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.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 10:19:23,345 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 10:19:23,349 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 10:19:23,362 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-09-30 10:19:23,395 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-30 10:19:23,411 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 10:19:23,411 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 10:19:23,412 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 10:19:23,412 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 10:19:23,413 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 10:19:23,413 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 10:19:23,413 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 10:19:23,413 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 10:19:23,414 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 10:19:23,414 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 10:19:23,414 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 10:19:23,414 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 10:19:23,414 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 10:19:23,415 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 10:19:23,415 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 10:19:23,415 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 10:19:23,415 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 10:19:23,415 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 10:19:23,416 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 10:19:23,416 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 10:19:23,416 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 10:19:23,416 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 10:19:23,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 10:19:23,417 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 10:19:23,417 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 10:19:23,417 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 10:19:23,417 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 10:19:23,417 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 10:19:23,418 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 10:19:23,418 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 10:19:23,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 10:19:23,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 10:19:23,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 10:19:23,508 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 10:19:23,509 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 10:19:23,510 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-09-30 10:19:23,510 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl' [2018-09-30 10:19:23,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 10:19:23,593 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 10:19:23,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 10:19:23,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 10:19:23,594 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 10:19:23,625 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 30.09 10:19:23" (1/1) ... [2018-09-30 10:19:23,638 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 30.09 10:19:23" (1/1) ... [2018-09-30 10:19:23,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 10:19:23,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 10:19:23,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 10:19:23,646 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 10:19:23,656 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 30.09 10:19:23" (1/1) ... [2018-09-30 10:19:23,656 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 30.09 10:19:23" (1/1) ... [2018-09-30 10:19:23,657 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 30.09 10:19:23" (1/1) ... [2018-09-30 10:19:23,658 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 30.09 10:19:23" (1/1) ... [2018-09-30 10:19:23,661 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 30.09 10:19:23" (1/1) ... [2018-09-30 10:19:23,663 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 30.09 10:19:23" (1/1) ... [2018-09-30 10:19:23,664 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 30.09 10:19:23" (1/1) ... [2018-09-30 10:19:23,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 10:19:23,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 10:19:23,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 10:19:23,666 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 10:19:23,667 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 30.09 10:19:23" (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 [2018-09-30 10:19:23,729 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-30 10:19:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 10:19:23,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 10:19:23,913 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 10:19:23,914 INFO L202 PluginConnector]: Adding new model nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 10:19:23 BoogieIcfgContainer [2018-09-30 10:19:23,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 10:19:23,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 10:19:23,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 10:19:23,918 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 10:19:23,919 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 30.09 10:19:23" (1/2) ... [2018-09-30 10:19:23,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bbab3bf and model type nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 10:19:23, skipping insertion in model container [2018-09-30 10:19:23,920 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 30.09 10:19:23" (2/2) ... [2018-09-30 10:19:23,922 INFO L112 eAbstractionObserver]: Analyzing ICFG nested.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-09-30 10:19:23,932 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 10:19:23,940 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 10:19:23,993 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 10:19:23,994 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 10:19:23,994 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 10:19:23,995 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 10:19:23,995 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 10:19:23,995 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 10:19:23,995 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 10:19:23,995 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 10:19:23,996 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 10:19:24,012 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-30 10:19:24,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 10:19:24,027 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:24,029 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-30 10:19:24,031 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:24,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:24,039 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2018-09-30 10:19:24,042 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:24,043 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:24,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:24,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:24,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:24,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:19:24,261 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:19:24,261 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:19:24,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:19:24,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:19:24,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:19:24,287 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-09-30 10:19:24,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:24,404 INFO L93 Difference]: Finished difference Result 11 states and 17 transitions. [2018-09-30 10:19:24,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:19:24,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-09-30 10:19:24,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:24,421 INFO L225 Difference]: With dead ends: 11 [2018-09-30 10:19:24,421 INFO L226 Difference]: Without dead ends: 7 [2018-09-30 10:19:24,425 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:19:24,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-30 10:19:24,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2018-09-30 10:19:24,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-09-30 10:19:24,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2018-09-30 10:19:24,474 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 3 [2018-09-30 10:19:24,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:24,474 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-09-30 10:19:24,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:19:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-30 10:19:24,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 10:19:24,475 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:24,475 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-09-30 10:19:24,475 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:24,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:24,476 INFO L82 PathProgramCache]: Analyzing trace with hash 28854189, now seen corresponding path program 1 times [2018-09-30 10:19:24,476 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:24,476 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:24,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:24,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:24,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:24,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:19:24,541 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:19:24,541 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:19:24,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 10:19:24,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 10:19:24,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 10:19:24,544 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. Second operand 4 states. [2018-09-30 10:19:24,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:24,630 INFO L93 Difference]: Finished difference Result 11 states and 14 transitions. [2018-09-30 10:19:24,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-30 10:19:24,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-09-30 10:19:24,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:24,632 INFO L225 Difference]: With dead ends: 11 [2018-09-30 10:19:24,632 INFO L226 Difference]: Without dead ends: 7 [2018-09-30 10:19:24,633 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-30 10:19:24,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-30 10:19:24,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-30 10:19:24,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-30 10:19:24,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2018-09-30 10:19:24,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 5 [2018-09-30 10:19:24,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:24,637 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2018-09-30 10:19:24,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 10:19:24,637 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-09-30 10:19:24,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 10:19:24,638 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:24,638 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-30 10:19:24,638 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:24,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:24,639 INFO L82 PathProgramCache]: Analyzing trace with hash 894431694, now seen corresponding path program 1 times [2018-09-30 10:19:24,639 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:24,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:24,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:24,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:24,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:24,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:19:24,759 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:24,759 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 [2018-09-30 10:19:24,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:24,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:19:24,915 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:19:24,915 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-09-30 10:19:24,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-30 10:19:24,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-30 10:19:24,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-09-30 10:19:24,917 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. Second operand 7 states. [2018-09-30 10:19:24,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:24,967 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2018-09-30 10:19:24,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 10:19:24,969 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-09-30 10:19:24,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:24,970 INFO L225 Difference]: With dead ends: 13 [2018-09-30 10:19:24,970 INFO L226 Difference]: Without dead ends: 8 [2018-09-30 10:19:24,971 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-09-30 10:19:24,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-09-30 10:19:24,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-09-30 10:19:24,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-09-30 10:19:24,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2018-09-30 10:19:24,976 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2018-09-30 10:19:24,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:24,977 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2018-09-30 10:19:24,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-30 10:19:24,978 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-30 10:19:24,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 10:19:24,978 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:24,979 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2018-09-30 10:19:24,979 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:24,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:24,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1957530573, now seen corresponding path program 2 times [2018-09-30 10:19:24,980 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:24,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:24,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:24,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:24,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:25,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:19:25,188 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:25,188 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 [2018-09-30 10:19:25,202 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-30 10:19:25,246 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-30 10:19:25,246 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:19:25,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 10:19:25,493 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:19:25,494 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 7 [2018-09-30 10:19:25,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-30 10:19:25,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-30 10:19:25,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-30 10:19:25,495 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 8 states. [2018-09-30 10:19:25,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:25,953 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2018-09-30 10:19:25,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-30 10:19:25,954 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 7 [2018-09-30 10:19:25,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:25,955 INFO L225 Difference]: With dead ends: 24 [2018-09-30 10:19:25,955 INFO L226 Difference]: Without dead ends: 18 [2018-09-30 10:19:25,957 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2018-09-30 10:19:25,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-09-30 10:19:25,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 14. [2018-09-30 10:19:25,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-09-30 10:19:25,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2018-09-30 10:19:25,964 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 7 [2018-09-30 10:19:25,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:25,965 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2018-09-30 10:19:25,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-30 10:19:25,965 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-09-30 10:19:25,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 10:19:25,966 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:25,966 INFO L375 BasicCegarLoop]: trace histogram [6, 2, 2, 1, 1, 1] [2018-09-30 10:19:25,966 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:25,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:25,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1143121891, now seen corresponding path program 3 times [2018-09-30 10:19:25,967 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:25,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:25,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:25,968 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 10:19:25,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:26,247 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-09-30 10:19:26,248 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:26,248 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 [2018-09-30 10:19:26,263 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-09-30 10:19:26,364 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-09-30 10:19:26,365 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:19:26,368 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:26,534 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-09-30 10:19:26,556 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:19:26,556 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-09-30 10:19:26,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-30 10:19:26,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-30 10:19:26,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2018-09-30 10:19:26,557 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 11 states. [2018-09-30 10:19:26,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:26,595 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2018-09-30 10:19:26,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-30 10:19:26,596 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 13 [2018-09-30 10:19:26,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:26,597 INFO L225 Difference]: With dead ends: 24 [2018-09-30 10:19:26,597 INFO L226 Difference]: Without dead ends: 16 [2018-09-30 10:19:26,598 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2018-09-30 10:19:26,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-09-30 10:19:26,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-09-30 10:19:26,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-09-30 10:19:26,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2018-09-30 10:19:26,604 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2018-09-30 10:19:26,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:26,605 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2018-09-30 10:19:26,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-30 10:19:26,605 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-09-30 10:19:26,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 10:19:26,607 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:26,607 INFO L375 BasicCegarLoop]: trace histogram [8, 2, 2, 1, 1, 1] [2018-09-30 10:19:26,608 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:26,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:26,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1762706263, now seen corresponding path program 4 times [2018-09-30 10:19:26,608 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:26,608 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:26,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:26,611 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 10:19:26,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:26,743 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-30 10:19:26,744 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:26,744 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 [2018-09-30 10:19:26,754 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-09-30 10:19:26,788 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-09-30 10:19:26,789 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:19:26,791 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:26,885 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-30 10:19:26,905 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:19:26,906 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-09-30 10:19:26,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-30 10:19:26,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-30 10:19:26,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-09-30 10:19:26,907 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand 13 states. [2018-09-30 10:19:26,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:26,995 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2018-09-30 10:19:26,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-30 10:19:26,995 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 15 [2018-09-30 10:19:26,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:26,996 INFO L225 Difference]: With dead ends: 27 [2018-09-30 10:19:26,996 INFO L226 Difference]: Without dead ends: 18 [2018-09-30 10:19:26,997 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-09-30 10:19:26,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-09-30 10:19:27,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-09-30 10:19:27,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-09-30 10:19:27,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2018-09-30 10:19:27,003 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 15 [2018-09-30 10:19:27,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:27,003 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2018-09-30 10:19:27,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-30 10:19:27,003 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-09-30 10:19:27,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 10:19:27,004 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:27,004 INFO L375 BasicCegarLoop]: trace histogram [10, 2, 2, 1, 1, 1] [2018-09-30 10:19:27,005 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:27,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:27,005 INFO L82 PathProgramCache]: Analyzing trace with hash 650597027, now seen corresponding path program 5 times [2018-09-30 10:19:27,005 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:27,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:27,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:27,006 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 10:19:27,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-09-30 10:19:27,266 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:27,266 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 [2018-09-30 10:19:27,275 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-09-30 10:19:27,299 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2018-09-30 10:19:27,299 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:19:27,302 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:27,451 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-09-30 10:19:27,478 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:19:27,478 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-09-30 10:19:27,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-30 10:19:27,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-30 10:19:27,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-09-30 10:19:27,479 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 15 states. [2018-09-30 10:19:27,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:27,558 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2018-09-30 10:19:27,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-30 10:19:27,559 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 17 [2018-09-30 10:19:27,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:27,560 INFO L225 Difference]: With dead ends: 30 [2018-09-30 10:19:27,560 INFO L226 Difference]: Without dead ends: 20 [2018-09-30 10:19:27,560 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-09-30 10:19:27,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-09-30 10:19:27,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-09-30 10:19:27,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-09-30 10:19:27,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2018-09-30 10:19:27,566 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 17 [2018-09-30 10:19:27,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:27,566 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2018-09-30 10:19:27,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-30 10:19:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-09-30 10:19:27,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 10:19:27,568 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:27,568 INFO L375 BasicCegarLoop]: trace histogram [12, 2, 2, 1, 1, 1] [2018-09-30 10:19:27,568 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:27,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:27,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1318725353, now seen corresponding path program 6 times [2018-09-30 10:19:27,569 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:27,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:27,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:27,570 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 10:19:27,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:27,752 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 51 proven. 21 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-09-30 10:19:27,753 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:27,753 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 [2018-09-30 10:19:27,762 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-09-30 10:19:27,772 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2018-09-30 10:19:27,773 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:19:27,775 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:27,869 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-09-30 10:19:27,895 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:19:27,895 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4] total 12 [2018-09-30 10:19:27,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-30 10:19:27,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-30 10:19:27,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-09-30 10:19:27,897 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 13 states. [2018-09-30 10:19:29,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:29,103 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2018-09-30 10:19:29,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-09-30 10:19:29,104 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2018-09-30 10:19:29,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:29,104 INFO L225 Difference]: With dead ends: 50 [2018-09-30 10:19:29,105 INFO L226 Difference]: Without dead ends: 39 [2018-09-30 10:19:29,106 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=597, Invalid=1295, Unknown=0, NotChecked=0, Total=1892 [2018-09-30 10:19:29,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-09-30 10:19:29,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 31. [2018-09-30 10:19:29,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-09-30 10:19:29,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2018-09-30 10:19:29,116 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 19 [2018-09-30 10:19:29,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:29,117 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2018-09-30 10:19:29,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-30 10:19:29,117 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2018-09-30 10:19:29,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 10:19:29,118 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:29,118 INFO L375 BasicCegarLoop]: trace histogram [21, 3, 3, 1, 1, 1] [2018-09-30 10:19:29,118 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:29,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:29,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1893667570, now seen corresponding path program 7 times [2018-09-30 10:19:29,119 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:29,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:29,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:29,120 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 10:19:29,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:29,263 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 131 proven. 28 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-09-30 10:19:29,263 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:29,263 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 [2018-09-30 10:19:29,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:29,317 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 131 proven. 28 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-09-30 10:19:29,684 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:19:29,684 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2018-09-30 10:19:29,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-09-30 10:19:29,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-09-30 10:19:29,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2018-09-30 10:19:29,686 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand 19 states. [2018-09-30 10:19:29,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:29,775 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2018-09-30 10:19:29,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-30 10:19:29,775 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 30 [2018-09-30 10:19:29,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:29,776 INFO L225 Difference]: With dead ends: 55 [2018-09-30 10:19:29,776 INFO L226 Difference]: Without dead ends: 34 [2018-09-30 10:19:29,777 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2018-09-30 10:19:29,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-09-30 10:19:29,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-09-30 10:19:29,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-09-30 10:19:29,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-09-30 10:19:29,786 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 30 [2018-09-30 10:19:29,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:29,786 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-09-30 10:19:29,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-09-30 10:19:29,786 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-09-30 10:19:29,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 10:19:29,788 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:29,788 INFO L375 BasicCegarLoop]: trace histogram [24, 3, 3, 1, 1, 1] [2018-09-30 10:19:29,788 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:29,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:29,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1170740991, now seen corresponding path program 8 times [2018-09-30 10:19:29,789 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:29,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:29,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:29,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:29,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:30,181 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 165 proven. 36 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-09-30 10:19:30,181 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:30,182 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 [2018-09-30 10:19:30,194 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-30 10:19:30,235 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-30 10:19:30,235 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:19:30,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:30,405 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 165 proven. 36 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-09-30 10:19:30,436 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:19:30,436 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2018-09-30 10:19:30,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-09-30 10:19:30,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-09-30 10:19:30,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-09-30 10:19:30,438 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 21 states. [2018-09-30 10:19:30,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:30,660 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2018-09-30 10:19:30,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-30 10:19:30,661 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 33 [2018-09-30 10:19:30,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:30,662 INFO L225 Difference]: With dead ends: 60 [2018-09-30 10:19:30,662 INFO L226 Difference]: Without dead ends: 37 [2018-09-30 10:19:30,663 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-09-30 10:19:30,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-09-30 10:19:30,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-09-30 10:19:30,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-09-30 10:19:30,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2018-09-30 10:19:30,679 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 33 [2018-09-30 10:19:30,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:30,680 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2018-09-30 10:19:30,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-09-30 10:19:30,680 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2018-09-30 10:19:30,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 10:19:30,681 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:30,681 INFO L375 BasicCegarLoop]: trace histogram [27, 3, 3, 1, 1, 1] [2018-09-30 10:19:30,682 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:30,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:30,682 INFO L82 PathProgramCache]: Analyzing trace with hash 251197998, now seen corresponding path program 9 times [2018-09-30 10:19:30,682 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:30,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:30,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:30,684 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 10:19:30,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 203 proven. 45 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2018-09-30 10:19:31,085 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:31,086 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 [2018-09-30 10:19:31,098 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-09-30 10:19:31,198 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2018-09-30 10:19:31,199 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:19:31,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:31,397 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 203 proven. 45 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2018-09-30 10:19:31,417 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:19:31,417 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2018-09-30 10:19:31,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-09-30 10:19:31,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-09-30 10:19:31,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2018-09-30 10:19:31,419 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 23 states. [2018-09-30 10:19:31,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:31,662 INFO L93 Difference]: Finished difference Result 65 states and 73 transitions. [2018-09-30 10:19:31,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-30 10:19:31,663 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 36 [2018-09-30 10:19:31,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:31,664 INFO L225 Difference]: With dead ends: 65 [2018-09-30 10:19:31,664 INFO L226 Difference]: Without dead ends: 40 [2018-09-30 10:19:31,666 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2018-09-30 10:19:31,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-09-30 10:19:31,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-09-30 10:19:31,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-09-30 10:19:31,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2018-09-30 10:19:31,681 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 36 [2018-09-30 10:19:31,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:31,681 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2018-09-30 10:19:31,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-09-30 10:19:31,682 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-09-30 10:19:31,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 10:19:31,683 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:31,683 INFO L375 BasicCegarLoop]: trace histogram [30, 3, 3, 1, 1, 1] [2018-09-30 10:19:31,684 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:31,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:31,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1180066335, now seen corresponding path program 10 times [2018-09-30 10:19:31,684 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:31,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:31,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:31,687 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 10:19:31,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:31,890 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-09-30 10:19:31,890 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:31,890 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 [2018-09-30 10:19:31,902 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-09-30 10:19:31,956 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-09-30 10:19:31,957 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:19:31,960 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:32,054 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-09-30 10:19:32,075 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:19:32,076 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2018-09-30 10:19:32,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-30 10:19:32,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-30 10:19:32,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-09-30 10:19:32,077 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 10 states. [2018-09-30 10:19:32,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:32,181 INFO L93 Difference]: Finished difference Result 65 states and 70 transitions. [2018-09-30 10:19:32,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-30 10:19:32,183 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 39 [2018-09-30 10:19:32,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:32,184 INFO L225 Difference]: With dead ends: 65 [2018-09-30 10:19:32,184 INFO L226 Difference]: Without dead ends: 63 [2018-09-30 10:19:32,185 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-09-30 10:19:32,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-09-30 10:19:32,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 52. [2018-09-30 10:19:32,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-09-30 10:19:32,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2018-09-30 10:19:32,197 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 39 [2018-09-30 10:19:32,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:32,197 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2018-09-30 10:19:32,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-30 10:19:32,198 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2018-09-30 10:19:32,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 10:19:32,199 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:32,199 INFO L375 BasicCegarLoop]: trace histogram [40, 4, 4, 1, 1, 1] [2018-09-30 10:19:32,199 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:32,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:32,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1381898283, now seen corresponding path program 11 times [2018-09-30 10:19:32,199 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:32,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:32,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:32,200 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 10:19:32,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 0 proven. 736 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-09-30 10:19:32,740 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:32,740 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 [2018-09-30 10:19:32,756 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-09-30 10:19:32,863 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2018-09-30 10:19:32,864 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:19:32,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:32,960 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 0 proven. 736 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-09-30 10:19:32,982 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:19:32,982 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2018-09-30 10:19:32,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-30 10:19:32,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-30 10:19:32,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2018-09-30 10:19:32,983 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 12 states. [2018-09-30 10:19:33,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:33,144 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2018-09-30 10:19:33,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-30 10:19:33,147 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 51 [2018-09-30 10:19:33,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:33,148 INFO L225 Difference]: With dead ends: 77 [2018-09-30 10:19:33,148 INFO L226 Difference]: Without dead ends: 75 [2018-09-30 10:19:33,148 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2018-09-30 10:19:33,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-09-30 10:19:33,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 64. [2018-09-30 10:19:33,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-09-30 10:19:33,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2018-09-30 10:19:33,163 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 51 [2018-09-30 10:19:33,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:33,163 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2018-09-30 10:19:33,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-30 10:19:33,164 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2018-09-30 10:19:33,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-30 10:19:33,165 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:33,165 INFO L375 BasicCegarLoop]: trace histogram [50, 5, 5, 1, 1, 1] [2018-09-30 10:19:33,165 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:33,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:33,166 INFO L82 PathProgramCache]: Analyzing trace with hash -536120459, now seen corresponding path program 12 times [2018-09-30 10:19:33,166 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:33,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:33,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:33,167 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 10:19:33,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:33,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2018-09-30 10:19:33,338 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:33,338 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 [2018-09-30 10:19:33,346 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-09-30 10:19:33,406 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2018-09-30 10:19:33,407 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:19:33,410 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2018-09-30 10:19:33,540 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:19:33,540 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2018-09-30 10:19:33,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-30 10:19:33,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-30 10:19:33,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=106, Unknown=0, NotChecked=0, Total=182 [2018-09-30 10:19:33,543 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 14 states. [2018-09-30 10:19:33,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:33,645 INFO L93 Difference]: Finished difference Result 89 states and 96 transitions. [2018-09-30 10:19:33,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-30 10:19:33,647 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 63 [2018-09-30 10:19:33,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:33,648 INFO L225 Difference]: With dead ends: 89 [2018-09-30 10:19:33,648 INFO L226 Difference]: Without dead ends: 87 [2018-09-30 10:19:33,649 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=106, Unknown=0, NotChecked=0, Total=182 [2018-09-30 10:19:33,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-09-30 10:19:33,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 76. [2018-09-30 10:19:33,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-09-30 10:19:33,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2018-09-30 10:19:33,667 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 63 [2018-09-30 10:19:33,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:33,668 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2018-09-30 10:19:33,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-30 10:19:33,668 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2018-09-30 10:19:33,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-30 10:19:33,669 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:33,669 INFO L375 BasicCegarLoop]: trace histogram [60, 6, 6, 1, 1, 1] [2018-09-30 10:19:33,670 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:33,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:33,670 INFO L82 PathProgramCache]: Analyzing trace with hash -681037889, now seen corresponding path program 13 times [2018-09-30 10:19:33,670 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:33,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:33,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:33,671 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 10:19:33,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:33,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 0 proven. 1836 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-09-30 10:19:33,835 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:33,835 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 [2018-09-30 10:19:33,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:33,907 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:34,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 0 proven. 1836 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-09-30 10:19:34,090 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:19:34,090 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2018-09-30 10:19:34,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-30 10:19:34,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-30 10:19:34,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2018-09-30 10:19:34,091 INFO L87 Difference]: Start difference. First operand 76 states and 82 transitions. Second operand 16 states. [2018-09-30 10:19:34,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:34,295 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2018-09-30 10:19:34,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-30 10:19:34,297 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 75 [2018-09-30 10:19:34,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:34,299 INFO L225 Difference]: With dead ends: 101 [2018-09-30 10:19:34,299 INFO L226 Difference]: Without dead ends: 99 [2018-09-30 10:19:34,300 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2018-09-30 10:19:34,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-09-30 10:19:34,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 88. [2018-09-30 10:19:34,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-09-30 10:19:34,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 95 transitions. [2018-09-30 10:19:34,331 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 95 transitions. Word has length 75 [2018-09-30 10:19:34,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:34,331 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 95 transitions. [2018-09-30 10:19:34,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-09-30 10:19:34,332 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2018-09-30 10:19:34,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-30 10:19:34,338 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:34,338 INFO L375 BasicCegarLoop]: trace histogram [70, 7, 7, 1, 1, 1] [2018-09-30 10:19:34,340 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:34,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:34,341 INFO L82 PathProgramCache]: Analyzing trace with hash -815084279, now seen corresponding path program 14 times [2018-09-30 10:19:34,341 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:34,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:34,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:34,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:34,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:34,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2954 backedges. 0 proven. 2569 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2018-09-30 10:19:34,683 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:34,683 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 [2018-09-30 10:19:34,697 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-30 10:19:34,764 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-30 10:19:34,764 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:19:34,768 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:35,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2954 backedges. 0 proven. 2569 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2018-09-30 10:19:35,198 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:19:35,198 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2018-09-30 10:19:35,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-30 10:19:35,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-30 10:19:35,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=181, Unknown=0, NotChecked=0, Total=306 [2018-09-30 10:19:35,199 INFO L87 Difference]: Start difference. First operand 88 states and 95 transitions. Second operand 18 states. [2018-09-30 10:19:35,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:35,462 INFO L93 Difference]: Finished difference Result 113 states and 122 transitions. [2018-09-30 10:19:35,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-30 10:19:35,463 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 87 [2018-09-30 10:19:35,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:35,464 INFO L225 Difference]: With dead ends: 113 [2018-09-30 10:19:35,464 INFO L226 Difference]: Without dead ends: 111 [2018-09-30 10:19:35,465 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=125, Invalid=181, Unknown=0, NotChecked=0, Total=306 [2018-09-30 10:19:35,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-09-30 10:19:35,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 100. [2018-09-30 10:19:35,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-09-30 10:19:35,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 108 transitions. [2018-09-30 10:19:35,487 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 108 transitions. Word has length 87 [2018-09-30 10:19:35,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:35,488 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 108 transitions. [2018-09-30 10:19:35,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-30 10:19:35,488 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 108 transitions. [2018-09-30 10:19:35,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-30 10:19:35,490 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:35,490 INFO L375 BasicCegarLoop]: trace histogram [80, 8, 8, 1, 1, 1] [2018-09-30 10:19:35,490 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:35,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:35,491 INFO L82 PathProgramCache]: Analyzing trace with hash 558484307, now seen corresponding path program 15 times [2018-09-30 10:19:35,491 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:35,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:35,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:35,492 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 10:19:35,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:35,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3864 backedges. 0 proven. 3424 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2018-09-30 10:19:35,742 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:35,742 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 [2018-09-30 10:19:35,751 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-09-30 10:19:35,884 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 49 check-sat command(s) [2018-09-30 10:19:35,884 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:19:35,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:36,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3864 backedges. 0 proven. 3424 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2018-09-30 10:19:36,066 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:19:36,067 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2018-09-30 10:19:36,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-09-30 10:19:36,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-09-30 10:19:36,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=226, Unknown=0, NotChecked=0, Total=380 [2018-09-30 10:19:36,068 INFO L87 Difference]: Start difference. First operand 100 states and 108 transitions. Second operand 20 states. [2018-09-30 10:19:36,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:36,175 INFO L93 Difference]: Finished difference Result 125 states and 135 transitions. [2018-09-30 10:19:36,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-30 10:19:36,178 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 99 [2018-09-30 10:19:36,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:36,179 INFO L225 Difference]: With dead ends: 125 [2018-09-30 10:19:36,179 INFO L226 Difference]: Without dead ends: 123 [2018-09-30 10:19:36,180 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=154, Invalid=226, Unknown=0, NotChecked=0, Total=380 [2018-09-30 10:19:36,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-09-30 10:19:36,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 112. [2018-09-30 10:19:36,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-09-30 10:19:36,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 121 transitions. [2018-09-30 10:19:36,209 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 121 transitions. Word has length 99 [2018-09-30 10:19:36,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:36,209 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 121 transitions. [2018-09-30 10:19:36,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-09-30 10:19:36,209 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 121 transitions. [2018-09-30 10:19:36,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-30 10:19:36,210 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:36,210 INFO L375 BasicCegarLoop]: trace histogram [90, 9, 9, 1, 1, 1] [2018-09-30 10:19:36,210 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:36,211 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:36,211 INFO L82 PathProgramCache]: Analyzing trace with hash -2005161315, now seen corresponding path program 16 times [2018-09-30 10:19:36,211 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:36,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:36,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:36,212 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 10:19:36,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:37,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4896 backedges. 0 proven. 4401 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-09-30 10:19:37,063 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:37,063 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 [2018-09-30 10:19:37,071 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-09-30 10:19:37,160 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-09-30 10:19:37,161 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:19:37,165 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:37,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4896 backedges. 0 proven. 4401 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-09-30 10:19:37,389 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:19:37,390 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2018-09-30 10:19:37,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-09-30 10:19:37,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-09-30 10:19:37,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=276, Unknown=0, NotChecked=0, Total=462 [2018-09-30 10:19:37,391 INFO L87 Difference]: Start difference. First operand 112 states and 121 transitions. Second operand 22 states. [2018-09-30 10:19:37,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:37,477 INFO L93 Difference]: Finished difference Result 137 states and 148 transitions. [2018-09-30 10:19:37,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-30 10:19:37,486 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 111 [2018-09-30 10:19:37,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:37,487 INFO L225 Difference]: With dead ends: 137 [2018-09-30 10:19:37,487 INFO L226 Difference]: Without dead ends: 135 [2018-09-30 10:19:37,488 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=186, Invalid=276, Unknown=0, NotChecked=0, Total=462 [2018-09-30 10:19:37,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-09-30 10:19:37,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 124. [2018-09-30 10:19:37,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-09-30 10:19:37,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 134 transitions. [2018-09-30 10:19:37,512 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 134 transitions. Word has length 111 [2018-09-30 10:19:37,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:37,512 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 134 transitions. [2018-09-30 10:19:37,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-09-30 10:19:37,512 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 134 transitions. [2018-09-30 10:19:37,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-09-30 10:19:37,513 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:37,513 INFO L375 BasicCegarLoop]: trace histogram [100, 10, 10, 1, 1, 1] [2018-09-30 10:19:37,513 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:37,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:37,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1028199705, now seen corresponding path program 17 times [2018-09-30 10:19:37,514 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:37,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:37,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:37,515 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 10:19:37,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:43,268 INFO L134 CoverageAnalysis]: Checked inductivity of 6050 backedges. 6041 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-30 10:19:43,269 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:19:43,269 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [102] imperfect sequences [] total 102 [2018-09-30 10:19:43,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-09-30 10:19:43,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-09-30 10:19:43,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-09-30 10:19:43,275 INFO L87 Difference]: Start difference. First operand 124 states and 134 transitions. Second operand 103 states. [2018-09-30 10:19:46,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:46,046 INFO L93 Difference]: Finished difference Result 5119 states and 5579 transitions. [2018-09-30 10:19:46,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-09-30 10:19:46,046 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 123 [2018-09-30 10:19:46,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:46,047 INFO L225 Difference]: With dead ends: 5119 [2018-09-30 10:19:46,047 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 10:19:46,057 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-09-30 10:19:46,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 10:19:46,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 10:19:46,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 10:19:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 10:19:46,058 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2018-09-30 10:19:46,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:46,058 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 10:19:46,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-09-30 10:19:46,059 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 10:19:46,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 10:19:46,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 10:19:52,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:52,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:53,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:53,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:53,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:53,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:53,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:53,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:53,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:53,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:53,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:53,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:53,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:53,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:53,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:53,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:53,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:53,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:54,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:55,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:56,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:56,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:56,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:56,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:56,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:56,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:56,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:56,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:56,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:56,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:56,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:56,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:57,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:57,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:57,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:57,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:57,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:57,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:57,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:57,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:57,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:58,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:58,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:58,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:58,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:58,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:58,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:59,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:59,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:59,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:59,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:59,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:59,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:00,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:00,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:00,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:00,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:00,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:00,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:00,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:00,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:00,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:01,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:01,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:01,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:01,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:02,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:02,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:02,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:02,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:02,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:03,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:03,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:03,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:03,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:04,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:04,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:04,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:04,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:04,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:05,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:05,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:05,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:05,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:05,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:05,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:05,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:05,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:05,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:06,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:06,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:07,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:07,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:07,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:07,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:07,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:08,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:08,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:08,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:09,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:09,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:09,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:09,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:09,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:09,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:09,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:09,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:10,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:10,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:10,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:11,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:11,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:11,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:12,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:12,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:12,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:13,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:14,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:14,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:14,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:14,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:15,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:15,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:15,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:17,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:17,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:19,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:19,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:19,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:19,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:20,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:21,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:21,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:21,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:22,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:22,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:22,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:22,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:22,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:23,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:24,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:24,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:26,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:26,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:26,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:27,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:27,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:27,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:28,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:29,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:29,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:30,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:31,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:32,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:33,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:33,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:33,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:34,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:36,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:36,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:37,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:43,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:43,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:45,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:45,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:46,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:48,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:52,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:53,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:55,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:58,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:20:58,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:21:00,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:21:16,287 WARN L178 SmtUtils]: Spent 1.50 m on a formula simplification. DAG size of input: 5112 DAG size of output: 2150 [2018-09-30 10:21:17,228 WARN L178 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 664 [2018-09-30 10:22:51,970 WARN L178 SmtUtils]: Spent 1.58 m on a formula simplification. DAG size of input: 2150 DAG size of output: 362 [2018-09-30 10:22:58,457 WARN L178 SmtUtils]: Spent 6.48 s on a formula simplification. DAG size of input: 664 DAG size of output: 59 [2018-09-30 10:22:58,463 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 71) no Hoare annotation was computed. [2018-09-30 10:22:58,464 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 51) no Hoare annotation was computed. [2018-09-30 10:22:58,465 INFO L422 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)))) [2018-09-30 10:22:58,466 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 71) no Hoare annotation was computed. [2018-09-30 10:22:58,466 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 71) no Hoare annotation was computed. [2018-09-30 10:22:58,466 INFO L422 ceAbstractionStarter]: At program point L45(lines 45 50) the Hoare annotation is: false [2018-09-30 10:22:58,466 INFO L422 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)))) [2018-09-30 10:22:58,500 INFO L202 PluginConnector]: Adding new model nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 10:22:58 BoogieIcfgContainer [2018-09-30 10:22:58,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 10:22:58,501 INFO L168 Benchmark]: Toolchain (without parser) took 214910.74 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-09-30 10:22:58,502 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:22:58,503 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.70 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:22:58,503 INFO L168 Benchmark]: Boogie Preprocessor took 19.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:22:58,504 INFO L168 Benchmark]: RCFGBuilder took 248.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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. [2018-09-30 10:22:58,505 INFO L168 Benchmark]: TraceAbstraction took 214585.36 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 2.5 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-09-30 10:22:58,508 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 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.70 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 248.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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 214585.36 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 2.5 GB in the end (delta: -1.0 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, 214.4s OverallTime, 19 OverallIterations, 100 TraceHistogramMax, 6.6s AutomataDifference, 0.0s DeadEndRemovalTime, 192.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 254 SDtfs, 398 SDslu, 417 SDs, 0 SdLazy, 636 SolverSat, 149 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 963 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 357 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1747 ImplicationChecksByTransitivity, 13.1s 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: 0.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 90 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 5119 NumberOfFragments, 1927 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3229534 FormulaSimplificationTreeSizeReduction, 91.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 251704 FormulaSimplificationTreeSizeReductionInter, 101.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 12.8s 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.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_10-22-58-533.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested.i_4.bplTransformedIcfg_BEv2_3.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_10-22-58-533.csv Received shutdown request...