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/20170304-DifficultPathPrograms/s3_clnt_3.BV.c.cil.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 20:20:06,305 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 20:20:06,308 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 20:20:06,323 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-09-30 20:20:06,361 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 20:20:06,376 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 20:20:06,377 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 20:20:06,378 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 20:20:06,378 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 20:20:06,379 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 20:20:06,379 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 20:20:06,379 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 20:20:06,379 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 20:20:06,379 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 20:20:06,380 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 20:20:06,380 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 20:20:06,380 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 20:20:06,380 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 20:20:06,380 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 20:20:06,380 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 20:20:06,381 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 20:20:06,381 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 20:20:06,381 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 20:20:06,381 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 20:20:06,381 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 20:20:06,382 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 20:20:06,382 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 20:20:06,382 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 20:20:06,382 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 20:20:06,382 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 20:20:06,383 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 20:20:06,383 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 20:20:06,383 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 20:20:06,384 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 20:20:06,385 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 20:20:06,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 20:20:06,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 20:20:06,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 20:20:06,477 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 20:20:06,477 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 20:20:06,479 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_3.BV.c.cil.c_19.bpl [2018-09-30 20:20:06,479 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_3.BV.c.cil.c_19.bpl' [2018-09-30 20:20:06,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 20:20:06,595 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 20:20:06,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 20:20:06,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 20:20:06,596 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 20:20:06,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:06" (1/1) ... [2018-09-30 20:20:06,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:06" (1/1) ... [2018-09-30 20:20:06,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 20:20:06,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 20:20:06,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 20:20:06,655 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 20:20:06,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:06" (1/1) ... [2018-09-30 20:20:06,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:06" (1/1) ... [2018-09-30 20:20:06,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:06" (1/1) ... [2018-09-30 20:20:06,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:06" (1/1) ... [2018-09-30 20:20:06,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:06" (1/1) ... [2018-09-30 20:20:06,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:06" (1/1) ... [2018-09-30 20:20:06,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:06" (1/1) ... [2018-09-30 20:20:06,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 20:20:06,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 20:20:06,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 20:20:06,709 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 20:20:06,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:06" (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 20:20:06,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 20:20:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 20:20:07,442 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 20:20:07,442 INFO L202 PluginConnector]: Adding new model s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:20:07 BoogieIcfgContainer [2018-09-30 20:20:07,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 20:20:07,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 20:20:07,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 20:20:07,447 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 20:20:07,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:06" (1/2) ... [2018-09-30 20:20:07,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd3f1b3 and model type s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 08:20:07, skipping insertion in model container [2018-09-30 20:20:07,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:20:07" (2/2) ... [2018-09-30 20:20:07,451 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil.c_19.bpl [2018-09-30 20:20:07,463 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 20:20:07,473 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 20:20:07,522 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 20:20:07,522 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 20:20:07,523 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 20:20:07,523 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 20:20:07,523 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 20:20:07,523 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 20:20:07,523 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 20:20:07,523 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 20:20:07,524 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 20:20:07,540 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-09-30 20:20:07,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 20:20:07,548 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:07,549 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:07,551 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:07,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:07,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1918382949, now seen corresponding path program 1 times [2018-09-30 20:20:07,559 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:07,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:07,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:07,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:07,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:07,738 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 20:20:07,741 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:07,741 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 20:20:07,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:07,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:07,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:07,761 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2018-09-30 20:20:07,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:07,918 INFO L93 Difference]: Finished difference Result 37 states and 62 transitions. [2018-09-30 20:20:07,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:07,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-09-30 20:20:07,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:07,933 INFO L225 Difference]: With dead ends: 37 [2018-09-30 20:20:07,934 INFO L226 Difference]: Without dead ends: 20 [2018-09-30 20:20:07,938 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 20:20:07,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-09-30 20:20:07,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-09-30 20:20:07,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-09-30 20:20:07,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 31 transitions. [2018-09-30 20:20:07,976 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 31 transitions. Word has length 10 [2018-09-30 20:20:07,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:07,976 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 31 transitions. [2018-09-30 20:20:07,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:07,977 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2018-09-30 20:20:07,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 20:20:07,977 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:07,978 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:07,978 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:07,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:07,978 INFO L82 PathProgramCache]: Analyzing trace with hash -688967491, now seen corresponding path program 1 times [2018-09-30 20:20:07,979 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:07,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:07,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:07,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:07,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:20:08,069 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:08,069 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:20:08,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:08,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:08,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:08,072 INFO L87 Difference]: Start difference. First operand 20 states and 31 transitions. Second operand 3 states. [2018-09-30 20:20:08,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:08,289 INFO L93 Difference]: Finished difference Result 41 states and 65 transitions. [2018-09-30 20:20:08,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:08,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-09-30 20:20:08,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:08,290 INFO L225 Difference]: With dead ends: 41 [2018-09-30 20:20:08,290 INFO L226 Difference]: Without dead ends: 24 [2018-09-30 20:20:08,291 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:08,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-09-30 20:20:08,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-09-30 20:20:08,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-09-30 20:20:08,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 35 transitions. [2018-09-30 20:20:08,298 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 35 transitions. Word has length 13 [2018-09-30 20:20:08,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:08,299 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 35 transitions. [2018-09-30 20:20:08,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:08,299 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-09-30 20:20:08,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 20:20:08,300 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:08,300 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:08,301 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:08,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:08,301 INFO L82 PathProgramCache]: Analyzing trace with hash 485156347, now seen corresponding path program 1 times [2018-09-30 20:20:08,302 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:08,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:08,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:08,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:08,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:08,403 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 20:20:08,403 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:08,403 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:20:08,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:08,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:08,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:08,405 INFO L87 Difference]: Start difference. First operand 24 states and 35 transitions. Second operand 3 states. [2018-09-30 20:20:08,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:08,605 INFO L93 Difference]: Finished difference Result 50 states and 75 transitions. [2018-09-30 20:20:08,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:08,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-09-30 20:20:08,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:08,607 INFO L225 Difference]: With dead ends: 50 [2018-09-30 20:20:08,607 INFO L226 Difference]: Without dead ends: 29 [2018-09-30 20:20:08,608 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:08,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-09-30 20:20:08,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-09-30 20:20:08,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-09-30 20:20:08,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2018-09-30 20:20:08,615 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2018-09-30 20:20:08,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:08,616 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2018-09-30 20:20:08,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:08,616 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2018-09-30 20:20:08,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 20:20:08,617 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:08,617 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:08,617 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:08,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:08,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1400979255, now seen corresponding path program 1 times [2018-09-30 20:20:08,618 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:08,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:08,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:08,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:08,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-30 20:20:08,773 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:08,773 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:20:08,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:08,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:08,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:08,775 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2018-09-30 20:20:08,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:08,889 INFO L93 Difference]: Finished difference Result 74 states and 108 transitions. [2018-09-30 20:20:08,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:08,890 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-09-30 20:20:08,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:08,891 INFO L225 Difference]: With dead ends: 74 [2018-09-30 20:20:08,891 INFO L226 Difference]: Without dead ends: 48 [2018-09-30 20:20:08,892 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:08,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-09-30 20:20:08,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2018-09-30 20:20:08,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-09-30 20:20:08,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 64 transitions. [2018-09-30 20:20:08,902 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 64 transitions. Word has length 24 [2018-09-30 20:20:08,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:08,902 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 64 transitions. [2018-09-30 20:20:08,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:08,903 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2018-09-30 20:20:08,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 20:20:08,904 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:08,904 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:08,904 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:08,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:08,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1854060543, now seen corresponding path program 1 times [2018-09-30 20:20:08,905 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:08,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:08,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:08,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:08,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:09,021 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-09-30 20:20:09,021 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:09,021 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:20:09,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:09,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:09,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:09,024 INFO L87 Difference]: Start difference. First operand 44 states and 64 transitions. Second operand 3 states. [2018-09-30 20:20:09,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:09,202 INFO L93 Difference]: Finished difference Result 92 states and 137 transitions. [2018-09-30 20:20:09,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:09,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-09-30 20:20:09,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:09,206 INFO L225 Difference]: With dead ends: 92 [2018-09-30 20:20:09,206 INFO L226 Difference]: Without dead ends: 51 [2018-09-30 20:20:09,207 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:09,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-09-30 20:20:09,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-09-30 20:20:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-09-30 20:20:09,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 71 transitions. [2018-09-30 20:20:09,217 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 71 transitions. Word has length 30 [2018-09-30 20:20:09,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:09,218 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 71 transitions. [2018-09-30 20:20:09,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:09,218 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2018-09-30 20:20:09,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 20:20:09,219 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:09,219 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:09,220 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:09,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:09,220 INFO L82 PathProgramCache]: Analyzing trace with hash 122269039, now seen corresponding path program 1 times [2018-09-30 20:20:09,220 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:09,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:09,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:09,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:09,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:09,326 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 20:20:09,326 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:09,326 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:20:09,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:09,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:09,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:09,328 INFO L87 Difference]: Start difference. First operand 51 states and 71 transitions. Second operand 3 states. [2018-09-30 20:20:09,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:09,452 INFO L93 Difference]: Finished difference Result 71 states and 102 transitions. [2018-09-30 20:20:09,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:09,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-09-30 20:20:09,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:09,456 INFO L225 Difference]: With dead ends: 71 [2018-09-30 20:20:09,456 INFO L226 Difference]: Without dead ends: 69 [2018-09-30 20:20:09,457 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:09,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-09-30 20:20:09,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 64. [2018-09-30 20:20:09,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-09-30 20:20:09,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2018-09-30 20:20:09,468 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 37 [2018-09-30 20:20:09,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:09,468 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2018-09-30 20:20:09,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:09,468 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2018-09-30 20:20:09,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 20:20:09,470 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:09,470 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 6, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:09,470 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:09,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:09,471 INFO L82 PathProgramCache]: Analyzing trace with hash -827312127, now seen corresponding path program 1 times [2018-09-30 20:20:09,471 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:09,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:09,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:09,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:09,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 20:20:09,572 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:09,572 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:20:09,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:09,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:09,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:09,574 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand 3 states. [2018-09-30 20:20:09,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:09,861 INFO L93 Difference]: Finished difference Result 161 states and 250 transitions. [2018-09-30 20:20:09,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:09,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-09-30 20:20:09,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:09,864 INFO L225 Difference]: With dead ends: 161 [2018-09-30 20:20:09,865 INFO L226 Difference]: Without dead ends: 100 [2018-09-30 20:20:09,865 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:09,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-09-30 20:20:09,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-09-30 20:20:09,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-09-30 20:20:09,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 145 transitions. [2018-09-30 20:20:09,880 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 145 transitions. Word has length 44 [2018-09-30 20:20:09,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:09,881 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 145 transitions. [2018-09-30 20:20:09,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:09,881 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2018-09-30 20:20:09,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 20:20:09,883 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:09,883 INFO L375 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:09,883 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:09,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:09,884 INFO L82 PathProgramCache]: Analyzing trace with hash -520844702, now seen corresponding path program 1 times [2018-09-30 20:20:09,884 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:09,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:09,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:09,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:09,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:10,010 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-09-30 20:20:10,011 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:10,011 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:20:10,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:10,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:10,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:10,012 INFO L87 Difference]: Start difference. First operand 100 states and 145 transitions. Second operand 3 states. [2018-09-30 20:20:10,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:10,300 INFO L93 Difference]: Finished difference Result 205 states and 297 transitions. [2018-09-30 20:20:10,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:10,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2018-09-30 20:20:10,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:10,303 INFO L225 Difference]: With dead ends: 205 [2018-09-30 20:20:10,303 INFO L226 Difference]: Without dead ends: 108 [2018-09-30 20:20:10,304 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:10,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-09-30 20:20:10,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-09-30 20:20:10,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-09-30 20:20:10,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2018-09-30 20:20:10,319 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 153 transitions. Word has length 56 [2018-09-30 20:20:10,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:10,320 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 153 transitions. [2018-09-30 20:20:10,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:10,320 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2018-09-30 20:20:10,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-30 20:20:10,321 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:10,322 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 7, 5, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:10,322 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:10,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:10,322 INFO L82 PathProgramCache]: Analyzing trace with hash 743728902, now seen corresponding path program 1 times [2018-09-30 20:20:10,322 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:10,323 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:10,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:10,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:10,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:10,424 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-09-30 20:20:10,425 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:10,425 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:20:10,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:10,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:10,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:10,428 INFO L87 Difference]: Start difference. First operand 108 states and 153 transitions. Second operand 3 states. [2018-09-30 20:20:10,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:10,812 INFO L93 Difference]: Finished difference Result 240 states and 339 transitions. [2018-09-30 20:20:10,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:10,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-09-30 20:20:10,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:10,814 INFO L225 Difference]: With dead ends: 240 [2018-09-30 20:20:10,814 INFO L226 Difference]: Without dead ends: 135 [2018-09-30 20:20:10,818 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:10,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-09-30 20:20:10,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-09-30 20:20:10,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-09-30 20:20:10,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 180 transitions. [2018-09-30 20:20:10,851 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 180 transitions. Word has length 65 [2018-09-30 20:20:10,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:10,852 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 180 transitions. [2018-09-30 20:20:10,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:10,852 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 180 transitions. [2018-09-30 20:20:10,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 20:20:10,853 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:10,853 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 9, 8, 6, 5, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:10,854 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:10,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:10,854 INFO L82 PathProgramCache]: Analyzing trace with hash 77382112, now seen corresponding path program 1 times [2018-09-30 20:20:10,854 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:10,855 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:10,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:10,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:10,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:10,946 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-09-30 20:20:10,947 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:10,947 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:20:10,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:10,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:10,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:10,949 INFO L87 Difference]: Start difference. First operand 135 states and 180 transitions. Second operand 3 states. [2018-09-30 20:20:11,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:11,151 INFO L93 Difference]: Finished difference Result 297 states and 399 transitions. [2018-09-30 20:20:11,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:11,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2018-09-30 20:20:11,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:11,154 INFO L225 Difference]: With dead ends: 297 [2018-09-30 20:20:11,155 INFO L226 Difference]: Without dead ends: 165 [2018-09-30 20:20:11,156 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:11,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-09-30 20:20:11,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-09-30 20:20:11,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-09-30 20:20:11,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 210 transitions. [2018-09-30 20:20:11,174 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 210 transitions. Word has length 74 [2018-09-30 20:20:11,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:11,175 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 210 transitions. [2018-09-30 20:20:11,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:11,175 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 210 transitions. [2018-09-30 20:20:11,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 20:20:11,177 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:11,177 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 9, 7, 6, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:11,177 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:11,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:11,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1320054553, now seen corresponding path program 1 times [2018-09-30 20:20:11,178 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:11,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:11,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:11,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:11,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:11,289 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-09-30 20:20:11,290 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:11,290 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:20:11,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:11,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:11,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:11,291 INFO L87 Difference]: Start difference. First operand 165 states and 210 transitions. Second operand 3 states. [2018-09-30 20:20:11,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:11,787 INFO L93 Difference]: Finished difference Result 360 states and 465 transitions. [2018-09-30 20:20:11,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:11,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2018-09-30 20:20:11,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:11,790 INFO L225 Difference]: With dead ends: 360 [2018-09-30 20:20:11,791 INFO L226 Difference]: Without dead ends: 198 [2018-09-30 20:20:11,791 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:11,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-09-30 20:20:11,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2018-09-30 20:20:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-09-30 20:20:11,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 243 transitions. [2018-09-30 20:20:11,822 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 243 transitions. Word has length 84 [2018-09-30 20:20:11,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:11,823 INFO L480 AbstractCegarLoop]: Abstraction has 198 states and 243 transitions. [2018-09-30 20:20:11,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 243 transitions. [2018-09-30 20:20:11,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-30 20:20:11,824 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:11,824 INFO L375 BasicCegarLoop]: trace histogram [12, 11, 11, 10, 8, 7, 6, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:11,825 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:11,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:11,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1153559737, now seen corresponding path program 1 times [2018-09-30 20:20:11,825 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:11,826 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:11,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:11,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:11,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:11,965 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-09-30 20:20:11,966 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:11,966 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:20:11,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:11,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:11,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:11,968 INFO L87 Difference]: Start difference. First operand 198 states and 243 transitions. Second operand 3 states. [2018-09-30 20:20:12,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:12,524 INFO L93 Difference]: Finished difference Result 429 states and 548 transitions. [2018-09-30 20:20:12,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:12,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2018-09-30 20:20:12,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:12,528 INFO L225 Difference]: With dead ends: 429 [2018-09-30 20:20:12,528 INFO L226 Difference]: Without dead ends: 234 [2018-09-30 20:20:12,529 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:12,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-09-30 20:20:12,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2018-09-30 20:20:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-09-30 20:20:12,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 279 transitions. [2018-09-30 20:20:12,547 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 279 transitions. Word has length 95 [2018-09-30 20:20:12,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:12,548 INFO L480 AbstractCegarLoop]: Abstraction has 234 states and 279 transitions. [2018-09-30 20:20:12,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:12,548 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 279 transitions. [2018-09-30 20:20:12,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-30 20:20:12,549 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:12,549 INFO L375 BasicCegarLoop]: trace histogram [13, 12, 12, 11, 9, 8, 7, 5, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:12,550 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:12,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:12,550 INFO L82 PathProgramCache]: Analyzing trace with hash -580341928, now seen corresponding path program 1 times [2018-09-30 20:20:12,550 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:12,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:12,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:12,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:12,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:12,713 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 200 proven. 5 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-09-30 20:20:12,713 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 20:20:12,713 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 20:20:12,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:12,850 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 20:20:12,911 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 200 proven. 5 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-09-30 20:20:12,951 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 20:20:12,951 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-09-30 20:20:12,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 20:20:12,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 20:20:12,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 20:20:12,952 INFO L87 Difference]: Start difference. First operand 234 states and 279 transitions. Second operand 4 states. [2018-09-30 20:20:13,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:13,729 INFO L93 Difference]: Finished difference Result 530 states and 632 transitions. [2018-09-30 20:20:13,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 20:20:13,730 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2018-09-30 20:20:13,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:13,730 INFO L225 Difference]: With dead ends: 530 [2018-09-30 20:20:13,731 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 20:20:13,732 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-30 20:20:13,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 20:20:13,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 20:20:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 20:20:13,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 20:20:13,733 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 107 [2018-09-30 20:20:13,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:13,734 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 20:20:13,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 20:20:13,734 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 20:20:13,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 20:20:13,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 20:20:14,473 WARN L178 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 16 [2018-09-30 20:20:14,798 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-09-30 20:20:15,087 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 16 [2018-09-30 20:20:15,487 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2018-09-30 20:20:16,273 WARN L178 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-09-30 20:20:16,276 INFO L422 ceAbstractionStarter]: At program point L440(lines 440 455) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 20:20:16,276 INFO L422 ceAbstractionStarter]: At program point L366(lines 366 391) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 20:20:16,277 INFO L422 ceAbstractionStarter]: At program point L300(lines 300 326) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~3 4416)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 20:20:16,277 INFO L422 ceAbstractionStarter]: At program point L362(lines 362 373) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4) (= ULTIMATE.start_ssl3_connect_~s__state~3 4432)) [2018-09-30 20:20:16,277 INFO L422 ceAbstractionStarter]: At program point L329(lines 329 351) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~3 4416)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 20:20:16,277 INFO L422 ceAbstractionStarter]: At program point L296(lines 296 307) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_connect_~s__state~3 4384) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2)) [2018-09-30 20:20:16,277 INFO L422 ceAbstractionStarter]: At program point L420(lines 420 437) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 20:20:16,278 INFO L422 ceAbstractionStarter]: At program point L354(lines 354 363) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 20:20:16,278 INFO L422 ceAbstractionStarter]: At program point L288(lines 288 297) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~3 4416)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 20:20:16,278 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 2 464) no Hoare annotation was computed. [2018-09-30 20:20:16,278 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 400) no Hoare annotation was computed. [2018-09-30 20:20:16,278 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 2 464) no Hoare annotation was computed. [2018-09-30 20:20:16,278 INFO L422 ceAbstractionStarter]: At program point L239(lines 239 258) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (= ULTIMATE.start_ssl3_connect_~s__state~3 4368) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~3 4416)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 20:20:16,278 INFO L422 ceAbstractionStarter]: At program point L268(lines 234 268) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (= ULTIMATE.start_ssl3_connect_~s__state~3 4368) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~3 4416)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 20:20:16,279 INFO L422 ceAbstractionStarter]: At program point L264(lines 264 285) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (= ULTIMATE.start_ssl3_connect_~s__state~3 4368) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~3 4416)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 20:20:16,279 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 2 464) no Hoare annotation was computed. [2018-09-30 20:20:16,279 INFO L422 ceAbstractionStarter]: At program point L372(lines 372 399) the Hoare annotation is: false [2018-09-30 20:20:16,279 INFO L422 ceAbstractionStarter]: At program point L401(lines 398 415) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 20:20:16,279 INFO L422 ceAbstractionStarter]: At program point L463(lines 257 463) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (= ULTIMATE.start_ssl3_connect_~s__state~3 4368) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~3 4416)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 20:20:16,279 INFO L422 ceAbstractionStarter]: At program point L311(lines 306 330) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_connect_~s__state~3 4384) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2)) [2018-09-30 20:20:16,293 INFO L202 PluginConnector]: Adding new model s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 08:20:16 BoogieIcfgContainer [2018-09-30 20:20:16,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 20:20:16,294 INFO L168 Benchmark]: Toolchain (without parser) took 9702.63 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 45.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -19.9 MB). Peak memory consumption was 490.3 MB. Max. memory is 7.1 GB. [2018-09-30 20:20:16,296 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 20:20:16,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 20:20:16,297 INFO L168 Benchmark]: Boogie Preprocessor took 52.86 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 20:20:16,297 INFO L168 Benchmark]: RCFGBuilder took 734.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-30 20:20:16,298 INFO L168 Benchmark]: TraceAbstraction took 8849.59 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 45.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -51.6 MB). Peak memory consumption was 458.6 MB. Max. memory is 7.1 GB. [2018-09-30 20:20:16,302 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 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.86 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 734.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8849.59 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 45.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -51.6 MB). Peak memory consumption was 458.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 400]: 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: 239]: Loop Invariant Derived loop invariant: (((((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || ssl3_connect_~s__state~3 == 4368) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || (ssl3_connect_~blastFlag~3 <= 4 && ssl3_connect_~s__state~3 == 4416)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: (((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: (((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: ssl3_connect_~s__state~3 == 4384 && ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (((((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || ssl3_connect_~s__state~3 == 4368) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || (ssl3_connect_~blastFlag~3 <= 4 && ssl3_connect_~s__state~3 == 4416)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: ssl3_connect_~s__state~3 == 4384 && ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~3 <= 4 && ssl3_connect_~s__state~3 == 4432 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: ((((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || (ssl3_connect_~blastFlag~3 <= 4 && ssl3_connect_~s__state~3 == 4416)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: ((((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || (ssl3_connect_~blastFlag~3 <= 4 && ssl3_connect_~s__state~3 == 4416)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: (((((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || ssl3_connect_~s__state~3 == 4368) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || (ssl3_connect_~blastFlag~3 <= 4 && ssl3_connect_~s__state~3 == 4416)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: ((((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || (ssl3_connect_~blastFlag~3 <= 4 && ssl3_connect_~s__state~3 == 4416)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: (((((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || ssl3_connect_~s__state~3 == 4368) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || (ssl3_connect_~blastFlag~3 <= 4 && ssl3_connect_~s__state~3 == 4416)) || ssl3_connect_~blastFlag~3 <= 2 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. SAFE Result, 8.7s OverallTime, 13 OverallIterations, 13 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 385 SDtfs, 66 SDslu, 111 SDs, 0 SdLazy, 384 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 16 PreInvPairs, 314 NumberOfFragments, 335 HoareAnnotationTreeSize, 16 FomulaSimplifications, 3068 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 16 FomulaSimplificationsInter, 177 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 763 NumberOfCodeBlocks, 763 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 749 ConstructedInterpolants, 0 QuantifiedInterpolants, 71345 SizeOfPredicates, 2 NumberOfNonLiveVariables, 518 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 2279/2289 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/s3_clnt_3.BV.c.cil.c_19.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_20-20-16-319.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_clnt_3.BV.c.cil.c_19.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_20-20-16-319.csv Received shutdown request...