./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product28_true-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_spec4_product28_true-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 0040f6786a06aedabfd1d9c06a96268fa6592c87 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 14:54:17,651 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 14:54:17,656 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 14:54:17,675 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 14:54:17,675 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 14:54:17,676 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 14:54:17,679 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 14:54:17,682 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 14:54:17,684 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 14:54:17,686 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 14:54:17,686 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 14:54:17,688 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 14:54:17,690 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 14:54:17,691 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 14:54:17,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 14:54:17,694 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 14:54:17,695 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 14:54:17,697 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 14:54:17,706 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 14:54:17,710 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 14:54:17,711 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 14:54:17,712 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 14:54:17,715 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 14:54:17,715 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 14:54:17,715 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 14:54:17,717 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 14:54:17,718 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 14:54:17,721 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 14:54:17,722 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 14:54:17,723 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 14:54:17,723 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 14:54:17,726 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 14:54:17,726 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 14:54:17,726 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 14:54:17,727 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 14:54:17,728 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 14:54:17,728 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 14:54:17,754 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 14:54:17,754 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 14:54:17,756 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 14:54:17,756 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 14:54:17,756 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 14:54:17,756 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 14:54:17,757 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 14:54:17,757 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 14:54:17,757 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 14:54:17,757 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 14:54:17,757 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 14:54:17,757 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 14:54:17,758 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 14:54:17,758 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 14:54:17,759 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 14:54:17,759 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 14:54:17,759 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 14:54:17,759 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 14:54:17,759 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 14:54:17,759 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 14:54:17,760 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 14:54:17,760 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:54:17,760 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 14:54:17,760 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 14:54:17,760 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 14:54:17,760 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 14:54:17,761 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 14:54:17,762 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 14:54:17,762 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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2019-01-12 14:54:17,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 14:54:17,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 14:54:17,847 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 14:54:17,848 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 14:54:17,848 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 14:54:17,849 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2019-01-12 14:54:17,912 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ece112a4/bdeebc8f24684e96a6c3ce400b5783dc/FLAG57f35fdc3 [2019-01-12 14:54:18,405 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 14:54:18,405 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2019-01-12 14:54:18,417 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ece112a4/bdeebc8f24684e96a6c3ce400b5783dc/FLAG57f35fdc3 [2019-01-12 14:54:18,713 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ece112a4/bdeebc8f24684e96a6c3ce400b5783dc [2019-01-12 14:54:18,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 14:54:18,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 14:54:18,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 14:54:18,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 14:54:18,723 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 14:54:18,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:54:18" (1/1) ... [2019-01-12 14:54:18,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64194056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:18, skipping insertion in model container [2019-01-12 14:54:18,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:54:18" (1/1) ... [2019-01-12 14:54:18,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 14:54:18,805 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 14:54:19,258 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:54:19,273 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 14:54:19,526 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:54:19,567 INFO L195 MainTranslator]: Completed translation [2019-01-12 14:54:19,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:19 WrapperNode [2019-01-12 14:54:19,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 14:54:19,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 14:54:19,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 14:54:19,570 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 14:54:19,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:19" (1/1) ... [2019-01-12 14:54:19,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:19" (1/1) ... [2019-01-12 14:54:19,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 14:54:19,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 14:54:19,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 14:54:19,640 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 14:54:19,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:19" (1/1) ... [2019-01-12 14:54:19,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:19" (1/1) ... [2019-01-12 14:54:19,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:19" (1/1) ... [2019-01-12 14:54:19,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:19" (1/1) ... [2019-01-12 14:54:19,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:19" (1/1) ... [2019-01-12 14:54:19,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:19" (1/1) ... [2019-01-12 14:54:19,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:19" (1/1) ... [2019-01-12 14:54:19,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 14:54:19,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 14:54:19,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 14:54:19,679 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 14:54:19,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:19" (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 14:54:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 14:54:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 14:54:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 14:54:19,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 14:54:20,867 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 14:54:20,867 INFO L286 CfgBuilder]: Removed 102 assue(true) statements. [2019-01-12 14:54:20,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:54:20 BoogieIcfgContainer [2019-01-12 14:54:20,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 14:54:20,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 14:54:20,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 14:54:20,873 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 14:54:20,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 02:54:18" (1/3) ... [2019-01-12 14:54:20,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e39864a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:54:20, skipping insertion in model container [2019-01-12 14:54:20,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:19" (2/3) ... [2019-01-12 14:54:20,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e39864a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:54:20, skipping insertion in model container [2019-01-12 14:54:20,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:54:20" (3/3) ... [2019-01-12 14:54:20,876 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2019-01-12 14:54:20,886 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 14:54:20,894 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 14:54:20,911 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 14:54:20,942 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 14:54:20,943 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 14:54:20,943 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 14:54:20,943 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 14:54:20,943 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 14:54:20,943 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 14:54:20,943 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 14:54:20,944 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 14:54:20,944 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 14:54:20,959 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-01-12 14:54:20,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-12 14:54:20,966 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:20,967 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:20,970 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:20,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:20,976 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2019-01-12 14:54:20,978 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:20,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:21,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:21,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:21,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:21,267 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 14:54:21,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:21,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:54:21,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 14:54:21,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 14:54:21,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:54:21,286 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-01-12 14:54:21,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:21,313 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-01-12 14:54:21,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 14:54:21,315 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-01-12 14:54:21,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:21,328 INFO L225 Difference]: With dead ends: 148 [2019-01-12 14:54:21,328 INFO L226 Difference]: Without dead ends: 73 [2019-01-12 14:54:21,331 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 14:54:21,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-01-12 14:54:21,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-01-12 14:54:21,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-01-12 14:54:21,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-01-12 14:54:21,377 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2019-01-12 14:54:21,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:21,377 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-01-12 14:54:21,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 14:54:21,377 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-01-12 14:54:21,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-12 14:54:21,378 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:21,379 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:21,379 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:21,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:21,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2019-01-12 14:54:21,380 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:21,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:21,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:21,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:21,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:21,487 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 14:54:21,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:21,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:54:21,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:54:21,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:54:21,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:21,493 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2019-01-12 14:54:21,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:21,516 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-01-12 14:54:21,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:54:21,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-12 14:54:21,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:21,518 INFO L225 Difference]: With dead ends: 73 [2019-01-12 14:54:21,518 INFO L226 Difference]: Without dead ends: 35 [2019-01-12 14:54:21,520 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 14:54:21,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-01-12 14:54:21,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-01-12 14:54:21,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-12 14:54:21,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-01-12 14:54:21,525 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2019-01-12 14:54:21,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:21,526 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-01-12 14:54:21,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:54:21,526 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-01-12 14:54:21,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-12 14:54:21,527 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:21,527 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] [2019-01-12 14:54:21,528 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:21,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:21,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2019-01-12 14:54:21,528 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:21,529 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:21,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:21,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:21,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:21,779 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 14:54:21,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:21,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:54:21,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:54:21,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:54:21,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:54:21,782 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2019-01-12 14:54:21,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:21,943 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2019-01-12 14:54:21,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 14:54:21,945 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-01-12 14:54:21,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:21,946 INFO L225 Difference]: With dead ends: 87 [2019-01-12 14:54:21,947 INFO L226 Difference]: Without dead ends: 58 [2019-01-12 14:54:21,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-12 14:54:21,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-01-12 14:54:21,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2019-01-12 14:54:21,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-01-12 14:54:21,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2019-01-12 14:54:21,962 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2019-01-12 14:54:21,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:21,962 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2019-01-12 14:54:21,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:54:21,965 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2019-01-12 14:54:21,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-12 14:54:21,967 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:21,967 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] [2019-01-12 14:54:21,968 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:21,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:21,968 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2019-01-12 14:54:21,969 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:21,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:21,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:21,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:21,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:22,249 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 14:54:22,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:22,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-12 14:54:22,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-12 14:54:22,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-12 14:54:22,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-01-12 14:54:22,252 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 8 states. [2019-01-12 14:54:22,646 WARN L181 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2019-01-12 14:54:23,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:23,283 INFO L93 Difference]: Finished difference Result 335 states and 516 transitions. [2019-01-12 14:54:23,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-12 14:54:23,286 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-01-12 14:54:23,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:23,294 INFO L225 Difference]: With dead ends: 335 [2019-01-12 14:54:23,294 INFO L226 Difference]: Without dead ends: 287 [2019-01-12 14:54:23,295 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-01-12 14:54:23,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2019-01-12 14:54:23,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 136. [2019-01-12 14:54:23,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-01-12 14:54:23,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2019-01-12 14:54:23,351 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2019-01-12 14:54:23,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:23,352 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2019-01-12 14:54:23,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-12 14:54:23,352 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2019-01-12 14:54:23,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-12 14:54:23,353 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:23,354 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 14:54:23,355 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:23,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:23,356 INFO L82 PathProgramCache]: Analyzing trace with hash -746802105, now seen corresponding path program 1 times [2019-01-12 14:54:23,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:23,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:23,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:23,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:23,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:23,486 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 14:54:23,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:23,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:54:23,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:54:23,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:54:23,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:23,488 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 3 states. [2019-01-12 14:54:23,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:23,576 INFO L93 Difference]: Finished difference Result 245 states and 355 transitions. [2019-01-12 14:54:23,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:54:23,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-01-12 14:54:23,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:23,579 INFO L225 Difference]: With dead ends: 245 [2019-01-12 14:54:23,579 INFO L226 Difference]: Without dead ends: 115 [2019-01-12 14:54:23,580 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 14:54:23,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-01-12 14:54:23,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-01-12 14:54:23,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-01-12 14:54:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2019-01-12 14:54:23,619 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 24 [2019-01-12 14:54:23,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:23,620 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2019-01-12 14:54:23,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:54:23,622 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2019-01-12 14:54:23,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-01-12 14:54:23,625 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:23,626 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:23,626 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:23,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:23,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1392388941, now seen corresponding path program 1 times [2019-01-12 14:54:23,628 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:23,628 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:23,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:23,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:23,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-01-12 14:54:23,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:23,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:54:23,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:54:23,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:54:23,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:54:23,972 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 5 states. [2019-01-12 14:54:24,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:24,334 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2019-01-12 14:54:24,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 14:54:24,335 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-01-12 14:54:24,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:24,336 INFO L225 Difference]: With dead ends: 235 [2019-01-12 14:54:24,336 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 14:54:24,338 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 14:54:24,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 14:54:24,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 14:54:24,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 14:54:24,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 14:54:24,340 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-01-12 14:54:24,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:24,340 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 14:54:24,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:54:24,342 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 14:54:24,342 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 14:54:24,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 14:54:24,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:24,906 WARN L181 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2019-01-12 14:54:25,133 WARN L181 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2019-01-12 14:54:25,463 WARN L181 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 11 [2019-01-12 14:54:25,822 INFO L444 ceAbstractionStarter]: At program point L498(lines 497 516) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:25,822 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2019-01-12 14:54:25,823 INFO L444 ceAbstractionStarter]: At program point L498-2(lines 497 516) the Hoare annotation is: false [2019-01-12 14:54:25,823 INFO L444 ceAbstractionStarter]: At program point L498-3(lines 497 516) the Hoare annotation is: false [2019-01-12 14:54:25,823 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 14:54:25,823 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2019-01-12 14:54:25,823 INFO L444 ceAbstractionStarter]: At program point L664-1(lines 664 670) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:25,824 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 927) no Hoare annotation was computed. [2019-01-12 14:54:25,824 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 542) no Hoare annotation was computed. [2019-01-12 14:54:25,824 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 534 542) no Hoare annotation was computed. [2019-01-12 14:54:25,824 INFO L444 ceAbstractionStarter]: At program point L468(lines 1 939) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-01-12 14:54:25,824 INFO L448 ceAbstractionStarter]: For program point L534-2(lines 534 542) no Hoare annotation was computed. [2019-01-12 14:54:25,824 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 720) no Hoare annotation was computed. [2019-01-12 14:54:25,824 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2019-01-12 14:54:25,825 INFO L448 ceAbstractionStarter]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2019-01-12 14:54:25,825 INFO L448 ceAbstractionStarter]: For program point L650-3(lines 650 654) no Hoare annotation was computed. [2019-01-12 14:54:25,825 INFO L448 ceAbstractionStarter]: For program point L650-5(lines 650 654) no Hoare annotation was computed. [2019-01-12 14:54:25,825 INFO L448 ceAbstractionStarter]: For program point L650-6(lines 650 654) no Hoare annotation was computed. [2019-01-12 14:54:25,825 INFO L448 ceAbstractionStarter]: For program point L650-8(lines 650 654) no Hoare annotation was computed. [2019-01-12 14:54:25,825 INFO L444 ceAbstractionStarter]: At program point L601(lines 596 604) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:25,826 INFO L444 ceAbstractionStarter]: At program point L601-1(lines 596 604) the Hoare annotation is: false [2019-01-12 14:54:25,826 INFO L444 ceAbstractionStarter]: At program point L601-2(lines 596 604) the Hoare annotation is: false [2019-01-12 14:54:25,826 INFO L444 ceAbstractionStarter]: At program point L932(lines 881 933) the Hoare annotation is: false [2019-01-12 14:54:25,826 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-01-12 14:54:25,826 INFO L448 ceAbstractionStarter]: For program point L883(lines 882 931) no Hoare annotation was computed. [2019-01-12 14:54:25,826 INFO L451 ceAbstractionStarter]: At program point L867(lines 848 870) the Hoare annotation is: true [2019-01-12 14:54:25,827 INFO L444 ceAbstractionStarter]: At program point L834(lines 830 836) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-01-12 14:54:25,827 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 14:54:25,827 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 888) no Hoare annotation was computed. [2019-01-12 14:54:25,827 INFO L444 ceAbstractionStarter]: At program point L505(lines 505 511) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:25,827 INFO L444 ceAbstractionStarter]: At program point L505-1(lines 505 511) the Hoare annotation is: false [2019-01-12 14:54:25,828 INFO L444 ceAbstractionStarter]: At program point L505-2(lines 505 511) the Hoare annotation is: false [2019-01-12 14:54:25,828 INFO L444 ceAbstractionStarter]: At program point L786-2(lines 786 800) the Hoare annotation is: false [2019-01-12 14:54:25,828 INFO L448 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-01-12 14:54:25,828 INFO L444 ceAbstractionStarter]: At program point L902-1(lines 902 908) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:25,828 INFO L444 ceAbstractionStarter]: At program point L770(lines 765 773) the Hoare annotation is: false [2019-01-12 14:54:25,828 INFO L444 ceAbstractionStarter]: At program point L770-1(lines 765 773) the Hoare annotation is: false [2019-01-12 14:54:25,828 INFO L448 ceAbstractionStarter]: For program point L704(lines 704 708) no Hoare annotation was computed. [2019-01-12 14:54:25,829 INFO L444 ceAbstractionStarter]: At program point L770-2(lines 765 773) the Hoare annotation is: false [2019-01-12 14:54:25,829 INFO L448 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-01-12 14:54:25,829 INFO L448 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-01-12 14:54:25,829 INFO L448 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-01-12 14:54:25,829 INFO L448 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-01-12 14:54:25,829 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 14:54:25,830 INFO L448 ceAbstractionStarter]: For program point L920(lines 920 926) no Hoare annotation was computed. [2019-01-12 14:54:25,830 INFO L444 ceAbstractionStarter]: At program point L920-1(lines 498 504) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:25,830 INFO L444 ceAbstractionStarter]: At program point L656(lines 641 659) the Hoare annotation is: false [2019-01-12 14:54:25,830 INFO L444 ceAbstractionStarter]: At program point L656-1(lines 641 659) the Hoare annotation is: false [2019-01-12 14:54:25,830 INFO L444 ceAbstractionStarter]: At program point L656-2(lines 641 659) the Hoare annotation is: false [2019-01-12 14:54:25,830 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-01-12 14:54:25,831 INFO L444 ceAbstractionStarter]: At program point L425-1(lines 1 939) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:25,831 INFO L448 ceAbstractionStarter]: For program point L425-2(lines 425 438) no Hoare annotation was computed. [2019-01-12 14:54:25,831 INFO L444 ceAbstractionStarter]: At program point L425-3(lines 1 939) the Hoare annotation is: false [2019-01-12 14:54:25,831 INFO L448 ceAbstractionStarter]: For program point L425-4(lines 425 438) no Hoare annotation was computed. [2019-01-12 14:54:25,831 INFO L444 ceAbstractionStarter]: At program point L425-5(lines 1 939) the Hoare annotation is: false [2019-01-12 14:54:25,831 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-01-12 14:54:25,832 INFO L444 ceAbstractionStarter]: At program point L476(lines 471 479) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-01-12 14:54:25,832 INFO L448 ceAbstractionStarter]: For program point L790(lines 790 794) no Hoare annotation was computed. [2019-01-12 14:54:25,832 INFO L448 ceAbstractionStarter]: For program point L790-1(lines 498 504) no Hoare annotation was computed. [2019-01-12 14:54:25,832 INFO L448 ceAbstractionStarter]: For program point L692(lines 692 696) no Hoare annotation was computed. [2019-01-12 14:54:25,832 INFO L448 ceAbstractionStarter]: For program point L692-3(lines 692 696) no Hoare annotation was computed. [2019-01-12 14:54:25,832 INFO L448 ceAbstractionStarter]: For program point L692-6(lines 692 696) no Hoare annotation was computed. [2019-01-12 14:54:25,832 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 14:54:25,832 INFO L448 ceAbstractionStarter]: For program point L858(lines 858 865) no Hoare annotation was computed. [2019-01-12 14:54:25,833 INFO L451 ceAbstractionStarter]: At program point L858-1(lines 858 865) the Hoare annotation is: true [2019-01-12 14:54:25,833 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-01-12 14:54:25,833 INFO L448 ceAbstractionStarter]: For program point L429-2(lines 429 435) no Hoare annotation was computed. [2019-01-12 14:54:25,833 INFO L448 ceAbstractionStarter]: For program point L429-4(lines 429 435) no Hoare annotation was computed. [2019-01-12 14:54:25,833 INFO L448 ceAbstractionStarter]: For program point L892(lines 892 898) no Hoare annotation was computed. [2019-01-12 14:54:25,833 INFO L444 ceAbstractionStarter]: At program point L892-1(lines 892 898) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:25,834 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-01-12 14:54:25,834 INFO L444 ceAbstractionStarter]: At program point L761(lines 756 764) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:25,834 INFO L444 ceAbstractionStarter]: At program point L761-1(lines 756 764) the Hoare annotation is: false [2019-01-12 14:54:25,834 INFO L444 ceAbstractionStarter]: At program point L761-2(lines 756 764) the Hoare annotation is: false [2019-01-12 14:54:25,834 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 547) no Hoare annotation was computed. [2019-01-12 14:54:25,835 INFO L448 ceAbstractionStarter]: For program point L530-1(lines 530 547) no Hoare annotation was computed. [2019-01-12 14:54:25,835 INFO L448 ceAbstractionStarter]: For program point L530-2(lines 530 547) no Hoare annotation was computed. [2019-01-12 14:54:25,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 02:54:25 BoogieIcfgContainer [2019-01-12 14:54:25,878 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 14:54:25,879 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 14:54:25,879 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 14:54:25,880 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 14:54:25,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:54:20" (3/4) ... [2019-01-12 14:54:25,885 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 14:54:25,914 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-01-12 14:54:25,916 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-01-12 14:54:25,918 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-01-12 14:54:25,921 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 14:54:25,922 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 14:54:25,922 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 14:54:25,958 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-01-12 14:54:25,959 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-01-12 14:54:25,959 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2019-01-12 14:54:25,960 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2019-01-12 14:54:25,960 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2019-01-12 14:54:25,960 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2019-01-12 14:54:25,962 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2019-01-12 14:54:25,963 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2019-01-12 14:54:25,963 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2019-01-12 14:54:25,965 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2019-01-12 14:54:25,966 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == \result) && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2019-01-12 14:54:26,044 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 14:54:26,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 14:54:26,048 INFO L168 Benchmark]: Toolchain (without parser) took 7330.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 951.3 MB in the beginning and 855.9 MB in the end (delta: 95.4 MB). Peak memory consumption was 256.9 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:26,049 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:54:26,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 850.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -196.0 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:26,051 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.82 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. [2019-01-12 14:54:26,052 INFO L168 Benchmark]: Boogie Preprocessor took 38.33 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 14:54:26,052 INFO L168 Benchmark]: RCFGBuilder took 1190.16 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:26,052 INFO L168 Benchmark]: TraceAbstraction took 5008.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 862.7 MB in the end (delta: 225.0 MB). Peak memory consumption was 225.0 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:26,053 INFO L168 Benchmark]: Witness Printer took 168.15 ms. Allocated memory is still 1.2 GB. Free memory was 862.7 MB in the beginning and 855.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:26,058 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 850.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -196.0 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.82 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 38.33 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 1190.16 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5008.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 862.7 MB in the end (delta: 225.0 MB). Peak memory consumption was 225.0 MB. Max. memory is 11.5 GB. * Witness Printer took 168.15 ms. Allocated memory is still 1.2 GB. Free memory was 862.7 MB in the beginning and 855.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == \result) && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. SAFE Result, 4.9s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 355 SDtfs, 690 SDslu, 511 SDs, 0 SdLazy, 125 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=4, 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 155 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 182 HoareAnnotationTreeSize, 32 FomulaSimplifications, 5542 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 255 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 8275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...