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/eca-rers2012/Problem13_label58_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:17:08,547 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:17:08,549 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:17:08,566 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:17:08,566 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:17:08,568 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:17:08,570 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:17:08,572 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:17:08,575 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:17:08,576 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:17:08,578 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:17:08,579 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:17:08,580 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:17:08,580 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:17:08,581 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:17:08,583 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:17:08,588 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:17:08,590 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:17:08,599 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:17:08,600 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:17:08,601 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:17:08,602 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:17:08,604 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:17:08,605 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:17:08,605 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:17:08,606 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:17:08,609 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:17:08,610 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:17:08,610 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:17:08,611 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:17:08,612 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:17:08,612 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-26 19:17:08,617 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 [2018-10-26 19:17:08,641 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:17:08,642 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:17:08,643 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:17:08,643 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:17:08,643 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:17:08,644 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:17:08,644 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 19:17:08,647 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:17:08,647 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:17:08,647 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:17:08,647 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:17:08,648 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:17:08,648 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:17:08,648 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:17:08,648 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:17:08,648 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:17:08,649 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:17:08,649 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:17:08,649 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:17:08,649 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:17:08,649 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:17:08,650 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:17:08,650 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:17:08,650 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 19:17:08,650 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:17:08,650 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:17:08,651 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:17:08,651 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 19:17:08,702 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:17:08,720 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:17:08,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:17:08,727 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:17:08,727 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:17:08,728 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label58_false-unreach-call.c [2018-10-26 19:17:08,800 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3b0e358d1/56e4153dd0344e5f845d9d29ac84dc36/FLAG7b04e2251 [2018-10-26 19:17:09,623 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:17:09,624 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label58_false-unreach-call.c [2018-10-26 19:17:09,665 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3b0e358d1/56e4153dd0344e5f845d9d29ac84dc36/FLAG7b04e2251 [2018-10-26 19:17:09,687 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3b0e358d1/56e4153dd0344e5f845d9d29ac84dc36 [2018-10-26 19:17:09,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:17:09,701 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 19:17:09,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:17:09,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:17:09,706 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:17:09,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:17:09" (1/1) ... [2018-10-26 19:17:09,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d685f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:17:09, skipping insertion in model container [2018-10-26 19:17:09,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:17:09" (1/1) ... [2018-10-26 19:17:09,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:17:09,899 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:17:11,511 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:17:11,519 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:17:12,250 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:17:12,289 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:17:12,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:17:12 WrapperNode [2018-10-26 19:17:12,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:17:12,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:17:12,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:17:12,292 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:17:12,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:17:12" (1/1) ... [2018-10-26 19:17:12,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:17:12" (1/1) ... [2018-10-26 19:17:13,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:17:13,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:17:13,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:17:13,152 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:17:13,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:17:12" (1/1) ... [2018-10-26 19:17:13,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:17:12" (1/1) ... [2018-10-26 19:17:13,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:17:12" (1/1) ... [2018-10-26 19:17:13,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:17:12" (1/1) ... [2018-10-26 19:17:13,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:17:12" (1/1) ... [2018-10-26 19:17:13,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:17:12" (1/1) ... [2018-10-26 19:17:13,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:17:12" (1/1) ... [2018-10-26 19:17:13,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:17:13,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:17:13,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:17:13,667 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:17:13,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:17:12" (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 [2018-10-26 19:17:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 19:17:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:17:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:17:28,673 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:17:28,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:17:28 BoogieIcfgContainer [2018-10-26 19:17:28,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:17:28,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:17:28,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:17:28,679 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:17:28,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:17:09" (1/3) ... [2018-10-26 19:17:28,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793d223a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:17:28, skipping insertion in model container [2018-10-26 19:17:28,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:17:12" (2/3) ... [2018-10-26 19:17:28,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793d223a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:17:28, skipping insertion in model container [2018-10-26 19:17:28,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:17:28" (3/3) ... [2018-10-26 19:17:28,683 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label58_false-unreach-call.c [2018-10-26 19:17:28,692 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:17:28,702 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:17:28,719 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:17:28,770 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:17:28,771 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:17:28,771 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:17:28,771 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:17:28,772 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:17:28,772 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:17:28,772 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:17:28,772 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:17:28,772 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:17:28,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2018-10-26 19:17:28,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 19:17:28,824 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:17:28,825 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:17:28,828 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:17:28,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:17:28,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1534999810, now seen corresponding path program 1 times [2018-10-26 19:17:28,836 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:17:28,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:17:28,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:17:28,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:17:28,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:17:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:17:29,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:17:29,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:17:29,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:17:29,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:17:29,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:17:29,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:17:29,165 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 4 states. [2018-10-26 19:17:45,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:17:45,865 INFO L93 Difference]: Finished difference Result 3973 states and 7416 transitions. [2018-10-26 19:17:45,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:17:45,868 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-10-26 19:17:45,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:17:45,910 INFO L225 Difference]: With dead ends: 3973 [2018-10-26 19:17:45,910 INFO L226 Difference]: Without dead ends: 2867 [2018-10-26 19:17:45,923 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:17:45,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2867 states. [2018-10-26 19:17:46,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2867 to 1938. [2018-10-26 19:17:46,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1938 states. [2018-10-26 19:17:46,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 3240 transitions. [2018-10-26 19:17:46,093 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 3240 transitions. Word has length 13 [2018-10-26 19:17:46,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:17:46,095 INFO L481 AbstractCegarLoop]: Abstraction has 1938 states and 3240 transitions. [2018-10-26 19:17:46,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:17:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 3240 transitions. [2018-10-26 19:17:46,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-26 19:17:46,100 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:17:46,101 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:17:46,101 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:17:46,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:17:46,102 INFO L82 PathProgramCache]: Analyzing trace with hash 224743560, now seen corresponding path program 1 times [2018-10-26 19:17:46,102 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:17:46,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:17:46,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:17:46,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:17:46,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:17:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:17:46,512 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:17:46,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:17:46,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:17:46,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:17:46,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:17:46,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:17:46,517 INFO L87 Difference]: Start difference. First operand 1938 states and 3240 transitions. Second operand 4 states. [2018-10-26 19:18:04,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:18:04,504 INFO L93 Difference]: Finished difference Result 7101 states and 12101 transitions. [2018-10-26 19:18:04,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:18:04,505 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2018-10-26 19:18:04,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:18:04,535 INFO L225 Difference]: With dead ends: 7101 [2018-10-26 19:18:04,536 INFO L226 Difference]: Without dead ends: 5165 [2018-10-26 19:18:04,540 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:18:04,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5165 states. [2018-10-26 19:18:04,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5165 to 5155. [2018-10-26 19:18:04,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5155 states. [2018-10-26 19:18:04,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 5155 states and 7673 transitions. [2018-10-26 19:18:04,660 INFO L78 Accepts]: Start accepts. Automaton has 5155 states and 7673 transitions. Word has length 85 [2018-10-26 19:18:04,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:18:04,661 INFO L481 AbstractCegarLoop]: Abstraction has 5155 states and 7673 transitions. [2018-10-26 19:18:04,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:18:04,661 INFO L276 IsEmpty]: Start isEmpty. Operand 5155 states and 7673 transitions. [2018-10-26 19:18:04,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 19:18:04,668 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:18:04,668 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:18:04,668 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:18:04,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:18:04,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1641369973, now seen corresponding path program 1 times [2018-10-26 19:18:04,669 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:18:04,669 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:18:04,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:18:04,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:18:04,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:18:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:18:05,041 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:18:05,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:18:05,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:18:05,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:18:05,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:18:05,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:18:05,043 INFO L87 Difference]: Start difference. First operand 5155 states and 7673 transitions. Second operand 4 states. [2018-10-26 19:18:22,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:18:22,384 INFO L93 Difference]: Finished difference Result 19942 states and 29912 transitions. [2018-10-26 19:18:22,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:18:22,385 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-10-26 19:18:22,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:18:22,468 INFO L225 Difference]: With dead ends: 19942 [2018-10-26 19:18:22,469 INFO L226 Difference]: Without dead ends: 14789 [2018-10-26 19:18:22,481 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:18:22,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14789 states. [2018-10-26 19:18:22,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14789 to 9909. [2018-10-26 19:18:22,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9909 states. [2018-10-26 19:18:22,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9909 states to 9909 states and 14101 transitions. [2018-10-26 19:18:22,722 INFO L78 Accepts]: Start accepts. Automaton has 9909 states and 14101 transitions. Word has length 99 [2018-10-26 19:18:22,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:18:22,722 INFO L481 AbstractCegarLoop]: Abstraction has 9909 states and 14101 transitions. [2018-10-26 19:18:22,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:18:22,723 INFO L276 IsEmpty]: Start isEmpty. Operand 9909 states and 14101 transitions. [2018-10-26 19:18:22,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 19:18:22,731 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:18:22,732 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:18:22,733 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:18:22,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:18:22,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1687858136, now seen corresponding path program 1 times [2018-10-26 19:18:22,733 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:18:22,733 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:18:22,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:18:22,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:18:22,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:18:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:18:23,088 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:18:23,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:18:23,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:18:23,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:18:23,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:18:23,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:18:23,090 INFO L87 Difference]: Start difference. First operand 9909 states and 14101 transitions. Second operand 4 states. [2018-10-26 19:18:35,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:18:35,710 INFO L93 Difference]: Finished difference Result 35758 states and 50796 transitions. [2018-10-26 19:18:35,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:18:35,711 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 117 [2018-10-26 19:18:35,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:18:35,801 INFO L225 Difference]: With dead ends: 35758 [2018-10-26 19:18:35,802 INFO L226 Difference]: Without dead ends: 25851 [2018-10-26 19:18:35,819 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:18:35,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25851 states. [2018-10-26 19:18:36,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25851 to 19378. [2018-10-26 19:18:36,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19378 states. [2018-10-26 19:18:36,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19378 states to 19378 states and 27266 transitions. [2018-10-26 19:18:36,185 INFO L78 Accepts]: Start accepts. Automaton has 19378 states and 27266 transitions. Word has length 117 [2018-10-26 19:18:36,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:18:36,186 INFO L481 AbstractCegarLoop]: Abstraction has 19378 states and 27266 transitions. [2018-10-26 19:18:36,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:18:36,186 INFO L276 IsEmpty]: Start isEmpty. Operand 19378 states and 27266 transitions. [2018-10-26 19:18:36,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 19:18:36,189 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:18:36,189 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:18:36,189 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:18:36,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:18:36,190 INFO L82 PathProgramCache]: Analyzing trace with hash -98403656, now seen corresponding path program 1 times [2018-10-26 19:18:36,190 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:18:36,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:18:36,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:18:36,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:18:36,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:18:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:18:36,614 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:18:36,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:18:36,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:18:36,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:18:36,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:18:36,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:18:36,616 INFO L87 Difference]: Start difference. First operand 19378 states and 27266 transitions. Second operand 4 states. [2018-10-26 19:18:47,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:18:47,527 INFO L93 Difference]: Finished difference Result 75046 states and 105795 transitions. [2018-10-26 19:18:47,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:18:47,534 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2018-10-26 19:18:47,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:18:47,612 INFO L225 Difference]: With dead ends: 75046 [2018-10-26 19:18:47,612 INFO L226 Difference]: Without dead ends: 55670 [2018-10-26 19:18:47,647 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:18:47,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55670 states. [2018-10-26 19:18:48,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55670 to 55629. [2018-10-26 19:18:48,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55629 states. [2018-10-26 19:18:48,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55629 states to 55629 states and 71690 transitions. [2018-10-26 19:18:48,491 INFO L78 Accepts]: Start accepts. Automaton has 55629 states and 71690 transitions. Word has length 147 [2018-10-26 19:18:48,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:18:48,492 INFO L481 AbstractCegarLoop]: Abstraction has 55629 states and 71690 transitions. [2018-10-26 19:18:48,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:18:48,492 INFO L276 IsEmpty]: Start isEmpty. Operand 55629 states and 71690 transitions. [2018-10-26 19:18:48,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-26 19:18:48,496 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:18:48,496 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:18:48,496 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:18:48,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:18:48,497 INFO L82 PathProgramCache]: Analyzing trace with hash -497647422, now seen corresponding path program 1 times [2018-10-26 19:18:48,497 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:18:48,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:18:48,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:18:48,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:18:48,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:18:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:18:49,124 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:18:49,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:18:49,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:18:49,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:18:49,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:18:49,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:18:49,126 INFO L87 Difference]: Start difference. First operand 55629 states and 71690 transitions. Second operand 4 states. [2018-10-26 19:19:00,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:19:00,488 INFO L93 Difference]: Finished difference Result 175947 states and 226275 transitions. [2018-10-26 19:19:00,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:19:00,489 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 151 [2018-10-26 19:19:00,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:19:00,623 INFO L225 Difference]: With dead ends: 175947 [2018-10-26 19:19:00,623 INFO L226 Difference]: Without dead ends: 120320 [2018-10-26 19:19:00,687 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:19:00,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120320 states. [2018-10-26 19:19:01,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120320 to 87936. [2018-10-26 19:19:01,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87936 states. [2018-10-26 19:19:02,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87936 states to 87936 states and 107868 transitions. [2018-10-26 19:19:02,016 INFO L78 Accepts]: Start accepts. Automaton has 87936 states and 107868 transitions. Word has length 151 [2018-10-26 19:19:02,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:19:02,016 INFO L481 AbstractCegarLoop]: Abstraction has 87936 states and 107868 transitions. [2018-10-26 19:19:02,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:19:02,016 INFO L276 IsEmpty]: Start isEmpty. Operand 87936 states and 107868 transitions. [2018-10-26 19:19:02,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-10-26 19:19:02,022 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:19:02,022 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:19:02,023 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:19:02,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:19:02,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1115686289, now seen corresponding path program 1 times [2018-10-26 19:19:02,023 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:19:02,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:19:02,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:19:02,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:19:02,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:19:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:19:02,281 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 19:19:02,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:19:02,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:19:02,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:19:02,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:19:02,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:19:02,283 INFO L87 Difference]: Start difference. First operand 87936 states and 107868 transitions. Second operand 3 states. [2018-10-26 19:19:11,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:19:11,134 INFO L93 Difference]: Finished difference Result 239692 states and 294369 transitions. [2018-10-26 19:19:11,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:19:11,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 245 [2018-10-26 19:19:11,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:19:11,331 INFO L225 Difference]: With dead ends: 239692 [2018-10-26 19:19:11,331 INFO L226 Difference]: Without dead ends: 151758 [2018-10-26 19:19:11,405 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:19:11,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151758 states. [2018-10-26 19:19:13,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151758 to 151754. [2018-10-26 19:19:13,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151754 states. [2018-10-26 19:19:13,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151754 states to 151754 states and 176082 transitions. [2018-10-26 19:19:13,702 INFO L78 Accepts]: Start accepts. Automaton has 151754 states and 176082 transitions. Word has length 245 [2018-10-26 19:19:13,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:19:13,702 INFO L481 AbstractCegarLoop]: Abstraction has 151754 states and 176082 transitions. [2018-10-26 19:19:13,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:19:13,702 INFO L276 IsEmpty]: Start isEmpty. Operand 151754 states and 176082 transitions. [2018-10-26 19:19:13,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-26 19:19:13,707 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:19:13,708 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:19:13,708 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:19:13,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:19:13,708 INFO L82 PathProgramCache]: Analyzing trace with hash 852106886, now seen corresponding path program 1 times [2018-10-26 19:19:13,708 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:19:13,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:19:13,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:19:13,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:19:13,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:19:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:19:14,206 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-10-26 19:19:14,663 WARN L179 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 10 [2018-10-26 19:19:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-10-26 19:19:14,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:19:14,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:19:14,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 19:19:14,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 19:19:14,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:19:14,750 INFO L87 Difference]: Start difference. First operand 151754 states and 176082 transitions. Second operand 5 states. [2018-10-26 19:19:30,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:19:30,039 INFO L93 Difference]: Finished difference Result 318500 states and 367981 transitions. [2018-10-26 19:19:30,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 19:19:30,040 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 249 [2018-10-26 19:19:30,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:19:30,291 INFO L225 Difference]: With dead ends: 318500 [2018-10-26 19:19:30,292 INFO L226 Difference]: Without dead ends: 166748 [2018-10-26 19:19:30,393 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:19:30,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166748 