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_label49_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 20:21:32,624 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 20:21:32,629 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 20:21:32,641 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 20:21:32,641 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 20:21:32,642 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 20:21:32,644 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 20:21:32,645 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 20:21:32,647 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 20:21:32,648 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 20:21:32,649 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 20:21:32,649 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 20:21:32,650 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 20:21:32,651 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 20:21:32,652 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 20:21:32,653 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 20:21:32,654 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 20:21:32,656 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 20:21:32,657 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 20:21:32,662 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 20:21:32,665 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 20:21:32,667 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 20:21:32,671 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 20:21:32,682 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 20:21:32,708 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 20:21:32,709 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 20:21:32,710 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 20:21:32,710 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 20:21:32,710 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 20:21:32,712 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 20:21:32,712 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 20:21:32,712 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 20:21:32,712 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 20:21:32,712 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 20:21:32,713 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 20:21:32,713 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 20:21:32,713 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 20:21:32,713 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 20:21:32,713 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 20:21:32,714 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 20:21:32,715 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 20:21:32,715 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 20:21:32,715 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 20:21:32,716 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 20:21:32,716 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 20:21:32,716 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 20:21:32,716 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 20:21:32,716 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 20:21:32,716 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 20:21:32,717 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 20:21:32,717 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 20:21:32,717 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 20:21:32,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 20:21:32,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 20:21:32,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 20:21:32,787 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 20:21:32,787 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 20:21:32,788 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label49_true-unreach-call.c [2018-10-23 20:21:32,853 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ab1d4336a/d8876e08e0cf4b88b7238afb59330deb/FLAGecb36da7d [2018-10-23 20:21:33,654 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 20:21:33,655 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label49_true-unreach-call.c [2018-10-23 20:21:33,693 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ab1d4336a/d8876e08e0cf4b88b7238afb59330deb/FLAGecb36da7d [2018-10-23 20:21:33,711 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ab1d4336a/d8876e08e0cf4b88b7238afb59330deb [2018-10-23 20:21:33,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 20:21:33,727 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 20:21:33,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 20:21:33,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 20:21:33,734 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 20:21:33,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:21:33" (1/1) ... [2018-10-23 20:21:33,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a5ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:21:33, skipping insertion in model container [2018-10-23 20:21:33,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:21:33" (1/1) ... [2018-10-23 20:21:33,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 20:21:33,932 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 20:21:35,571 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 20:21:35,575 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 20:21:36,231 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 20:21:36,265 INFO L193 MainTranslator]: Completed translation [2018-10-23 20:21:36,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:21:36 WrapperNode [2018-10-23 20:21:36,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 20:21:36,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 20:21:36,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 20:21:36,268 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 20:21:36,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:21:36" (1/1) ... [2018-10-23 20:21:36,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:21:36" (1/1) ... [2018-10-23 20:21:37,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 20:21:37,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 20:21:37,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 20:21:37,072 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 20:21:37,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:21:36" (1/1) ... [2018-10-23 20:21:37,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:21:36" (1/1) ... [2018-10-23 20:21:37,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:21:36" (1/1) ... [2018-10-23 20:21:37,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:21:36" (1/1) ... [2018-10-23 20:21:37,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:21:36" (1/1) ... [2018-10-23 20:21:37,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:21:36" (1/1) ... [2018-10-23 20:21:37,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:21:36" (1/1) ... [2018-10-23 20:21:37,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 20:21:37,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 20:21:37,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 20:21:37,547 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 20:21:37,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:21:36" (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 