java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label02_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 01:25:50,633 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 01:25:50,636 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 01:25:50,654 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 01:25:50,654 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 01:25:50,655 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 01:25:50,656 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 01:25:50,658 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 01:25:50,660 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 01:25:50,661 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 01:25:50,662 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 01:25:50,662 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 01:25:50,663 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 01:25:50,664 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 01:25:50,665 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 01:25:50,666 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 01:25:50,667 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 01:25:50,669 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 01:25:50,671 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 01:25:50,673 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 01:25:50,674 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 01:25:50,675 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 01:25:50,678 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-25 01:25:50,678 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-25 01:25:50,678 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-25 01:25:50,679 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-25 01:25:50,680 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-25 01:25:50,681 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-25 01:25:50,682 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-25 01:25:50,683 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-25 01:25:50,683 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-25 01:25:50,684 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-25 01:25:50,687 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-25 01:25:50,702 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 01:25:50,703 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 01:25:50,703 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 01:25:50,704 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 01:25:50,704 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 01:25:50,704 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 01:25:50,704 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 01:25:50,704 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 01:25:50,705 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 01:25:50,705 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 01:25:50,705 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 01:25:50,705 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 01:25:50,705 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 01:25:50,706 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 01:25:50,706 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 01:25:50,706 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 01:25:50,707 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 01:25:50,707 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 01:25:50,707 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 01:25:50,707 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 01:25:50,707 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 01:25:50,708 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 01:25:50,708 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 01:25:50,708 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 01:25:50,708 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 01:25:50,709 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 01:25:50,709 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 01:25:50,709 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 01:25:50,709 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 01:25:50,709 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 01:25:50,710 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 01:25:50,710 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 01:25:50,710 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 01:25:50,710 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 01:25:50,710 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 01:25:50,711 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 01:25:50,782 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 01:25:50,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 01:25:50,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 01:25:50,799 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 01:25:50,800 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 01:25:50,801 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label02_true-unreach-call.c [2018-10-25 01:25:50,860 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e9a294b97/b16092dd01f4466ab544e0dc7f9b4601/FLAG11e49c164 [2018-10-25 01:25:51,512 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 01:25:51,514 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label02_true-unreach-call.c [2018-10-25 01:25:51,534 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e9a294b97/b16092dd01f4466ab544e0dc7f9b4601/FLAG11e49c164 [2018-10-25 01:25:51,555 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e9a294b97/b16092dd01f4466ab544e0dc7f9b4601 [2018-10-25 01:25:51,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 01:25:51,569 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 01:25:51,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 01:25:51,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 01:25:51,578 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 01:25:51,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 01:25:51" (1/1) ... [2018-10-25 01:25:51,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be2feca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:25:51, skipping insertion in model container [2018-10-25 01:25:51,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 01:25:51" (1/1) ... [2018-10-25 01:25:51,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 01:25:51,677 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 01:25:52,267 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 01:25:52,276 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 01:25:52,493 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 01:25:52,513 INFO L193 MainTranslator]: Completed translation [2018-10-25 01:25:52,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:25:52 WrapperNode [2018-10-25 01:25:52,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 01:25:52,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 01:25:52,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 01:25:52,516 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 01:25:52,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:25:52" (1/1) ... [2018-10-25 01:25:52,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:25:52" (1/1) ... [2018-10-25 01:25:52,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 01:25:52,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 01:25:52,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 01:25:52,794 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 01:25:52,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:25:52" (1/1) ... [2018-10-25 01:25:52,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:25:52" (1/1) ... [2018-10-25 01:25:52,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:25:52" (1/1) ... [2018-10-25 01:25:52,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:25:52" (1/1) ... [2018-10-25 01:25:52,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:25:52" (1/1) ... [2018-10-25 01:25:52,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:25:52" (1/1) ... [2018-10-25 01:25:52,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:25:52" (1/1) ... [2018-10-25 01:25:52,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 01:25:52,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 01:25:52,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 01:25:52,933 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 01:25:52,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:25:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-25 01:25:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 01:25:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 01:25:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 01:25:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 01:25:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 01:25:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 01:25:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 01:25:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 01:25:57,946 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 01:25:57,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:25:57 BoogieIcfgContainer [2018-10-25 01:25:57,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 01:25:57,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 01:25:57,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 01:25:57,952 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 01:25:57,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 01:25:51" (1/3) ... [2018-10-25 01:25:57,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aaa2d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 01:25:57, skipping insertion in model container [2018-10-25 01:25:57,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:25:52" (2/3) ... [2018-10-25 01:25:57,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aaa2d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 01:25:57, skipping insertion in model container [2018-10-25 01:25:57,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:25:57" (3/3) ... [2018-10-25 01:25:57,956 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label02_true-unreach-call.c [2018-10-25 01:25:57,967 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 01:25:57,977 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 01:25:57,995 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 01:25:58,035 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 01:25:58,036 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 01:25:58,036 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 01:25:58,036 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 01:25:58,036 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 01:25:58,036 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 01:25:58,037 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 01:25:58,037 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 01:25:58,068 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-10-25 01:25:58,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-25 01:25:58,085 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:25:58,086 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:25:58,089 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:25:58,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:25:58,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1008235991, now seen corresponding path program 1 times [2018-10-25 01:25:58,097 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:25:58,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:25:58,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:25:58,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:25:58,148 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:25:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:25:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:25:58,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:25:58,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-25 01:25:58,651 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:25:58,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-25 01:25:58,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-25 01:25:58,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 01:25:58,681 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-10-25 01:26:02,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:26:02,216 INFO L93 Difference]: Finished difference Result 985 states and 1761 transitions. [2018-10-25 01:26:02,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 01:26:02,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-10-25 01:26:02,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:26:02,243 INFO L225 Difference]: With dead ends: 985 [2018-10-25 01:26:02,244 INFO L226 Difference]: Without dead ends: 686 [2018-10-25 01:26:02,254 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 01:26:02,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2018-10-25 01:26:02,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2018-10-25 01:26:02,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2018-10-25 01:26:02,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1046 transitions. [2018-10-25 01:26:02,357 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1046 transitions. Word has length 61 [2018-10-25 01:26:02,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:26:02,358 INFO L481 AbstractCegarLoop]: Abstraction has 686 states and 1046 transitions. [2018-10-25 01:26:02,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-25 01:26:02,358 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1046 transitions. [2018-10-25 01:26:02,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-25 01:26:02,378 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:26:02,378 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:26:02,379 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:26:02,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:26:02,379 INFO L82 PathProgramCache]: Analyzing trace with hash 512006507, now seen corresponding path program 1 times [2018-10-25 01:26:02,379 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:26:02,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:26:02,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:26:02,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:26:02,385 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:26:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:26:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:26:02,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:26:02,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 01:26:02,910 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:26:02,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 01:26:02,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 01:26:02,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-25 01:26:02,913 INFO L87 Difference]: Start difference. First operand 686 states and 1046 transitions. Second operand 6 states. [2018-10-25 01:26:09,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:26:09,504 INFO L93 Difference]: Finished difference Result 2340 states and 3736 transitions. [2018-10-25 01:26:09,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 01:26:09,505 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2018-10-25 01:26:09,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:26:09,519 INFO L225 Difference]: With dead ends: 2340 [2018-10-25 01:26:09,519 INFO L226 Difference]: Without dead ends: 1660 [2018-10-25 01:26:09,524 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-25 01:26:09,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2018-10-25 01:26:09,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1641. [2018-10-25 01:26:09,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1641 states. [2018-10-25 01:26:09,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2355 transitions. [2018-10-25 01:26:09,628 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2355 transitions. Word has length 142 [2018-10-25 01:26:09,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:26:09,629 INFO L481 AbstractCegarLoop]: Abstraction has 1641 states and 2355 transitions. [2018-10-25 01:26:09,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 01:26:09,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2355 transitions. [2018-10-25 01:26:09,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-25 01:26:09,634 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:26:09,634 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:26:09,634 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:26:09,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:26:09,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1402056089, now seen corresponding path program 1 times [2018-10-25 01:26:09,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:26:09,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:26:09,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:26:09,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:26:09,637 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:26:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:26:09,862 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:26:09,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:26:09,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-25 01:26:09,863 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:26:09,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-25 01:26:09,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-25 01:26:09,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 01:26:09,864 INFO L87 Difference]: Start difference. First operand 1641 states and 2355 transitions. Second operand 4 states. [2018-10-25 01:26:12,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:26:12,646 INFO L93 Difference]: Finished difference Result 6235 states and 9307 transitions. [2018-10-25 01:26:12,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 01:26:12,650 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 156 [2018-10-25 01:26:12,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:26:12,684 INFO L225 Difference]: With dead ends: 6235 [2018-10-25 01:26:12,684 INFO L226 Difference]: Without dead ends: 4600 [2018-10-25 01:26:12,702 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 01:26:12,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4600 states. [2018-10-25 01:26:12,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4600 to 4575. [2018-10-25 01:26:12,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4575 states. [2018-10-25 01:26:12,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 6360 transitions. [2018-10-25 01:26:12,860 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 6360 transitions. Word has length 156 [2018-10-25 01:26:12,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:26:12,861 INFO L481 AbstractCegarLoop]: Abstraction has 4575 states and 6360 transitions. [2018-10-25 01:26:12,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-25 01:26:12,861 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 6360 transitions. [2018-10-25 01:26:12,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-25 01:26:12,866 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:26:12,866 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:26:12,867 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:26:12,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:26:12,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1808581075, now seen corresponding path program 1 times [2018-10-25 01:26:12,867 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:26:12,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:26:12,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:26:12,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:26:12,869 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:26:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:26:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:26:13,234 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:26:13,234 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 01:26:13,236 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-10-25 01:26:13,238 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-25 01:26:13,290 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 01:26:13,291 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 01:26:14,888 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 01:26:14,889 INFO L272 AbstractInterpreter]: Visited 140 different actions 406 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-25 01:26:14,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:26:14,935 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 01:26:14,935 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:26:14,935 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 01:26:14,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:26:14,952 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 01:26:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:26:15,073 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 01:26:15,270 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:26:15,270 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 01:26:15,755 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:26:15,789 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-25 01:26:15,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-10-25 01:26:15,790 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:26:15,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 01:26:15,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 01:26:15,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-10-25 01:26:15,792 INFO L87 Difference]: Start difference. First operand 4575 states and 6360 transitions. Second operand 3 states. [2018-10-25 01:26:18,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:26:18,420 INFO L93 Difference]: Finished difference Result 11273 states and 16210 transitions. [2018-10-25 01:26:18,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 01:26:18,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2018-10-25 01:26:18,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:26:18,465 INFO L225 Difference]: With dead ends: 11273 [2018-10-25 01:26:18,465 INFO L226 Difference]: Without dead ends: 6893 [2018-10-25 01:26:18,498 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 386 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-10-25 01:26:18,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6893 states. [2018-10-25 01:26:18,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6893 to 6699. [2018-10-25 01:26:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6699 states. [2018-10-25 01:26:18,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6699 states to 6699 states and 9059 transitions. [2018-10-25 01:26:18,708 INFO L78 Accepts]: Start accepts. Automaton has 6699 states and 9059 transitions. Word has length 193 [2018-10-25 01:26:18,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:26:18,709 INFO L481 AbstractCegarLoop]: Abstraction has 6699 states and 9059 transitions. [2018-10-25 01:26:18,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 01:26:18,709 INFO L276 IsEmpty]: Start isEmpty. Operand 6699 states and 9059 transitions. [2018-10-25 01:26:18,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-10-25 01:26:18,722 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:26:18,722 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:26:18,723 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:26:18,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:26:18,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1389847326, now seen corresponding path program 1 times [2018-10-25 01:26:18,723 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:26:18,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:26:18,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:26:18,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:26:18,725 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:26:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:26:20,058 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 158 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:26:20,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:26:20,059 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 01:26:20,059 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 299 with the following transitions: [2018-10-25 01:26:20,060 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-25 01:26:20,067 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 01:26:20,067 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 01:26:21,674 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 01:26:21,675 INFO L272 AbstractInterpreter]: Visited 141 different actions 560 times. Merged at 7 different actions 30 times. Widened at 1 different actions 2 times. Found 4 fixpoints after 3 different actions. Largest state had 28 variables. [2018-10-25 01:26:21,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:26:21,705 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 01:26:21,705 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:26:21,706 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 01:26:21,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:26:21,721 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 01:26:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:26:21,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 01:26:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-25 01:26:22,264 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 01:26:23,174 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 113 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:26:23,198 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 01:26:23,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 7, 8] total 24 [2018-10-25 01:26:23,198 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 01:26:23,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-25 01:26:23,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-25 01:26:23,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2018-10-25 01:26:23,200 INFO L87 Difference]: Start difference. First operand 6699 states and 9059 transitions. Second operand 19 states. [2018-10-25 01:26:23,439 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2018-10-25 01:26:34,142 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2018-10-25 01:26:51,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:26:51,094 INFO L93 Difference]: Finished difference Result 25193 states and 41301 transitions. [2018-10-25 01:26:51,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-10-25 01:26:51,095 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 298 [2018-10-25 01:26:51,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:26:51,217 INFO L225 Difference]: With dead ends: 25193 [2018-10-25 01:26:51,217 INFO L226 Difference]: Without dead ends: 17939 [2018-10-25 01:26:51,301 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 741 GetRequests, 607 SyntacticMatches, 3 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6383 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=2544, Invalid=15012, Unknown=0, NotChecked=0, Total=17556 [2018-10-25 01:26:51,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17939 states. [2018-10-25 01:26:51,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17939 to 16836. [2018-10-25 01:26:51,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16836 states. [2018-10-25 01:26:51,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16836 states to 16836 states and 21723 transitions. [2018-10-25 01:26:51,872 INFO L78 Accepts]: Start accepts. Automaton has 16836 states and 21723 transitions. Word has length 298 [2018-10-25 01:26:51,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:26:51,873 INFO L481 AbstractCegarLoop]: Abstraction has 16836 states and 21723 transitions. [2018-10-25 01:26:51,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-25 01:26:51,873 INFO L276 IsEmpty]: Start isEmpty. Operand 16836 states and 21723 transitions. [2018-10-25 01:26:51,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2018-10-25 01:26:51,920 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:26:51,921 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:26:51,921 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:26:51,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:26:51,922 INFO L82 PathProgramCache]: Analyzing trace with hash 391462463, now seen corresponding path program 1 times [2018-10-25 01:26:51,922 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:26:51,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:26:51,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:26:51,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:26:51,923 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:26:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:26:52,831 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 168 proven. 206 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-10-25 01:26:52,831 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:26:52,831 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 01:26:52,831 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 407 with the following transitions: [2018-10-25 01:26:52,832 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-25 01:26:52,839 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 01:26:52,840 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 01:26:54,619 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 01:26:54,620 INFO L272 AbstractInterpreter]: Visited 142 different actions 706 times. Merged at 8 different actions 41 times. Never widened. Found 9 fixpoints after 2 different actions. Largest state had 28 variables. [2018-10-25 01:26:54,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:26:54,659 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 01:26:54,659 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:26:54,660 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 01:26:54,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:26:54,675 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 01:26:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:26:54,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 01:26:57,686 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 13 [2018-10-25 01:26:57,849 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 318 proven. 107 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-25 01:26:57,849 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 01:26:58,334 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 273 proven. 104 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-10-25 01:26:58,355 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 01:26:58,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 5] total 12 [2018-10-25 01:26:58,356 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 01:26:58,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-25 01:26:58,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-25 01:26:58,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=96, Unknown=2, NotChecked=0, Total=132 [2018-10-25 01:26:58,358 INFO L87 Difference]: Start difference. First operand 16836 states and 21723 transitions. Second operand 10 states. [2018-10-25 01:27:03,504 WARN L179 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-25 01:29:07,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:29:07,705 INFO L93 Difference]: Finished difference Result 49508 states and 72757 transitions. [2018-10-25 01:29:07,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-25 01:29:07,706 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 406 [2018-10-25 01:29:07,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:29:07,926 INFO L225 Difference]: With dead ends: 49508 [2018-10-25 01:29:07,926 INFO L226 Difference]: Without dead ends: 33059 [2018-10-25 01:29:08,016 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 854 GetRequests, 823 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=210, Invalid=589, Unknown=13, NotChecked=0, Total=812 [2018-10-25 01:29:08,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33059 states. [2018-10-25 01:29:08,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33059 to 32387. [2018-10-25 01:29:08,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32387 states. [2018-10-25 01:29:09,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32387 states to 32387 states and 43772 transitions. [2018-10-25 01:29:09,019 INFO L78 Accepts]: Start accepts. Automaton has 32387 states and 43772 transitions. Word has length 406 [2018-10-25 01:29:09,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:29:09,020 INFO L481 AbstractCegarLoop]: Abstraction has 32387 states and 43772 transitions. [2018-10-25 01:29:09,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-25 01:29:09,020 INFO L276 IsEmpty]: Start isEmpty. Operand 32387 states and 43772 transitions. [2018-10-25 01:29:09,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2018-10-25 01:29:09,159 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:29:09,160 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:29:09,160 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:29:09,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:29:09,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1251224200, now seen corresponding path program 1 times [2018-10-25 01:29:09,161 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:29:09,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:29:09,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:29:09,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:29:09,162 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:29:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:29:09,706 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 227 proven. 382 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-10-25 01:29:09,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:29:09,707 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 01:29:09,707 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 508 with the following transitions: [2018-10-25 01:29:09,707 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [811], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-25 01:29:09,713 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 01:29:09,713 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 01:29:12,093 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 01:29:12,093 INFO L272 AbstractInterpreter]: Visited 148 different actions 753 times. Merged at 9 different actions 59 times. Widened at 1 different actions 7 times. Found 11 fixpoints after 3 different actions. Largest state had 28 variables. [2018-10-25 01:29:12,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:29:12,133 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 01:29:12,133 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:29:12,133 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 01:29:12,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:29:12,144 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 01:29:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:29:12,300 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 01:29:12,617 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 517 proven. 2 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-10-25 01:29:12,618 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 01:29:14,335 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 517 proven. 2 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-10-25 01:29:14,357 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 01:29:14,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2018-10-25 01:29:14,357 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 01:29:14,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-25 01:29:14,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-25 01:29:14,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-10-25 01:29:14,359 INFO L87 Difference]: Start difference. First operand 32387 states and 43772 transitions. Second operand 10 states. [2018-10-25 01:29:24,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:29:24,025 INFO L93 Difference]: Finished difference Result 73708 states and 103252 transitions. [2018-10-25 01:29:24,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-10-25 01:29:24,030 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 507 [2018-10-25 01:29:24,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:29:24,237 INFO L225 Difference]: With dead ends: 73708 [2018-10-25 01:29:24,237 INFO L226 Difference]: Without dead ends: 41710 [2018-10-25 01:29:24,441 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1089 GetRequests, 1043 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=396, Invalid=1766, Unknown=0, NotChecked=0, Total=2162 [2018-10-25 01:29:24,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41710 states. [2018-10-25 01:29:25,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41710 to 41490. [2018-10-25 01:29:25,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41490 states. [2018-10-25 01:29:26,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41490 states to 41490 states and 55498 transitions. [2018-10-25 01:29:26,065 INFO L78 Accepts]: Start accepts. Automaton has 41490 states and 55498 transitions. Word has length 507 [2018-10-25 01:29:26,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:29:26,066 INFO L481 AbstractCegarLoop]: Abstraction has 41490 states and 55498 transitions. [2018-10-25 01:29:26,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-25 01:29:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand 41490 states and 55498 transitions. [2018-10-25 01:29:26,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2018-10-25 01:29:26,183 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:29:26,184 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:29:26,184 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:29:26,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:29:26,185 INFO L82 PathProgramCache]: Analyzing trace with hash -635554679, now seen corresponding path program 1 times [2018-10-25 01:29:26,185 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:29:26,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:29:26,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:29:26,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:29:26,186 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:29:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:29:27,697 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 394 proven. 294 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-10-25 01:29:27,698 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:29:27,698 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 01:29:27,698 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 519 with the following transitions: [2018-10-25 01:29:27,698 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [803], [807], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-25 01:29:27,702 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 01:29:27,703 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 01:29:29,526 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 01:29:29,526 INFO L272 AbstractInterpreter]: Visited 149 different actions 909 times. Merged at 9 different actions 76 times. Widened at 1 different actions 11 times. Found 14 fixpoints after 3 different actions. Largest state had 28 variables. [2018-10-25 01:29:29,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:29:29,567 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 01:29:29,568 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:29:29,568 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 01:29:30,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:29:30,073 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 01:29:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:29:30,235 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 01:29:30,834 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 517 proven. 2 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2018-10-25 01:29:30,835 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 01:29:31,588 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 517 proven. 2 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2018-10-25 01:29:31,609 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 01:29:31,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6, 6] total 21 [2018-10-25 01:29:31,610 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 01:29:31,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-25 01:29:31,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-25 01:29:31,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2018-10-25 01:29:31,612 INFO L87 Difference]: Start difference. First operand 41490 states and 55498 transitions. Second operand 19 states. [2018-10-25 01:29:33,975 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-10-25 01:29:40,876 WARN L179 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-25 01:29:53,027 WARN L179 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 19 Received shutdown request... [2018-10-25 01:29:55,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-10-25 01:29:55,822 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-25 01:29:55,828 WARN L205 ceAbstractionStarter]: Timeout [2018-10-25 01:29:55,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 01:29:55 BoogieIcfgContainer [2018-10-25 01:29:55,829 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 01:29:55,830 INFO L168 Benchmark]: Toolchain (without parser) took 244262.10 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -477.0 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-10-25 01:29:55,831 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 01:29:55,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 944.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-10-25 01:29:55,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 277.80 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -854.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2018-10-25 01:29:55,833 INFO L168 Benchmark]: Boogie Preprocessor took 139.59 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 01:29:55,834 INFO L168 Benchmark]: RCFGBuilder took 5014.20 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 196.4 MB). Peak memory consumption was 196.4 MB. Max. memory is 7.1 GB. [2018-10-25 01:29:55,834 INFO L168 Benchmark]: TraceAbstraction took 237880.73 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 117.3 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-25 01:29:55,839 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 944.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 277.80 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -854.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.59 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 5014.20 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 196.4 MB). Peak memory consumption was 196.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 237880.73 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 117.3 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 168]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 168). Cancelled while BasicCegarLoop was constructing difference of abstraction (41490states) and FLOYD_HOARE automaton (currently 85 states, 19 states before enhancement),while ReachableStatesComputation was computing reachable states (97740 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 237.8s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 207.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1786 SDtfs, 32978 SDslu, 3440 SDs, 0 SdLazy, 40518 SolverSat, 13281 SolverUnsat, 73 SolverUnknown, 0 SolverNotchecked, 170.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4290 GetRequests, 3961 SyntacticMatches, 12 SemanticMatches, 317 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10562 ImplicationChecksByTransitivity, 29.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41490occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 9.4s AbstIntTime, 5 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 7 MinimizatonAttempts, 2233 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 13.1s InterpolantComputationTime, 4203 NumberOfCodeBlocks, 4203 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 6107 ConstructedInterpolants, 3 QuantifiedInterpolants, 12450159 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3127 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 18 InterpolantComputations, 5 PerfectInterpolantSequences, 5939/7203 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown