./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa 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_product13_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 44f1ef45a377efa065428e9ab52d4697ba35b901 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 09:49:15,690 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:49:15,692 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:49:15,709 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:49:15,709 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:49:15,711 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:49:15,713 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:49:15,716 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:49:15,719 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:49:15,720 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:49:15,720 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:49:15,728 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:49:15,729 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:49:15,730 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:49:15,733 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:49:15,734 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:49:15,735 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:49:15,736 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:49:15,742 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:49:15,743 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:49:15,748 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:49:15,752 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:49:15,756 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:49:15,756 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:49:15,756 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:49:15,759 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:49:15,761 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:49:15,761 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:49:15,762 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:49:15,763 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:49:15,764 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:49:15,764 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:49:15,764 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:49:15,764 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:49:15,767 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:49:15,768 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:49:15,768 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:49:15,791 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:49:15,791 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:49:15,792 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:49:15,792 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:49:15,793 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:49:15,793 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:49:15,793 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:49:15,794 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:49:15,794 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:49:15,794 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:49:15,794 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:49:15,794 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:49:15,794 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:49:15,795 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:49:15,795 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:49:15,795 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:49:15,795 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:49:15,795 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:49:15,796 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:49:15,797 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:49:15,797 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:49:15,798 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:49:15,798 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:49:15,798 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:49:15,798 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:49:15,798 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:49:15,798 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:49:15,799 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:49:15,800 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 -> 44f1ef45a377efa065428e9ab52d4697ba35b901 [2018-12-31 09:49:15,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:49:15,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:49:15,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:49:15,859 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:49:15,859 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:49:15,860 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:15,921 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32435ff6a/6486c4c8afc74cfbb4b907ef064ec206/FLAG191290ad5 [2018-12-31 09:49:16,379 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:49:16,380 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:16,401 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32435ff6a/6486c4c8afc74cfbb4b907ef064ec206/FLAG191290ad5 [2018-12-31 09:49:16,689 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32435ff6a/6486c4c8afc74cfbb4b907ef064ec206 [2018-12-31 09:49:16,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:49:16,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:49:16,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:49:16,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:49:16,701 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:49:16,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:49:16" (1/1) ... [2018-12-31 09:49:16,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b2078f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:16, skipping insertion in model container [2018-12-31 09:49:16,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:49:16" (1/1) ... [2018-12-31 09:49:16,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:49:16,777 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:49:17,088 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:49:17,109 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:49:17,220 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:49:17,344 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:49:17,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:17 WrapperNode [2018-12-31 09:49:17,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:49:17,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:49:17,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:49:17,346 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:49:17,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:17" (1/1) ... [2018-12-31 09:49:17,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:17" (1/1) ... [2018-12-31 09:49:17,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:49:17,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:49:17,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:49:17,446 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:49:17,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:17" (1/1) ... [2018-12-31 09:49:17,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:17" (1/1) ... [2018-12-31 09:49:17,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:17" (1/1) ... [2018-12-31 09:49:17,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:17" (1/1) ... [2018-12-31 09:49:17,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:17" (1/1) ... [2018-12-31 09:49:17,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:17" (1/1) ... [2018-12-31 09:49:17,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:17" (1/1) ... [2018-12-31 09:49:17,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:49:17,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:49:17,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:49:17,510 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:49:17,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:17" (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 [2018-12-31 09:49:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:49:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:49:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:49:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:49:18,637 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:49:18,637 INFO L280 CfgBuilder]: Removed 96 assue(true) statements. [2018-12-31 09:49:18,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:18 BoogieIcfgContainer [2018-12-31 09:49:18,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:49:18,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:49:18,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:49:18,642 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:49:18,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:49:16" (1/3) ... [2018-12-31 09:49:18,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d9a0882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:49:18, skipping insertion in model container [2018-12-31 09:49:18,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:17" (2/3) ... [2018-12-31 09:49:18,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d9a0882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:49:18, skipping insertion in model container [2018-12-31 09:49:18,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:18" (3/3) ... [2018-12-31 09:49:18,647 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:18,658 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:49:18,669 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:49:18,687 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:49:18,718 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:49:18,718 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:49:18,719 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:49:18,719 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:49:18,719 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:49:18,719 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:49:18,719 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:49:18,720 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:49:18,720 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:49:18,735 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2018-12-31 09:49:18,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 09:49:18,743 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:18,744 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:18,746 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:18,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:18,752 INFO L82 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2018-12-31 09:49:18,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:18,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:18,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:18,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:18,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:19,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:19,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:19,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:49:19,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:49:19,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:49:19,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:49:19,051 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2018-12-31 09:49:19,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:19,077 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2018-12-31 09:49:19,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:49:19,078 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-12-31 09:49:19,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:19,092 INFO L225 Difference]: With dead ends: 132 [2018-12-31 09:49:19,092 INFO L226 Difference]: Without dead ends: 65 [2018-12-31 09:49:19,096 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 [2018-12-31 09:49:19,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-12-31 09:49:19,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-12-31 09:49:19,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-31 09:49:19,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2018-12-31 09:49:19,141 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2018-12-31 09:49:19,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:19,141 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2018-12-31 09:49:19,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:49:19,142 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2018-12-31 09:49:19,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-31 09:49:19,143 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:19,143 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:19,143 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:19,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:19,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2018-12-31 09:49:19,144 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:19,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:19,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:19,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:19,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:19,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:19,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:19,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:49:19,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:19,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:19,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:19,375 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2018-12-31 09:49:19,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:19,391 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2018-12-31 09:49:19,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:19,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-12-31 09:49:19,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:19,393 INFO L225 Difference]: With dead ends: 65 [2018-12-31 09:49:19,394 INFO L226 Difference]: Without dead ends: 31 [2018-12-31 09:49:19,395 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 [2018-12-31 09:49:19,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-31 09:49:19,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-31 09:49:19,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-31 09:49:19,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2018-12-31 09:49:19,402 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2018-12-31 09:49:19,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:19,402 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2018-12-31 09:49:19,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2018-12-31 09:49:19,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-31 09:49:19,404 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:19,404 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] [2018-12-31 09:49:19,404 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:19,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:19,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2018-12-31 09:49:19,406 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:19,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:19,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:19,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:19,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:19,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:19,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:19,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:49:19,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:19,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:19,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:19,546 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2018-12-31 09:49:19,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:19,565 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2018-12-31 09:49:19,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:19,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-12-31 09:49:19,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:19,567 INFO L225 Difference]: With dead ends: 56 [2018-12-31 09:49:19,567 INFO L226 Difference]: Without dead ends: 31 [2018-12-31 09:49:19,568 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 [2018-12-31 09:49:19,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-31 09:49:19,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-31 09:49:19,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-31 09:49:19,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2018-12-31 09:49:19,573 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2018-12-31 09:49:19,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:19,574 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2018-12-31 09:49:19,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:19,574 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2018-12-31 09:49:19,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-31 09:49:19,575 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:19,575 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] [2018-12-31 09:49:19,575 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:19,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:19,576 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2018-12-31 09:49:19,576 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:19,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:19,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:19,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:19,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:19,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:19,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:49:19,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:49:19,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:49:19,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:49:19,726 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 6 states. [2018-12-31 09:49:20,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:20,581 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2018-12-31 09:49:20,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-31 09:49:20,582 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-31 09:49:20,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:20,585 INFO L225 Difference]: With dead ends: 178 [2018-12-31 09:49:20,585 INFO L226 Difference]: Without dead ends: 153 [2018-12-31 09:49:20,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2018-12-31 09:49:20,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-12-31 09:49:20,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 51. [2018-12-31 09:49:20,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-31 09:49:20,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 71 transitions. [2018-12-31 09:49:20,601 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 71 transitions. Word has length 23 [2018-12-31 09:49:20,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:20,603 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 71 transitions. [2018-12-31 09:49:20,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:49:20,603 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2018-12-31 09:49:20,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:49:20,605 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:20,605 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] [2018-12-31 09:49:20,605 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:20,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:20,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1803921405, now seen corresponding path program 1 times [2018-12-31 09:49:20,606 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:20,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:20,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:20,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:20,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:20,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:20,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:20,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:49:20,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:49:20,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:49:20,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:49:20,807 INFO L87 Difference]: Start difference. First operand 51 states and 71 transitions. Second operand 5 states. [2018-12-31 09:49:21,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:21,032 INFO L93 Difference]: Finished difference Result 144 states and 211 transitions. [2018-12-31 09:49:21,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:49:21,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-12-31 09:49:21,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:21,037 INFO L225 Difference]: With dead ends: 144 [2018-12-31 09:49:21,037 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:49:21,039 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:49:21,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:49:21,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:49:21,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:49:21,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:49:21,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-12-31 09:49:21,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:21,041 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:49:21,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:49:21,044 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:49:21,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:49:21,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:49:21,437 WARN L181 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-12-31 09:49:21,823 INFO L448 ceAbstractionStarter]: For program point L514-2(lines 514 520) no Hoare annotation was computed. [2018-12-31 09:49:21,823 INFO L448 ceAbstractionStarter]: For program point L514-4(lines 514 520) no Hoare annotation was computed. [2018-12-31 09:49:21,823 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 832) no Hoare annotation was computed. [2018-12-31 09:49:21,824 INFO L448 ceAbstractionStarter]: For program point L828-2(lines 639 645) no Hoare annotation was computed. [2018-12-31 09:49:21,824 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-12-31 09:49:21,824 INFO L448 ceAbstractionStarter]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2018-12-31 09:49:21,824 INFO L448 ceAbstractionStarter]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2018-12-31 09:49:21,824 INFO L448 ceAbstractionStarter]: For program point L812(lines 812 818) no Hoare annotation was computed. [2018-12-31 09:49:21,825 INFO L444 ceAbstractionStarter]: At program point L812-1(lines 812 818) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:21,825 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:49:21,825 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2018-12-31 09:49:21,825 INFO L448 ceAbstractionStarter]: For program point L616(lines 616 623) no Hoare annotation was computed. [2018-12-31 09:49:21,825 INFO L451 ceAbstractionStarter]: At program point L616-1(lines 616 623) the Hoare annotation is: true [2018-12-31 09:49:21,826 INFO L444 ceAbstractionStarter]: At program point L732(lines 725 735) the Hoare annotation is: false [2018-12-31 09:49:21,826 INFO L444 ceAbstractionStarter]: At program point L732-1(lines 725 735) the Hoare annotation is: false [2018-12-31 09:49:21,826 INFO L444 ceAbstractionStarter]: At program point L732-2(lines 725 735) the Hoare annotation is: false [2018-12-31 09:49:21,826 INFO L444 ceAbstractionStarter]: At program point L121(lines 116 124) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:21,826 INFO L444 ceAbstractionStarter]: At program point L121-1(lines 116 124) the Hoare annotation is: false [2018-12-31 09:49:21,826 INFO L444 ceAbstractionStarter]: At program point L121-2(lines 116 124) the Hoare annotation is: false [2018-12-31 09:49:21,827 INFO L444 ceAbstractionStarter]: At program point L89(lines 84 92) the Hoare annotation is: false [2018-12-31 09:49:21,827 INFO L444 ceAbstractionStarter]: At program point L89-1(lines 84 92) the Hoare annotation is: false [2018-12-31 09:49:21,827 INFO L444 ceAbstractionStarter]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2018-12-31 09:49:21,827 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:49:21,827 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2018-12-31 09:49:21,827 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 808) no Hoare annotation was computed. [2018-12-31 09:49:21,828 INFO L444 ceAbstractionStarter]: At program point L802-1(lines 802 808) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:21,828 INFO L448 ceAbstractionStarter]: For program point L76(lines 76 80) no Hoare annotation was computed. [2018-12-31 09:49:21,828 INFO L444 ceAbstractionStarter]: At program point L869(lines 1 880) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~systemActive~0 ~waterLevel~0)) [2018-12-31 09:49:21,828 INFO L448 ceAbstractionStarter]: For program point L671(lines 671 688) no Hoare annotation was computed. [2018-12-31 09:49:21,828 INFO L448 ceAbstractionStarter]: For program point L671-1(lines 671 688) no Hoare annotation was computed. [2018-12-31 09:49:21,828 INFO L448 ceAbstractionStarter]: For program point L671-2(lines 671 688) no Hoare annotation was computed. [2018-12-31 09:49:21,829 INFO L444 ceAbstractionStarter]: At program point L589(lines 585 591) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~systemActive~0 ~waterLevel~0)) [2018-12-31 09:49:21,829 INFO L444 ceAbstractionStarter]: At program point L639(lines 638 657) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:21,829 INFO L448 ceAbstractionStarter]: For program point L639-1(lines 639 645) no Hoare annotation was computed. [2018-12-31 09:49:21,829 INFO L444 ceAbstractionStarter]: At program point L639-2(lines 638 657) the Hoare annotation is: false [2018-12-31 09:49:21,829 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:49:21,829 INFO L444 ceAbstractionStarter]: At program point L639-3(lines 638 657) the Hoare annotation is: false [2018-12-31 09:49:21,830 INFO L444 ceAbstractionStarter]: At program point L540-2(lines 540 554) the Hoare annotation is: false [2018-12-31 09:49:21,830 INFO L444 ceAbstractionStarter]: At program point L838(lines 791 839) the Hoare annotation is: false [2018-12-31 09:49:21,830 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-31 09:49:21,830 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 833) no Hoare annotation was computed. [2018-12-31 09:49:21,830 INFO L451 ceAbstractionStarter]: At program point L625(lines 606 628) the Hoare annotation is: true [2018-12-31 09:49:21,830 INFO L444 ceAbstractionStarter]: At program point L741(lines 736 744) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:21,831 INFO L444 ceAbstractionStarter]: At program point L741-1(lines 736 744) the Hoare annotation is: false [2018-12-31 09:49:21,831 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 683) no Hoare annotation was computed. [2018-12-31 09:49:21,831 INFO L444 ceAbstractionStarter]: At program point L741-2(lines 736 744) the Hoare annotation is: false [2018-12-31 09:49:21,831 INFO L448 ceAbstractionStarter]: For program point L675-1(lines 675 683) no Hoare annotation was computed. [2018-12-31 09:49:21,831 INFO L448 ceAbstractionStarter]: For program point L675-2(lines 675 683) no Hoare annotation was computed. [2018-12-31 09:49:21,831 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-12-31 09:49:21,832 INFO L448 ceAbstractionStarter]: For program point L510(lines 510 523) no Hoare annotation was computed. [2018-12-31 09:49:21,832 INFO L444 ceAbstractionStarter]: At program point L510-1(lines 1 880) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:21,832 INFO L448 ceAbstractionStarter]: For program point L510-2(lines 510 523) no Hoare annotation was computed. [2018-12-31 09:49:21,832 INFO L444 ceAbstractionStarter]: At program point L510-3(lines 1 880) the Hoare annotation is: false [2018-12-31 09:49:21,832 INFO L448 ceAbstractionStarter]: For program point L510-4(lines 510 523) no Hoare annotation was computed. [2018-12-31 09:49:21,832 INFO L444 ceAbstractionStarter]: At program point L510-5(lines 1 880) the Hoare annotation is: false [2018-12-31 09:49:21,833 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2018-12-31 09:49:21,833 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 548) no Hoare annotation was computed. [2018-12-31 09:49:21,833 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:49:21,833 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 639 645) no Hoare annotation was computed. [2018-12-31 09:49:21,833 INFO L448 ceAbstractionStarter]: For program point L793(lines 792 837) no Hoare annotation was computed. [2018-12-31 09:49:21,833 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-31 09:49:21,834 INFO L448 ceAbstractionStarter]: For program point L496-1(line 496) no Hoare annotation was computed. [2018-12-31 09:49:21,834 INFO L448 ceAbstractionStarter]: For program point L496-2(line 496) no Hoare annotation was computed. [2018-12-31 09:49:21,834 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 798) no Hoare annotation was computed. [2018-12-31 09:49:21,834 INFO L444 ceAbstractionStarter]: At program point L877(lines 872 880) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~systemActive~0 ~waterLevel~0)) [2018-12-31 09:49:21,834 INFO L444 ceAbstractionStarter]: At program point L646(lines 646 652) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:21,835 INFO L444 ceAbstractionStarter]: At program point L646-1(lines 646 652) the Hoare annotation is: false [2018-12-31 09:49:21,835 INFO L444 ceAbstractionStarter]: At program point L646-2(lines 646 652) the Hoare annotation is: false [2018-12-31 09:49:21,835 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 520) no Hoare annotation was computed. [2018-12-31 09:49:21,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:49:21 BoogieIcfgContainer [2018-12-31 09:49:21,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:49:21,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:49:21,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:49:21,866 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:49:21,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:18" (3/4) ... [2018-12-31 09:49:21,872 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:49:21,894 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:49:21,895 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-31 09:49:21,896 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-31 09:49:21,897 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:49:21,898 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:49:21,899 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:49:21,934 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1 [2018-12-31 09:49:22,001 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:49:22,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:49:22,002 INFO L168 Benchmark]: Toolchain (without parser) took 5309.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 951.4 MB in the beginning and 939.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 163.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:22,004 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-31 09:49:22,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -193.9 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:22,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.62 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:22,005 INFO L168 Benchmark]: Boogie Preprocessor took 63.68 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. [2018-12-31 09:49:22,005 INFO L168 Benchmark]: RCFGBuilder took 1128.56 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: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:22,007 INFO L168 Benchmark]: TraceAbstraction took 3225.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.2 MB in the end (delta: 133.6 MB). Peak memory consumption was 133.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:22,008 INFO L168 Benchmark]: Witness Printer took 136.32 ms. Allocated memory is still 1.2 GB. Free memory was 946.2 MB in the beginning and 939.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:22,011 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 650.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -193.9 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.62 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.68 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 1128.56 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: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3225.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.2 MB in the end (delta: 133.6 MB). Peak memory consumption was 133.6 MB. Max. memory is 11.5 GB. * Witness Printer took 136.32 ms. Allocated memory is still 1.2 GB. Free memory was 946.2 MB in the beginning and 939.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: ((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. SAFE Result, 3.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 283 SDtfs, 352 SDslu, 369 SDs, 0 SdLazy, 87 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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, 5 MinimizatonAttempts, 102 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 66 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1724 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 92 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...