java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 12:46:03,252 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 12:46:03,254 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 12:46:03,266 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-10-04 12:46:03,304 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf [2018-10-04 12:46:03,331 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 12:46:03,331 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 12:46:03,332 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 12:46:03,333 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 12:46:03,333 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 12:46:03,333 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 12:46:03,334 INFO L133 SettingsManager]: * Use SBE=true [2018-10-04 12:46:03,334 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 12:46:03,334 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 12:46:03,334 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 12:46:03,334 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 12:46:03,335 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 12:46:03,336 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 12:46:03,336 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 12:46:03,336 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 12:46:03,336 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 12:46:03,336 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 12:46:03,336 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 12:46:03,337 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 12:46:03,337 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-04 12:46:03,337 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 12:46:03,337 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-04 12:46:03,337 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 12:46:03,337 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 12:46:03,338 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 12:46:03,338 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 12:46:03,338 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-04 12:46:03,338 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 12:46:03,338 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 12:46:03,339 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 12:46:03,339 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 12:46:03,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 12:46:03,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 12:46:03,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 12:46:03,421 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 12:46:03,422 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 12:46:03,423 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-10-04 12:46:03,423 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl' [2018-10-04 12:46:03,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 12:46:03,473 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 12:46:03,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 12:46:03,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 12:46:03,474 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 12:46:03,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:46:03" (1/1) ... [2018-10-04 12:46:03,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:46:03" (1/1) ... [2018-10-04 12:46:03,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 12:46:03,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 12:46:03,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 12:46:03,514 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 12:46:03,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:46:03" (1/1) ... [2018-10-04 12:46:03,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:46:03" (1/1) ... [2018-10-04 12:46:03,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:46:03" (1/1) ... [2018-10-04 12:46:03,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:46:03" (1/1) ... [2018-10-04 12:46:03,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:46:03" (1/1) ... [2018-10-04 12:46:03,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:46:03" (1/1) ... [2018-10-04 12:46:03,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:46:03" (1/1) ... [2018-10-04 12:46:03,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 12:46:03,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 12:46:03,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 12:46:03,536 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 12:46:03,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:46:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-10-04 12:46:03,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-04 12:46:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 12:46:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 12:46:03,866 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 12:46:03,867 INFO L202 PluginConnector]: Adding new model nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:46:03 BoogieIcfgContainer [2018-10-04 12:46:03,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 12:46:03,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-04 12:46:03,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-04 12:46:03,872 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-04 12:46:03,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:46:03" (1/2) ... [2018-10-04 12:46:03,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fc99c9a and model type nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 12:46:03, skipping insertion in model container [2018-10-04 12:46:03,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:46:03" (2/2) ... [2018-10-04 12:46:03,875 INFO L112 eAbstractionObserver]: Analyzing ICFG nested.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-10-04 12:46:03,886 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-04 12:46:03,894 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-04 12:46:03,946 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-04 12:46:03,947 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-04 12:46:03,947 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-04 12:46:03,948 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-04 12:46:03,948 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-04 12:46:03,948 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-04 12:46:03,948 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-04 12:46:03,948 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-04 12:46:03,949 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-04 12:46:03,964 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-10-04 12:46:03,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 12:46:03,971 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:03,972 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-10-04 12:46:03,973 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:03,980 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:03,980 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2018-10-04 12:46:03,983 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:03,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:04,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:04,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:46:04,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:04,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 12:46:04,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:46:04,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 12:46:04,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:46:04,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:46:04,219 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:04,221 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-10-04 12:46:04,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:04,315 INFO L93 Difference]: Finished difference Result 11 states and 17 transitions. [2018-10-04 12:46:04,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:46:04,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-10-04 12:46:04,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:04,333 INFO L225 Difference]: With dead ends: 11 [2018-10-04 12:46:04,333 INFO L226 Difference]: Without dead ends: 7 [2018-10-04 12:46:04,338 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 12:46:04,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-10-04 12:46:04,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2018-10-04 12:46:04,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-10-04 12:46:04,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2018-10-04 12:46:04,422 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 3 [2018-10-04 12:46:04,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:04,422 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-10-04 12:46:04,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:46:04,423 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-10-04 12:46:04,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 12:46:04,423 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:04,423 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-10-04 12:46:04,424 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:04,424 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:04,424 INFO L82 PathProgramCache]: Analyzing trace with hash 28854189, now seen corresponding path program 1 times [2018-10-04 12:46:04,424 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:04,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:04,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:04,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:46:04,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:04,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 12:46:04,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:46:04,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:46:04,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-04 12:46:04,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-04 12:46:04,559 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:04,559 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. Second operand 4 states. [2018-10-04 12:46:04,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:04,626 INFO L93 Difference]: Finished difference Result 11 states and 14 transitions. [2018-10-04 12:46:04,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-04 12:46:04,627 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-10-04 12:46:04,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:04,628 INFO L225 Difference]: With dead ends: 11 [2018-10-04 12:46:04,628 INFO L226 Difference]: Without dead ends: 7 [2018-10-04 12:46:04,629 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time 0.0s impTime 3 [2018-10-04 12:46:04,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-10-04 12:46:04,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-10-04 12:46:04,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-10-04 12:46:04,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2018-10-04 12:46:04,632 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 5 [2018-10-04 12:46:04,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:04,632 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2018-10-04 12:46:04,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-04 12:46:04,633 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-04 12:46:04,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 12:46:04,633 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:04,633 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-10-04 12:46:04,634 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:04,634 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:04,634 INFO L82 PathProgramCache]: Analyzing trace with hash 894431694, now seen corresponding path program 1 times [2018-10-04 12:46:04,634 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:04,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:04,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:04,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:46:04,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:04,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 12:46:04,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:46:04,734 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-10-04 12:46:04,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:46:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:04,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:46:05,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 12:46:05,082 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:46:05,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-10-04 12:46:05,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-04 12:46:05,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-04 12:46:05,083 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:05,084 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. Second operand 7 states. [2018-10-04 12:46:05,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:05,146 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2018-10-04 12:46:05,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-04 12:46:05,147 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-10-04 12:46:05,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:05,148 INFO L225 Difference]: With dead ends: 13 [2018-10-04 12:46:05,148 INFO L226 Difference]: Without dead ends: 8 [2018-10-04 12:46:05,149 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time 0.1s impTime 4 [2018-10-04 12:46:05,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-10-04 12:46:05,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-10-04 12:46:05,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-10-04 12:46:05,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2018-10-04 12:46:05,153 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2018-10-04 12:46:05,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:05,153 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2018-10-04 12:46:05,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-04 12:46:05,153 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-04 12:46:05,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 12:46:05,155 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:05,155 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2018-10-04 12:46:05,155 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:05,156 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:05,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1957530573, now seen corresponding path program 2 times [2018-10-04 12:46:05,156 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:05,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:05,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:05,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:46:05,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:05,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 12:46:05,359 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:46:05,359 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-10-04 12:46:05,375 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-04 12:46:05,404 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-04 12:46:05,404 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-04 12:46:05,405 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:46:05,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-04 12:46:05,506 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:46:05,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 7 [2018-10-04 12:46:05,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-04 12:46:05,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-04 12:46:05,508 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:05,508 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 8 states. [2018-10-04 12:46:06,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:06,196 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2018-10-04 12:46:06,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-04 12:46:06,197 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 7 [2018-10-04 12:46:06,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:06,198 INFO L225 Difference]: With dead ends: 24 [2018-10-04 12:46:06,198 INFO L226 Difference]: Without dead ends: 18 [2018-10-04 12:46:06,199 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time 0.5s impTime 9 [2018-10-04 12:46:06,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-10-04 12:46:06,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 14. [2018-10-04 12:46:06,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-10-04 12:46:06,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2018-10-04 12:46:06,206 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 7 [2018-10-04 12:46:06,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:06,206 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2018-10-04 12:46:06,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-04 12:46:06,206 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-10-04 12:46:06,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 12:46:06,207 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:06,207 INFO L375 BasicCegarLoop]: trace histogram [6, 2, 2, 1, 1, 1] [2018-10-04 12:46:06,208 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:06,208 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:06,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1143121891, now seen corresponding path program 3 times [2018-10-04 12:46:06,208 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:06,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:06,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:06,210 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-04 12:46:06,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:06,327 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-04 12:46:06,327 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:46:06,327 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:46:06,343 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-04 12:46:06,362 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-10-04 12:46:06,362 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-04 12:46:06,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:46:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-04 12:46:06,577 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:46:06,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-10-04 12:46:06,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-04 12:46:06,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-04 12:46:06,579 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:06,579 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 11 states. [2018-10-04 12:46:06,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:06,762 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2018-10-04 12:46:06,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-04 12:46:06,763 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 13 [2018-10-04 12:46:06,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:06,764 INFO L225 Difference]: With dead ends: 24 [2018-10-04 12:46:06,765 INFO L226 Difference]: Without dead ends: 16 [2018-10-04 12:46:06,765 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time 0.1s impTime 6 [2018-10-04 12:46:06,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-10-04 12:46:06,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-10-04 12:46:06,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-10-04 12:46:06,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2018-10-04 12:46:06,772 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2018-10-04 12:46:06,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:06,773 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2018-10-04 12:46:06,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-04 12:46:06,773 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-10-04 12:46:06,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 12:46:06,774 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:06,774 INFO L375 BasicCegarLoop]: trace histogram [8, 2, 2, 1, 1, 1] [2018-10-04 12:46:06,774 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:06,774 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:06,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1762706263, now seen corresponding path program 4 times [2018-10-04 12:46:06,775 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:06,775 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:06,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:06,776 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-04 12:46:06,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:07,024 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-04 12:46:07,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:46:07,025 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:46:07,033 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-04 12:46:07,072 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-04 12:46:07,072 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-04 12:46:07,076 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:46:07,183 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-04 12:46:07,203 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:46:07,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-10-04 12:46:07,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-04 12:46:07,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-04 12:46:07,204 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:07,204 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand 13 states. [2018-10-04 12:46:07,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:07,286 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2018-10-04 12:46:07,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-04 12:46:07,288 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 15 [2018-10-04 12:46:07,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:07,289 INFO L225 Difference]: With dead ends: 27 [2018-10-04 12:46:07,289 INFO L226 Difference]: Without dead ends: 18 [2018-10-04 12:46:07,289 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time 0.1s impTime 7 [2018-10-04 12:46:07,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-10-04 12:46:07,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-10-04 12:46:07,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-10-04 12:46:07,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2018-10-04 12:46:07,295 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 15 [2018-10-04 12:46:07,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:07,295 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2018-10-04 12:46:07,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-04 12:46:07,295 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-10-04 12:46:07,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 12:46:07,296 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:07,296 INFO L375 BasicCegarLoop]: trace histogram [10, 2, 2, 1, 1, 1] [2018-10-04 12:46:07,297 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:07,297 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:07,297 INFO L82 PathProgramCache]: Analyzing trace with hash 650597027, now seen corresponding path program 5 times [2018-10-04 12:46:07,297 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:07,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:07,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:07,299 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-04 12:46:07,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:07,565 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-04 12:46:07,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:46:07,566 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:46:07,574 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-10-04 12:46:07,599 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2018-10-04 12:46:07,599 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-04 12:46:07,602 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:46:07,686 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-04 12:46:07,708 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:46:07,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-10-04 12:46:07,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-04 12:46:07,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-04 12:46:07,709 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:07,710 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 15 states. [2018-10-04 12:46:07,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:07,766 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2018-10-04 12:46:07,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-04 12:46:07,768 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 17 [2018-10-04 12:46:07,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:07,768 INFO L225 Difference]: With dead ends: 30 [2018-10-04 12:46:07,769 INFO L226 Difference]: Without dead ends: 20 [2018-10-04 12:46:07,769 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time 0.1s impTime 8 [2018-10-04 12:46:07,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-10-04 12:46:07,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-10-04 12:46:07,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-10-04 12:46:07,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2018-10-04 12:46:07,775 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 17 [2018-10-04 12:46:07,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:07,775 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2018-10-04 12:46:07,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-04 12:46:07,775 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-10-04 12:46:07,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 12:46:07,776 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:07,776 INFO L375 BasicCegarLoop]: trace histogram [12, 2, 2, 1, 1, 1] [2018-10-04 12:46:07,776 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:07,777 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:07,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1318725353, now seen corresponding path program 6 times [2018-10-04 12:46:07,777 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:07,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:07,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:07,778 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-04 12:46:07,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:07,925 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 51 proven. 21 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-04 12:46:07,925 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:46:07,926 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:46:07,934 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-10-04 12:46:07,945 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2018-10-04 12:46:07,945 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-04 12:46:07,948 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:46:08,077 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-04 12:46:08,103 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:46:08,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4] total 12 [2018-10-04 12:46:08,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-04 12:46:08,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-04 12:46:08,104 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:08,104 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 13 states. [2018-10-04 12:46:08,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:08,846 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2018-10-04 12:46:08,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-10-04 12:46:08,846 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2018-10-04 12:46:08,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:08,848 INFO L225 Difference]: With dead ends: 50 [2018-10-04 12:46:08,848 INFO L226 Difference]: Without dead ends: 39 [2018-10-04 12:46:08,848 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time 0.5s impTime 14 [2018-10-04 12:46:08,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-10-04 12:46:08,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 31. [2018-10-04 12:46:08,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-10-04 12:46:08,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2018-10-04 12:46:08,858 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 19 [2018-10-04 12:46:08,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:08,859 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2018-10-04 12:46:08,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-04 12:46:08,859 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2018-10-04 12:46:08,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 12:46:08,860 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:08,860 INFO L375 BasicCegarLoop]: trace histogram [21, 3, 3, 1, 1, 1] [2018-10-04 12:46:08,861 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:08,861 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:08,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1893667570, now seen corresponding path program 7 times [2018-10-04 12:46:08,861 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:08,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:08,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:08,862 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-04 12:46:08,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:09,195 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 131 proven. 28 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-10-04 12:46:09,195 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:46:09,195 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:46:09,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:46:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:09,244 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:46:09,355 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 131 proven. 28 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-10-04 12:46:09,377 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:46:09,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2018-10-04 12:46:09,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-04 12:46:09,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-04 12:46:09,378 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:09,378 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand 19 states. [2018-10-04 12:46:09,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:09,481 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2018-10-04 12:46:09,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-04 12:46:09,488 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 30 [2018-10-04 12:46:09,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:09,489 INFO L225 Difference]: With dead ends: 55 [2018-10-04 12:46:09,489 INFO L226 Difference]: Without dead ends: 34 [2018-10-04 12:46:09,490 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time 0.2s impTime 10 [2018-10-04 12:46:09,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-10-04 12:46:09,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-10-04 12:46:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-10-04 12:46:09,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-10-04 12:46:09,508 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 30 [2018-10-04 12:46:09,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:09,509 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-10-04 12:46:09,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-04 12:46:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-10-04 12:46:09,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 12:46:09,513 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:09,514 INFO L375 BasicCegarLoop]: trace histogram [24, 3, 3, 1, 1, 1] [2018-10-04 12:46:09,514 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:09,514 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:09,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1170740991, now seen corresponding path program 8 times [2018-10-04 12:46:09,514 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:09,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:09,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:09,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:46:09,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:09,802 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 165 proven. 36 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-10-04 12:46:09,803 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:46:09,803 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:46:09,813 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-04 12:46:09,867 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-04 12:46:09,867 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-04 12:46:09,870 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:46:10,256 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 165 proven. 36 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-10-04 12:46:10,287 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:46:10,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2018-10-04 12:46:10,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-04 12:46:10,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-04 12:46:10,289 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:10,289 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 21 states. [2018-10-04 12:46:10,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:10,390 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2018-10-04 12:46:10,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-04 12:46:10,393 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 33 [2018-10-04 12:46:10,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:10,394 INFO L225 Difference]: With dead ends: 60 [2018-10-04 12:46:10,394 INFO L226 Difference]: Without dead ends: 37 [2018-10-04 12:46:10,394 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time 0.3s impTime 11 [2018-10-04 12:46:10,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-10-04 12:46:10,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-10-04 12:46:10,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-10-04 12:46:10,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2018-10-04 12:46:10,404 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 33 [2018-10-04 12:46:10,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:10,404 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2018-10-04 12:46:10,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-04 12:46:10,405 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2018-10-04 12:46:10,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 12:46:10,406 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:10,406 INFO L375 BasicCegarLoop]: trace histogram [27, 3, 3, 1, 1, 1] [2018-10-04 12:46:10,406 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:10,406 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:10,407 INFO L82 PathProgramCache]: Analyzing trace with hash 251197998, now seen corresponding path program 9 times [2018-10-04 12:46:10,407 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:10,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:10,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:10,408 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-04 12:46:10,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:10,606 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 203 proven. 45 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2018-10-04 12:46:10,607 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:46:10,607 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:46:10,617 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-04 12:46:10,667 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2018-10-04 12:46:10,667 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-04 12:46:10,670 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:46:10,866 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 203 proven. 45 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2018-10-04 12:46:10,886 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:46:10,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2018-10-04 12:46:10,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-04 12:46:10,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-04 12:46:10,888 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:10,888 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 23 states. [2018-10-04 12:46:10,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:10,983 INFO L93 Difference]: Finished difference Result 65 states and 73 transitions. [2018-10-04 12:46:10,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-04 12:46:10,984 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 36 [2018-10-04 12:46:10,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:10,984 INFO L225 Difference]: With dead ends: 65 [2018-10-04 12:46:10,985 INFO L226 Difference]: Without dead ends: 40 [2018-10-04 12:46:10,985 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time 0.1s impTime 12 [2018-10-04 12:46:10,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-10-04 12:46:10,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-10-04 12:46:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-10-04 12:46:10,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2018-10-04 12:46:10,999 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 36 [2018-10-04 12:46:10,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:10,999 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2018-10-04 12:46:10,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-10-04 12:46:10,999 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-10-04 12:46:11,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 12:46:11,000 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:11,002 INFO L375 BasicCegarLoop]: trace histogram [30, 3, 3, 1, 1, 1] [2018-10-04 12:46:11,002 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:11,002 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:11,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1180066335, now seen corresponding path program 10 times [2018-10-04 12:46:11,003 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:11,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:11,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:11,004 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-04 12:46:11,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:11,306 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-10-04 12:46:11,306 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:46:11,307 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:46:11,314 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-04 12:46:11,354 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-04 12:46:11,354 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-04 12:46:11,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:46:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-10-04 12:46:11,492 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:46:11,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2018-10-04 12:46:11,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-04 12:46:11,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-04 12:46:11,492 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:11,493 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 10 states. [2018-10-04 12:46:11,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:11,605 INFO L93 Difference]: Finished difference Result 65 states and 70 transitions. [2018-10-04 12:46:11,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-04 12:46:11,606 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 39 [2018-10-04 12:46:11,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:11,607 INFO L225 Difference]: With dead ends: 65 [2018-10-04 12:46:11,607 INFO L226 Difference]: Without dead ends: 63 [2018-10-04 12:46:11,609 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time 0.1s impTime 6 [2018-10-04 12:46:11,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-10-04 12:46:11,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 52. [2018-10-04 12:46:11,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-10-04 12:46:11,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2018-10-04 12:46:11,632 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 39 [2018-10-04 12:46:11,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:11,632 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2018-10-04 12:46:11,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-04 12:46:11,632 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2018-10-04 12:46:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 12:46:11,634 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:11,634 INFO L375 BasicCegarLoop]: trace histogram [40, 4, 4, 1, 1, 1] [2018-10-04 12:46:11,635 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:11,637 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:11,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1381898283, now seen corresponding path program 11 times [2018-10-04 12:46:11,637 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:11,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:11,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:11,639 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-04 12:46:11,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:11,810 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 0 proven. 736 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-10-04 12:46:11,810 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:46:11,811 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:46:11,819 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-10-04 12:46:11,934 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2018-10-04 12:46:11,934 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-04 12:46:11,939 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:46:12,811 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 0 proven. 736 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-10-04 12:46:12,852 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:46:12,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2018-10-04 12:46:12,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-04 12:46:12,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-04 12:46:12,853 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:12,854 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 12 states. [2018-10-04 12:46:13,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:13,137 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2018-10-04 12:46:13,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-04 12:46:13,137 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 51 [2018-10-04 12:46:13,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:13,138 INFO L225 Difference]: With dead ends: 77 [2018-10-04 12:46:13,139 INFO L226 Difference]: Without dead ends: 75 [2018-10-04 12:46:13,139 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s Time 0.1s impTime 7 [2018-10-04 12:46:13,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-10-04 12:46:13,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 64. [2018-10-04 12:46:13,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-10-04 12:46:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2018-10-04 12:46:13,156 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 51 [2018-10-04 12:46:13,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:13,156 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2018-10-04 12:46:13,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-04 12:46:13,157 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2018-10-04 12:46:13,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 12:46:13,158 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:13,158 INFO L375 BasicCegarLoop]: trace histogram [50, 5, 5, 1, 1, 1] [2018-10-04 12:46:13,158 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:13,158 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:13,159 INFO L82 PathProgramCache]: Analyzing trace with hash -536120459, now seen corresponding path program 12 times [2018-10-04 12:46:13,159 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:13,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:13,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:13,160 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-04 12:46:13,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2018-10-04 12:46:13,468 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:46:13,468 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:46:13,475 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-10-04 12:46:13,623 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2018-10-04 12:46:13,623 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-04 12:46:13,627 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:46:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2018-10-04 12:46:13,852 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:46:13,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2018-10-04 12:46:13,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-04 12:46:13,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-04 12:46:13,853 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:13,853 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 14 states. [2018-10-04 12:46:13,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:13,915 INFO L93 Difference]: Finished difference Result 89 states and 96 transitions. [2018-10-04 12:46:13,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-04 12:46:13,915 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 63 [2018-10-04 12:46:13,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:13,916 INFO L225 Difference]: With dead ends: 89 [2018-10-04 12:46:13,917 INFO L226 Difference]: Without dead ends: 87 [2018-10-04 12:46:13,917 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time 0.1s impTime 8 [2018-10-04 12:46:13,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-10-04 12:46:13,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 76. [2018-10-04 12:46:13,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-10-04 12:46:13,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2018-10-04 12:46:13,936 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 63 [2018-10-04 12:46:13,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:13,936 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2018-10-04 12:46:13,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-04 12:46:13,937 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2018-10-04 12:46:13,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 12:46:13,938 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:13,938 INFO L375 BasicCegarLoop]: trace histogram [60, 6, 6, 1, 1, 1] [2018-10-04 12:46:13,938 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:13,938 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:13,938 INFO L82 PathProgramCache]: Analyzing trace with hash -681037889, now seen corresponding path program 13 times [2018-10-04 12:46:13,938 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:13,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:13,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:13,939 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-04 12:46:13,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:14,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 0 proven. 1836 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-04 12:46:14,527 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:46:14,527 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:46:14,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:46:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:14,608 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:46:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 0 proven. 1836 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-04 12:46:14,885 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:46:14,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2018-10-04 12:46:14,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-04 12:46:14,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-04 12:46:14,886 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:14,886 INFO L87 Difference]: Start difference. First operand 76 states and 82 transitions. Second operand 16 states. [2018-10-04 12:46:14,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:14,970 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2018-10-04 12:46:14,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-04 12:46:14,974 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 75 [2018-10-04 12:46:14,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:14,975 INFO L225 Difference]: With dead ends: 101 [2018-10-04 12:46:14,975 INFO L226 Difference]: Without dead ends: 99 [2018-10-04 12:46:14,975 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time 0.3s impTime 9 [2018-10-04 12:46:14,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-10-04 12:46:15,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 88. [2018-10-04 12:46:15,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-10-04 12:46:15,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 95 transitions. [2018-10-04 12:46:15,005 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 95 transitions. Word has length 75 [2018-10-04 12:46:15,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:15,008 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 95 transitions. [2018-10-04 12:46:15,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-04 12:46:15,009 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2018-10-04 12:46:15,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 12:46:15,012 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:15,013 INFO L375 BasicCegarLoop]: trace histogram [70, 7, 7, 1, 1, 1] [2018-10-04 12:46:15,013 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:15,013 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:15,013 INFO L82 PathProgramCache]: Analyzing trace with hash -815084279, now seen corresponding path program 14 times [2018-10-04 12:46:15,013 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:15,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:15,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:15,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:46:15,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:15,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2954 backedges. 0 proven. 2569 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2018-10-04 12:46:15,287 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:46:15,287 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:46:15,295 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-04 12:46:15,361 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-04 12:46:15,361 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-04 12:46:15,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:46:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2954 backedges. 0 proven. 2569 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2018-10-04 12:46:15,904 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:46:15,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2018-10-04 12:46:15,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-04 12:46:15,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-04 12:46:15,905 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:15,905 INFO L87 Difference]: Start difference. First operand 88 states and 95 transitions. Second operand 18 states. [2018-10-04 12:46:16,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:16,047 INFO L93 Difference]: Finished difference Result 113 states and 122 transitions. [2018-10-04 12:46:16,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-04 12:46:16,047 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 87 [2018-10-04 12:46:16,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:16,048 INFO L225 Difference]: With dead ends: 113 [2018-10-04 12:46:16,049 INFO L226 Difference]: Without dead ends: 111 [2018-10-04 12:46:16,049 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time 0.2s impTime 10 [2018-10-04 12:46:16,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-10-04 12:46:16,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 100. [2018-10-04 12:46:16,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-04 12:46:16,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 108 transitions. [2018-10-04 12:46:16,073 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 108 transitions. Word has length 87 [2018-10-04 12:46:16,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:16,073 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 108 transitions. [2018-10-04 12:46:16,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-04 12:46:16,073 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 108 transitions. [2018-10-04 12:46:16,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-04 12:46:16,075 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:16,075 INFO L375 BasicCegarLoop]: trace histogram [80, 8, 8, 1, 1, 1] [2018-10-04 12:46:16,075 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:16,075 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:16,075 INFO L82 PathProgramCache]: Analyzing trace with hash 558484307, now seen corresponding path program 15 times [2018-10-04 12:46:16,076 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:16,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:16,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:16,077 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-04 12:46:16,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:17,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3864 backedges. 0 proven. 3424 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2018-10-04 12:46:17,003 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:46:17,003 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:46:17,011 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-04 12:46:17,133 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 49 check-sat command(s) [2018-10-04 12:46:17,134 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-04 12:46:17,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:46:17,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3864 backedges. 0 proven. 3424 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2018-10-04 12:46:17,446 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:46:17,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2018-10-04 12:46:17,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-04 12:46:17,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-04 12:46:17,447 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:17,448 INFO L87 Difference]: Start difference. First operand 100 states and 108 transitions. Second operand 20 states. [2018-10-04 12:46:17,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:17,571 INFO L93 Difference]: Finished difference Result 125 states and 135 transitions. [2018-10-04 12:46:17,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-04 12:46:17,572 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 99 [2018-10-04 12:46:17,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:17,573 INFO L225 Difference]: With dead ends: 125 [2018-10-04 12:46:17,573 INFO L226 Difference]: Without dead ends: 123 [2018-10-04 12:46:17,573 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s Time 0.6s impTime 11 [2018-10-04 12:46:17,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-10-04 12:46:17,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 112. [2018-10-04 12:46:17,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-10-04 12:46:17,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 121 transitions. [2018-10-04 12:46:17,600 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 121 transitions. Word has length 99 [2018-10-04 12:46:17,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:17,601 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 121 transitions. [2018-10-04 12:46:17,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-04 12:46:17,601 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 121 transitions. [2018-10-04 12:46:17,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-04 12:46:17,603 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:17,603 INFO L375 BasicCegarLoop]: trace histogram [90, 9, 9, 1, 1, 1] [2018-10-04 12:46:17,603 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:17,603 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:17,604 INFO L82 PathProgramCache]: Analyzing trace with hash -2005161315, now seen corresponding path program 16 times [2018-10-04 12:46:17,604 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:17,604 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:17,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:17,619 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-04 12:46:17,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:18,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4896 backedges. 0 proven. 4401 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-10-04 12:46:18,671 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:46:18,671 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:46:18,681 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-04 12:46:18,770 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-04 12:46:18,771 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-04 12:46:18,775 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:46:19,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4896 backedges. 0 proven. 4401 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-10-04 12:46:19,167 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:46:19,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2018-10-04 12:46:19,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-04 12:46:19,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-04 12:46:19,168 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:19,169 INFO L87 Difference]: Start difference. First operand 112 states and 121 transitions. Second operand 22 states. [2018-10-04 12:46:19,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:19,269 INFO L93 Difference]: Finished difference Result 137 states and 148 transitions. [2018-10-04 12:46:19,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-04 12:46:19,270 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 111 [2018-10-04 12:46:19,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:19,271 INFO L225 Difference]: With dead ends: 137 [2018-10-04 12:46:19,271 INFO L226 Difference]: Without dead ends: 135 [2018-10-04 12:46:19,272 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s Time 0.7s impTime 12 [2018-10-04 12:46:19,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-10-04 12:46:19,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 124. [2018-10-04 12:46:19,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-10-04 12:46:19,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 134 transitions. [2018-10-04 12:46:19,304 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 134 transitions. Word has length 111 [2018-10-04 12:46:19,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:19,305 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 134 transitions. [2018-10-04 12:46:19,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-04 12:46:19,305 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 134 transitions. [2018-10-04 12:46:19,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-04 12:46:19,306 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:46:19,306 INFO L375 BasicCegarLoop]: trace histogram [100, 10, 10, 1, 1, 1] [2018-10-04 12:46:19,306 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:46:19,307 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:46:19,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1028199705, now seen corresponding path program 17 times [2018-10-04 12:46:19,307 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:46:19,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:46:19,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:19,308 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-04 12:46:19,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:46:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:46:19,670 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 19 new depth: 6 [2018-10-04 12:46:19,986 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 22 new depth: 7 [2018-10-04 12:46:20,555 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 22 new depth: 7 [2018-10-04 12:46:22,143 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 25 new depth: 8 [2018-10-04 12:46:23,252 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 25 new depth: 8 [2018-10-04 12:46:23,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6050 backedges. 6041 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-04 12:46:23,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:46:23,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [102] imperfect sequences [] total 102 [2018-10-04 12:46:23,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-10-04 12:46:23,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-10-04 12:46:23,559 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:46:23,559 INFO L87 Difference]: Start difference. First operand 124 states and 134 transitions. Second operand 103 states. [2018-10-04 12:46:25,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:46:25,752 INFO L93 Difference]: Finished difference Result 5119 states and 5579 transitions. [2018-10-04 12:46:25,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-10-04 12:46:25,754 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 123 [2018-10-04 12:46:25,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:46:25,755 INFO L225 Difference]: With dead ends: 5119 [2018-10-04 12:46:25,755 INFO L226 Difference]: Without dead ends: 0 [2018-10-04 12:46:25,763 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1s Time 3.4s impTime 24 [2018-10-04 12:46:25,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-04 12:46:25,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-04 12:46:25,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-04 12:46:25,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-04 12:46:25,764 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2018-10-04 12:46:25,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:46:25,764 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-04 12:46:25,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-10-04 12:46:25,764 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-04 12:46:25,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 12:46:25,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-04 12:46:31,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:31,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:32,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:33,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:34,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:34,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:34,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:34,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:34,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:34,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:34,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:34,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:34,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:34,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:34,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:34,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:35,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:35,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:35,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:35,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:35,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:35,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:35,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:35,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:35,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:35,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:35,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:36,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:36,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:36,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:36,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:36,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:36,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:36,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:36,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:37,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:37,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:37,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:37,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:37,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:37,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:38,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:38,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:38,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:38,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:38,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:38,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:38,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:38,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:38,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:39,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:39,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:39,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:39,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:40,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:40,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:40,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:40,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:41,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:41,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:41,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:41,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:41,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:41,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:42,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:42,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:42,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:42,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:42,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:42,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:43,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:43,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:43,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:43,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:43,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:43,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:43,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:44,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:44,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:44,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:45,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:45,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:45,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:45,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:46,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:46,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:46,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:46,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:47,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:47,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:47,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:47,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:47,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:47,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:47,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:48,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:48,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:48,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:49,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:49,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:49,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:50,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:50,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:50,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:50,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:51,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:52,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:52,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:52,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:53,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:53,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:53,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:55,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:55,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:57,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:57,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:57,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:57,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:58,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:59,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:59,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:59,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:59,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:46:59,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:00,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:00,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:00,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:01,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:02,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:02,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:03,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:04,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:04,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:05,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:05,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:05,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:05,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:06,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:07,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:07,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:09,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:10,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:10,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:11,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:11,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:12,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:13,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:14,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:14,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:20,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:21,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:23,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:23,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:24,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:26,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:30,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:31,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:33,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:35,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:36,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:38,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:47:52,829 WARN L178 SmtUtils]: Spent 1.45 m on a formula simplification. DAG size of input: 5112 DAG size of output: 2150 [2018-10-04 12:47:53,809 WARN L178 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 664 [2018-10-04 12:49:26,475 WARN L178 SmtUtils]: Spent 1.54 m on a formula simplification. DAG size of input: 2150 DAG size of output: 362 [2018-10-04 12:49:33,416 WARN L178 SmtUtils]: Spent 6.93 s on a formula simplification. DAG size of input: 664 DAG size of output: 59 [2018-10-04 12:49:33,422 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 51) no Hoare annotation was computed. [2018-10-04 12:49:33,423 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 71) no Hoare annotation was computed. [2018-10-04 12:49:33,423 INFO L421 ceAbstractionStarter]: At program point L64(lines 49 65) the Hoare annotation is: (let ((.cse24 (<= ULTIMATE.start_main_~j~5 7)) (.cse13 (<= ULTIMATE.start_main_~j~5 1)) (.cse11 (<= ULTIMATE.start_main_~j~5 9)) (.cse27 (<= ULTIMATE.start_main_~j~5 2)) (.cse39 (<= ULTIMATE.start_main_~j~5 0)) (.cse19 (<= ULTIMATE.start_main_~j~5 5)) (.cse21 (<= ULTIMATE.start_main_~j~5 3)) (.cse35 (<= ULTIMATE.start_main_~j~5 8)) (.cse31 (<= ULTIMATE.start_main_~j~5 4)) (.cse32 (<= ULTIMATE.start_main_~j~5 6)) (.cse4 (<= 10 ULTIMATE.start_main_~m~5))) (let ((.cse6 (<= 70 ULTIMATE.start_main_~k~5)) (.cse26 (<= 90 ULTIMATE.start_main_~k~5)) (.cse3 (<= 20 ULTIMATE.start_main_~k~5)) (.cse36 (<= 30 ULTIMATE.start_main_~k~5)) (.cse8 (<= 40 ULTIMATE.start_main_~k~5)) (.cse37 (<= 50 ULTIMATE.start_main_~k~5)) (.cse30 (<= ULTIMATE.start_main_~i~5 2)) (.cse34 (<= 60 ULTIMATE.start_main_~k~5)) (.cse20 (and .cse32 .cse4)) (.cse33 (and .cse31 .cse4)) (.cse1 (<= ULTIMATE.start_main_~i~5 5)) (.cse28 (and .cse35 .cse4)) (.cse12 (and .cse21 .cse4)) (.cse23 (and .cse19 .cse4)) (.cse10 (and .cse4 .cse39)) (.cse18 (<= 80 ULTIMATE.start_main_~k~5)) (.cse7 (<= ULTIMATE.start_main_~i~5 6)) (.cse5 (<= ULTIMATE.start_main_~i~5 1)) (.cse22 (<= (+ ULTIMATE.start_main_~i~5 1) ULTIMATE.start_main_~n~5)) (.cse29 (and .cse4 .cse27)) (.cse40 (<= 10 ULTIMATE.start_main_~k~5)) (.cse14 (<= ULTIMATE.start_main_~i~5 0)) (.cse25 (<= ULTIMATE.start_main_~i~5 8)) (.cse38 (and .cse4 .cse11)) (.cse9 (<= ULTIMATE.start_main_~i~5 4)) (.cse17 (<= ULTIMATE.start_main_~i~5 3)) (.cse15 (and .cse13 .cse4)) (.cse0 (<= 10 ULTIMATE.start_main_~n~5)) (.cse2 (and .cse24 .cse4)) (.cse16 (<= ULTIMATE.start_main_~i~5 7))) (or (and .cse0 .cse1 (<= 57 ULTIMATE.start_main_~k~5) .cse2) (and .cse0 .cse3 .cse4 .cse5) (and .cse0 .cse4 .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse10) (and .cse0 (<= 19 ULTIMATE.start_main_~k~5) .cse4 .cse5 .cse11) (and .cse0 .cse12 .cse7 (<= 63 ULTIMATE.start_main_~k~5)) (and .cse0 (<= 1 ULTIMATE.start_main_~k~5) .cse13 .cse4 .cse14) (and .cse0 (<= 71 ULTIMATE.start_main_~k~5) .cse15 .cse16) (and .cse0 .cse17 .cse4 .cse11 (<= 39 ULTIMATE.start_main_~k~5)) (and .cse0 .cse4 .cse18 .cse16) (and .cse0 .cse19 .cse17 .cse4 (<= 35 ULTIMATE.start_main_~k~5)) (and .cse0 (<= 46 ULTIMATE.start_main_~k~5) .cse20 .cse9) (and .cse0 .cse21 .cse17 .cse4 (<= 33 ULTIMATE.start_main_~k~5)) (and .cse0 (<= 76 ULTIMATE.start_main_~k~5) .cse20 .cse16) (and (and .cse22 .cse23) (<= 95 ULTIMATE.start_main_~k~5)) (and .cse0 (<= 7 ULTIMATE.start_main_~k~5) .cse24 .cse4 .cse14) (and .cse0 .cse25 .cse26 .cse4) (and .cse0 (<= 32 ULTIMATE.start_main_~k~5) .cse17 .cse4 .cse27) (and .cse0 (<= 78 ULTIMATE.start_main_~k~5) .cse28 .cse16) (and .cse0 .cse25 (<= 82 ULTIMATE.start_main_~k~5) .cse29) (and .cse0 .cse30 .cse21 (<= 23 ULTIMATE.start_main_~k~5) .cse4) (and .cse0 .cse4 .cse11 (<= 9 ULTIMATE.start_main_~k~5) .cse14) (and .cse0 .cse31 .cse4 (<= 4 ULTIMATE.start_main_~k~5) .cse14) (and .cse0 (<= 3 ULTIMATE.start_main_~k~5) .cse21 .cse4 .cse14) (and .cse0 .cse32 (<= 6 ULTIMATE.start_main_~k~5) .cse4 .cse14) (and .cse0 .cse24 .cse4 (<= 17 ULTIMATE.start_main_~k~5) .cse5) (and .cse0 (<= 2 ULTIMATE.start_main_~k~5) .cse4 .cse27 .cse14) (and .cse0 .cse30 .cse4 (<= 22 ULTIMATE.start_main_~k~5) .cse27) (and (<= 74 ULTIMATE.start_main_~k~5) .cse0 .cse33 .cse16) (and .cse0 .cse34 .cse10 .cse7) (and .cse0 .cse1 (<= 51 ULTIMATE.start_main_~k~5) .cse15) (and .cse0 (<= 42 ULTIMATE.start_main_~k~5) .cse29 .cse9) (and .cse0 .cse6 .cse10 .cse16) (and (<= 98 ULTIMATE.start_main_~k~5) (and .cse22 .cse28)) (and .cse0 .cse25 (<= 87 ULTIMATE.start_main_~k~5) .cse2) (and .cse0 (<= 29 ULTIMATE.start_main_~k~5) .cse30 .cse4 .cse11) (and .cse0 .cse30 (<= 25 ULTIMATE.start_main_~k~5) .cse19 .cse4) (and .cse0 (<= 56 ULTIMATE.start_main_~k~5) .cse1 .cse20) (and .cse0 (<= 12 ULTIMATE.start_main_~k~5) .cse4 .cse5 .cse27) (and .cse0 (<= 53 ULTIMATE.start_main_~k~5) .cse1 .cse12) (and .cse0 (<= 45 ULTIMATE.start_main_~k~5) .cse19 .cse4 .cse9) (and .cse0 (<= 61 ULTIMATE.start_main_~k~5) .cse15 .cse7) (and (<= 93 ULTIMATE.start_main_~k~5) (and .cse22 .cse12)) (and .cse0 .cse1 (<= 55 ULTIMATE.start_main_~k~5) .cse23) (and .cse0 .cse21 (<= 13 ULTIMATE.start_main_~k~5) .cse4 .cse5) (and .cse0 .cse25 (<= 83 ULTIMATE.start_main_~k~5) .cse12) (and .cse0 .cse32 .cse30 (<= 26 ULTIMATE.start_main_~k~5) .cse4) (and .cse26 (and .cse22 .cse10)) (and .cse0 .cse25 (<= 88 ULTIMATE.start_main_~k~5) .cse28) (and (<= 100 ULTIMATE.start_main_~k~5) (and .cse22 .cse4)) (and .cse0 .cse1 .cse29 (<= 52 ULTIMATE.start_main_~k~5)) (and .cse0 .cse35 (<= 48 ULTIMATE.start_main_~k~5) .cse4 .cse9) (and .cse0 .cse30 .cse4 .cse36) (and .cse0 .cse25 (<= 86 ULTIMATE.start_main_~k~5) .cse20) (and .cse0 .cse33 .cse9 (<= 44 ULTIMATE.start_main_~k~5)) (and .cse0 (<= 18 ULTIMATE.start_main_~k~5) .cse35 .cse4 .cse5) (and .cse0 .cse37 .cse9 .cse4) (and .cse0 .cse31 (<= 14 ULTIMATE.start_main_~k~5) .cse4 .cse5) (and .cse0 .cse28 .cse7 (<= 68 ULTIMATE.start_main_~k~5)) (and .cse0 .cse30 (<= 21 ULTIMATE.start_main_~k~5) .cse13 .cse4) (and .cse0 (<= 11 ULTIMATE.start_main_~k~5) .cse13 .cse4 .cse5) (and .cse0 .cse38 (<= 69 ULTIMATE.start_main_~k~5) .cse7) (and .cse0 .cse25 (<= 85 ULTIMATE.start_main_~k~5) .cse23) (and .cse0 (<= 54 ULTIMATE.start_main_~k~5) .cse1 .cse33) (and .cse0 .cse19 .cse4 (<= 5 ULTIMATE.start_main_~k~5) .cse14) (and .cse0 .cse38 .cse1 (<= 59 ULTIMATE.start_main_~k~5)) (and .cse0 .cse3 .cse30 .cse4 .cse39) (and (and .cse22 .cse38) (<= 99 ULTIMATE.start_main_~k~5)) (and .cse0 .cse23 (<= 65 ULTIMATE.start_main_~k~5) .cse7) (and .cse0 .cse17 .cse4 .cse39 .cse36) (and .cse0 .cse30 .cse31 (<= 24 ULTIMATE.start_main_~k~5) .cse4) (and .cse0 .cse35 .cse4 (<= 8 ULTIMATE.start_main_~k~5) .cse14) (and .cse0 .cse32 (<= 16 ULTIMATE.start_main_~k~5) .cse4 .cse5) (and (and .cse22 .cse2) (<= 97 ULTIMATE.start_main_~k~5)) (and .cse0 .cse8 .cse17 .cse4) (and (and .cse22 .cse15) (<= 91 ULTIMATE.start_main_~k~5)) (and .cse0 .cse15 (<= 41 ULTIMATE.start_main_~k~5) .cse9) (and .cse0 .cse33 (<= 64 ULTIMATE.start_main_~k~5) .cse7) (and .cse0 .cse2 .cse7 (<= 67 ULTIMATE.start_main_~k~5)) (and .cse0 .cse19 (<= 15 ULTIMATE.start_main_~k~5) .cse4 .cse5) (and .cse0 .cse30 (<= 27 ULTIMATE.start_main_~k~5) .cse24 .cse4) (and .cse0 .cse37 .cse1 .cse10) (and .cse0 (<= 0 ULTIMATE.start_main_~k~5) .cse4 .cse39 .cse14) (and .cse0 .cse30 .cse35 (<= 28 ULTIMATE.start_main_~k~5) .cse4) (and .cse0 .cse17 .cse24 .cse4 (<= 37 ULTIMATE.start_main_~k~5)) (and .cse0 .cse20 (<= 66 ULTIMATE.start_main_~k~5) .cse7) (and .cse0 .cse38 (<= 79 ULTIMATE.start_main_~k~5) .cse16) (and (and .cse22 .cse33) (<= 94 ULTIMATE.start_main_~k~5)) (and .cse0 .cse4 .cse1 .cse34) (and (and .cse22 .cse20) (<= 96 ULTIMATE.start_main_~k~5)) (and .cse0 .cse35 (<= 38 ULTIMATE.start_main_~k~5) .cse17 .cse4) (and .cse0 .cse25 (<= 84 ULTIMATE.start_main_~k~5) .cse33) (and .cse0 .cse1 .cse28 (<= 58 ULTIMATE.start_main_~k~5)) (and .cse0 .cse24 .cse4 (<= 47 ULTIMATE.start_main_~k~5) .cse9) (and .cse0 (<= 73 ULTIMATE.start_main_~k~5) .cse12 .cse16) (and .cse0 .cse23 .cse16 (<= 75 ULTIMATE.start_main_~k~5)) (and .cse0 .cse21 (<= 43 ULTIMATE.start_main_~k~5) .cse4 .cse9) (and .cse0 .cse31 (<= 34 ULTIMATE.start_main_~k~5) .cse17 .cse4) (and .cse0 .cse32 .cse17 (<= 36 ULTIMATE.start_main_~k~5) .cse4) (and .cse0 (<= 72 ULTIMATE.start_main_~k~5) .cse29 .cse16) (and .cse0 .cse25 .cse10 .cse18) (and .cse0 .cse29 .cse7 (<= 62 ULTIMATE.start_main_~k~5)) (and .cse0 .cse40 .cse4 .cse39 .cse5) (and (and .cse22 .cse29) (<= 92 ULTIMATE.start_main_~k~5)) (and .cse0 .cse25 (<= 89 ULTIMATE.start_main_~k~5) .cse38) (and .cse0 .cse40 .cse4 .cse14) (and .cse0 .cse25 (<= 81 ULTIMATE.start_main_~k~5) .cse15) (and .cse0 .cse38 .cse9 (<= 49 ULTIMATE.start_main_~k~5)) (and .cse0 .cse17 .cse15 (<= 31 ULTIMATE.start_main_~k~5)) (and .cse0 (<= 77 ULTIMATE.start_main_~k~5) .cse2 .cse16)))) [2018-10-04 12:49:33,424 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 71) no Hoare annotation was computed. [2018-10-04 12:49:33,424 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 71) no Hoare annotation was computed. [2018-10-04 12:49:33,424 INFO L421 ceAbstractionStarter]: At program point L45(lines 45 50) the Hoare annotation is: false [2018-10-04 12:49:33,424 INFO L421 ceAbstractionStarter]: At program point L70(lines 33 70) the Hoare annotation is: (let ((.cse0 (<= 10 ULTIMATE.start_main_~n~5)) (.cse1 (<= 10 ULTIMATE.start_main_~m~5))) (or (and .cse0 (<= 0 ULTIMATE.start_main_~k~5) .cse1 (<= ULTIMATE.start_main_~i~5 0)) (and .cse0 (<= 60 ULTIMATE.start_main_~k~5) .cse1 (<= ULTIMATE.start_main_~i~5 6)) (and .cse0 (<= 50 ULTIMATE.start_main_~k~5) (<= ULTIMATE.start_main_~i~5 5) .cse1) (and (<= 100 ULTIMATE.start_main_~k~5) .cse1) (and .cse0 (<= 20 ULTIMATE.start_main_~k~5) (<= ULTIMATE.start_main_~i~5 2) .cse1) (and .cse0 (<= 90 ULTIMATE.start_main_~k~5) (<= ULTIMATE.start_main_~i~5 9) .cse1) (and .cse0 (<= ULTIMATE.start_main_~i~5 8) .cse1 (<= 80 ULTIMATE.start_main_~k~5)) (and .cse0 (<= 40 ULTIMATE.start_main_~k~5) (<= ULTIMATE.start_main_~i~5 4) .cse1) (and .cse0 (<= 70 ULTIMATE.start_main_~k~5) .cse1 (<= ULTIMATE.start_main_~i~5 7)) (and .cse0 (<= ULTIMATE.start_main_~i~5 3) .cse1 (<= 30 ULTIMATE.start_main_~k~5)) (and .cse0 (<= 10 ULTIMATE.start_main_~k~5) .cse1 (<= ULTIMATE.start_main_~i~5 1)))) [2018-10-04 12:49:33,460 INFO L202 PluginConnector]: Adding new model nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 12:49:33 BoogieIcfgContainer [2018-10-04 12:49:33,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-04 12:49:33,461 INFO L168 Benchmark]: Toolchain (without parser) took 209988.72 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-10-04 12:49:33,462 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 12:49:33,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.99 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 12:49:33,463 INFO L168 Benchmark]: Boogie Preprocessor took 21.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 12:49:33,464 INFO L168 Benchmark]: RCFGBuilder took 331.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 12:49:33,465 INFO L168 Benchmark]: TraceAbstraction took 209592.11 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-10-04 12:49:33,469 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.99 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 331.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 209592.11 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 51]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((10 <= main_~n~5 && main_~i~5 <= 5) && 57 <= main_~k~5) && main_~j~5 <= 7 && 10 <= main_~m~5) || (((10 <= main_~n~5 && 20 <= main_~k~5) && 10 <= main_~m~5) && main_~i~5 <= 1)) || (((10 <= main_~n~5 && 10 <= main_~m~5) && 70 <= main_~k~5) && main_~i~5 <= 6)) || (((10 <= main_~n~5 && 40 <= main_~k~5) && main_~i~5 <= 4) && 10 <= main_~m~5 && main_~j~5 <= 0)) || ((((10 <= main_~n~5 && 19 <= main_~k~5) && 10 <= main_~m~5) && main_~i~5 <= 1) && main_~j~5 <= 9)) || (((10 <= main_~n~5 && main_~j~5 <= 3 && 10 <= main_~m~5) && main_~i~5 <= 6) && 63 <= main_~k~5)) || ((((10 <= main_~n~5 && 1 <= main_~k~5) && main_~j~5 <= 1) && 10 <= main_~m~5) && main_~i~5 <= 0)) || (((10 <= main_~n~5 && 71 <= main_~k~5) && main_~j~5 <= 1 && 10 <= main_~m~5) && main_~i~5 <= 7)) || ((((10 <= main_~n~5 && main_~i~5 <= 3) && 10 <= main_~m~5) && main_~j~5 <= 9) && 39 <= main_~k~5)) || (((10 <= main_~n~5 && 10 <= main_~m~5) && 80 <= main_~k~5) && main_~i~5 <= 7)) || ((((10 <= main_~n~5 && main_~j~5 <= 5) && main_~i~5 <= 3) && 10 <= main_~m~5) && 35 <= main_~k~5)) || (((10 <= main_~n~5 && 46 <= main_~k~5) && main_~j~5 <= 6 && 10 <= main_~m~5) && main_~i~5 <= 4)) || ((((10 <= main_~n~5 && main_~j~5 <= 3) && main_~i~5 <= 3) && 10 <= main_~m~5) && 33 <= main_~k~5)) || (((10 <= main_~n~5 && 76 <= main_~k~5) && main_~j~5 <= 6 && 10 <= main_~m~5) && main_~i~5 <= 7)) || ((main_~i~5 + 1 <= main_~n~5 && main_~j~5 <= 5 && 10 <= main_~m~5) && 95 <= main_~k~5)) || ((((10 <= main_~n~5 && 7 <= main_~k~5) && main_~j~5 <= 7) && 10 <= main_~m~5) && main_~i~5 <= 0)) || (((10 <= main_~n~5 && main_~i~5 <= 8) && 90 <= main_~k~5) && 10 <= main_~m~5)) || ((((10 <= main_~n~5 && 32 <= main_~k~5) && main_~i~5 <= 3) && 10 <= main_~m~5) && main_~j~5 <= 2)) || (((10 <= main_~n~5 && 78 <= main_~k~5) && main_~j~5 <= 8 && 10 <= main_~m~5) && main_~i~5 <= 7)) || (((10 <= main_~n~5 && main_~i~5 <= 8) && 82 <= main_~k~5) && 10 <= main_~m~5 && main_~j~5 <= 2)) || ((((10 <= main_~n~5 && main_~i~5 <= 2) && main_~j~5 <= 3) && 23 <= main_~k~5) && 10 <= main_~m~5)) || ((((10 <= main_~n~5 && 10 <= main_~m~5) && main_~j~5 <= 9) && 9 <= main_~k~5) && main_~i~5 <= 0)) || ((((10 <= main_~n~5 && main_~j~5 <= 4) && 10 <= main_~m~5) && 4 <= main_~k~5) && main_~i~5 <= 0)) || ((((10 <= main_~n~5 && 3 <= main_~k~5) && main_~j~5 <= 3) && 10 <= main_~m~5) && main_~i~5 <= 0)) || ((((10 <= main_~n~5 && main_~j~5 <= 6) && 6 <= main_~k~5) && 10 <= main_~m~5) && main_~i~5 <= 0)) || ((((10 <= main_~n~5 && main_~j~5 <= 7) && 10 <= main_~m~5) && 17 <= main_~k~5) && main_~i~5 <= 1)) || ((((10 <= main_~n~5 && 2 <= main_~k~5) && 10 <= main_~m~5) && main_~j~5 <= 2) && main_~i~5 <= 0)) || ((((10 <= main_~n~5 && main_~i~5 <= 2) && 10 <= main_~m~5) && 22 <= main_~k~5) && main_~j~5 <= 2)) || (((74 <= main_~k~5 && 10 <= main_~n~5) && main_~j~5 <= 4 && 10 <= main_~m~5) && main_~i~5 <= 7)) || (((10 <= main_~n~5 && 60 <= main_~k~5) && 10 <= main_~m~5 && main_~j~5 <= 0) && main_~i~5 <= 6)) || (((10 <= main_~n~5 && main_~i~5 <= 5) && 51 <= main_~k~5) && main_~j~5 <= 1 && 10 <= main_~m~5)) || (((10 <= main_~n~5 && 42 <= main_~k~5) && 10 <= main_~m~5 && main_~j~5 <= 2) && main_~i~5 <= 4)) || (((10 <= main_~n~5 && 70 <= main_~k~5) && 10 <= main_~m~5 && main_~j~5 <= 0) && main_~i~5 <= 7)) || (98 <= main_~k~5 && main_~i~5 + 1 <= main_~n~5 && main_~j~5 <= 8 && 10 <= main_~m~5)) || (((10 <= main_~n~5 && main_~i~5 <= 8) && 87 <= main_~k~5) && main_~j~5 <= 7 && 10 <= main_~m~5)) || ((((10 <= main_~n~5 && 29 <= main_~k~5) && main_~i~5 <= 2) && 10 <= main_~m~5) && main_~j~5 <= 9)) || ((((10 <= main_~n~5 && main_~i~5 <= 2) && 25 <= main_~k~5) && main_~j~5 <= 5) && 10 <= main_~m~5)) || (((10 <= main_~n~5 && 56 <= main_~k~5) && main_~i~5 <= 5) && main_~j~5 <= 6 && 10 <= main_~m~5)) || ((((10 <= main_~n~5 && 12 <= main_~k~5) && 10 <= main_~m~5) && main_~i~5 <= 1) && main_~j~5 <= 2)) || (((10 <= main_~n~5 && 53 <= main_~k~5) && main_~i~5 <= 5) && main_~j~5 <= 3 && 10 <= main_~m~5)) || ((((10 <= main_~n~5 && 45 <= main_~k~5) && main_~j~5 <= 5) && 10 <= main_~m~5) && main_~i~5 <= 4)) || (((10 <= main_~n~5 && 61 <= main_~k~5) && main_~j~5 <= 1 && 10 <= main_~m~5) && main_~i~5 <= 6)) || (93 <= main_~k~5 && main_~i~5 + 1 <= main_~n~5 && main_~j~5 <= 3 && 10 <= main_~m~5)) || (((10 <= main_~n~5 && main_~i~5 <= 5) && 55 <= main_~k~5) && main_~j~5 <= 5 && 10 <= main_~m~5)) || ((((10 <= main_~n~5 && main_~j~5 <= 3) && 13 <= main_~k~5) && 10 <= main_~m~5) && main_~i~5 <= 1)) || (((10 <= main_~n~5 && main_~i~5 <= 8) && 83 <= main_~k~5) && main_~j~5 <= 3 && 10 <= main_~m~5)) || ((((10 <= main_~n~5 && main_~j~5 <= 6) && main_~i~5 <= 2) && 26 <= main_~k~5) && 10 <= main_~m~5)) || (90 <= main_~k~5 && main_~i~5 + 1 <= main_~n~5 && 10 <= main_~m~5 && main_~j~5 <= 0)) || (((10 <= main_~n~5 && main_~i~5 <= 8) && 88 <= main_~k~5) && main_~j~5 <= 8 && 10 <= main_~m~5)) || (100 <= main_~k~5 && main_~i~5 + 1 <= main_~n~5 && 10 <= main_~m~5)) || (((10 <= main_~n~5 && main_~i~5 <= 5) && 10 <= main_~m~5 && main_~j~5 <= 2) && 52 <= main_~k~5)) || ((((10 <= main_~n~5 && main_~j~5 <= 8) && 48 <= main_~k~5) && 10 <= main_~m~5) && main_~i~5 <= 4)) || (((10 <= main_~n~5 && main_~i~5 <= 2) && 10 <= main_~m~5) && 30 <= main_~k~5)) || (((10 <= main_~n~5 && main_~i~5 <= 8) && 86 <= main_~k~5) && main_~j~5 <= 6 && 10 <= main_~m~5)) || (((10 <= main_~n~5 && main_~j~5 <= 4 && 10 <= main_~m~5) && main_~i~5 <= 4) && 44 <= main_~k~5)) || ((((10 <= main_~n~5 && 18 <= main_~k~5) && main_~j~5 <= 8) && 10 <= main_~m~5) && main_~i~5 <= 1)) || (((10 <= main_~n~5 && 50 <= main_~k~5) && main_~i~5 <= 4) && 10 <= main_~m~5)) || ((((10 <= main_~n~5 && main_~j~5 <= 4) && 14 <= main_~k~5) && 10 <= main_~m~5) && main_~i~5 <= 1)) || (((10 <= main_~n~5 && main_~j~5 <= 8 && 10 <= main_~m~5) && main_~i~5 <= 6) && 68 <= main_~k~5)) || ((((10 <= main_~n~5 && main_~i~5 <= 2) && 21 <= main_~k~5) && main_~j~5 <= 1) && 10 <= main_~m~5)) || ((((10 <= main_~n~5 && 11 <= main_~k~5) && main_~j~5 <= 1) && 10 <= main_~m~5) && main_~i~5 <= 1)) || (((10 <= main_~n~5 && 10 <= main_~m~5 && main_~j~5 <= 9) && 69 <= main_~k~5) && main_~i~5 <= 6)) || (((10 <= main_~n~5 && main_~i~5 <= 8) && 85 <= main_~k~5) && main_~j~5 <= 5 && 10 <= main_~m~5)) || (((10 <= main_~n~5 && 54 <= main_~k~5) && main_~i~5 <= 5) && main_~j~5 <= 4 && 10 <= main_~m~5)) || ((((10 <= main_~n~5 && main_~j~5 <= 5) && 10 <= main_~m~5) && 5 <= main_~k~5) && main_~i~5 <= 0)) || (((10 <= main_~n~5 && 10 <= main_~m~5 && main_~j~5 <= 9) && main_~i~5 <= 5) && 59 <= main_~k~5)) || ((((10 <= main_~n~5 && 20 <= main_~k~5) && main_~i~5 <= 2) && 10 <= main_~m~5) && main_~j~5 <= 0)) || ((main_~i~5 + 1 <= main_~n~5 && 10 <= main_~m~5 && main_~j~5 <= 9) && 99 <= main_~k~5)) || (((10 <= main_~n~5 && main_~j~5 <= 5 && 10 <= main_~m~5) && 65 <= main_~k~5) && main_~i~5 <= 6)) || ((((10 <= main_~n~5 && main_~i~5 <= 3) && 10 <= main_~m~5) && main_~j~5 <= 0) && 30 <= main_~k~5)) || ((((10 <= main_~n~5 && main_~i~5 <= 2) && main_~j~5 <= 4) && 24 <= main_~k~5) && 10 <= main_~m~5)) || ((((10 <= main_~n~5 && main_~j~5 <= 8) && 10 <= main_~m~5) && 8 <= main_~k~5) && main_~i~5 <= 0)) || ((((10 <= main_~n~5 && main_~j~5 <= 6) && 16 <= main_~k~5) && 10 <= main_~m~5) && main_~i~5 <= 1)) || ((main_~i~5 + 1 <= main_~n~5 && main_~j~5 <= 7 && 10 <= main_~m~5) && 97 <= main_~k~5)) || (((10 <= main_~n~5 && 40 <= main_~k~5) && main_~i~5 <= 3) && 10 <= main_~m~5)) || ((main_~i~5 + 1 <= main_~n~5 && main_~j~5 <= 1 && 10 <= main_~m~5) && 91 <= main_~k~5)) || (((10 <= main_~n~5 && main_~j~5 <= 1 && 10 <= main_~m~5) && 41 <= main_~k~5) && main_~i~5 <= 4)) || (((10 <= main_~n~5 && main_~j~5 <= 4 && 10 <= main_~m~5) && 64 <= main_~k~5) && main_~i~5 <= 6)) || (((10 <= main_~n~5 && main_~j~5 <= 7 && 10 <= main_~m~5) && main_~i~5 <= 6) && 67 <= main_~k~5)) || ((((10 <= main_~n~5 && main_~j~5 <= 5) && 15 <= main_~k~5) && 10 <= main_~m~5) && main_~i~5 <= 1)) || ((((10 <= main_~n~5 && main_~i~5 <= 2) && 27 <= main_~k~5) && main_~j~5 <= 7) && 10 <= main_~m~5)) || (((10 <= main_~n~5 && 50 <= main_~k~5) && main_~i~5 <= 5) && 10 <= main_~m~5 && main_~j~5 <= 0)) || ((((10 <= main_~n~5 && 0 <= main_~k~5) && 10 <= main_~m~5) && main_~j~5 <= 0) && main_~i~5 <= 0)) || ((((10 <= main_~n~5 && main_~i~5 <= 2) && main_~j~5 <= 8) && 28 <= main_~k~5) && 10 <= main_~m~5)) || ((((10 <= main_~n~5 && main_~i~5 <= 3) && main_~j~5 <= 7) && 10 <= main_~m~5) && 37 <= main_~k~5)) || (((10 <= main_~n~5 && main_~j~5 <= 6 && 10 <= main_~m~5) && 66 <= main_~k~5) && main_~i~5 <= 6)) || (((10 <= main_~n~5 && 10 <= main_~m~5 && main_~j~5 <= 9) && 79 <= main_~k~5) && main_~i~5 <= 7)) || ((main_~i~5 + 1 <= main_~n~5 && main_~j~5 <= 4 && 10 <= main_~m~5) && 94 <= main_~k~5)) || (((10 <= main_~n~5 && 10 <= main_~m~5) && main_~i~5 <= 5) && 60 <= main_~k~5)) || ((main_~i~5 + 1 <= main_~n~5 && main_~j~5 <= 6 && 10 <= main_~m~5) && 96 <= main_~k~5)) || ((((10 <= main_~n~5 && main_~j~5 <= 8) && 38 <= main_~k~5) && main_~i~5 <= 3) && 10 <= main_~m~5)) || (((10 <= main_~n~5 && main_~i~5 <= 8) && 84 <= main_~k~5) && main_~j~5 <= 4 && 10 <= main_~m~5)) || (((10 <= main_~n~5 && main_~i~5 <= 5) && main_~j~5 <= 8 && 10 <= main_~m~5) && 58 <= main_~k~5)) || ((((10 <= main_~n~5 && main_~j~5 <= 7) && 10 <= main_~m~5) && 47 <= main_~k~5) && main_~i~5 <= 4)) || (((10 <= main_~n~5 && 73 <= main_~k~5) && main_~j~5 <= 3 && 10 <= main_~m~5) && main_~i~5 <= 7)) || (((10 <= main_~n~5 && main_~j~5 <= 5 && 10 <= main_~m~5) && main_~i~5 <= 7) && 75 <= main_~k~5)) || ((((10 <= main_~n~5 && main_~j~5 <= 3) && 43 <= main_~k~5) && 10 <= main_~m~5) && main_~i~5 <= 4)) || ((((10 <= main_~n~5 && main_~j~5 <= 4) && 34 <= main_~k~5) && main_~i~5 <= 3) && 10 <= main_~m~5)) || ((((10 <= main_~n~5 && main_~j~5 <= 6) && main_~i~5 <= 3) && 36 <= main_~k~5) && 10 <= main_~m~5)) || (((10 <= main_~n~5 && 72 <= main_~k~5) && 10 <= main_~m~5 && main_~j~5 <= 2) && main_~i~5 <= 7)) || (((10 <= main_~n~5 && main_~i~5 <= 8) && 10 <= main_~m~5 && main_~j~5 <= 0) && 80 <= main_~k~5)) || (((10 <= main_~n~5 && 10 <= main_~m~5 && main_~j~5 <= 2) && main_~i~5 <= 6) && 62 <= main_~k~5)) || ((((10 <= main_~n~5 && 10 <= main_~k~5) && 10 <= main_~m~5) && main_~j~5 <= 0) && main_~i~5 <= 1)) || ((main_~i~5 + 1 <= main_~n~5 && 10 <= main_~m~5 && main_~j~5 <= 2) && 92 <= main_~k~5)) || (((10 <= main_~n~5 && main_~i~5 <= 8) && 89 <= main_~k~5) && 10 <= main_~m~5 && main_~j~5 <= 9)) || (((10 <= main_~n~5 && 10 <= main_~k~5) && 10 <= main_~m~5) && main_~i~5 <= 0)) || (((10 <= main_~n~5 && main_~i~5 <= 8) && 81 <= main_~k~5) && main_~j~5 <= 1 && 10 <= main_~m~5)) || (((10 <= main_~n~5 && 10 <= main_~m~5 && main_~j~5 <= 9) && main_~i~5 <= 4) && 49 <= main_~k~5)) || (((10 <= main_~n~5 && main_~i~5 <= 3) && main_~j~5 <= 1 && 10 <= main_~m~5) && 31 <= main_~k~5)) || (((10 <= main_~n~5 && 77 <= main_~k~5) && main_~j~5 <= 7 && 10 <= main_~m~5) && main_~i~5 <= 7) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((10 <= main_~n~5 && 0 <= main_~k~5) && 10 <= main_~m~5) && main_~i~5 <= 0) || (((10 <= main_~n~5 && 60 <= main_~k~5) && 10 <= main_~m~5) && main_~i~5 <= 6)) || (((10 <= main_~n~5 && 50 <= main_~k~5) && main_~i~5 <= 5) && 10 <= main_~m~5)) || (100 <= main_~k~5 && 10 <= main_~m~5)) || (((10 <= main_~n~5 && 20 <= main_~k~5) && main_~i~5 <= 2) && 10 <= main_~m~5)) || (((10 <= main_~n~5 && 90 <= main_~k~5) && main_~i~5 <= 9) && 10 <= main_~m~5)) || (((10 <= main_~n~5 && main_~i~5 <= 8) && 10 <= main_~m~5) && 80 <= main_~k~5)) || (((10 <= main_~n~5 && 40 <= main_~k~5) && main_~i~5 <= 4) && 10 <= main_~m~5)) || (((10 <= main_~n~5 && 70 <= main_~k~5) && 10 <= main_~m~5) && main_~i~5 <= 7)) || (((10 <= main_~n~5 && main_~i~5 <= 3) && 10 <= main_~m~5) && 30 <= main_~k~5)) || (((10 <= main_~n~5 && 10 <= main_~k~5) && 10 <= main_~m~5) && main_~i~5 <= 1) - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: false - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 209.4s OverallTime, 19 OverallIterations, 100 TraceHistogramMax, 5.4s AutomataDifference, 0.0s DeadEndRemovalTime, 187.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 254 SDtfs, 392 SDslu, 554 SDs, 0 SdLazy, 744 SolverSat, 138 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 963 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 357 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 19 MinimizatonAttempts, 90 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 5119 NumberOfFragments, 1927 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3229534 FormulaSimplificationTreeSizeReduction, 88.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 251704 FormulaSimplificationTreeSizeReductionInter, 99.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 1533 NumberOfCodeBlocks, 1502 NumberOfCodeBlocksAsserted, 164 NumberOfCheckSat, 1498 ConstructedInterpolants, 0 QuantifiedInterpolants, 571602 SizeOfPredicates, 32 NumberOfNonLiveVariables, 3238 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 35 InterpolantComputations, 3 PerfectInterpolantSequences, 12968/42447 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested.i_4.bplTransformedIcfg_BEv2_3.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-04_12-49-33-488.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested.i_4.bplTransformedIcfg_BEv2_3.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-04_12-49-33-488.csv Received shutdown request...