states. [2018-10-26 19:19:31,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166748 to 163574. [2018-10-26 19:19:31,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163574 states. [2018-10-26 19:19:32,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163574 states to 163574 states and 188221 transitions. [2018-10-26 19:19:32,119 INFO L78 Accepts]: Start accepts. Automaton has 163574 states and 188221 transitions. Word has length 249 [2018-10-26 19:19:32,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:19:32,119 INFO L481 AbstractCegarLoop]: Abstraction has 163574 states and 188221 transitions. [2018-10-26 19:19:32,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 19:19:32,119 INFO L276 IsEmpty]: Start isEmpty. Operand 163574 states and 188221 transitions. [2018-10-26 19:19:32,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-10-26 19:19:32,127 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:19:32,128 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:19:32,128 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:19:32,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:19:32,129 INFO L82 PathProgramCache]: Analyzing trace with hash -968061285, now seen corresponding path program 1 times [2018-10-26 19:19:32,129 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:19:32,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:19:32,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:19:32,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:19:32,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:19:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:19:32,533 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-26 19:19:32,631 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:19:32,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:19:32,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:19:32,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 19:19:32,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 19:19:32,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:19:32,633 INFO L87 Difference]: Start difference. First operand 163574 states and 188221 transitions. Second operand 5 states. [2018-10-26 19:19:55,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:19:55,689 INFO L93 Difference]: Finished difference Result 425971 states and 493320 transitions. [2018-10-26 19:19:55,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 19:19:55,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 313 [2018-10-26 19:19:55,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:19:56,103 INFO L225 Difference]: With dead ends: 425971 [2018-10-26 19:19:56,103 INFO L226 Difference]: Without dead ends: 263187 [2018-10-26 19:19:56,218 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:19:56,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263187 states. [2018-10-26 19:20:00,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263187 to 249574. [2018-10-26 19:20:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249574 states. [2018-10-26 19:20:00,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249574 states to 249574 states and 286409 transitions. [2018-10-26 19:20:00,822 INFO L78 Accepts]: Start accepts. Automaton has 249574 states and 286409 transitions. Word has length 313 [2018-10-26 19:20:00,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:20:00,825 INFO L481 AbstractCegarLoop]: Abstraction has 249574 states and 286409 transitions. [2018-10-26 19:20:00,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 19:20:00,825 INFO L276 IsEmpty]: Start isEmpty. Operand 249574 states and 286409 transitions. [2018-10-26 19:20:00,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-10-26 19:20:00,834 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:20:00,835 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:20:00,835 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:20:00,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:20:00,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1255053189, now seen corresponding path program 1 times [2018-10-26 19:20:00,836 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:20:00,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:20:00,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:20:00,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:20:00,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:20:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:20:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2018-10-26 19:20:01,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:20:01,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 19:20:01,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 19:20:01,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 19:20:01,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:20:01,130 INFO L87 Difference]: Start difference. First operand 249574 states and 286409 transitions. Second operand 5 states. [2018-10-26 19:20:21,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:20:21,019 INFO L93 Difference]: Finished difference Result 607931 states and 698679 transitions. [2018-10-26 19:20:21,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 19:20:21,019 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 346 [2018-10-26 19:20:21,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:20:21,481 INFO L225 Difference]: With dead ends: 607931 [2018-10-26 19:20:21,481 INFO L226 Difference]: Without dead ends: 359147 [2018-10-26 19:20:21,600 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:20:21,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359147 states. [2018-10-26 19:20:25,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359147 to 311001. [2018-10-26 19:20:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311001 states. [2018-10-26 19:20:25,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311001 states to 311001 states and 352487 transitions. [2018-10-26 19:20:25,999 INFO L78 Accepts]: Start accepts. Automaton has 311001 states and 352487 transitions. Word has length 346 [2018-10-26 19:20:25,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:20:25,999 INFO L481 AbstractCegarLoop]: Abstraction has 311001 states and 352487 transitions. [2018-10-26 19:20:26,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 19:20:26,000 INFO L276 IsEmpty]: Start isEmpty. Operand 311001 states and 352487 transitions. [2018-10-26 19:20:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2018-10-26 19:20:26,025 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:20:26,025 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:20:26,026 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:20:26,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:20:26,026 INFO L82 PathProgramCache]: Analyzing trace with hash -925926678, now seen corresponding path program 1 times [2018-10-26 19:20:26,026 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:20:26,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:20:26,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:20:26,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:20:26,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:20:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:20:27,440 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 371 proven. 5 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2018-10-26 19:20:27,441 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:20:27,441 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:20:27,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:20:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:20:27,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:20:27,933 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2018-10-26 19:20:27,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 19:20:27,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-10-26 19:20:27,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 19:20:27,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 19:20:27,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:20:27,961 INFO L87 Difference]: Start difference. First operand 311001 states and 352487 transitions. Second operand 5 states. [2018-10-26 19:20:40,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:20:40,137 INFO L93 Difference]: Finished difference Result 618819 states and 702189 transitions. [2018-10-26 19:20:40,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:20:40,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 503 [2018-10-26 19:20:40,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:20:40,734 INFO L225 Difference]: With dead ends: 618819 [2018-10-26 19:20:40,735 INFO L226 Difference]: Without dead ends: 308608 [2018-10-26 19:20:40,855 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 504 SyntacticMatches, 5 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:20:41,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308608 states. [2018-10-26 19:20:44,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308608 to 305450. [2018-10-26 19:20:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305450 states. [2018-10-26 19:20:44,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305450 states to 305450 states and 333046 transitions. [2018-10-26 19:20:44,945 INFO L78 Accepts]: Start accepts. Automaton has 305450 states and 333046 transitions. Word has length 503 [2018-10-26 19:20:44,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:20:44,945 INFO L481 AbstractCegarLoop]: Abstraction has 305450 states and 333046 transitions. [2018-10-26 19:20:44,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 19:20:44,945 INFO L276 IsEmpty]: Start isEmpty. Operand 305450 states and 333046 transitions. [2018-10-26 19:20:44,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2018-10-26 19:20:44,990 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:20:44,991 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:20:44,991 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:20:44,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:20:44,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1310558906, now seen corresponding path program 1 times [2018-10-26 19:20:44,992 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:20:44,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:20:44,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:20:44,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:20:44,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:20:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:20:46,477 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 19:20:47,007 WARN L179 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2018-10-26 19:20:47,894 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 443 proven. 125 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-26 19:20:47,894 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:20:47,894 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:20:47,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:20:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:20:48,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:20:49,080 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 568 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-26 19:20:49,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 19:20:49,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-10-26 19:20:49,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 19:20:49,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 19:20:49,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-26 19:20:49,103 INFO L87 Difference]: Start difference. First operand 305450 states and 333046 transitions. Second operand 9 states. Received shutdown request... [2018-10-26 19:20:50,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:20:50,422 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-26 19:20:50,428 WARN L205 ceAbstractionStarter]: Timeout [2018-10-26 19:20:50,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:20:50 BoogieIcfgContainer [2018-10-26 19:20:50,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:20:50,430 INFO L168 Benchmark]: Toolchain (without parser) took 220729.95 ms. Allocated memory was 1.5 GB in the beginning and 4.5 GB in the end (delta: 3.0 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -637.1 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-26 19:20:50,432 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-10-26 19:20:50,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2588.54 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. [2018-10-26 19:20:50,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 859.57 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 794.8 MB). Free memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: -987.1 MB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. [2018-10-26 19:20:50,435 INFO L168 Benchmark]: Boogie Preprocessor took 514.62 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. [2018-10-26 19:20:50,436 INFO L168 Benchmark]: RCFGBuilder took 15008.01 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 270.0 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -28.6 MB). Peak memory consumption was 621.2 MB. Max. memory is 7.1 GB. [2018-10-26 19:20:50,436 INFO L168 Benchmark]: TraceAbstraction took 201752.75 ms. Allocated memory was 2.6 GB in the beginning and 4.5 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 64.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-10-26 19:20:50,446 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 2588.54 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 859.57 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 794.8 MB). Free memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: -987.1 MB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 514.62 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 15008.01 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 270.0 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -28.6 MB). Peak memory consumption was 621.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 201752.75 ms. Allocated memory was 2.6 GB in the beginning and 4.5 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 64.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 48). Cancelled while BasicCegarLoop was constructing difference of abstraction (305450states) and FLOYD_HOARE automaton (currently 4 states, 9 states before enhancement),while ReachableStatesComputation was computing reachable states (150 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1099 locations, 1 error locations. TIMEOUT Result, 201.6s OverallTime, 12 OverallIterations, 6 TraceHistogramMax, 170.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9860 SDtfs, 28381 SDslu, 3125 SDs, 0 SdLazy, 55736 SolverSat, 14449 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 132.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1097 GetRequests, 1055 SyntacticMatches, 10 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=311001occurred in iteration=10, 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: 20.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 112812 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 3855 NumberOfCodeBlocks, 3855 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3841 ConstructedInterpolants, 0 QuantifiedInterpolants, 6178981 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1379 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 4113/4243 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown