./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product01_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec3_product01_false-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ccadd62ee8105295b69b007526cf1ebacb802621 ................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-0ed9222-m [2019-01-12 14:47:14,700 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 14:47:14,702 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 14:47:14,713 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 14:47:14,713 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 14:47:14,714 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 14:47:14,716 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 14:47:14,718 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 14:47:14,720 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 14:47:14,721 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 14:47:14,722 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 14:47:14,722 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 14:47:14,723 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 14:47:14,724 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 14:47:14,725 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 14:47:14,726 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 14:47:14,727 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 14:47:14,729 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 14:47:14,731 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 14:47:14,733 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 14:47:14,734 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 14:47:14,736 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 14:47:14,738 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 14:47:14,738 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 14:47:14,739 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 14:47:14,740 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 14:47:14,741 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 14:47:14,742 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 14:47:14,743 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 14:47:14,744 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 14:47:14,744 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 14:47:14,745 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 14:47:14,745 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 14:47:14,745 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 14:47:14,747 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 14:47:14,748 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 14:47:14,748 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 14:47:14,763 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 14:47:14,763 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 14:47:14,764 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 14:47:14,764 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 14:47:14,765 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 14:47:14,765 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 14:47:14,765 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 14:47:14,765 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 14:47:14,765 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 14:47:14,766 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 14:47:14,766 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 14:47:14,766 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 14:47:14,766 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 14:47:14,766 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 14:47:14,766 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 14:47:14,767 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 14:47:14,767 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 14:47:14,767 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 14:47:14,767 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 14:47:14,767 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 14:47:14,767 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 14:47:14,769 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:47:14,769 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 14:47:14,769 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 14:47:14,769 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 14:47:14,769 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 14:47:14,770 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 14:47:14,770 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 14:47:14,770 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> ccadd62ee8105295b69b007526cf1ebacb802621 [2019-01-12 14:47:14,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 14:47:14,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 14:47:14,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 14:47:14,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 14:47:14,840 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 14:47:14,841 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product01_false-unreach-call_false-termination.cil.c [2019-01-12 14:47:14,899 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9264f0209/7376737377e24844a613764f773c719d/FLAG0875811e8 [2019-01-12 14:47:15,329 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 14:47:15,330 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product01_false-unreach-call_false-termination.cil.c [2019-01-12 14:47:15,341 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9264f0209/7376737377e24844a613764f773c719d/FLAG0875811e8 [2019-01-12 14:47:15,669 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9264f0209/7376737377e24844a613764f773c719d [2019-01-12 14:47:15,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 14:47:15,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 14:47:15,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 14:47:15,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 14:47:15,685 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 14:47:15,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:47:15" (1/1) ... [2019-01-12 14:47:15,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ebc1e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:15, skipping insertion in model container [2019-01-12 14:47:15,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:47:15" (1/1) ... [2019-01-12 14:47:15,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 14:47:15,768 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 14:47:16,149 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:47:16,164 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 14:47:16,251 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:47:16,279 INFO L195 MainTranslator]: Completed translation [2019-01-12 14:47:16,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:16 WrapperNode [2019-01-12 14:47:16,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 14:47:16,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 14:47:16,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 14:47:16,281 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 14:47:16,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:16" (1/1) ... [2019-01-12 14:47:16,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:16" (1/1) ... [2019-01-12 14:47:16,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 14:47:16,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 14:47:16,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 14:47:16,422 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 14:47:16,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:16" (1/1) ... [2019-01-12 14:47:16,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:16" (1/1) ... [2019-01-12 14:47:16,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:16" (1/1) ... [2019-01-12 14:47:16,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:16" (1/1) ... [2019-01-12 14:47:16,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:16" (1/1) ... [2019-01-12 14:47:16,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:16" (1/1) ... [2019-01-12 14:47:16,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:16" (1/1) ... [2019-01-12 14:47:16,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 14:47:16,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 14:47:16,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 14:47:16,457 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 14:47:16,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-01-12 14:47:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 14:47:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 14:47:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 14:47:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 14:47:17,632 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 14:47:17,632 INFO L286 CfgBuilder]: Removed 72 assue(true) statements. [2019-01-12 14:47:17,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:47:17 BoogieIcfgContainer [2019-01-12 14:47:17,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 14:47:17,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 14:47:17,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 14:47:17,638 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 14:47:17,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 02:47:15" (1/3) ... [2019-01-12 14:47:17,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11abc90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:47:17, skipping insertion in model container [2019-01-12 14:47:17,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:16" (2/3) ... [2019-01-12 14:47:17,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11abc90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:47:17, skipping insertion in model container [2019-01-12 14:47:17,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:47:17" (3/3) ... [2019-01-12 14:47:17,641 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product01_false-unreach-call_false-termination.cil.c [2019-01-12 14:47:17,651 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 14:47:17,659 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 14:47:17,675 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 14:47:17,705 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 14:47:17,706 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 14:47:17,706 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 14:47:17,707 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 14:47:17,707 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 14:47:17,707 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 14:47:17,707 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 14:47:17,707 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 14:47:17,707 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 14:47:17,722 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2019-01-12 14:47:17,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-12 14:47:17,730 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:17,730 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:47:17,733 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:17,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:17,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1527487174, now seen corresponding path program 1 times [2019-01-12 14:47:17,740 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:17,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:17,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:17,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:17,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:17,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:47:17,990 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:17,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:47:17,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 14:47:18,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 14:47:18,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:47:18,005 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2019-01-12 14:47:18,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:18,027 INFO L93 Difference]: Finished difference Result 120 states and 179 transitions. [2019-01-12 14:47:18,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 14:47:18,029 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-01-12 14:47:18,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:18,040 INFO L225 Difference]: With dead ends: 120 [2019-01-12 14:47:18,040 INFO L226 Difference]: Without dead ends: 59 [2019-01-12 14:47:18,044 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:47:18,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-01-12 14:47:18,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-01-12 14:47:18,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-12 14:47:18,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2019-01-12 14:47:18,083 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2019-01-12 14:47:18,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:18,083 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-01-12 14:47:18,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 14:47:18,084 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2019-01-12 14:47:18,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-12 14:47:18,085 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:18,085 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:47:18,085 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:18,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:18,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1856449369, now seen corresponding path program 1 times [2019-01-12 14:47:18,086 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:18,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:18,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:18,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:18,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:18,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:47:18,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:18,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:47:18,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:47:18,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:47:18,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:47:18,270 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand 3 states. [2019-01-12 14:47:18,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:18,289 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2019-01-12 14:47:18,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:47:18,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-01-12 14:47:18,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:18,290 INFO L225 Difference]: With dead ends: 59 [2019-01-12 14:47:18,290 INFO L226 Difference]: Without dead ends: 29 [2019-01-12 14:47:18,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:47:18,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-01-12 14:47:18,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-01-12 14:47:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-01-12 14:47:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-01-12 14:47:18,297 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2019-01-12 14:47:18,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:18,297 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-01-12 14:47:18,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:47:18,297 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-01-12 14:47:18,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-12 14:47:18,298 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:18,298 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:47:18,299 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:18,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:18,299 INFO L82 PathProgramCache]: Analyzing trace with hash 274878546, now seen corresponding path program 1 times [2019-01-12 14:47:18,299 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:18,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:18,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:18,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:18,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:18,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:47:18,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:18,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:47:18,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:47:18,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:47:18,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:47:18,457 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2019-01-12 14:47:18,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:18,687 INFO L93 Difference]: Finished difference Result 130 states and 199 transitions. [2019-01-12 14:47:18,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 14:47:18,689 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-12 14:47:18,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:18,690 INFO L225 Difference]: With dead ends: 130 [2019-01-12 14:47:18,691 INFO L226 Difference]: Without dead ends: 107 [2019-01-12 14:47:18,691 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-12 14:47:18,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-01-12 14:47:18,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 48. [2019-01-12 14:47:18,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-01-12 14:47:18,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2019-01-12 14:47:18,708 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 24 [2019-01-12 14:47:18,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:18,708 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2019-01-12 14:47:18,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:47:18,709 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2019-01-12 14:47:18,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-12 14:47:18,711 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:18,711 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:47:18,712 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:18,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:18,712 INFO L82 PathProgramCache]: Analyzing trace with hash -2143629616, now seen corresponding path program 1 times [2019-01-12 14:47:18,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:18,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:18,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:18,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:18,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 14:47:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 14:47:19,574 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 14:47:19,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 02:47:19 BoogieIcfgContainer [2019-01-12 14:47:19,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 14:47:19,679 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 14:47:19,679 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 14:47:19,680 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 14:47:19,681 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:47:17" (3/4) ... [2019-01-12 14:47:19,684 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-12 14:47:19,775 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 14:47:19,775 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 14:47:19,777 INFO L168 Benchmark]: Toolchain (without parser) took 4100.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 947.3 MB in the beginning and 876.6 MB in the end (delta: 70.8 MB). Peak memory consumption was 220.7 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:19,778 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:47:19,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.21 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 925.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:19,779 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -212.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:19,781 INFO L168 Benchmark]: Boogie Preprocessor took 35.27 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. [2019-01-12 14:47:19,781 INFO L168 Benchmark]: RCFGBuilder took 1177.13 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:19,782 INFO L168 Benchmark]: TraceAbstraction took 2044.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 889.7 MB in the end (delta: 197.9 MB). Peak memory consumption was 197.9 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:19,782 INFO L168 Benchmark]: Witness Printer took 96.06 ms. Allocated memory is still 1.2 GB. Free memory was 889.7 MB in the beginning and 876.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:19,788 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 602.21 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 925.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 139.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -212.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.27 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 1177.13 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2044.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 889.7 MB in the end (delta: 197.9 MB). Peak memory consumption was 197.9 MB. Max. memory is 11.5 GB. * Witness Printer took 96.06 ms. Allocated memory is still 1.2 GB. Free memory was 889.7 MB in the beginning and 876.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 302]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L48] int pumpRunning = 0; [L49] int systemActive = 1; [L307] int cleanupTimeShifts = 4; [L403] int waterLevel = 1; [L404] int methaneLevelCritical = 0; [L652] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L380] int retValue_acc ; [L381] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L253] int retValue_acc ; [L256] retValue_acc = 1 [L257] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L387] tmp = valid_product() [L389] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L160] int splverifierCounter ; [L161] int tmp ; [L162] int tmp___0 ; [L163] int tmp___1 ; [L164] int tmp___2 ; [L167] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L171] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L177] tmp = __VERIFIER_nondet_int() [L179] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L421] COND TRUE waterLevel < 2 [L422] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L187] tmp___0 = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] tmp___2 = __VERIFIER_nondet_int() [L199] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L56] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L63] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L265] int tmp ; [L266] int tmp___0 ; [L267] int tmp___1 ; [L442] int retValue_acc ; [L445] retValue_acc = methaneLevelCritical [L446] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE !(\read(tmp)) [L474] int retValue_acc ; [L477] retValue_acc = waterLevel [L478] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L277] tmp___0 = getWaterLevel() [L279] COND TRUE tmp___0 == 2 [L111] int retValue_acc ; [L114] retValue_acc = pumpRunning [L115] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L281] tmp___1 = isPumpRunning() [L283] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L302] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. UNSAFE Result, 1.9s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 184 SDtfs, 169 SDslu, 148 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 59 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...