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:12:03,649 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:12:03,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:12:03,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:12:03,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:12:03,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:12:03,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:12:03,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:12:03,650 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:12:03,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:12:03,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:12:03,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:12:03,651 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:12:03,651 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:12:03,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:12:03,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:12:03,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:03,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:12:03,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:12:03,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:12:03,652 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:12:03,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:12:03,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:12:03,653 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_e7ad85ff-5bcb-416d-a974-0aa0ddb0c114/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 -> eb835625053b28be1502d008fc964b9382c39b0e [2019-10-22 10:12:03,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:12:03,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:12:03,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:12:03,701 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:12:03,701 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:12:03,701 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e7ad85ff-5bcb-416d-a974-0aa0ddb0c114/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c [2019-10-22 10:12:03,749 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e7ad85ff-5bcb-416d-a974-0aa0ddb0c114/bin/ukojak/data/aa0aa0fed/6bdc63e81abd4e1796222db88bc97f6c/FLAGfcdc5270e [2019-10-22 10:12:04,171 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:12:04,172 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e7ad85ff-5bcb-416d-a974-0aa0ddb0c114/sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c [2019-10-22 10:12:04,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e7ad85ff-5bcb-416d-a974-0aa0ddb0c114/bin/ukojak/data/aa0aa0fed/6bdc63e81abd4e1796222db88bc97f6c/FLAGfcdc5270e [2019-10-22 10:12:04,192 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e7ad85ff-5bcb-416d-a974-0aa0ddb0c114/bin/ukojak/data/aa0aa0fed/6bdc63e81abd4e1796222db88bc97f6c [2019-10-22 10:12:04,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:12:04,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:12:04,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:04,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:12:04,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:12:04,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:04,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306f10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04, skipping insertion in model container [2019-10-22 10:12:04,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:04,211 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:12:04,260 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:12:04,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:04,629 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:12:04,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:04,727 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:12:04,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04 WrapperNode [2019-10-22 10:12:04,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:04,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:04,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:12:04,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:12:04,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:04,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:04,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:04,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:12:04,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:12:04,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:12:04,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:04,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:04,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:04,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:04,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:04,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:04,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:04,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:12:04,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:12:04,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:12:04,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:12:04,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e7ad85ff-5bcb-416d-a974-0aa0ddb0c114/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 10:12:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:12:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:12:04,864 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:12:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:12:04,864 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:12:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:12:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:12:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:12:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:12:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:12:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:12:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-22 10:12:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-22 10:12:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-22 10:12:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-22 10:12:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:12:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:12:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:12:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:12:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:12:05,622 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:12:05,623 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-10-22 10:12:05,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:05 BoogieIcfgContainer [2019-10-22 10:12:05,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:12:05,624 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:12:05,624 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:12:05,634 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:12:05,634 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:05" (1/1) ... [2019-10-22 10:12:05,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:12:05,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:05,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2019-10-22 10:12:05,683 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2019-10-22 10:12:05,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:12:05,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:05,853 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 10:12:05,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:05,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2019-10-22 10:12:05,868 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2019-10-22 10:12:05,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:12:05,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:05,958 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 10:12:05,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:05,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 67 states and 90 transitions. [2019-10-22 10:12:05,977 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2019-10-22 10:12:05,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:12:05,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:06,107 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 10:12:06,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:06,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 77 states and 110 transitions. [2019-10-22 10:12:06,268 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2019-10-22 10:12:06,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:12:06,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:06,331 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 10:12:06,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:06,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 78 states and 111 transitions. [2019-10-22 10:12:06,341 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2019-10-22 10:12:06,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:12:06,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:06,392 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 10:12:06,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:06,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 79 states and 112 transitions. [2019-10-22 10:12:06,408 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 112 transitions. [2019-10-22 10:12:06,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:12:06,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:06,462 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 10:12:06,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 80 states and 113 transitions. [2019-10-22 10:12:06,479 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2019-10-22 10:12:06,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:12:06,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:06,585 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 10:12:07,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 98 states and 153 transitions. [2019-10-22 10:12:07,202 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 153 transitions. [2019-10-22 10:12:07,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:12:07,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:08,104 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2019-10-22 10:12:08,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:12:08 ImpRootNode [2019-10-22 10:12:08,227 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:12:08,230 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:12:08,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:12:08,231 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:12:08,231 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:05" (3/4) ... [2019-10-22 10:12:08,233 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:12:08,337 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e7ad85ff-5bcb-416d-a974-0aa0ddb0c114/bin/ukojak/witness.graphml [2019-10-22 10:12:08,337 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:12:08,339 INFO L168 Benchmark]: Toolchain (without parser) took 4142.32 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.9 MB). Free memory was 943.2 MB in the beginning and 1.0 GB in the end (delta: -101.1 MB). Peak memory consumption was 122.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:08,339 INFO L168 Benchmark]: CDTParser took 0.14 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 10:12:08,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:08,340 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.84 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:08,340 INFO L168 Benchmark]: Boogie Preprocessor took 25.99 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 10:12:08,340 INFO L168 Benchmark]: RCFGBuilder took 823.13 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: 76.9 MB). Peak memory consumption was 76.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:08,340 INFO L168 Benchmark]: CodeCheck took 2605.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -31.8 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:08,341 INFO L168 Benchmark]: Witness Printer took 106.86 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:08,343 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, 65 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.4s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2972 SDtfs, 848 SDslu, 1420 SDs, 0 SdLazy, 1060 SolverSat, 368 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1211 GetRequests, 1175 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 8119 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: 541]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L177] int pumpRunning = 0; [L178] int systemActive = 1; [L438] int cleanupTimeShifts = 4; [L715] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L514] int retValue_acc ; [L515] int tmp ; [L938] int retValue_acc ; [L941] retValue_acc = 1 [L942] return (retValue_acc); [L521] tmp = valid_product() [L523] COND TRUE \read(tmp) [L372] int splverifierCounter ; [L373] int tmp ; [L374] int tmp___0 ; [L375] int tmp___1 ; [L376] int tmp___2 ; [L379] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L381] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L383] COND TRUE splverifierCounter < 4 [L389] tmp = __VERIFIER_nondet_int() [L391] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L393] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 [L393] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L399] tmp___0 = __VERIFIER_nondet_int() [L401] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L409] tmp___2 = __VERIFIER_nondet_int() [L411] COND FALSE !(\read(tmp___2)) [L415] tmp___1 = __VERIFIER_nondet_int() [L417] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L358] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L365] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L426] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L184] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L191] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L139] int tmp ; [L140] int tmp___0 ; [L141] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L145] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L145] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L145] tmp = isMethaneLevelCritical() [L147] COND FALSE !(\read(tmp)) [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); [L151] tmp___0 = getWaterLevel() [L153] COND TRUE tmp___0 == 2 [L291] int retValue_acc ; [L294] retValue_acc = pumpRunning [L295] return (retValue_acc); [L155] tmp___1 = isPumpRunning() [L157] 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] [L541] __VERIFIER_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 0.14 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 531.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.84 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.99 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 823.13 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: 76.9 MB). Peak memory consumption was 76.9 MB. Max. memory is 11.5 GB. * CodeCheck took 2605.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -31.8 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * Witness Printer took 106.86 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...