20:21:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-23 20:21:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 20:21:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 20:21:53,133 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 20:21:53,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:21:53 BoogieIcfgContainer [2018-10-23 20:21:53,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 20:21:53,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 20:21:53,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 20:21:53,138 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 20:21:53,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:21:33" (1/3) ... [2018-10-23 20:21:53,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77124287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:21:53, skipping insertion in model container [2018-10-23 20:21:53,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:21:36" (2/3) ... [2018-10-23 20:21:53,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77124287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:21:53, skipping insertion in model container [2018-10-23 20:21:53,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:21:53" (3/3) ... [2018-10-23 20:21:53,143 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label49_true-unreach-call.c [2018-10-23 20:21:53,153 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 20:21:53,163 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 20:21:53,180 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 20:21:53,236 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 20:21:53,237 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 20:21:53,237 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 20:21:53,237 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 20:21:53,237 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 20:21:53,237 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 20:21:53,237 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 20:21:53,238 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 20:21:53,238 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 20:21:53,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2018-10-23 20:21:53,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-23 20:21:53,305 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:21:53,306 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:21:53,308 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:21:53,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:21:53,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1281577798, now seen corresponding path program 1 times [2018-10-23 20:21:53,316 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:21:53,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:21:53,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:21:53,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:21:53,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:21:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:21:53,841 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 20:21:53,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:21:53,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 20:21:53,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:21:53,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:21:53,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:21:53,870 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 4 states. [2018-10-23 20:22:12,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:22:12,821 INFO L93 Difference]: Finished difference Result 3991 states and 7504 transitions. [2018-10-23 20:22:12,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:22:12,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-10-23 20:22:12,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:22:12,871 INFO L225 Difference]: With dead ends: 3991 [2018-10-23 20:22:12,871 INFO L226 Difference]: Without dead ends: 2885 [2018-10-23 20:22:12,882 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 [2018-10-23 20:22:12,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2885 states. [2018-10-23 20:22:13,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2885 to 1946. [2018-10-23 20:22:13,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1946 states. [2018-10-23 20:22:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 3412 transitions. [2018-10-23 20:22:13,035 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 3412 transitions. Word has length 59 [2018-10-23 20:22:13,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:22:13,036 INFO L481 AbstractCegarLoop]: Abstraction has 1946 states and 3412 transitions. [2018-10-23 20:22:13,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:22:13,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 3412 transitions. [2018-10-23 20:22:13,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-23 20:22:13,042 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:22:13,042 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:22:13,042 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:22:13,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:22:13,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1396402041, now seen corresponding path program 1 times [2018-10-23 20:22:13,043 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:22:13,043 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:22:13,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:22:13,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:22:13,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:22:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:22:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 20:22:13,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:22:13,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 20:22:13,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:22:13,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:22:13,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:22:13,306 INFO L87 Difference]: Start difference. First operand 1946 states and 3412 transitions. Second operand 4 states. [2018-10-23 20:22:28,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:22:28,136 INFO L93 Difference]: Finished difference Result 7107 states and 12745 transitions. [2018-10-23 20:22:28,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:22:28,136 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2018-10-23 20:22:28,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:22:28,167 INFO L225 Difference]: With dead ends: 7107 [2018-10-23 20:22:28,167 INFO L226 Difference]: Without dead ends: 5163 [2018-10-23 20:22:28,172 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:22:28,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5163 states. [2018-10-23 20:22:28,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5163 to 5141. [2018-10-23 20:22:28,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5141 states. [2018-10-23 20:22:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5141 states to 5141 states and 8063 transitions. [2018-10-23 20:22:28,272 INFO L78 Accepts]: Start accepts. Automaton has 5141 states and 8063 transitions. Word has length 126 [2018-10-23 20:22:28,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:22:28,273 INFO L481 AbstractCegarLoop]: Abstraction has 5141 states and 8063 transitions. [2018-10-23 20:22:28,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:22:28,273 INFO L276 IsEmpty]: Start isEmpty. Operand 5141 states and 8063 transitions. [2018-10-23 20:22:28,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-23 20:22:28,278 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:22:28,278 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-23 20:22:28,279 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:22:28,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:22:28,279 INFO L82 PathProgramCache]: Analyzing trace with hash -475148071, now seen corresponding path program 1 times [2018-10-23 20:22:28,279 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:22:28,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:22:28,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:22:28,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:22:28,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:22:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:22:28,671 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 20:22:28,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:22:28,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 20:22:28,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:22:28,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:22:28,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:22:28,673 INFO L87 Difference]: Start difference. First operand 5141 states and 8063 transitions. Second operand 4 states. [2018-10-23 20:22:40,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:22:40,021 INFO L93 Difference]: Finished difference Result 13480 states and 21596 transitions. [2018-10-23 20:22:40,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:22:40,022 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 156 [2018-10-23 20:22:40,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:22:40,063 INFO L225 Difference]: With dead ends: 13480 [2018-10-23 20:22:40,064 INFO L226 Difference]: Without dead ends: 8341 [2018-10-23 20:22:40,073 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:22:40,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8341 states. [2018-10-23 20:22:40,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8341 to 8306. [2018-10-23 20:22:40,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8306 states. [2018-10-23 20:22:40,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8306 states to 8306 states and 12291 transitions. [2018-10-23 20:22:40,258 INFO L78 Accepts]: Start accepts. Automaton has 8306 states and 12291 transitions. Word has length 156 [2018-10-23 20:22:40,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:22:40,259 INFO L481 AbstractCegarLoop]: Abstraction has 8306 states and 12291 transitions. [2018-10-23 20:22:40,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:22:40,261 INFO L276 IsEmpty]: Start isEmpty. Operand 8306 states and 12291 transitions. [2018-10-23 20:22:40,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-23 20:22:40,265 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:22:40,266 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:22:40,267 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:22:40,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:22:40,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1043698077, now seen corresponding path program 1 times [2018-10-23 20:22:40,267 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:22:40,267 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:22:40,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:22:40,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:22:40,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:22:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:22:40,753 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-23 20:22:40,776 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 20:22:40,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:22:40,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 20:22:40,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:22:40,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:22:40,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:22:40,777 INFO L87 Difference]: Start difference. First operand 8306 states and 12291 transitions. Second operand 4 states. [2018-10-23 20:22:50,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:22:50,967 INFO L93 Difference]: Finished difference Result 32419 states and 48135 transitions. [2018-10-23 20:22:50,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:22:50,968 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2018-10-23 20:22:50,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:22:51,211 INFO L225 Difference]: With dead ends: 32419 [2018-10-23 20:22:51,211 INFO L226 Difference]: Without dead ends: 24115 [2018-10-23 20:22:51,222 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:22:51,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24115 states. [2018-10-23 20:22:51,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24115 to 24106. [2018-10-23 20:22:51,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24106 states. [2018-10-23 20:22:51,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24106 states to 24106 states and 33018 transitions. [2018-10-23 20:22:51,579 INFO L78 Accepts]: Start accepts. Automaton has 24106 states and 33018 transitions. Word has length 160 [2018-10-23 20:22:51,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:22:51,580 INFO L481 AbstractCegarLoop]: Abstraction has 24106 states and 33018 transitions. [2018-10-23 20:22:51,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:22:51,580 INFO L276 IsEmpty]: Start isEmpty. Operand 24106 states and 33018 transitions. [2018-10-23 20:22:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-23 20:22:51,586 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:22:51,586 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-23 20:22:51,587 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:22:51,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:22:51,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1354219912, now seen corresponding path program 1 times [2018-10-23 20:22:51,587 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:22:51,587 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:22:51,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:22:51,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:22:51,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:22:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:22:52,144 WARN L179 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-10-23 20:22:52,595 WARN L179 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 10 [2018-10-23 20:22:52,672 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-23 20:22:52,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:22:52,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 20:22:52,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 20:22:52,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 20:22:52,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 20:22:52,674 INFO L87 Difference]: Start difference. First operand 24106 states and 33018 transitions. Second operand 5 states. [2018-10-23 20:23:06,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:23:06,910 INFO