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.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label26_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 22:02:33,636 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 22:02:33,638 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 22:02:33,650 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 22:02:33,651 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 22:02:33,652 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 22:02:33,653 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 22:02:33,655 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 22:02:33,656 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 22:02:33,657 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 22:02:33,658 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 22:02:33,658 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 22:02:33,659 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 22:02:33,660 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 22:02:33,662 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 22:02:33,662 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 22:02:33,663 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 22:02:33,667 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 22:02:33,669 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 22:02:33,674 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 22:02:33,677 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 22:02:33,679 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 22:02:33,682 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 22:02:33,690 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-23 22:02:33,705 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 22:02:33,706 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 22:02:33,706 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 22:02:33,707 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 22:02:33,707 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 22:02:33,707 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 22:02:33,707 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 22:02:33,707 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 22:02:33,708 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 22:02:33,708 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 22:02:33,708 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 22:02:33,708 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 22:02:33,709 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 22:02:33,709 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 22:02:33,709 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 22:02:33,710 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 22:02:33,710 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 22:02:33,710 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 22:02:33,710 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 22:02:33,710 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 22:02:33,711 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 22:02:33,711 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 22:02:33,711 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 22:02:33,711 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 22:02:33,711 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 22:02:33,712 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 22:02:33,712 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 22:02:33,712 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 22:02:33,712 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 22:02:33,712 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 22:02:33,712 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 22:02:33,713 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 22:02:33,713 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 22:02:33,713 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 22:02:33,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 22:02:33,783 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 22:02:33,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 22:02:33,789 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 22:02:33,789 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 22:02:33,790 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label26_false-unreach-call.c [2018-10-23 22:02:33,858 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6fd9c8b21/e992033d8c04417eab52b4c5fb799bea/FLAG503c5e84a [2018-10-23 22:02:34,457 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 22:02:34,458 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label26_false-unreach-call.c [2018-10-23 22:02:34,471 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6fd9c8b21/e992033d8c04417eab52b4c5fb799bea/FLAG503c5e84a [2018-10-23 22:02:34,487 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6fd9c8b21/e992033d8c04417eab52b4c5fb799bea [2018-10-23 22:02:34,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 22:02:34,500 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 22:02:34,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 22:02:34,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 22:02:34,506 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 22:02:34,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:02:34" (1/1) ... [2018-10-23 22:02:34,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3772c2af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:02:34, skipping insertion in model container [2018-10-23 22:02:34,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:02:34" (1/1) ... [2018-10-23 22:02:34,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 22:02:34,583 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 22:02:35,032 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 22:02:35,041 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 22:02:35,159 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 22:02:35,181 INFO L193 MainTranslator]: Completed translation [2018-10-23 22:02:35,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:02:35 WrapperNode [2018-10-23 22:02:35,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 22:02:35,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 22:02:35,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 22:02:35,183 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 22:02:35,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:02:35" (1/1) ... [2018-10-23 22:02:35,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:02:35" (1/1) ... [2018-10-23 22:02:35,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 22:02:35,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 22:02:35,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 22:02:35,385 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 22:02:35,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:02:35" (1/1) ... [2018-10-23 22:02:35,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:02:35" (1/1) ... [2018-10-23 22:02:35,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:02:35" (1/1) ... [2018-10-23 22:02:35,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:02:35" (1/1) ... [2018-10-23 22:02:35,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:02:35" (1/1) ... [2018-10-23 22:02:35,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:02:35" (1/1) ... [2018-10-23 22:02:35,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:02:35" (1/1) ... [2018-10-23 22:02:35,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 22:02:35,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 22:02:35,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 22:02:35,505 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 22:02:35,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:02:35" (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 [2018-10-23 22:02:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 22:02:35,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 22:02:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-23 22:02:35,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-23 22:02:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 22:02:35,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 22:02:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 22:02:35,590 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 22:02:38,853 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 22:02:38,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:02:38 BoogieIcfgContainer [2018-10-23 22:02:38,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 22:02:38,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 22:02:38,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 22:02:38,861 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 22:02:38,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:02:34" (1/3) ... [2018-10-23 22:02:38,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448cc489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:02:38, skipping insertion in model container [2018-10-23 22:02:38,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:02:35" (2/3) ... [2018-10-23 22:02:38,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448cc489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:02:38, skipping insertion in model container [2018-10-23 22:02:38,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:02:38" (3/3) ... [2018-10-23 22:02:38,868 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label26_false-unreach-call.c [2018-10-23 22:02:38,878 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 22:02:38,886 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 22:02:38,904 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 22:02:38,944 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 22:02:38,944 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 22:02:38,944 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 22:02:38,944 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 22:02:38,945 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 22:02:38,945 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 22:02:38,945 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 22:02:38,945 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 22:02:38,971 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-10-23 22:02:38,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-23 22:02:38,979 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:02:38,980 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] [2018-10-23 22:02:38,983 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:02:38,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:02:38,990 INFO L82 PathProgramCache]: Analyzing trace with hash 937477233, now seen corresponding path program 1 times [2018-10-23 22:02:38,993 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:02:39,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:02:39,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:02:39,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:02:39,046 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:02:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:02:39,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:02:39,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:02:39,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 22:02:39,397 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:02:39,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 22:02:39,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 22:02:39,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 22:02:39,426 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2018-10-23 22:02:42,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:02:42,390 INFO L93 Difference]: Finished difference Result 737 states and 1298 transitions. [2018-10-23 22:02:42,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 22:02:42,394 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-10-23 22:02:42,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:02:42,426 INFO L225 Difference]: With dead ends: 737 [2018-10-23 22:02:42,426 INFO L226 Difference]: Without dead ends: 515 [2018-10-23 22:02:42,436 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 [2018-10-23 22:02:42,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2018-10-23 22:02:42,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2018-10-23 22:02:42,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-10-23 22:02:42,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 848 transitions. [2018-10-23 22:02:42,540 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 848 transitions. Word has length 23 [2018-10-23 22:02:42,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:02:42,541 INFO L481 AbstractCegarLoop]: Abstraction has 515 states and 848 transitions. [2018-10-23 22:02:42,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 22:02:42,542 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 848 transitions. [2018-10-23 22:02:42,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-23 22:02:42,548 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:02:42,549 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 22:02:42,549 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:02:42,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:02:42,550 INFO L82 PathProgramCache]: Analyzing trace with hash 190361739, now seen corresponding path program 1 times [2018-10-23 22:02:42,550 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:02:42,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:02:42,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:02:42,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:02:42,552 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:02:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:02:42,972 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:02:42,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:02:42,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 22:02:42,973 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:02:42,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 22:02:42,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 22:02:42,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 22:02:42,976 INFO L87 Difference]: Start difference. First operand 515 states and 848 transitions. Second operand 6 states. [2018-10-23 22:02:45,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:02:45,779 INFO L93 Difference]: Finished difference Result 1863 states and 3251 transitions. [2018-10-23 22:02:45,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:02:45,780 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-10-23 22:02:45,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:02:45,796 INFO L225 Difference]: With dead ends: 1863 [2018-10-23 22:02:45,796 INFO L226 Difference]: Without dead ends: 1354 [2018-10-23 22:02:45,804 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-23 22:02:45,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2018-10-23 22:02:45,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1331. [2018-10-23 22:02:45,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1331 states. [2018-10-23 22:02:45,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 2051 transitions. [2018-10-23 22:02:45,910 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 2051 transitions. Word has length 98 [2018-10-23 22:02:45,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:02:45,911 INFO L481 AbstractCegarLoop]: Abstraction has 1331 states and 2051 transitions. [2018-10-23 22:02:45,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 22:02:45,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 2051 transitions. [2018-10-23 22:02:45,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-23 22:02:45,914 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:02:45,915 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 22:02:45,915 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:02:45,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:02:45,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1323817903, now seen corresponding path program 1 times [2018-10-23 22:02:45,916 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:02:45,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:02:45,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:02:45,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:02:45,918 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:02:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:02:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:02:46,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:02:46,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 22:02:46,208 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:02:46,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 22:02:46,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 22:02:46,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 22:02:46,210 INFO L87 Difference]: Start difference. First operand 1331 states and 2051 transitions. Second operand 6 states. [2018-10-23 22:02:50,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:02:50,073 INFO L93 Difference]: Finished difference Result 3507 states and 5683 transitions. [2018-10-23 22:02:50,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:02:50,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2018-10-23 22:02:50,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:02:50,088 INFO L225 Difference]: With dead ends: 3507 [2018-10-23 22:02:50,088 INFO L226 Difference]: Without dead ends: 2182 [2018-10-23 22:02:50,099 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-23 22:02:50,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2182 states. [2018-10-23 22:02:50,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2182 to 2160. [2018-10-23 22:02:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2160 states. [2018-10-23 22:02:50,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 2160 states and 3172 transitions. [2018-10-23 22:02:50,173 INFO L78 Accepts]: Start accepts. Automaton has 2160 states and 3172 transitions. Word has length 100 [2018-10-23 22:02:50,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:02:50,174 INFO L481 AbstractCegarLoop]: Abstraction has 2160 states and 3172 transitions. [2018-10-23 22:02:50,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 22:02:50,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 3172 transitions. [2018-10-23 22:02:50,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-23 22:02:50,177 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:02:50,177 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 22:02:50,177 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:02:50,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:02:50,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1557164548, now seen corresponding path program 1 times [2018-10-23 22:02:50,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:02:50,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:02:50,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:02:50,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:02:50,179 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:02:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:02:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:02:50,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:02:50,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 22:02:50,370 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:02:50,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 22:02:50,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 22:02:50,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 22:02:50,374 INFO L87 Difference]: Start difference. First operand 2160 states and 3172 transitions. Second operand 4 states. [2018-10-23 22:02:51,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:02:51,791 INFO L93 Difference]: Finished difference Result 7295 states and 11297 transitions. [2018-10-23 22:02:51,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 22:02:51,800 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-10-23 22:02:51,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:02:51,820 INFO L225 Difference]: With dead ends: 7295 [2018-10-23 22:02:51,820 INFO L226 Difference]: Without dead ends: 3195 [2018-10-23 22:02:51,853 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 22:02:51,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3195 states. [2018-10-23 22:02:51,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3195 to 3193. [2018-10-23 22:02:51,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3193 states. [2018-10-23 22:02:51,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 3193 states and 4458 transitions. [2018-10-23 22:02:51,959 INFO L78 Accepts]: Start accepts. Automaton has 3193 states and 4458 transitions. Word has length 103 [2018-10-23 22:02:51,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:02:51,959 INFO L481 AbstractCegarLoop]: Abstraction has 3193 states and 4458 transitions. [2018-10-23 22:02:51,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 22:02:51,959 INFO L276 IsEmpty]: Start isEmpty. Operand 3193 states and 4458 transitions. [2018-10-23 22:02:51,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-23 22:02:51,966 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:02:51,966 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-23 22:02:51,966 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:02:51,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:02:51,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1720605675, now seen corresponding path program 1 times [2018-10-23 22:02:51,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:02:51,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:02:51,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:02:51,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:02:51,969 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:02:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:02:52,275 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-23 22:02:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:02:52,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:02:52,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 22:02:52,329 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:02:52,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 22:02:52,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 22:02:52,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 22:02:52,330 INFO L87 Difference]: Start difference. First operand 3193 states and 4458 transitions. Second operand 6 states. [2018-10-23 22:02:55,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:02:55,411 INFO L93 Difference]: Finished difference Result 7179 states and 10424 transitions. [2018-10-23 22:02:55,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:02:55,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-10-23 22:02:55,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:02:55,445 INFO L225 Difference]: With dead ends: 7179 [2018-10-23 22:02:55,445 INFO L226 Difference]: Without dead ends: 3992 [2018-10-23 22:02:55,460 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-23 22:02:55,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3992 states. [2018-10-23 22:02:55,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3992 to 3939. [2018-10-23 22:02:55,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3939 states. [2018-10-23 22:02:55,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 3939 states and 5317 transitions. [2018-10-23 22:02:55,595 INFO L78 Accepts]: Start accepts. Automaton has 3939 states and 5317 transitions. Word has length 146 [2018-10-23 22:02:55,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:02:55,596 INFO L481 AbstractCegarLoop]: Abstraction has 3939 states and 5317 transitions. [2018-10-23 22:02:55,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 22:02:55,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3939 states and 5317 transitions. [2018-10-23 22:02:55,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-10-23 22:02:55,624 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:02:55,625 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:02:55,625 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:02:55,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:02:55,626 INFO L82 PathProgramCache]: Analyzing trace with hash -631018936, now seen corresponding path program 1 times [2018-10-23 22:02:55,626 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:02:55,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:02:55,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:02:55,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:02:55,628 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:02:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:02:56,840 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 112 proven. 76 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-10-23 22:02:56,840 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 22:02:56,840 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 22:02:56,841 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 336 with the following transitions: [2018-10-23 22:02:56,844 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [85], [87], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [706], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-23 22:02:56,929 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 22:02:56,930 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 22:03:01,169 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-23 22:03:26,877 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 22:03:26,879 INFO L272 AbstractInterpreter]: Visited 132 different actions 776 times. Merged at 7 different actions 39 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 3 different actions. Largest state had 24 variables. [2018-10-23 22:03:26,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:03:26,895 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 22:03:30,286 INFO L232 lantSequenceWeakener]: Weakened 43 states. On average, predicates are now at 74.74% of their original sizes. [2018-10-23 22:03:30,286 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-23 22:03:41,777 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-23 22:03:41,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 22:03:41,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [8] total 29 [2018-10-23 22:03:41,778 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:03:41,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-23 22:03:41,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-23 22:03:41,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2018-10-23 22:03:41,780 INFO L87 Difference]: Start difference. First operand 3939 states and 5317 transitions. Second operand 23 states. [2018-10-23 22:06:24,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:06:24,498 INFO L93 Difference]: Finished difference Result 9079 states and 12546 transitions. [2018-10-23 22:06:24,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-10-23 22:06:24,499 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 335 [2018-10-23 22:06:24,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:06:24,524 INFO L225 Difference]: With dead ends: 9079 [2018-10-23 22:06:24,524 INFO L226 Difference]: Without dead ends: 5146 [2018-10-23 22:06:24,545 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 349 GetRequests, 309 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=254, Invalid=1152, Unknown=0, NotChecked=0, Total=1406 [2018-10-23 22:06:24,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5146 states. [2018-10-23 22:06:24,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5146 to 5123. [2018-10-23 22:06:24,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5123 states. [2018-10-23 22:06:24,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5123 states to 5123 states and 6740 transitions. [2018-10-23 22:06:24,780 INFO L78 Accepts]: Start accepts. Automaton has 5123 states and 6740 transitions. Word has length 335 [2018-10-23 22:06:24,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:06:24,781 INFO L481 AbstractCegarLoop]: Abstraction has 5123 states and 6740 transitions. [2018-10-23 22:06:24,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-10-23 22:06:24,781 INFO L276 IsEmpty]: Start isEmpty. Operand 5123 states and 6740 transitions. [2018-10-23 22:06:24,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-10-23 22:06:24,806 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:06:24,807 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:06:24,807 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:06:24,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:06:24,807 INFO L82 PathProgramCache]: Analyzing trace with hash 861659113, now seen corresponding path program 1 times [2018-10-23 22:06:24,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:06:24,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:06:24,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:06:24,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:06:24,809 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:06:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:06:25,337 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 58 proven. 190 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-23 22:06:25,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 22:06:25,338 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 22:06:25,338 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 345 with the following transitions: [2018-10-23 22:06:25,339 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [85], [87], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [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], [542], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [706], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-23 22:06:25,345 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 22:06:25,346 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 22:06:26,939 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-23 22:06:27,951 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-10-23 22:06:27,952 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-10-23 22:06:27,953 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-23 22:06:27,954 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 22:06:27,954 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 [2018-10-23 22:06:27,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:06:27,963 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-23 22:06:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:06:28,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 22:06:28,118 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-23 22:06:28,319 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 22:06:28,319 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 22:06:28,325 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 22:06:28,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 10:06:28 BoogieIcfgContainer [2018-10-23 22:06:28,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 22:06:28,326 INFO L168 Benchmark]: Toolchain (without parser) took 233826.55 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -370.4 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-23 22:06:28,327 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. [2018-10-23 22:06:28,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.21 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-23 22:06:28,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 202.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -838.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2018-10-23 22:06:28,329 INFO L168 Benchmark]: Boogie Preprocessor took 119.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2018-10-23 22:06:28,333 INFO L168 Benchmark]: RCFGBuilder took 3349.23 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 129.4 MB). Peak memory consumption was 129.4 MB. Max. memory is 7.1 GB. [2018-10-23 22:06:28,334 INFO L168 Benchmark]: TraceAbstraction took 229469.84 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 293.2 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-23 22:06:28,339 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 680.21 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 202.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -838.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3349.23 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 129.4 MB). Peak memory consumption was 129.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 229469.84 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 293.2 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 52). Cancelled while BasicCegarLoop was analyzing trace of length 345 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while XnfDer was eliminating 1 quantified variables from 2 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 229.3s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 177.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 588 SDtfs, 4804 SDslu, 587 SDs, 0 SdLazy, 6466 SolverSat, 1427 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 88.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 390 GetRequests, 322 SyntacticMatches, 7 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5123occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 32.6s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9957042436865401 AbsIntWeakeningRatio, 0.09580838323353294 AbsIntAvgWeakeningVarsNumRemoved, 790.248502994012 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 123 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 805 NumberOfCodeBlocks, 805 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 799 ConstructedInterpolants, 0 QuantifiedInterpolants, 915454 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 298/374 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown