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_2.cil.c_21.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c372c2b [2018-10-02 11:48:59,430 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 11:48:59,432 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 11:48:59,451 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-10-02 11:48:59,493 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 [2018-10-02 11:48:59,523 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 11:48:59,524 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 11:48:59,524 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 11:48:59,525 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 11:48:59,525 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 11:48:59,526 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 11:48:59,526 INFO L133 SettingsManager]: * Use SBE=true [2018-10-02 11:48:59,527 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 11:48:59,527 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 11:48:59,527 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 11:48:59,527 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 11:48:59,528 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 11:48:59,528 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 11:48:59,528 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 11:48:59,528 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 11:48:59,529 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 11:48:59,529 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 11:48:59,529 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 11:48:59,530 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 11:48:59,530 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-02 11:48:59,530 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 11:48:59,530 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-02 11:48:59,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-02 11:48:59,531 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 11:48:59,531 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 11:48:59,531 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 11:48:59,532 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-02 11:48:59,532 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 11:48:59,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 11:48:59,532 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 11:48:59,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 11:48:59,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 11:48:59,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 11:48:59,628 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 11:48:59,629 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 11:48:59,629 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_2.cil.c_21.bpl [2018-10-02 11:48:59,630 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_2.cil.c_21.bpl' [2018-10-02 11:48:59,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 11:48:59,755 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 11:48:59,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 11:48:59,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 11:48:59,756 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 11:48:59,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:48:59" (1/1) ... [2018-10-02 11:48:59,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:48:59" (1/1) ... [2018-10-02 11:48:59,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 11:48:59,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 11:48:59,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 11:48:59,814 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 11:48:59,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:48:59" (1/1) ... [2018-10-02 11:48:59,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:48:59" (1/1) ... [2018-10-02 11:48:59,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:48:59" (1/1) ... [2018-10-02 11:48:59,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:48:59" (1/1) ... [2018-10-02 11:48:59,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:48:59" (1/1) ... [2018-10-02 11:48:59,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:48:59" (1/1) ... [2018-10-02 11:48:59,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:48:59" (1/1) ... [2018-10-02 11:48:59,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 11:48:59,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 11:48:59,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 11:48:59,861 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 11:48:59,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:48:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-02 11:48:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-02 11:48:59,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-02 11:49:00,611 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-02 11:49:00,612 INFO L202 PluginConnector]: Adding new model s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:49:00 BoogieIcfgContainer [2018-10-02 11:49:00,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 11:49:00,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-02 11:49:00,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-02 11:49:00,617 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-02 11:49:00,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:48:59" (1/2) ... [2018-10-02 11:49:00,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9973b1 and model type s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:49:00, skipping insertion in model container [2018-10-02 11:49:00,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:49:00" (2/2) ... [2018-10-02 11:49:00,620 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil.c_21.bpl [2018-10-02 11:49:00,630 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-02 11:49:00,642 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-02 11:49:00,701 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-02 11:49:00,702 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-02 11:49:00,702 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-02 11:49:00,702 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-02 11:49:00,702 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-02 11:49:00,703 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-02 11:49:00,703 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-02 11:49:00,703 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-02 11:49:00,703 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-02 11:49:00,726 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-10-02 11:49:00,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 11:49:00,738 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:00,739 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:00,740 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:00,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:00,748 INFO L82 PathProgramCache]: Analyzing trace with hash 2097985007, now seen corresponding path program 1 times [2018-10-02 11:49:00,750 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:00,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:00,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:00,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:00,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:00,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 11:49:00,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 11:49:00,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-02 11:49:00,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 11:49:00,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 11:49:00,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-02 11:49:00,993 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 3 states. [2018-10-02 11:49:01,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:01,220 INFO L93 Difference]: Finished difference Result 49 states and 80 transitions. [2018-10-02 11:49:01,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 11:49:01,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-10-02 11:49:01,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:01,235 INFO L225 Difference]: With dead ends: 49 [2018-10-02 11:49:01,235 INFO L226 Difference]: Without dead ends: 26 [2018-10-02 11:49:01,240 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 [2018-10-02 11:49:01,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-10-02 11:49:01,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-10-02 11:49:01,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-10-02 11:49:01,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 40 transitions. [2018-10-02 11:49:01,284 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 40 transitions. Word has length 10 [2018-10-02 11:49:01,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:01,285 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 40 transitions. [2018-10-02 11:49:01,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 11:49:01,285 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-10-02 11:49:01,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 11:49:01,286 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:01,286 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:01,287 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:01,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:01,287 INFO L82 PathProgramCache]: Analyzing trace with hash -509365433, now seen corresponding path program 1 times [2018-10-02 11:49:01,287 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:01,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:01,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:01,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:01,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:01,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 11:49:01,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 11:49:01,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 11:49:01,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 11:49:01,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 11:49:01,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-02 11:49:01,403 INFO L87 Difference]: Start difference. First operand 26 states and 40 transitions. Second operand 3 states. [2018-10-02 11:49:01,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:01,774 INFO L93 Difference]: Finished difference Result 53 states and 83 transitions. [2018-10-02 11:49:01,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 11:49:01,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-10-02 11:49:01,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:01,775 INFO L225 Difference]: With dead ends: 53 [2018-10-02 11:49:01,775 INFO L226 Difference]: Without dead ends: 30 [2018-10-02 11:49:01,777 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 [2018-10-02 11:49:01,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-10-02 11:49:01,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-10-02 11:49:01,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-10-02 11:49:01,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2018-10-02 11:49:01,784 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 13 [2018-10-02 11:49:01,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:01,788 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2018-10-02 11:49:01,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 11:49:01,789 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2018-10-02 11:49:01,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-02 11:49:01,790 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:01,790 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:01,790 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:01,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:01,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1912029775, now seen corresponding path program 1 times [2018-10-02 11:49:01,791 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:01,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:01,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:01,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:01,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:01,926 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-02 11:49:01,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 11:49:01,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 11:49:01,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 11:49:01,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 11:49:01,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-02 11:49:01,928 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 3 states. [2018-10-02 11:49:02,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:02,267 INFO L93 Difference]: Finished difference Result 62 states and 93 transitions. [2018-10-02 11:49:02,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 11:49:02,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-10-02 11:49:02,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:02,269 INFO L225 Difference]: With dead ends: 62 [2018-10-02 11:49:02,271 INFO L226 Difference]: Without dead ends: 35 [2018-10-02 11:49:02,272 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 [2018-10-02 11:49:02,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-10-02 11:49:02,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-10-02 11:49:02,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-10-02 11:49:02,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2018-10-02 11:49:02,283 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2018-10-02 11:49:02,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:02,285 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2018-10-02 11:49:02,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 11:49:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2018-10-02 11:49:02,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-02 11:49:02,287 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:02,287 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:02,287 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:02,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:02,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1719277757, now seen corresponding path program 1 times [2018-10-02 11:49:02,289 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:02,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:02,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:02,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:02,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:02,415 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-02 11:49:02,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 11:49:02,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 11:49:02,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 11:49:02,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 11:49:02,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-02 11:49:02,418 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2018-10-02 11:49:02,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:02,561 INFO L93 Difference]: Finished difference Result 73 states and 105 transitions. [2018-10-02 11:49:02,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 11:49:02,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-10-02 11:49:02,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:02,563 INFO L225 Difference]: With dead ends: 73 [2018-10-02 11:49:02,564 INFO L226 Difference]: Without dead ends: 41 [2018-10-02 11:49:02,565 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 [2018-10-02 11:49:02,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-10-02 11:49:02,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-10-02 11:49:02,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-02 11:49:02,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2018-10-02 11:49:02,573 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 26 [2018-10-02 11:49:02,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:02,573 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2018-10-02 11:49:02,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 11:49:02,573 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2018-10-02 11:49:02,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-02 11:49:02,575 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:02,575 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:02,575 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:02,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:02,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1612801811, now seen corresponding path program 1 times [2018-10-02 11:49:02,576 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:02,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:02,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:02,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:02,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:02,674 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-02 11:49:02,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 11:49:02,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 11:49:02,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 11:49:02,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 11:49:02,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-02 11:49:02,676 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand 3 states. [2018-10-02 11:49:02,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:02,827 INFO L93 Difference]: Finished difference Result 86 states and 119 transitions. [2018-10-02 11:49:02,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 11:49:02,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-10-02 11:49:02,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:02,831 INFO L225 Difference]: With dead ends: 86 [2018-10-02 11:49:02,832 INFO L226 Difference]: Without dead ends: 48 [2018-10-02 11:49:02,833 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 [2018-10-02 11:49:02,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-10-02 11:49:02,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-10-02 11:49:02,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-10-02 11:49:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 62 transitions. [2018-10-02 11:49:02,845 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 62 transitions. Word has length 34 [2018-10-02 11:49:02,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:02,846 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 62 transitions. [2018-10-02 11:49:02,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 11:49:02,846 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2018-10-02 11:49:02,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-02 11:49:02,850 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:02,851 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:02,851 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:02,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:02,852 INFO L82 PathProgramCache]: Analyzing trace with hash -168763707, now seen corresponding path program 1 times [2018-10-02 11:49:02,852 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:02,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:02,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:02,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:02,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:02,991 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-02 11:49:02,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 11:49:02,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 11:49:02,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 11:49:02,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 11:49:02,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-02 11:49:02,993 INFO L87 Difference]: Start difference. First operand 48 states and 62 transitions. Second operand 3 states. [2018-10-02 11:49:03,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:03,098 INFO L93 Difference]: Finished difference Result 136 states and 179 transitions. [2018-10-02 11:49:03,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 11:49:03,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-10-02 11:49:03,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:03,101 INFO L225 Difference]: With dead ends: 136 [2018-10-02 11:49:03,102 INFO L226 Difference]: Without dead ends: 91 [2018-10-02 11:49:03,102 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 [2018-10-02 11:49:03,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-10-02 11:49:03,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-10-02 11:49:03,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-10-02 11:49:03,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 117 transitions. [2018-10-02 11:49:03,116 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 117 transitions. Word has length 43 [2018-10-02 11:49:03,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:03,117 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 117 transitions. [2018-10-02 11:49:03,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 11:49:03,117 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2018-10-02 11:49:03,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-02 11:49:03,118 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:03,119 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:03,119 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:03,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:03,119 INFO L82 PathProgramCache]: Analyzing trace with hash 253938119, now seen corresponding path program 1 times [2018-10-02 11:49:03,120 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:03,120 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:03,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:03,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:03,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-02 11:49:03,198 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 11:49:03,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 11:49:03,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 11:49:03,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 11:49:03,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-02 11:49:03,200 INFO L87 Difference]: Start difference. First operand 91 states and 117 transitions. Second operand 3 states. [2018-10-02 11:49:03,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:03,269 INFO L93 Difference]: Finished difference Result 188 states and 241 transitions. [2018-10-02 11:49:03,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 11:49:03,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-10-02 11:49:03,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:03,271 INFO L225 Difference]: With dead ends: 188 [2018-10-02 11:49:03,272 INFO L226 Difference]: Without dead ends: 100 [2018-10-02 11:49:03,273 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 [2018-10-02 11:49:03,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-10-02 11:49:03,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-10-02 11:49:03,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-02 11:49:03,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 126 transitions. [2018-10-02 11:49:03,287 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 126 transitions. Word has length 43 [2018-10-02 11:49:03,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:03,288 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 126 transitions. [2018-10-02 11:49:03,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 11:49:03,288 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 126 transitions. [2018-10-02 11:49:03,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-02 11:49:03,290 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:03,290 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:03,290 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:03,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:03,291 INFO L82 PathProgramCache]: Analyzing trace with hash -4227319, now seen corresponding path program 1 times [2018-10-02 11:49:03,291 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:03,291 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:03,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:03,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:03,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:03,367 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-02 11:49:03,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 11:49:03,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 11:49:03,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 11:49:03,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 11:49:03,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-02 11:49:03,369 INFO L87 Difference]: Start difference. First operand 100 states and 126 transitions. Second operand 3 states. [2018-10-02 11:49:03,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:03,615 INFO L93 Difference]: Finished difference Result 139 states and 179 transitions. [2018-10-02 11:49:03,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 11:49:03,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-10-02 11:49:03,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:03,618 INFO L225 Difference]: With dead ends: 139 [2018-10-02 11:49:03,618 INFO L226 Difference]: Without dead ends: 137 [2018-10-02 11:49:03,618 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 [2018-10-02 11:49:03,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-10-02 11:49:03,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2018-10-02 11:49:03,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-10-02 11:49:03,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 171 transitions. [2018-10-02 11:49:03,653 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 171 transitions. Word has length 43 [2018-10-02 11:49:03,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:03,654 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 171 transitions. [2018-10-02 11:49:03,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 11:49:03,659 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 171 transitions. [2018-10-02 11:49:03,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-02 11:49:03,661 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:03,662 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 9, 7, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:03,662 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:03,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:03,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1562207431, now seen corresponding path program 1 times [2018-10-02 11:49:03,664 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:03,665 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:03,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:03,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:03,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:03,781 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-02 11:49:03,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 11:49:03,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 11:49:03,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 11:49:03,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 11:49:03,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-02 11:49:03,784 INFO L87 Difference]: Start difference. First operand 132 states and 171 transitions. Second operand 3 states. [2018-10-02 11:49:04,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:04,007 INFO L93 Difference]: Finished difference Result 297 states and 405 transitions. [2018-10-02 11:49:04,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 11:49:04,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-10-02 11:49:04,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:04,010 INFO L225 Difference]: With dead ends: 297 [2018-10-02 11:49:04,010 INFO L226 Difference]: Without dead ends: 168 [2018-10-02 11:49:04,011 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 [2018-10-02 11:49:04,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-10-02 11:49:04,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2018-10-02 11:49:04,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-10-02 11:49:04,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 222 transitions. [2018-10-02 11:49:04,031 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 222 transitions. Word has length 73 [2018-10-02 11:49:04,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:04,032 INFO L480 AbstractCegarLoop]: Abstraction has 168 states and 222 transitions. [2018-10-02 11:49:04,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 11:49:04,032 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 222 transitions. [2018-10-02 11:49:04,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-02 11:49:04,034 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:04,034 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 9, 7, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:04,035 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:04,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:04,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1926453931, now seen corresponding path program 2 times [2018-10-02 11:49:04,035 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:04,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:04,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:04,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:04,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:04,109 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-02 11:49:04,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 11:49:04,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 11:49:04,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 11:49:04,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 11:49:04,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-02 11:49:04,111 INFO L87 Difference]: Start difference. First operand 168 states and 222 transitions. Second operand 3 states. [2018-10-02 11:49:04,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:04,330 INFO L93 Difference]: Finished difference Result 405 states and 558 transitions. [2018-10-02 11:49:04,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 11:49:04,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2018-10-02 11:49:04,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:04,332 INFO L225 Difference]: With dead ends: 405 [2018-10-02 11:49:04,332 INFO L226 Difference]: Without dead ends: 228 [2018-10-02 11:49:04,333 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 [2018-10-02 11:49:04,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-10-02 11:49:04,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2018-10-02 11:49:04,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-10-02 11:49:04,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2018-10-02 11:49:04,360 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 76 [2018-10-02 11:49:04,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:04,361 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2018-10-02 11:49:04,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 11:49:04,361 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2018-10-02 11:49:04,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-02 11:49:04,363 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:04,363 INFO L375 BasicCegarLoop]: trace histogram [12, 11, 10, 8, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:04,364 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:04,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:04,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1254900833, now seen corresponding path program 1 times [2018-10-02 11:49:04,364 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:04,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:04,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:04,370 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-02 11:49:04,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:04,481 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-02 11:49:04,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 11:49:04,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 11:49:04,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 11:49:04,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 11:49:04,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-02 11:49:04,483 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 3 states. [2018-10-02 11:49:05,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:05,098 INFO L93 Difference]: Finished difference Result 489 states and 642 transitions. [2018-10-02 11:49:05,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 11:49:05,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2018-10-02 11:49:05,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:05,102 INFO L225 Difference]: With dead ends: 489 [2018-10-02 11:49:05,102 INFO L226 Difference]: Without dead ends: 255 [2018-10-02 11:49:05,103 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 [2018-10-02 11:49:05,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-10-02 11:49:05,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2018-10-02 11:49:05,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-10-02 11:49:05,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 327 transitions. [2018-10-02 11:49:05,127 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 327 transitions. Word has length 85 [2018-10-02 11:49:05,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:05,128 INFO L480 AbstractCegarLoop]: Abstraction has 255 states and 327 transitions. [2018-10-02 11:49:05,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 11:49:05,128 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 327 transitions. [2018-10-02 11:49:05,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-02 11:49:05,130 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:05,130 INFO L375 BasicCegarLoop]: trace histogram [13, 12, 11, 9, 7, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:05,130 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:05,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:05,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1359801879, now seen corresponding path program 1 times [2018-10-02 11:49:05,131 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:05,131 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:05,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:05,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:05,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:05,221 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-10-02 11:49:05,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 11:49:05,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 11:49:05,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 11:49:05,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 11:49:05,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-02 11:49:05,223 INFO L87 Difference]: Start difference. First operand 255 states and 327 transitions. Second operand 3 states. [2018-10-02 11:49:05,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:05,713 INFO L93 Difference]: Finished difference Result 543 states and 702 transitions. [2018-10-02 11:49:05,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 11:49:05,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2018-10-02 11:49:05,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:05,716 INFO L225 Difference]: With dead ends: 543 [2018-10-02 11:49:05,716 INFO L226 Difference]: Without dead ends: 285 [2018-10-02 11:49:05,718 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 [2018-10-02 11:49:05,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-10-02 11:49:05,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2018-10-02 11:49:05,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-10-02 11:49:05,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 363 transitions. [2018-10-02 11:49:05,746 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 363 transitions. Word has length 94 [2018-10-02 11:49:05,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:05,746 INFO L480 AbstractCegarLoop]: Abstraction has 285 states and 363 transitions. [2018-10-02 11:49:05,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 11:49:05,747 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 363 transitions. [2018-10-02 11:49:05,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-02 11:49:05,748 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:05,749 INFO L375 BasicCegarLoop]: trace histogram [14, 13, 12, 10, 8, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:05,749 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:05,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:05,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1195726822, now seen corresponding path program 1 times [2018-10-02 11:49:05,751 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:05,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:05,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:05,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:05,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:05,877 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-10-02 11:49:05,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 11:49:05,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 11:49:05,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 11:49:05,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 11:49:05,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-02 11:49:05,879 INFO L87 Difference]: Start difference. First operand 285 states and 363 transitions. Second operand 3 states. [2018-10-02 11:49:06,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:06,140 INFO L93 Difference]: Finished difference Result 603 states and 774 transitions. [2018-10-02 11:49:06,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 11:49:06,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-10-02 11:49:06,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:06,147 INFO L225 Difference]: With dead ends: 603 [2018-10-02 11:49:06,147 INFO L226 Difference]: Without dead ends: 318 [2018-10-02 11:49:06,148 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 [2018-10-02 11:49:06,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-10-02 11:49:06,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-10-02 11:49:06,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-10-02 11:49:06,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 405 transitions. [2018-10-02 11:49:06,174 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 405 transitions. Word has length 104 [2018-10-02 11:49:06,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:06,175 INFO L480 AbstractCegarLoop]: Abstraction has 318 states and 405 transitions. [2018-10-02 11:49:06,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 11:49:06,175 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 405 transitions. [2018-10-02 11:49:06,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-02 11:49:06,177 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:06,177 INFO L375 BasicCegarLoop]: trace histogram [15, 14, 13, 11, 9, 7, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:06,177 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:06,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:06,178 INFO L82 PathProgramCache]: Analyzing trace with hash -32649186, now seen corresponding path program 1 times [2018-10-02 11:49:06,178 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:06,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:06,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:06,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:06,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:06,293 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-02 11:49:06,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 11:49:06,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 11:49:06,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 11:49:06,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 11:49:06,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-02 11:49:06,295 INFO L87 Difference]: Start difference. First operand 318 states and 405 transitions. Second operand 3 states. [2018-10-02 11:49:06,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:06,572 INFO L93 Difference]: Finished difference Result 633 states and 807 transitions. [2018-10-02 11:49:06,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 11:49:06,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-10-02 11:49:06,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:06,574 INFO L225 Difference]: With dead ends: 633 [2018-10-02 11:49:06,575 INFO L226 Difference]: Without dead ends: 318 [2018-10-02 11:49:06,576 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 [2018-10-02 11:49:06,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-10-02 11:49:06,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-10-02 11:49:06,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-10-02 11:49:06,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 402 transitions. [2018-10-02 11:49:06,603 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 402 transitions. Word has length 115 [2018-10-02 11:49:06,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:06,604 INFO L480 AbstractCegarLoop]: Abstraction has 318 states and 402 transitions. [2018-10-02 11:49:06,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 11:49:06,604 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 402 transitions. [2018-10-02 11:49:06,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-02 11:49:06,606 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:06,606 INFO L375 BasicCegarLoop]: trace histogram [15, 14, 14, 12, 10, 8, 6, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:06,606 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:06,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:06,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1066373693, now seen corresponding path program 1 times [2018-10-02 11:49:06,607 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:06,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:06,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:06,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:06,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:06,728 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-10-02 11:49:06,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 11:49:06,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 11:49:06,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 11:49:06,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 11:49:06,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-02 11:49:06,730 INFO L87 Difference]: Start difference. First operand 318 states and 402 transitions. Second operand 3 states. [2018-10-02 11:49:07,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:07,299 INFO L93 Difference]: Finished difference Result 633 states and 801 transitions. [2018-10-02 11:49:07,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 11:49:07,300 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2018-10-02 11:49:07,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:07,302 INFO L225 Difference]: With dead ends: 633 [2018-10-02 11:49:07,303 INFO L226 Difference]: Without dead ends: 318 [2018-10-02 11:49:07,304 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 [2018-10-02 11:49:07,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-10-02 11:49:07,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-10-02 11:49:07,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-10-02 11:49:07,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 387 transitions. [2018-10-02 11:49:07,372 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 387 transitions. Word has length 124 [2018-10-02 11:49:07,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:07,374 INFO L480 AbstractCegarLoop]: Abstraction has 318 states and 387 transitions. [2018-10-02 11:49:07,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 11:49:07,374 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 387 transitions. [2018-10-02 11:49:07,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-02 11:49:07,376 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:07,376 INFO L375 BasicCegarLoop]: trace histogram [16, 15, 15, 13, 11, 9, 7, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:07,377 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:07,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:07,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1427413192, now seen corresponding path program 1 times [2018-10-02 11:49:07,377 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:07,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:07,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:07,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:07,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:07,566 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 385 proven. 4 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-10-02 11:49:07,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-02 11:49:07,566 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-02 11:49:07,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:07,714 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 11:49:07,756 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 385 proven. 4 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-10-02 11:49:07,795 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-02 11:49:07,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-10-02 11:49:07,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-02 11:49:07,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-02 11:49:07,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-02 11:49:07,796 INFO L87 Difference]: Start difference. First operand 318 states and 387 transitions. Second operand 4 states. [2018-10-02 11:49:08,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:08,766 INFO L93 Difference]: Finished difference Result 757 states and 914 transitions. [2018-10-02 11:49:08,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-02 11:49:08,767 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-10-02 11:49:08,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:08,769 INFO L225 Difference]: With dead ends: 757 [2018-10-02 11:49:08,769 INFO L226 Difference]: Without dead ends: 415 [2018-10-02 11:49:08,770 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-02 11:49:08,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2018-10-02 11:49:08,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 255. [2018-10-02 11:49:08,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-10-02 11:49:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 291 transitions. [2018-10-02 11:49:08,808 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 291 transitions. Word has length 136 [2018-10-02 11:49:08,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:08,810 INFO L480 AbstractCegarLoop]: Abstraction has 255 states and 291 transitions. [2018-10-02 11:49:08,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-02 11:49:08,811 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 291 transitions. [2018-10-02 11:49:08,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-02 11:49:08,812 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:49:08,812 INFO L375 BasicCegarLoop]: trace histogram [17, 16, 15, 13, 11, 9, 7, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 11:49:08,813 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 11:49:08,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:49:08,813 INFO L82 PathProgramCache]: Analyzing trace with hash 2065701642, now seen corresponding path program 2 times [2018-10-02 11:49:08,813 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:49:08,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:49:08,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:08,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:49:08,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:49:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:49:08,984 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 417 proven. 3 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2018-10-02 11:49:08,984 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-02 11:49:08,985 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-02 11:49:08,998 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-02 11:49:09,126 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-02 11:49:09,126 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-02 11:49:09,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 11:49:09,166 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 417 proven. 3 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2018-10-02 11:49:09,197 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-02 11:49:09,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-10-02 11:49:09,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-02 11:49:09,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-02 11:49:09,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-02 11:49:09,199 INFO L87 Difference]: Start difference. First operand 255 states and 291 transitions. Second operand 4 states. [2018-10-02 11:49:09,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:49:09,625 INFO L93 Difference]: Finished difference Result 429 states and 487 transitions. [2018-10-02 11:49:09,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-02 11:49:09,628 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-10-02 11:49:09,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:49:09,628 INFO L225 Difference]: With dead ends: 429 [2018-10-02 11:49:09,628 INFO L226 Difference]: Without dead ends: 0 [2018-10-02 11:49:09,629 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-02 11:49:09,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-02 11:49:09,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-02 11:49:09,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-02 11:49:09,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-02 11:49:09,630 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2018-10-02 11:49:09,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:49:09,631 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-02 11:49:09,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-02 11:49:09,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-02 11:49:09,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-02 11:49:09,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-02 11:49:09,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:09,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-02 11:49:10,237 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 7 [2018-10-02 11:49:12,188 WARN L178 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2018-10-02 11:49:12,500 WARN L178 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2018-10-02 11:49:13,135 WARN L178 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2018-10-02 11:49:13,447 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2018-10-02 11:49:13,645 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 22 [2018-10-02 11:49:13,749 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2018-10-02 11:49:13,966 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2018-10-02 11:49:14,111 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 24 [2018-10-02 11:49:14,314 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2018-10-02 11:49:14,472 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2018-10-02 11:49:14,493 INFO L421 ceAbstractionStarter]: At program point L415(lines 415 432) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4432) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) [2018-10-02 11:49:14,493 INFO L421 ceAbstractionStarter]: At program point L382(lines 373 395) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4400))) (or (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) .cse0) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)))) [2018-10-02 11:49:14,493 INFO L421 ceAbstractionStarter]: At program point L407(lines 404 420) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4416)) [2018-10-02 11:49:14,493 INFO L421 ceAbstractionStarter]: At program point L300(lines 261 300) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560)) (.cse3 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4)) (.cse2 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2)) (.cse4 (= ULTIMATE.start_ssl3_connect_~s__state~4 4416))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 12292)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4368)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4560) .cse3 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and .cse0 .cse4))) [2018-10-02 11:49:14,494 INFO L421 ceAbstractionStarter]: At program point L296(lines 296 310) the Hoare annotation is: (let ((.cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__state~4 4416))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4368)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse2 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse1) (and .cse0 .cse2))) [2018-10-02 11:49:14,494 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 526) no Hoare annotation was computed. [2018-10-02 11:49:14,494 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 526) no Hoare annotation was computed. [2018-10-02 11:49:14,494 INFO L421 ceAbstractionStarter]: At program point L313(lines 313 333) the Hoare annotation is: (let ((.cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__state~4 4416))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse2 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse1) (and .cse0 .cse2))) [2018-10-02 11:49:14,495 INFO L421 ceAbstractionStarter]: At program point L309(lines 309 320) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4368)) [2018-10-02 11:49:14,495 INFO L421 ceAbstractionStarter]: At program point L499(lines 499 516) the Hoare annotation is: (let ((.cse1 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (.cse2 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4))) (or (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528))) (or (and .cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) .cse1) (and .cse0 .cse1 .cse2))) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse2 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4512)) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse2))) [2018-10-02 11:49:14,495 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 459) no Hoare annotation was computed. [2018-10-02 11:49:14,495 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 526) no Hoare annotation was computed. [2018-10-02 11:49:14,495 INFO L421 ceAbstractionStarter]: At program point L351(lines 348 362) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) [2018-10-02 11:49:14,496 INFO L421 ceAbstractionStarter]: At program point L479(lines 479 496) the Hoare annotation is: (let ((.cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (.cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) .cse0) (and .cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4480)) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse1))) [2018-10-02 11:49:14,496 INFO L421 ceAbstractionStarter]: At program point L525(lines 289 525) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560)) (.cse2 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2)) (.cse3 (= ULTIMATE.start_ssl3_connect_~s__state~4 4416))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4368)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4560) (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse2) (and .cse3 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and .cse0 .cse3))) [2018-10-02 11:49:14,496 INFO L421 ceAbstractionStarter]: At program point L336(lines 336 358) the Hoare annotation is: (let ((.cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__state~4 4416))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse2 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse1) (and .cse0 .cse2))) [2018-10-02 11:49:14,496 INFO L421 ceAbstractionStarter]: At program point L431(lines 431 458) the Hoare annotation is: false [2018-10-02 11:49:14,497 INFO L421 ceAbstractionStarter]: At program point L332(lines 332 349) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) [2018-10-02 11:49:14,497 INFO L421 ceAbstractionStarter]: At program point L460(lines 457 474) the Hoare annotation is: (let ((.cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4)) (.cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) .cse0) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse1) (and .cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4448)))) [2018-10-02 11:49:14,497 INFO L421 ceAbstractionStarter]: At program point L266(lines 266 290) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560)) (.cse3 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4)) (.cse2 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2)) (.cse4 (= ULTIMATE.start_ssl3_connect_~s__state~4 4416))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 12292)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4368)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4560) .cse3 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and .cse0 .cse4))) [2018-10-02 11:49:14,497 INFO L421 ceAbstractionStarter]: At program point L394(lines 394 416) the Hoare annotation is: (let ((.cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse0))) [2018-10-02 11:49:14,498 INFO L421 ceAbstractionStarter]: At program point L361(lines 361 391) the Hoare annotation is: (let ((.cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4)) (.cse1 (= ULTIMATE.start_ssl3_connect_~s__state~4 4416))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse0) (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) .cse1))) [2018-10-02 11:49:14,498 INFO L421 ceAbstractionStarter]: At program point L390(lines 390 405) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4416))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) .cse0))) [2018-10-02 11:49:14,498 INFO L421 ceAbstractionStarter]: At program point L357(lines 357 374) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) [2018-10-02 11:49:14,498 INFO L421 ceAbstractionStarter]: At program point L324(lines 319 337) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4368)) [2018-10-02 11:49:14,498 INFO L421 ceAbstractionStarter]: At program point L419(lines 419 450) the Hoare annotation is: (let ((.cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (.cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) .cse0) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4432) .cse0) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse1))) [2018-10-02 11:49:14,518 INFO L202 PluginConnector]: Adding new model s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 11:49:14 BoogieIcfgContainer [2018-10-02 11:49:14,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-02 11:49:14,519 INFO L168 Benchmark]: Toolchain (without parser) took 14766.92 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 45.1 MB). Free memory was 1.5 GB in the beginning and 915.7 MB in the end (delta: 548.9 MB). Peak memory consumption was 594.0 MB. Max. memory is 7.1 GB. [2018-10-02 11:49:14,520 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. [2018-10-02 11:49:14,520 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.81 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 11:49:14,521 INFO L168 Benchmark]: Boogie Preprocessor took 46.83 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 11:49:14,521 INFO L168 Benchmark]: RCFGBuilder took 751.56 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-02 11:49:14,522 INFO L168 Benchmark]: TraceAbstraction took 13904.48 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 45.1 MB). Free memory was 1.4 GB in the beginning and 915.7 MB in the end (delta: 517.2 MB). Peak memory consumption was 562.3 MB. Max. memory is 7.1 GB. [2018-10-02 11:49:14,526 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 57.81 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 46.83 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 751.56 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13904.48 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 45.1 MB). Free memory was 1.4 GB in the beginning and 915.7 MB in the end (delta: 517.2 MB). Peak memory consumption was 562.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 459]: 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: 319]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4368 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: (((((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4384)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4400)) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4416) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~s__state~4 <= 4432 && 4432 <= ssl3_connect_~s__state~4)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: ((((((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4368)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4384)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4400)) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && ssl3_connect_~s__state~4 <= 4560) && 4560 <= ssl3_connect_~s__state~4) && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4416) - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~4 <= 4 && ssl3_connect_~s__state~4 == 4416 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4384 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: ((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || (4432 <= ssl3_connect_~s__state~4 && ssl3_connect_~s__state~4 <= 4448) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: ((((((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4368)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4384)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4400)) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4416) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4368 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4384 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: (ssl3_connect_~s__state~4 <= 4432 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: ((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || (4432 <= ssl3_connect_~s__state~4 && ssl3_connect_~s__state~4 <= 4480)) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((((((((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 12292)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4368)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4384)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4400)) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && ssl3_connect_~s__state~4 <= 4560) && 4560 <= ssl3_connect_~s__state~4) && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || ((ssl3_connect_~blastFlag~4 <= 2 && 4560 <= ssl3_connect_~s__state~4) && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4416) - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: (((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4416) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4400) || (ssl3_connect_~s__state~4 == 4400 && ssl3_connect_~blastFlag~4 == 3) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: (((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || ((ssl3_connect_~s__state~4 <= 4528 && 4432 <= ssl3_connect_~s__state~4) && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (4432 <= ssl3_connect_~s__state~4 && ssl3_connect_~s__state~4 <= 4512)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((((((((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 12292)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4368)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4384)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4400)) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && ssl3_connect_~s__state~4 <= 4560) && 4560 <= ssl3_connect_~s__state~4) && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || ((ssl3_connect_~blastFlag~4 <= 2 && 4560 <= ssl3_connect_~s__state~4) && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4416) - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4416) - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: ((((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4400)) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4416) - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4400 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: false - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 1 error locations. SAFE Result, 13.8s OverallTime, 17 OverallIterations, 17 TraceHistogramMax, 5.8s AutomataDifference, 0.0s DeadEndRemovalTime, 4.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 545 SDtfs, 240 SDslu, 220 SDs, 0 SdLazy, 533 SolverSat, 139 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 329 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=318occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 165 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 253 NumberOfFragments, 713 HoareAnnotationTreeSize, 22 FomulaSimplifications, 6566 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 22 FomulaSimplificationsInter, 1150 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1452 NumberOfCodeBlocks, 1452 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1433 ConstructedInterpolants, 0 QuantifiedInterpolants, 173573 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1255 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 19 InterpolantComputations, 15 PerfectInterpolantSequences, 5594/5608 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_2.cil.c_21.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-02_11-49-14-545.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_clnt_2.cil.c_21.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-02_11-49-14-545.csv Received shutdown request...