L93 Difference]: Finished difference Result 55348 states and 74217 transitions. [2018-10-23 20:23:06,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 20:23:06,910 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 223 [2018-10-23 20:23:06,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:23:06,973 INFO L225 Difference]: With dead ends: 55348 [2018-10-23 20:23:06,973 INFO L226 Difference]: Without dead ends: 31244 [2018-10-23 20:23:07,004 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 [2018-10-23 20:23:07,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31244 states. [2018-10-23 20:23:07,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31244 to 30418. [2018-10-23 20:23:07,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30418 states. [2018-10-23 20:23:07,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30418 states to 30418 states and 39945 transitions. [2018-10-23 20:23:07,697 INFO L78 Accepts]: Start accepts. Automaton has 30418 states and 39945 transitions. Word has length 223 [2018-10-23 20:23:07,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:23:07,697 INFO L481 AbstractCegarLoop]: Abstraction has 30418 states and 39945 transitions. [2018-10-23 20:23:07,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 20:23:07,698 INFO L276 IsEmpty]: Start isEmpty. Operand 30418 states and 39945 transitions. [2018-10-23 20:23:07,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-10-23 20:23:07,707 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:23:07,708 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-23 20:23:07,708 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:23:07,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:23:07,708 INFO L82 PathProgramCache]: Analyzing trace with hash -40276901, now seen corresponding path program 1 times [2018-10-23 20:23:07,709 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:23:07,709 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:23:07,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:23:07,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:23:07,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:23:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:23:08,157 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-23 20:23:08,455 WARN L179 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2018-10-23 20:23:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 274 proven. 4 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-10-23 20:23:08,663 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 20:23:08,663 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 [2018-10-23 20:23:08,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:23:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:23:08,791 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 20:23:09,013 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-10-23 20:23:09,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 20:23:09,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2018-10-23 20:23:09,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 20:23:09,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 20:23:09,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 20:23:09,048 INFO L87 Difference]: Start difference. First operand 30418 states and 39945 transitions. Second operand 6 states. [2018-10-23 20:23:29,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:23:29,155 INFO L93 Difference]: Finished difference Result 149864 states and 196943 transitions. [2018-10-23 20:23:29,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 20:23:29,155 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 296 [2018-10-23 20:23:29,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:23:29,344 INFO L225 Difference]: With dead ends: 149864 [2018-10-23 20:23:29,345 INFO L226 Difference]: Without dead ends: 119448 [2018-10-23 20:23:29,399 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 296 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2018-10-23 20:23:29,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119448 states. [2018-10-23 20:23:31,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119448 to 117079. [2018-10-23 20:23:31,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117079 states. [2018-10-23 20:23:31,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117079 states to 117079 states and 136756 transitions. [2018-10-23 20:23:31,857 INFO L78 Accepts]: Start accepts. Automaton has 117079 states and 136756 transitions. Word has length 296 [2018-10-23 20:23:31,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:23:31,858 INFO L481 AbstractCegarLoop]: Abstraction has 117079 states and 136756 transitions. [2018-10-23 20:23:31,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 20:23:31,858 INFO L276 IsEmpty]: Start isEmpty. Operand 117079 states and 136756 transitions. [2018-10-23 20:23:31,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2018-10-23 20:23:31,893 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:23:31,894 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:23:31,894 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:23:31,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:23:31,895 INFO L82 PathProgramCache]: Analyzing trace with hash 341673552, now seen corresponding path program 1 times [2018-10-23 20:23:31,895 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:23:31,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:23:31,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:23:31,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:23:31,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:23:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:23:32,533 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-23 20:23:32,765 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-10-23 20:23:32,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:23:32,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 20:23:32,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 20:23:32,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 20:23:32,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 20:23:32,768 INFO L87 Difference]: Start difference. First operand 117079 states and 136756 transitions. Second operand 5 states. [2018-10-23 20:23:52,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:23:52,167 INFO L93 Difference]: Finished difference Result 355595 states and 415043 transitions. [2018-10-23 20:23:52,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 20:23:52,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 465 [2018-10-23 20:23:52,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:23:52,525 INFO L225 Difference]: With dead ends: 355595 [2018-10-23 20:23:52,525 INFO L226 Difference]: Without dead ends: 239306 [2018-10-23 20:23:52,633 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 [2018-10-23 20:23:52,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239306 states. [2018-10-23 20:23:55,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239306 to 236140. [2018-10-23 20:23:55,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236140 states. [2018-10-23 20:23:56,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236140 states to 236140 states and 265627 transitions. [2018-10-23 20:23:56,823 INFO L78 Accepts]: Start accepts. Automaton has 236140 states and 265627 transitions. Word has length 465 [2018-10-23 20:23:56,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:23:56,823 INFO L481 AbstractCegarLoop]: Abstraction has 236140 states and 265627 transitions. [2018-10-23 20:23:56,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 20:23:56,823 INFO L276 IsEmpty]: Start isEmpty. Operand 236140 states and 265627 transitions. [2018-10-23 20:23:56,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2018-10-23 20:23:56,872 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:23:56,873 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:23:56,873 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:23:56,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:23:56,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1845717652, now seen corresponding path program 1 times [2018-10-23 20:23:56,874 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:23:56,874 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:23:56,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:23:56,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:23:56,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:23:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:23:57,383 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 7 [2018-10-23 20:23:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-23 20:23:57,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:23:57,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 20:23:57,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:23:57,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:23:57,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:23:57,677 INFO L87 Difference]: Start difference. First operand 236140 states and 265627 transitions. Second operand 4 states. [2018-10-23 20:24:07,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:24:07,247 INFO L93 Difference]: Finished difference Result 488037 states and 548591 transitions. [2018-10-23 20:24:07,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:24:07,247 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 534 [2018-10-23 20:24:07,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:24:07,512 INFO L225 Difference]: With dead ends: 488037 [2018-10-23 20:24:07,512 INFO L226 Difference]: Without dead ends: 234512 [2018-10-23 20:24:08,980 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:24:09,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234512 states. [2018-10-23 20:24:10,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234512 to 216365. [2018-10-23 20:24:10,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216365 states. [2018-10-23 20:24:10,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216365 states to 216365 states and 239639 transitions. [2018-10-23 20:24:10,945 INFO L78 Accepts]: Start accepts. Automaton has 216365 states and 239639 transitions. Word has length 534 [2018-10-23 20:24:10,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:24:10,945 INFO L481 AbstractCegarLoop]: Abstraction has 216365 states and 239639 transitions. [2018-10-23 20:24:10,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:24:10,945 INFO L276 IsEmpty]: Start isEmpty. Operand 216365 states and 239639 transitions. [2018-10-23 20:24:10,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2018-10-23 20:24:10,975 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:24:10,976 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:24:10,976 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:24:10,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:24:10,976 INFO L82 PathProgramCache]: Analyzing trace with hash 3769002, now seen corresponding path program 1 times [2018-10-23 20:24:10,977 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:24:10,977 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:24:10,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:24:10,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:24:10,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:24:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:24:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-10-23 20:24:12,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:24:12,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 20:24:12,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 20:24:12,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 20:24:12,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 20:24:12,618 INFO L87 Difference]: Start difference. First operand 216365 states and 239639 transitions. Second operand 5 states. [2018-10-23 20:24:39,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:24:39,517 INFO L93 Difference]: Finished difference Result 582773 states and 649677 transitions. [2018-10-23 20:24:39,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 20:24:39,517 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 560 [2018-10-23 20:24:39,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:24:39,885 INFO L225 Difference]: With dead ends: 582773 [2018-10-23 20:24:39,885 INFO L226 Difference]: Without dead ends: 365618 [2018-10-23 20:24:39,944 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 20:24:40,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365618 states. [2018-10-23 20:24:50,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365618 to 348056. [2018-10-23 20:24:50,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348056 states. [2018-10-23 20:24:50,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348056 states to 348056 states and 384607 transitions. [2018-10-23 20:24:50,464 INFO L78 Accepts]: Start accepts. Automaton has 348056 states and 384607 transitions. Word has length 560 [2018-10-23 20:24:50,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:24:50,465 INFO L481 AbstractCegarLoop]: Abstraction has 348056 states and 384607 transitions. [2018-10-23 20:24:50,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 20:24:50,465 INFO L276 IsEmpty]: Start isEmpty. Operand 348056 states and 384607 transitions. [2018-10-23 20:24:50,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2018-10-23 20:24:50,487 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:24:50,487 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:24:50,487 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:24:50,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:24:50,488 INFO L82 PathProgramCache]: Analyzing trace with hash 850010646, now seen corresponding path program 1 times [2018-10-23 20:24:50,488 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:24:50,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:24:50,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:24:50,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:24:50,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:24:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:24:51,107 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 6 [2018-10-23 20:24:52,030 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 471 proven. 8 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-10-23 20:24:52,030 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 20:24:52,030 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 [2018-10-23 20:24:52,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:24:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:24:52,195 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 20:24:52,376 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2018-10-23 20:24:52,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 20:24:52,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-10-23 20:24:52,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 20:24:52,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 20:24:52,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-23 20:24:52,399 INFO L87 Difference]: Start difference. First operand 348056 states and 384607 transitions. Second operand 5 states. [2018-10-23 20:25:06,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:25:06,737 INFO L93 Difference]: Finished difference Result 719738 states and 797272 transitions. [2018-10-23 20:25:06,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 20:25:06,738 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 595 [2018-10-23 20:25:06,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:25:07,812 INFO L225 Difference]: With dead ends: 719738 [2018-10-23 20:25:07,812 INFO L226 Difference]: Without dead ends: 366913 [2018-10-23 20:25:07,902 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 594 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-23 20:25:08,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366913 states. [2018-10-23 20:25:11,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366913 to 340888. [2018-10-23 20:25:11,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340888 states. [2018-10-23 20:25:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340888 states to 340888 states and 367161 transitions. [2018-10-23 20:25:12,244 INFO L78 Accepts]: Start accepts. Automaton has 340888 states and 367161 transitions. Word has length 595 [2018-10-23 20:25:12,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:25:12,245 INFO L481 AbstractCegarLoop]: Abstraction has 340888 states and 367161 transitions. [2018-10-23 20:25:12,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 20:25:12,245 INFO L276 IsEmpty]: Start isEmpty. Operand 340888 states and 367161 transitions. [2018-10-23 20:25:12,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 759 [2018-10-23 20:25:12,272 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:25:12,272 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:25:12,273 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:25:12,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:25:12,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1814761810, now seen corresponding path program 1 times [2018-10-23 20:25:12,273 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:25:12,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:25:12,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:25:12,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:25:12,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:25:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:25:12,741 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 Received shutdown request... [2018-10-23 20:25:13,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1133 backedges. 913 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-10-23 20:25:13,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:25:13,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 20:25:13,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:25:13,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:25:13,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:25:13,731 INFO L87 Difference]: Start difference. First operand 340888 states and 367161 transitions. Second operand 4 states. [2018-10-23 20:25:13,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-23 20:25:13,732 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 20:25:13,737 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 20:25:13,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:25:13 BoogieIcfgContainer [2018-10-23 20:25:13,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 20:25:13,739 INFO L168 Benchmark]: Toolchain (without parser) took 220013.51 ms. Allocated memory was 1.5 GB in the beginning and 4.6 GB in the end (delta: 3.0 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -497.0 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-10-23 20:25:13,740 INFO L168 Benchmark]: CDTParser took 0.21 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 20:25:13,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2538.32 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. [2018-10-23 20:25:13,741 INFO L168 Benchmark]: Boogie Procedure Inliner took 804.05 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 822.6 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2018-10-23 20:25:13,742 INFO L168 Benchmark]: Boogie Preprocessor took 474.54 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 81.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2018-10-23 20:25:13,743 INFO L168 Benchmark]: RCFGBuilder took 15587.87 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 218.1 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 45.8 MB). Peak memory consumption was 576.9 MB. Max. memory is 7.1 GB. [2018-10-23 20:25:13,743 INFO L168 Benchmark]: TraceAbstraction took 200602.86 ms. Allocated memory was 2.6 GB in the beginning and 4.6 GB in the end (delta: 2.0 GB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 142.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-23 20:25:13,748 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 2538.32 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 804.05 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 822.6 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 474.54 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 81.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 15587.87 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 218.1 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 45.8 MB). Peak memory consumption was 576.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 200602.86 ms. Allocated memory was 2.6 GB in the beginning and 4.6 GB in the end (delta: 2.0 GB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 142.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 186]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 186). Cancelled while BasicCegarLoop was constructing difference of abstraction (340888states) and FLOYD_HOARE automaton (currently 2 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1099 locations, 1 error locations. TIMEOUT Result, 200.5s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 164.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7751 SDtfs, 29312 SDslu, 3734 SDs, 0 SdLazy, 59459 SolverSat, 14141 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 131.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 935 GetRequests, 901 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=348056occurred in iteration=9, 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: 24.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 69100 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 4823 NumberOfCodeBlocks, 4823 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 4810 ConstructedInterpolants, 0 QuantifiedInterpolants, 5555586 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1168 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 5358/5370 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown