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/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b6335f6 [2018-10-23 09:39:20,511 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 09:39:20,513 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 09:39:20,533 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 09:39:20,533 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 09:39:20,535 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 09:39:20,536 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 09:39:20,538 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 09:39:20,542 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 09:39:20,543 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 09:39:20,544 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 09:39:20,545 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 09:39:20,547 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 09:39:20,549 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 09:39:20,551 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 09:39:20,552 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 09:39:20,560 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 09:39:20,562 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 09:39:20,566 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 09:39:20,567 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 09:39:20,570 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 09:39:20,572 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 09:39:20,574 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 09:39:20,574 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 09:39:20,575 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 09:39:20,575 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 09:39:20,576 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 09:39:20,577 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 09:39:20,580 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 09:39:20,581 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 09:39:20,581 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 09:39:20,582 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-23 09:39:20,582 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-23 09:39:20,582 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-23 09:39:20,583 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-23 09:39:20,584 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-23 09:39:20,584 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-23 09:39:20,602 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 09:39:20,602 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 09:39:20,603 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 09:39:20,603 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 09:39:20,604 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 09:39:20,604 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 09:39:20,604 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 09:39:20,605 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 09:39:20,605 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 09:39:20,605 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 09:39:20,605 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 09:39:20,605 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 09:39:20,606 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 09:39:20,606 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 09:39:20,606 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 09:39:20,606 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 09:39:20,606 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 09:39:20,607 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 09:39:20,608 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 09:39:20,608 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 09:39:20,608 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 09:39:20,608 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 09:39:20,608 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 09:39:20,609 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 09:39:20,609 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 09:39:20,609 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 09:39:20,609 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 09:39:20,610 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 09:39:20,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 09:39:20,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 09:39:20,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 09:39:20,689 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 09:39:20,689 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 09:39:20,690 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c [2018-10-23 09:39:20,749 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4321f2210/80bfad6d2bf5428ca2a21b17ae684b8d/FLAG087fddaff [2018-10-23 09:39:21,232 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 09:39:21,232 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c [2018-10-23 09:39:21,245 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4321f2210/80bfad6d2bf5428ca2a21b17ae684b8d/FLAG087fddaff [2018-10-23 09:39:21,258 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4321f2210/80bfad6d2bf5428ca2a21b17ae684b8d [2018-10-23 09:39:21,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 09:39:21,268 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 09:39:21,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 09:39:21,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 09:39:21,273 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 09:39:21,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 09:39:21" (1/1) ... [2018-10-23 09:39:21,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7adbd51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:39:21, skipping insertion in model container [2018-10-23 09:39:21,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 09:39:21" (1/1) ... [2018-10-23 09:39:21,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 09:39:21,321 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 09:39:21,514 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 09:39:21,519 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 09:39:21,554 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 09:39:21,570 INFO L193 MainTranslator]: Completed translation [2018-10-23 09:39:21,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:39:21 WrapperNode [2018-10-23 09:39:21,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 09:39:21,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 09:39:21,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 09:39:21,572 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 09:39:21,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:39:21" (1/1) ... [2018-10-23 09:39:21,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:39:21" (1/1) ... [2018-10-23 09:39:21,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 09:39:21,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 09:39:21,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 09:39:21,630 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 09:39:21,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:39:21" (1/1) ... [2018-10-23 09:39:21,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:39:21" (1/1) ... [2018-10-23 09:39:21,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:39:21" (1/1) ... [2018-10-23 09:39:21,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:39:21" (1/1) ... [2018-10-23 09:39:21,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:39:21" (1/1) ... [2018-10-23 09:39:21,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:39:21" (1/1) ... [2018-10-23 09:39:21,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:39:21" (1/1) ... [2018-10-23 09:39:21,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 09:39:21,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 09:39:21,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 09:39:21,662 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 09:39:21,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:39:21" (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 09:39:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 09:39:21,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 09:39:22,342 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 09:39:22,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:39:22 BoogieIcfgContainer [2018-10-23 09:39:22,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 09:39:22,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 09:39:22,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 09:39:22,347 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 09:39:22,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 09:39:21" (1/3) ... [2018-10-23 09:39:22,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60951128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 09:39:22, skipping insertion in model container [2018-10-23 09:39:22,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:39:21" (2/3) ... [2018-10-23 09:39:22,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60951128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 09:39:22, skipping insertion in model container [2018-10-23 09:39:22,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:39:22" (3/3) ... [2018-10-23 09:39:22,350 INFO L112 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c [2018-10-23 09:39:22,362 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 09:39:22,371 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2018-10-23 09:39:22,387 INFO L257 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2018-10-23 09:39:22,420 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 09:39:22,421 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 09:39:22,421 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 09:39:22,422 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 09:39:22,422 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 09:39:22,422 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 09:39:22,422 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 09:39:22,422 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 09:39:22,423 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 09:39:22,440 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2018-10-23 09:39:22,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-23 09:39:22,447 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:39:22,448 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:39:22,451 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:39:22,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:39:22,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1241029004, now seen corresponding path program 1 times [2018-10-23 09:39:22,459 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:39:22,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:39:22,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:22,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:39:22,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:39:22,599 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 09:39:22,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:39:22,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 09:39:22,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 09:39:22,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 09:39:22,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 09:39:22,624 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 3 states. [2018-10-23 09:39:22,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:39:22,682 INFO L93 Difference]: Finished difference Result 83 states and 110 transitions. [2018-10-23 09:39:22,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 09:39:22,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-10-23 09:39:22,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:39:22,697 INFO L225 Difference]: With dead ends: 83 [2018-10-23 09:39:22,698 INFO L226 Difference]: Without dead ends: 72 [2018-10-23 09:39:22,701 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 09:39:22,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-10-23 09:39:22,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 55. [2018-10-23 09:39:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-23 09:39:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-10-23 09:39:22,745 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 9 [2018-10-23 09:39:22,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:39:22,745 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-10-23 09:39:22,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 09:39:22,746 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-10-23 09:39:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-23 09:39:22,747 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:39:22,747 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:39:22,750 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:39:22,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:39:22,750 INFO L82 PathProgramCache]: Analyzing trace with hash -182802478, now seen corresponding path program 1 times [2018-10-23 09:39:22,751 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:39:22,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:39:22,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:22,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:39:22,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:39:22,906 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 09:39:22,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:39:22,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 09:39:22,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 09:39:22,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 09:39:22,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-23 09:39:22,909 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 5 states. [2018-10-23 09:39:23,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:39:23,289 INFO L93 Difference]: Finished difference Result 73 states and 80 transitions. [2018-10-23 09:39:23,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 09:39:23,290 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-10-23 09:39:23,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:39:23,293 INFO L225 Difference]: With dead ends: 73 [2018-10-23 09:39:23,293 INFO L226 Difference]: Without dead ends: 71 [2018-10-23 09:39:23,294 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-23 09:39:23,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-10-23 09:39:23,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 53. [2018-10-23 09:39:23,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-10-23 09:39:23,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2018-10-23 09:39:23,302 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 10 [2018-10-23 09:39:23,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:39:23,302 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2018-10-23 09:39:23,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 09:39:23,302 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2018-10-23 09:39:23,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-23 09:39:23,303 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:39:23,303 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:39:23,304 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:39:23,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:39:23,304 INFO L82 PathProgramCache]: Analyzing trace with hash -179156060, now seen corresponding path program 1 times [2018-10-23 09:39:23,304 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:39:23,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:39:23,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:23,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:39:23,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:39:23,354 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 09:39:23,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:39:23,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 09:39:23,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 09:39:23,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 09:39:23,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-23 09:39:23,357 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand 4 states. [2018-10-23 09:39:23,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:39:23,522 INFO L93 Difference]: Finished difference Result 143 states and 158 transitions. [2018-10-23 09:39:23,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 09:39:23,523 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-10-23 09:39:23,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:39:23,525 INFO L225 Difference]: With dead ends: 143 [2018-10-23 09:39:23,525 INFO L226 Difference]: Without dead ends: 93 [2018-10-23 09:39:23,526 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-23 09:39:23,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-10-23 09:39:23,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 52. [2018-10-23 09:39:23,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-10-23 09:39:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2018-10-23 09:39:23,538 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 10 [2018-10-23 09:39:23,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:39:23,538 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2018-10-23 09:39:23,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 09:39:23,538 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2018-10-23 09:39:23,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-23 09:39:23,539 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:39:23,539 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:39:23,540 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:39:23,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:39:23,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1258866483, now seen corresponding path program 1 times [2018-10-23 09:39:23,541 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:39:23,541 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:39:23,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:23,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:39:23,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:39:23,623 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 09:39:23,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:39:23,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 09:39:23,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 09:39:23,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 09:39:23,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-23 09:39:23,625 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 6 states. [2018-10-23 09:39:24,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:39:24,088 INFO L93 Difference]: Finished difference Result 94 states and 102 transitions. [2018-10-23 09:39:24,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 09:39:24,089 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-10-23 09:39:24,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:39:24,091 INFO L225 Difference]: With dead ends: 94 [2018-10-23 09:39:24,091 INFO L226 Difference]: Without dead ends: 92 [2018-10-23 09:39:24,092 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-10-23 09:39:24,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-10-23 09:39:24,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 50. [2018-10-23 09:39:24,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-10-23 09:39:24,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2018-10-23 09:39:24,108 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 11 [2018-10-23 09:39:24,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:39:24,108 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2018-10-23 09:39:24,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 09:39:24,109 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2018-10-23 09:39:24,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-23 09:39:24,110 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:39:24,110 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:39:24,111 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:39:24,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:39:24,111 INFO L82 PathProgramCache]: Analyzing trace with hash 420636790, now seen corresponding path program 1 times [2018-10-23 09:39:24,111 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:39:24,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:39:24,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:24,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:39:24,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:39:24,414 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 09:39:24,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:39:24,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 09:39:24,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 09:39:24,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 09:39:24,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-23 09:39:24,416 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 5 states. [2018-10-23 09:39:24,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:39:24,648 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2018-10-23 09:39:24,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 09:39:24,649 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-10-23 09:39:24,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:39:24,651 INFO L225 Difference]: With dead ends: 87 [2018-10-23 09:39:24,651 INFO L226 Difference]: Without dead ends: 85 [2018-10-23 09:39:24,652 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 [2018-10-23 09:39:24,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-10-23 09:39:24,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 48. [2018-10-23 09:39:24,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-10-23 09:39:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2018-10-23 09:39:24,660 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 12 [2018-10-23 09:39:24,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:39:24,660 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2018-10-23 09:39:24,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 09:39:24,660 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2018-10-23 09:39:24,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-23 09:39:24,661 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:39:24,661 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:39:24,662 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:39:24,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:39:24,662 INFO L82 PathProgramCache]: Analyzing trace with hash -370151221, now seen corresponding path program 1 times [2018-10-23 09:39:24,663 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:39:24,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:39:24,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:24,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:39:24,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:39:24,782 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 09:39:24,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:39:24,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-23 09:39:24,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-23 09:39:24,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-23 09:39:24,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-10-23 09:39:24,784 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand 8 states. [2018-10-23 09:39:25,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:39:25,436 INFO L93 Difference]: Finished difference Result 89 states and 97 transitions. [2018-10-23 09:39:25,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-23 09:39:25,437 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2018-10-23 09:39:25,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:39:25,438 INFO L225 Difference]: With dead ends: 89 [2018-10-23 09:39:25,438 INFO L226 Difference]: Without dead ends: 87 [2018-10-23 09:39:25,438 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-10-23 09:39:25,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-10-23 09:39:25,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 46. [2018-10-23 09:39:25,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-10-23 09:39:25,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2018-10-23 09:39:25,447 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 12 [2018-10-23 09:39:25,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:39:25,447 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2018-10-23 09:39:25,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-23 09:39:25,447 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-10-23 09:39:25,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-23 09:39:25,448 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:39:25,448 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:39:25,449 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:39:25,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:39:25,449 INFO L82 PathProgramCache]: Analyzing trace with hash 154842714, now seen corresponding path program 1 times [2018-10-23 09:39:25,450 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:39:25,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:39:25,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:25,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:39:25,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:39:25,519 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 09:39:25,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:39:25,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 09:39:25,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 09:39:25,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 09:39:25,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-23 09:39:25,521 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 5 states. [2018-10-23 09:39:25,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:39:25,755 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2018-10-23 09:39:25,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 09:39:25,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-10-23 09:39:25,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:39:25,756 INFO L225 Difference]: With dead ends: 75 [2018-10-23 09:39:25,757 INFO L226 Difference]: Without dead ends: 73 [2018-10-23 09:39:25,758 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-23 09:39:25,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-10-23 09:39:25,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 44. [2018-10-23 09:39:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-10-23 09:39:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2018-10-23 09:39:25,766 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 13 [2018-10-23 09:39:25,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:39:25,766 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2018-10-23 09:39:25,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 09:39:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2018-10-23 09:39:25,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-23 09:39:25,767 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:39:25,767 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:39:25,768 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:39:25,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:39:25,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1410218132, now seen corresponding path program 1 times [2018-10-23 09:39:25,769 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:39:25,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:39:25,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:25,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:39:25,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:39:25,856 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 09:39:25,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:39:25,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 09:39:25,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 09:39:25,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 09:39:25,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-23 09:39:25,858 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 6 states. [2018-10-23 09:39:26,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:39:26,069 INFO L93 Difference]: Finished difference Result 85 states and 93 transitions. [2018-10-23 09:39:26,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 09:39:26,069 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-10-23 09:39:26,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:39:26,071 INFO L225 Difference]: With dead ends: 85 [2018-10-23 09:39:26,071 INFO L226 Difference]: Without dead ends: 83 [2018-10-23 09:39:26,072 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-10-23 09:39:26,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-10-23 09:39:26,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 42. [2018-10-23 09:39:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-10-23 09:39:26,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-10-23 09:39:26,079 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 13 [2018-10-23 09:39:26,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:39:26,080 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-10-23 09:39:26,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 09:39:26,080 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-10-23 09:39:26,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-23 09:39:26,081 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:39:26,081 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:39:26,081 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:39:26,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:39:26,082 INFO L82 PathProgramCache]: Analyzing trace with hash 505160957, now seen corresponding path program 1 times [2018-10-23 09:39:26,082 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:39:26,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:39:26,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:26,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:39:26,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:39:26,307 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 09:39:26,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:39:26,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 09:39:26,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 09:39:26,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 09:39:26,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-23 09:39:26,309 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 6 states. [2018-10-23 09:39:26,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:39:26,522 INFO L93 Difference]: Finished difference Result 67 states and 75 transitions. [2018-10-23 09:39:26,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-23 09:39:26,522 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-10-23 09:39:26,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:39:26,523 INFO L225 Difference]: With dead ends: 67 [2018-10-23 09:39:26,524 INFO L226 Difference]: Without dead ends: 65 [2018-10-23 09:39:26,524 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-10-23 09:39:26,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-10-23 09:39:26,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 40. [2018-10-23 09:39:26,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-10-23 09:39:26,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2018-10-23 09:39:26,531 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 14 [2018-10-23 09:39:26,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:39:26,531 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2018-10-23 09:39:26,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 09:39:26,532 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2018-10-23 09:39:26,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-23 09:39:26,532 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:39:26,532 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:39:26,533 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:39:26,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:39:26,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1519875391, now seen corresponding path program 1 times [2018-10-23 09:39:26,534 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:39:26,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:39:26,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:26,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:39:26,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:39:26,629 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 09:39:26,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:39:26,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 09:39:26,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 09:39:26,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 09:39:26,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-23 09:39:26,631 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 5 states. [2018-10-23 09:39:26,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:39:26,758 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2018-10-23 09:39:26,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 09:39:26,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-10-23 09:39:26,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:39:26,760 INFO L225 Difference]: With dead ends: 67 [2018-10-23 09:39:26,760 INFO L226 Difference]: Without dead ends: 65 [2018-10-23 09:39:26,761 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-23 09:39:26,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-10-23 09:39:26,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 38. [2018-10-23 09:39:26,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-10-23 09:39:26,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2018-10-23 09:39:26,768 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 15 [2018-10-23 09:39:26,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:39:26,768 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2018-10-23 09:39:26,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 09:39:26,768 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2018-10-23 09:39:26,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-23 09:39:26,769 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:39:26,769 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:39:26,770 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:39:26,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:39:26,771 INFO L82 PathProgramCache]: Analyzing trace with hash 128507268, now seen corresponding path program 1 times [2018-10-23 09:39:26,771 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:39:26,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:39:26,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:26,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:39:26,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:39:26,868 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 09:39:26,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:39:26,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-23 09:39:26,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-23 09:39:26,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-23 09:39:26,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-23 09:39:26,870 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 7 states. [2018-10-23 09:39:27,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:39:27,130 INFO L93 Difference]: Finished difference Result 65 states and 73 transitions. [2018-10-23 09:39:27,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-23 09:39:27,131 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2018-10-23 09:39:27,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:39:27,132 INFO L225 Difference]: With dead ends: 65 [2018-10-23 09:39:27,132 INFO L226 Difference]: Without dead ends: 63 [2018-10-23 09:39:27,133 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-10-23 09:39:27,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-10-23 09:39:27,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 36. [2018-10-23 09:39:27,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-10-23 09:39:27,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2018-10-23 09:39:27,140 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 16 [2018-10-23 09:39:27,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:39:27,141 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2018-10-23 09:39:27,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-23 09:39:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2018-10-23 09:39:27,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-23 09:39:27,142 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:39:27,142 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:39:27,142 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:39:27,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:39:27,143 INFO L82 PathProgramCache]: Analyzing trace with hash -311237848, now seen corresponding path program 1 times [2018-10-23 09:39:27,143 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:39:27,143 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:39:27,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:27,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:39:27,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:39:27,227 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 09:39:27,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:39:27,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 09:39:27,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 09:39:27,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 09:39:27,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-23 09:39:27,229 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand 6 states. [2018-10-23 09:39:27,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:39:27,464 INFO L93 Difference]: Finished difference Result 86 states and 100 transitions. [2018-10-23 09:39:27,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 09:39:27,464 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-10-23 09:39:27,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:39:27,466 INFO L225 Difference]: With dead ends: 86 [2018-10-23 09:39:27,466 INFO L226 Difference]: Without dead ends: 84 [2018-10-23 09:39:27,467 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-10-23 09:39:27,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-10-23 09:39:27,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 34. [2018-10-23 09:39:27,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-10-23 09:39:27,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2018-10-23 09:39:27,476 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 17 [2018-10-23 09:39:27,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:39:27,476 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2018-10-23 09:39:27,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 09:39:27,477 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2018-10-23 09:39:27,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-23 09:39:27,478 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:39:27,478 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:39:27,479 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:39:27,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:39:27,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1058434549, now seen corresponding path program 1 times [2018-10-23 09:39:27,479 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:39:27,479 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:39:27,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:27,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:39:27,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:39:27,674 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 09:39:27,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:39:27,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-23 09:39:27,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-23 09:39:27,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-23 09:39:27,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-10-23 09:39:27,677 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand 8 states. [2018-10-23 09:39:27,953 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-23 09:39:28,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:39:28,441 INFO L93 Difference]: Finished difference Result 68 states and 79 transitions. [2018-10-23 09:39:28,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-23 09:39:28,441 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-10-23 09:39:28,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:39:28,443 INFO L225 Difference]: With dead ends: 68 [2018-10-23 09:39:28,443 INFO L226 Difference]: Without dead ends: 66 [2018-10-23 09:39:28,444 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2018-10-23 09:39:28,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-10-23 09:39:28,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 32. [2018-10-23 09:39:28,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-10-23 09:39:28,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2018-10-23 09:39:28,452 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 18 [2018-10-23 09:39:28,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:39:28,452 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2018-10-23 09:39:28,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-23 09:39:28,452 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2018-10-23 09:39:28,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-23 09:39:28,453 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:39:28,453 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:39:28,454 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:39:28,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:39:28,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1548271503, now seen corresponding path program 1 times [2018-10-23 09:39:28,455 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:39:28,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:39:28,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:28,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:39:28,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:39:28,662 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 09:39:28,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:39:28,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-23 09:39:28,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-23 09:39:28,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-23 09:39:28,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-10-23 09:39:28,663 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 8 states. [2018-10-23 09:39:29,374 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-23 09:39:29,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:39:29,561 INFO L93 Difference]: Finished difference Result 103 states and 122 transitions. [2018-10-23 09:39:29,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-23 09:39:29,562 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-10-23 09:39:29,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:39:29,563 INFO L225 Difference]: With dead ends: 103 [2018-10-23 09:39:29,564 INFO L226 Difference]: Without dead ends: 101 [2018-10-23 09:39:29,565 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2018-10-23 09:39:29,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-10-23 09:39:29,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 30. [2018-10-23 09:39:29,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-10-23 09:39:29,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2018-10-23 09:39:29,573 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 19 [2018-10-23 09:39:29,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:39:29,574 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2018-10-23 09:39:29,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-23 09:39:29,574 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2018-10-23 09:39:29,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-23 09:39:29,575 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:39:29,575 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] [2018-10-23 09:39:29,576 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:39:29,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:39:29,576 INFO L82 PathProgramCache]: Analyzing trace with hash 751780498, now seen corresponding path program 1 times [2018-10-23 09:39:29,576 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:39:29,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:39:29,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:29,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:39:29,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:39:29,692 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 09:39:29,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:39:29,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-23 09:39:29,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-23 09:39:29,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-23 09:39:29,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-10-23 09:39:29,694 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 8 states. [2018-10-23 09:39:30,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:39:30,249 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2018-10-23 09:39:30,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-23 09:39:30,250 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-10-23 09:39:30,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:39:30,251 INFO L225 Difference]: With dead ends: 66 [2018-10-23 09:39:30,251 INFO L226 Difference]: Without dead ends: 64 [2018-10-23 09:39:30,252 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2018-10-23 09:39:30,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-10-23 09:39:30,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 28. [2018-10-23 09:39:30,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-10-23 09:39:30,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2018-10-23 09:39:30,260 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 20 [2018-10-23 09:39:30,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:39:30,260 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2018-10-23 09:39:30,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-23 09:39:30,260 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2018-10-23 09:39:30,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-23 09:39:30,261 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:39:30,261 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] [2018-10-23 09:39:30,262 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:39:30,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:39:30,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1830363126, now seen corresponding path program 1 times [2018-10-23 09:39:30,262 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:39:30,263 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:39:30,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:30,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:39:30,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:39:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:39:30,369 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 09:39:30,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:39:30,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-23 09:39:30,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-23 09:39:30,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-23 09:39:30,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-23 09:39:30,370 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 7 states. [2018-10-23 09:39:30,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:39:30,829 INFO L93 Difference]: Finished difference Result 82 states and 97 transitions. [2018-10-23 09:39:30,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-23 09:39:30,830 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-10-23 09:39:30,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:39:30,830 INFO L225 Difference]: With dead ends: 82 [2018-10-23 09:39:30,830 INFO L226 Difference]: Without dead ends: 0 [2018-10-23 09:39:30,832 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-10-23 09:39:30,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-23 09:39:30,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-23 09:39:30,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-23 09:39:30,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-23 09:39:30,833 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-10-23 09:39:30,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:39:30,834 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-23 09:39:30,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-23 09:39:30,834 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-23 09:39:30,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-23 09:39:30,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-23 09:39:30,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 09:39:30,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 09:39:31,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 09:39:31,064 WARN L179 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 86 [2018-10-23 09:39:31,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 09:39:31,177 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 14 [2018-10-23 09:39:31,354 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 72 [2018-10-23 09:39:33,174 WARN L179 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 86 DAG size of output: 21 [2018-10-23 09:39:33,408 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 35 [2018-10-23 09:39:33,411 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 120) no Hoare annotation was computed. [2018-10-23 09:39:33,411 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 200) no Hoare annotation was computed. [2018-10-23 09:39:33,411 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 260) no Hoare annotation was computed. [2018-10-23 09:39:33,411 INFO L425 ceAbstractionStarter]: For program point L52(lines 52 281) no Hoare annotation was computed. [2018-10-23 09:39:33,411 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 136) no Hoare annotation was computed. [2018-10-23 09:39:33,411 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 252) no Hoare annotation was computed. [2018-10-23 09:39:33,411 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2018-10-23 09:39:33,411 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 124) no Hoare annotation was computed. [2018-10-23 09:39:33,412 INFO L421 ceAbstractionStarter]: At program point L259(lines 26 301) the Hoare annotation is: (let ((.cse0 (<= (+ ULTIMATE.start_main_~main__limit~0 4) ULTIMATE.start_main_~main__bufsize~0))) (or (and (and (and (<= 0 ULTIMATE.start_main_~main__j~0) (<= (+ ULTIMATE.start_main_~main__i~0 1) ULTIMATE.start_main_~main__len~0)) .cse0) (<= 0 ULTIMATE.start_main_~main__i~0)) (let ((.cse2 (<= (+ ULTIMATE.start_main_~main__j~0 4) ULTIMATE.start_main_~main__bufsize~0))) (let ((.cse1 (and (let ((.cse3 (<= 1 ULTIMATE.start_main_~main__i~0))) (or (and .cse3 .cse2) (and (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~12 0)) .cse3))) (<= 1 ULTIMATE.start_main_~main__j~0)))) (or (and (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~14 0)) .cse1 .cse0) (and .cse1 .cse0 .cse2)))))) [2018-10-23 09:39:33,412 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-23 09:39:33,412 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-23 09:39:33,412 INFO L425 ceAbstractionStarter]: For program point L61(lines 61 280) no Hoare annotation was computed. [2018-10-23 09:39:33,412 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-23 09:39:33,412 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 266) no Hoare annotation was computed. [2018-10-23 09:39:33,412 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-23 09:39:33,412 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2018-10-23 09:39:33,412 INFO L425 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-10-23 09:39:33,413 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 107) no Hoare annotation was computed. [2018-10-23 09:39:33,413 INFO L425 ceAbstractionStarter]: For program point L252(line 252) no Hoare annotation was computed. [2018-10-23 09:39:33,413 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 270) no Hoare annotation was computed. [2018-10-23 09:39:33,413 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 224) no Hoare annotation was computed. [2018-10-23 09:39:33,413 INFO L425 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-10-23 09:39:33,413 INFO L425 ceAbstractionStarter]: For program point L170(lines 170 272) no Hoare annotation was computed. [2018-10-23 09:39:33,413 INFO L425 ceAbstractionStarter]: For program point L71(line 71) no Hoare annotation was computed. [2018-10-23 09:39:33,413 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2018-10-23 09:39:33,413 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2018-10-23 09:39:33,413 INFO L425 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2018-10-23 09:39:33,414 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2018-10-23 09:39:33,414 INFO L425 ceAbstractionStarter]: For program point L146(lines 146 276) no Hoare annotation was computed. [2018-10-23 09:39:33,414 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2018-10-23 09:39:33,414 INFO L425 ceAbstractionStarter]: For program point L105(lines 105 118) no Hoare annotation was computed. [2018-10-23 09:39:33,414 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 295) no Hoare annotation was computed. [2018-10-23 09:39:33,414 INFO L425 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2018-10-23 09:39:33,414 INFO L425 ceAbstractionStarter]: For program point L81(lines 81 122) no Hoare annotation was computed. [2018-10-23 09:39:33,414 INFO L425 ceAbstractionStarter]: For program point L15(lines 15 307) no Hoare annotation was computed. [2018-10-23 09:39:33,415 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 262) no Hoare annotation was computed. [2018-10-23 09:39:33,415 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-23 09:39:33,415 INFO L425 ceAbstractionStarter]: For program point L40(lines 40 283) no Hoare annotation was computed. [2018-10-23 09:39:33,415 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2018-10-23 09:39:33,415 INFO L421 ceAbstractionStarter]: At program point L288(lines 33 289) the Hoare annotation is: (and (<= (+ ULTIMATE.start_main_~main__j~0 5) ULTIMATE.start_main_~main__bufsize~0) (<= 0 ULTIMATE.start_main_~main__i~0) (<= (+ ULTIMATE.start_main_~main__i~0 1) ULTIMATE.start_main_~main__len~0) (<= (+ ULTIMATE.start_main_~main__limit~0 4) ULTIMATE.start_main_~main__bufsize~0) (<= 0 ULTIMATE.start_main_~main__j~0)) [2018-10-23 09:39:33,415 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-23 09:39:33,415 INFO L425 ceAbstractionStarter]: For program point L222(lines 222 264) no Hoare annotation was computed. [2018-10-23 09:39:33,415 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-23 09:39:33,416 INFO L428 ceAbstractionStarter]: At program point L305(lines 8 308) the Hoare annotation is: true [2018-10-23 09:39:33,416 INFO L425 ceAbstractionStarter]: For program point L107(line 107) no Hoare annotation was computed. [2018-10-23 09:39:33,416 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 268) no Hoare annotation was computed. [2018-10-23 09:39:33,416 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 212) no Hoare annotation was computed. [2018-10-23 09:39:33,416 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 289) no Hoare annotation was computed. [2018-10-23 09:39:33,416 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 240) no Hoare annotation was computed. [2018-10-23 09:39:33,416 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-23 09:39:33,417 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2018-10-23 09:39:33,417 INFO L425 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2018-10-23 09:39:33,417 INFO L425 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2018-10-23 09:39:33,417 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-10-23 09:39:33,417 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 71) no Hoare annotation was computed. [2018-10-23 09:39:33,417 INFO L425 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2018-10-23 09:39:33,417 INFO L425 ceAbstractionStarter]: For program point L158(lines 158 274) no Hoare annotation was computed. [2018-10-23 09:39:33,417 INFO L421 ceAbstractionStarter]: At program point L299(lines 20 307) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~main__i~0) (<= (+ ULTIMATE.start_main_~main__limit~0 4) ULTIMATE.start_main_~main__bufsize~0)) [2018-10-23 09:39:33,417 INFO L425 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-10-23 09:39:33,417 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 278) no Hoare annotation was computed. [2018-10-23 09:39:33,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 09:39:33 BoogieIcfgContainer [2018-10-23 09:39:33,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 09:39:33,437 INFO L168 Benchmark]: Toolchain (without parser) took 12169.23 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 874.0 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -838.4 MB). Peak memory consumption was 583.5 MB. Max. memory is 7.1 GB. [2018-10-23 09:39:33,438 INFO L168 Benchmark]: CDTParser took 0.23 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 09:39:33,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.97 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-23 09:39:33,439 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.53 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 09:39:33,440 INFO L168 Benchmark]: Boogie Preprocessor took 32.29 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 09:39:33,440 INFO L168 Benchmark]: RCFGBuilder took 680.83 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -793.4 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2018-10-23 09:39:33,441 INFO L168 Benchmark]: TraceAbstraction took 11092.05 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 114.3 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -55.6 MB). Peak memory consumption was 606.7 MB. Max. memory is 7.1 GB. [2018-10-23 09:39:33,445 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 301.97 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 57.53 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.29 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 680.83 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -793.4 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11092.05 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 114.3 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -55.6 MB). Peak memory consumption was 606.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 107]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 252]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 160]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 240]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 95]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 71]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 83]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 136]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 188]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 54]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 212]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 224]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 200]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((main__j + 5 <= main__bufsize && 0 <= main__i) && main__i + 1 <= main__len) && main__limit + 4 <= main__bufsize) && 0 <= main__j - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 <= main__i && main__limit + 4 <= main__bufsize - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((0 <= main__j && main__i + 1 <= main__len) && main__limit + 4 <= main__bufsize) && 0 <= main__i) || ((!(__VERIFIER_assert__cond == 0) && ((1 <= main__i && main__j + 4 <= main__bufsize) || (!(__VERIFIER_assert__cond == 0) && 1 <= main__i)) && 1 <= main__j) && main__limit + 4 <= main__bufsize) || (((((1 <= main__i && main__j + 4 <= main__bufsize) || (!(__VERIFIER_assert__cond == 0) && 1 <= main__i)) && 1 <= main__j) && main__limit + 4 <= main__bufsize) && main__j + 4 <= main__bufsize) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 16 error locations. SAFE Result, 11.0s OverallTime, 16 OverallIterations, 1 TraceHistogramMax, 5.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 703 SDtfs, 1740 SDslu, 714 SDs, 0 SdLazy, 1623 SolverSat, 176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 536 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 22 NumberOfFragments, 121 HoareAnnotationTreeSize, 4 FomulaSimplifications, 3751018988 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 4 FomulaSimplificationsInter, 1111887 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 12103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...