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 0.1.23-00a8621 [2018-09-30 10:28:31,660 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 10:28:31,662 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 10:28:31,674 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-09-30 10:28:31,707 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-30 10:28:31,738 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 10:28:31,738 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 10:28:31,739 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 10:28:31,739 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 10:28:31,741 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 10:28:31,741 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 10:28:31,741 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 10:28:31,741 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 10:28:31,741 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 10:28:31,742 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 10:28:31,742 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 10:28:31,742 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 10:28:31,742 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 10:28:31,744 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 10:28:31,744 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 10:28:31,744 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 10:28:31,744 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 10:28:31,744 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 10:28:31,745 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 10:28:31,745 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 10:28:31,745 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 10:28:31,745 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 10:28:31,746 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 10:28:31,747 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 10:28:31,747 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 10:28:31,747 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 10:28:31,747 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 10:28:31,747 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 10:28:31,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 10:28:31,748 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 10:28:31,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 10:28:31,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 10:28:31,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 10:28:31,835 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 10:28:31,836 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 10:28:31,836 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_2.cil.c_21.bpl [2018-09-30 10:28:31,837 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_2.cil.c_21.bpl' [2018-09-30 10:28:31,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 10:28:31,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 10:28:31,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 10:28:31,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 10:28:31,929 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 10:28:31,949 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 30.09 10:28:31" (1/1) ... [2018-09-30 10:28:31,967 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 30.09 10:28:31" (1/1) ... [2018-09-30 10:28:31,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 10:28:31,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 10:28:31,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 10:28:31,975 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 10:28:31,987 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 30.09 10:28:31" (1/1) ... [2018-09-30 10:28:31,988 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 30.09 10:28:31" (1/1) ... [2018-09-30 10:28:31,992 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 30.09 10:28:31" (1/1) ... [2018-09-30 10:28:31,992 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 30.09 10:28:31" (1/1) ... [2018-09-30 10:28:32,002 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 30.09 10:28:31" (1/1) ... [2018-09-30 10:28:32,005 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 30.09 10:28:31" (1/1) ... [2018-09-30 10:28:32,008 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 30.09 10:28:31" (1/1) ... [2018-09-30 10:28:32,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 10:28:32,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 10:28:32,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 10:28:32,013 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 10:28:32,014 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 30.09 10:28:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 10:28:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 10:28:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 10:28:32,878 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 10:28:32,879 INFO L202 PluginConnector]: Adding new model s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 10:28:32 BoogieIcfgContainer [2018-09-30 10:28:32,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 10:28:32,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 10:28:32,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 10:28:32,884 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 10:28:32,884 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 30.09 10:28:31" (1/2) ... [2018-09-30 10:28:32,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d1ee88 and model type s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 10:28:32, skipping insertion in model container [2018-09-30 10:28:32,886 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 30.09 10:28:32" (2/2) ... [2018-09-30 10:28:32,888 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil.c_21.bpl [2018-09-30 10:28:32,898 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 10:28:32,914 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 10:28:32,981 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 10:28:32,982 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 10:28:32,982 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 10:28:32,982 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 10:28:32,982 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 10:28:32,983 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 10:28:32,983 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 10:28:32,983 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 10:28:32,983 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 10:28:33,008 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-09-30 10:28:33,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 10:28:33,028 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:33,033 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:33,035 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:33,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:33,047 INFO L82 PathProgramCache]: Analyzing trace with hash 2097985007, now seen corresponding path program 1 times [2018-09-30 10:28:33,049 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:33,050 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:33,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:33,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:33,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:33,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:28:33,276 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:33,276 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:28:33,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:33,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:33,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:33,296 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 3 states. [2018-09-30 10:28:33,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:33,621 INFO L93 Difference]: Finished difference Result 49 states and 80 transitions. [2018-09-30 10:28:33,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:33,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-09-30 10:28:33,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:33,636 INFO L225 Difference]: With dead ends: 49 [2018-09-30 10:28:33,636 INFO L226 Difference]: Without dead ends: 26 [2018-09-30 10:28:33,643 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:33,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-09-30 10:28:33,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-09-30 10:28:33,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-09-30 10:28:33,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 40 transitions. [2018-09-30 10:28:33,702 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 40 transitions. Word has length 10 [2018-09-30 10:28:33,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:33,703 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 40 transitions. [2018-09-30 10:28:33,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:33,703 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-09-30 10:28:33,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 10:28:33,704 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:33,704 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:33,705 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:33,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:33,705 INFO L82 PathProgramCache]: Analyzing trace with hash -509365433, now seen corresponding path program 1 times [2018-09-30 10:28:33,705 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:33,705 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:33,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:33,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:33,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:33,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:28:33,827 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:33,827 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:33,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:33,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:33,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:33,830 INFO L87 Difference]: Start difference. First operand 26 states and 40 transitions. Second operand 3 states. [2018-09-30 10:28:33,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:33,974 INFO L93 Difference]: Finished difference Result 53 states and 83 transitions. [2018-09-30 10:28:33,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:33,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-09-30 10:28:33,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:33,976 INFO L225 Difference]: With dead ends: 53 [2018-09-30 10:28:33,977 INFO L226 Difference]: Without dead ends: 30 [2018-09-30 10:28:33,979 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:33,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-09-30 10:28:33,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-09-30 10:28:33,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-09-30 10:28:33,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2018-09-30 10:28:33,987 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 13 [2018-09-30 10:28:33,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:33,987 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2018-09-30 10:28:33,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2018-09-30 10:28:33,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 10:28:33,989 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:33,989 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:33,990 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:33,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:33,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1912029775, now seen corresponding path program 1 times [2018-09-30 10:28:33,991 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:33,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:33,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:33,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:33,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:34,107 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 10:28:34,108 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:34,108 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:34,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:34,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:34,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:34,110 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 3 states. [2018-09-30 10:28:34,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:34,323 INFO L93 Difference]: Finished difference Result 62 states and 93 transitions. [2018-09-30 10:28:34,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:34,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-09-30 10:28:34,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:34,325 INFO L225 Difference]: With dead ends: 62 [2018-09-30 10:28:34,325 INFO L226 Difference]: Without dead ends: 35 [2018-09-30 10:28:34,328 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:34,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-09-30 10:28:34,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-09-30 10:28:34,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-09-30 10:28:34,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2018-09-30 10:28:34,340 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2018-09-30 10:28:34,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:34,340 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2018-09-30 10:28:34,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:34,341 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2018-09-30 10:28:34,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 10:28:34,344 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:34,344 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:34,346 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:34,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:34,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1719277757, now seen corresponding path program 1 times [2018-09-30 10:28:34,347 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:34,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:34,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:34,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:34,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:34,520 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-30 10:28:34,520 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:34,520 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:34,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:34,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:34,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:34,522 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2018-09-30 10:28:34,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:34,648 INFO L93 Difference]: Finished difference Result 73 states and 105 transitions. [2018-09-30 10:28:34,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:34,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-09-30 10:28:34,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:34,649 INFO L225 Difference]: With dead ends: 73 [2018-09-30 10:28:34,649 INFO L226 Difference]: Without dead ends: 41 [2018-09-30 10:28:34,651 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:34,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-09-30 10:28:34,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-09-30 10:28:34,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-09-30 10:28:34,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2018-09-30 10:28:34,660 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 26 [2018-09-30 10:28:34,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:34,660 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2018-09-30 10:28:34,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:34,660 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2018-09-30 10:28:34,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 10:28:34,662 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:34,662 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] [2018-09-30 10:28:34,662 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:34,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:34,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1612801811, now seen corresponding path program 1 times [2018-09-30 10:28:34,663 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:34,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:34,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:34,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:34,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:34,792 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-09-30 10:28:34,793 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:34,793 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:34,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:34,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:34,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:34,795 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand 3 states. [2018-09-30 10:28:35,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:35,099 INFO L93 Difference]: Finished difference Result 86 states and 119 transitions. [2018-09-30 10:28:35,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:35,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-09-30 10:28:35,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:35,101 INFO L225 Difference]: With dead ends: 86 [2018-09-30 10:28:35,101 INFO L226 Difference]: Without dead ends: 48 [2018-09-30 10:28:35,103 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 [2018-09-30 10:28:35,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-09-30 10:28:35,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-09-30 10:28:35,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-09-30 10:28:35,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 62 transitions. [2018-09-30 10:28:35,112 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 62 transitions. Word has length 34 [2018-09-30 10:28:35,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:35,113 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 62 transitions. [2018-09-30 10:28:35,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:35,113 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2018-09-30 10:28:35,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 10:28:35,114 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:35,115 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] [2018-09-30 10:28:35,115 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:35,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:35,116 INFO L82 PathProgramCache]: Analyzing trace with hash -168763707, now seen corresponding path program 1 times [2018-09-30 10:28:35,116 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:35,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:35,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:35,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:35,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-09-30 10:28:35,217 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:35,217 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:35,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:35,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:35,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:35,218 INFO L87 Difference]: Start difference. First operand 48 states and 62 transitions. Second operand 3 states. [2018-09-30 10:28:35,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:35,390 INFO L93 Difference]: Finished difference Result 136 states and 179 transitions. [2018-09-30 10:28:35,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:35,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-09-30 10:28:35,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:35,394 INFO L225 Difference]: With dead ends: 136 [2018-09-30 10:28:35,394 INFO L226 Difference]: Without dead ends: 91 [2018-09-30 10:28:35,395 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:35,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-09-30 10:28:35,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-09-30 10:28:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-09-30 10:28:35,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 117 transitions. [2018-09-30 10:28:35,410 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 117 transitions. Word has length 43 [2018-09-30 10:28:35,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:35,411 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 117 transitions. [2018-09-30 10:28:35,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:35,411 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2018-09-30 10:28:35,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 10:28:35,413 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:35,413 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] [2018-09-30 10:28:35,414 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:35,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:35,414 INFO L82 PathProgramCache]: Analyzing trace with hash 253938119, now seen corresponding path program 1 times [2018-09-30 10:28:35,414 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:35,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:35,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:35,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:35,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-09-30 10:28:35,508 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:35,508 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:35,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:35,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:35,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:35,509 INFO L87 Difference]: Start difference. First operand 91 states and 117 transitions. Second operand 3 states. [2018-09-30 10:28:35,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:35,567 INFO L93 Difference]: Finished difference Result 188 states and 241 transitions. [2018-09-30 10:28:35,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:35,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-09-30 10:28:35,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:35,569 INFO L225 Difference]: With dead ends: 188 [2018-09-30 10:28:35,569 INFO L226 Difference]: Without dead ends: 100 [2018-09-30 10:28:35,570 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:35,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-09-30 10:28:35,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-09-30 10:28:35,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-09-30 10:28:35,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 126 transitions. [2018-09-30 10:28:35,584 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 126 transitions. Word has length 43 [2018-09-30 10:28:35,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:35,584 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 126 transitions. [2018-09-30 10:28:35,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:35,585 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 126 transitions. [2018-09-30 10:28:35,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 10:28:35,587 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:35,587 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] [2018-09-30 10:28:35,587 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:35,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:35,588 INFO L82 PathProgramCache]: Analyzing trace with hash -4227319, now seen corresponding path program 1 times [2018-09-30 10:28:35,588 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:35,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:35,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:35,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:35,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:35,659 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 10:28:35,660 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:35,660 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:35,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:35,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:35,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:35,661 INFO L87 Difference]: Start difference. First operand 100 states and 126 transitions. Second operand 3 states. [2018-09-30 10:28:35,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:35,919 INFO L93 Difference]: Finished difference Result 139 states and 179 transitions. [2018-09-30 10:28:35,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:35,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-09-30 10:28:35,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:35,921 INFO L225 Difference]: With dead ends: 139 [2018-09-30 10:28:35,922 INFO L226 Difference]: Without dead ends: 137 [2018-09-30 10:28:35,925 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:35,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-09-30 10:28:35,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2018-09-30 10:28:35,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-09-30 10:28:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 171 transitions. [2018-09-30 10:28:35,954 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 171 transitions. Word has length 43 [2018-09-30 10:28:35,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:35,955 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 171 transitions. [2018-09-30 10:28:35,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:35,955 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 171 transitions. [2018-09-30 10:28:35,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-30 10:28:35,965 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:35,965 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] [2018-09-30 10:28:35,966 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:35,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:35,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1562207431, now seen corresponding path program 1 times [2018-09-30 10:28:35,966 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:35,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:35,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:35,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:35,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:36,109 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-09-30 10:28:36,110 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:36,110 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:36,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:36,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:36,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:36,112 INFO L87 Difference]: Start difference. First operand 132 states and 171 transitions. Second operand 3 states. [2018-09-30 10:28:36,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:36,358 INFO L93 Difference]: Finished difference Result 297 states and 405 transitions. [2018-09-30 10:28:36,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:36,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-09-30 10:28:36,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:36,360 INFO L225 Difference]: With dead ends: 297 [2018-09-30 10:28:36,361 INFO L226 Difference]: Without dead ends: 168 [2018-09-30 10:28:36,362 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:36,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-09-30 10:28:36,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2018-09-30 10:28:36,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-09-30 10:28:36,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 222 transitions. [2018-09-30 10:28:36,382 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 222 transitions. Word has length 73 [2018-09-30 10:28:36,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:36,383 INFO L480 AbstractCegarLoop]: Abstraction has 168 states and 222 transitions. [2018-09-30 10:28:36,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:36,383 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 222 transitions. [2018-09-30 10:28:36,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 10:28:36,385 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:36,385 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] [2018-09-30 10:28:36,385 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:36,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:36,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1926453931, now seen corresponding path program 2 times [2018-09-30 10:28:36,386 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:36,386 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:36,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:36,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:36,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:36,443 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-09-30 10:28:36,443 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:36,443 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:36,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:36,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:36,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:36,445 INFO L87 Difference]: Start difference. First operand 168 states and 222 transitions. Second operand 3 states. [2018-09-30 10:28:36,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:36,563 INFO L93 Difference]: Finished difference Result 405 states and 558 transitions. [2018-09-30 10:28:36,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:36,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2018-09-30 10:28:36,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:36,570 INFO L225 Difference]: With dead ends: 405 [2018-09-30 10:28:36,570 INFO L226 Difference]: Without dead ends: 228 [2018-09-30 10:28:36,571 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:36,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-09-30 10:28:36,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2018-09-30 10:28:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-09-30 10:28:36,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2018-09-30 10:28:36,598 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 76 [2018-09-30 10:28:36,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:36,599 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2018-09-30 10:28:36,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:36,599 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2018-09-30 10:28:36,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-30 10:28:36,601 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:36,601 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] [2018-09-30 10:28:36,601 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:36,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:36,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1254900833, now seen corresponding path program 1 times [2018-09-30 10:28:36,602 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:36,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:36,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:36,606 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 10:28:36,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:36,720 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-09-30 10:28:36,720 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:36,720 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:36,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:36,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:36,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:36,724 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 3 states. [2018-09-30 10:28:37,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:37,219 INFO L93 Difference]: Finished difference Result 489 states and 642 transitions. [2018-09-30 10:28:37,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:37,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2018-09-30 10:28:37,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:37,222 INFO L225 Difference]: With dead ends: 489 [2018-09-30 10:28:37,222 INFO L226 Difference]: Without dead ends: 255 [2018-09-30 10:28:37,224 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:37,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-09-30 10:28:37,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2018-09-30 10:28:37,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-09-30 10:28:37,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 327 transitions. [2018-09-30 10:28:37,258 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 327 transitions. Word has length 85 [2018-09-30 10:28:37,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:37,259 INFO L480 AbstractCegarLoop]: Abstraction has 255 states and 327 transitions. [2018-09-30 10:28:37,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:37,259 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 327 transitions. [2018-09-30 10:28:37,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-30 10:28:37,265 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:37,266 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] [2018-09-30 10:28:37,266 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:37,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:37,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1359801879, now seen corresponding path program 1 times [2018-09-30 10:28:37,270 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:37,270 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:37,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:37,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:37,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:37,396 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-09-30 10:28:37,396 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:37,397 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:37,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:37,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:37,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:37,398 INFO L87 Difference]: Start difference. First operand 255 states and 327 transitions. Second operand 3 states. [2018-09-30 10:28:37,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:37,853 INFO L93 Difference]: Finished difference Result 543 states and 702 transitions. [2018-09-30 10:28:37,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:37,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2018-09-30 10:28:37,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:37,858 INFO L225 Difference]: With dead ends: 543 [2018-09-30 10:28:37,858 INFO L226 Difference]: Without dead ends: 285 [2018-09-30 10:28:37,859 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:37,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-09-30 10:28:37,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2018-09-30 10:28:37,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-09-30 10:28:37,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 363 transitions. [2018-09-30 10:28:37,885 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 363 transitions. Word has length 94 [2018-09-30 10:28:37,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:37,885 INFO L480 AbstractCegarLoop]: Abstraction has 285 states and 363 transitions. [2018-09-30 10:28:37,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:37,885 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 363 transitions. [2018-09-30 10:28:37,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-30 10:28:37,887 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:37,887 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] [2018-09-30 10:28:37,887 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:37,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:37,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1195726822, now seen corresponding path program 1 times [2018-09-30 10:28:37,888 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:37,888 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:37,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:37,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:37,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:38,000 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-09-30 10:28:38,000 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:38,000 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:38,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:38,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:38,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:38,001 INFO L87 Difference]: Start difference. First operand 285 states and 363 transitions. Second operand 3 states. [2018-09-30 10:28:38,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:38,219 INFO L93 Difference]: Finished difference Result 603 states and 774 transitions. [2018-09-30 10:28:38,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:38,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-09-30 10:28:38,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:38,222 INFO L225 Difference]: With dead ends: 603 [2018-09-30 10:28:38,222 INFO L226 Difference]: Without dead ends: 318 [2018-09-30 10:28:38,223 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:38,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-09-30 10:28:38,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-09-30 10:28:38,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-09-30 10:28:38,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 405 transitions. [2018-09-30 10:28:38,247 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 405 transitions. Word has length 104 [2018-09-30 10:28:38,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:38,247 INFO L480 AbstractCegarLoop]: Abstraction has 318 states and 405 transitions. [2018-09-30 10:28:38,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:38,248 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 405 transitions. [2018-09-30 10:28:38,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-09-30 10:28:38,249 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:38,250 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] [2018-09-30 10:28:38,250 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:38,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:38,250 INFO L82 PathProgramCache]: Analyzing trace with hash -32649186, now seen corresponding path program 1 times [2018-09-30 10:28:38,251 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:38,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:38,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:38,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:38,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:38,365 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-09-30 10:28:38,366 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:38,366 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:38,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:38,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:38,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:38,367 INFO L87 Difference]: Start difference. First operand 318 states and 405 transitions. Second operand 3 states. [2018-09-30 10:28:38,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:38,627 INFO L93 Difference]: Finished difference Result 633 states and 807 transitions. [2018-09-30 10:28:38,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:38,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-09-30 10:28:38,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:38,630 INFO L225 Difference]: With dead ends: 633 [2018-09-30 10:28:38,630 INFO L226 Difference]: Without dead ends: 318 [2018-09-30 10:28:38,631 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:38,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-09-30 10:28:38,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-09-30 10:28:38,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-09-30 10:28:38,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 402 transitions. [2018-09-30 10:28:38,659 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 402 transitions. Word has length 115 [2018-09-30 10:28:38,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:38,660 INFO L480 AbstractCegarLoop]: Abstraction has 318 states and 402 transitions. [2018-09-30 10:28:38,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 402 transitions. [2018-09-30 10:28:38,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-30 10:28:38,662 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:38,662 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] [2018-09-30 10:28:38,662 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:38,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:38,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1066373693, now seen corresponding path program 1 times [2018-09-30 10:28:38,663 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:38,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:38,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:38,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:38,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:38,771 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-09-30 10:28:38,772 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:38,772 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:38,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:38,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:38,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:38,773 INFO L87 Difference]: Start difference. First operand 318 states and 402 transitions. Second operand 3 states. [2018-09-30 10:28:39,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:39,337 INFO L93 Difference]: Finished difference Result 633 states and 801 transitions. [2018-09-30 10:28:39,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:39,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2018-09-30 10:28:39,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:39,340 INFO L225 Difference]: With dead ends: 633 [2018-09-30 10:28:39,341 INFO L226 Difference]: Without dead ends: 318 [2018-09-30 10:28:39,342 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:39,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-09-30 10:28:39,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-09-30 10:28:39,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-09-30 10:28:39,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 387 transitions. [2018-09-30 10:28:39,402 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 387 transitions. Word has length 124 [2018-09-30 10:28:39,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:39,403 INFO L480 AbstractCegarLoop]: Abstraction has 318 states and 387 transitions. [2018-09-30 10:28:39,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:39,403 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 387 transitions. [2018-09-30 10:28:39,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-30 10:28:39,405 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:39,405 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] [2018-09-30 10:28:39,405 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:39,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:39,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1427413192, now seen corresponding path program 1 times [2018-09-30 10:28:39,406 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:39,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:39,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:39,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:39,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:39,594 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 385 proven. 4 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-09-30 10:28:39,595 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:28:39,595 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 10:28:39,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:39,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:28:39,795 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 385 proven. 4 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-09-30 10:28:39,837 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:28:39,837 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-09-30 10:28:39,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 10:28:39,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 10:28:39,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 10:28:39,839 INFO L87 Difference]: Start difference. First operand 318 states and 387 transitions. Second operand 4 states. [2018-09-30 10:28:40,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:40,987 INFO L93 Difference]: Finished difference Result 757 states and 914 transitions. [2018-09-30 10:28:40,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 10:28:40,988 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-09-30 10:28:40,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:40,990 INFO L225 Difference]: With dead ends: 757 [2018-09-30 10:28:40,990 INFO L226 Difference]: Without dead ends: 415 [2018-09-30 10:28:40,991 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 [2018-09-30 10:28:40,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2018-09-30 10:28:41,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 255. [2018-09-30 10:28:41,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-09-30 10:28:41,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 291 transitions. [2018-09-30 10:28:41,032 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 291 transitions. Word has length 136 [2018-09-30 10:28:41,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:41,033 INFO L480 AbstractCegarLoop]: Abstraction has 255 states and 291 transitions. [2018-09-30 10:28:41,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 10:28:41,033 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 291 transitions. [2018-09-30 10:28:41,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-09-30 10:28:41,034 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:41,035 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] [2018-09-30 10:28:41,035 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:41,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:41,035 INFO L82 PathProgramCache]: Analyzing trace with hash 2065701642, now seen corresponding path program 2 times [2018-09-30 10:28:41,035 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:41,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:41,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:41,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:41,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:41,232 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 417 proven. 3 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2018-09-30 10:28:41,232 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:28:41,233 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 10:28:41,249 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-30 10:28:41,372 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-30 10:28:41,372 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:28:41,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:28:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 417 proven. 3 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2018-09-30 10:28:41,448 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:28:41,448 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-09-30 10:28:41,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 10:28:41,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 10:28:41,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 10:28:41,450 INFO L87 Difference]: Start difference. First operand 255 states and 291 transitions. Second operand 4 states. [2018-09-30 10:28:42,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:42,092 INFO L93 Difference]: Finished difference Result 429 states and 487 transitions. [2018-09-30 10:28:42,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-30 10:28:42,092 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-09-30 10:28:42,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:42,093 INFO L225 Difference]: With dead ends: 429 [2018-09-30 10:28:42,093 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 10:28:42,094 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-30 10:28:42,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 10:28:42,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 10:28:42,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 10:28:42,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 10:28:42,095 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2018-09-30 10:28:42,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:42,096 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 10:28:42,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 10:28:42,096 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 10:28:42,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 10:28:42,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 10:28:42,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:42,728 WARN L178 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 7 [2018-09-30 10:28:44,162 WARN L178 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2018-09-30 10:28:44,358 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2018-09-30 10:28:44,616 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2018-09-30 10:28:44,755 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 22 [2018-09-30 10:28:44,963 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2018-09-30 10:28:45,159 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 22 [2018-09-30 10:28:45,266 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2018-09-30 10:28:45,531 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2018-09-30 10:28:45,952 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2018-09-30 10:28:46,159 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2018-09-30 10:28:46,180 INFO L422 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)) [2018-09-30 10:28:46,181 INFO L422 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)))) [2018-09-30 10:28:46,181 INFO L422 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)) [2018-09-30 10:28:46,181 INFO L422 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))) [2018-09-30 10:28:46,182 INFO L422 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))) [2018-09-30 10:28:46,182 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 526) no Hoare annotation was computed. [2018-09-30 10:28:46,182 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 526) no Hoare annotation was computed. [2018-09-30 10:28:46,182 INFO L422 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))) [2018-09-30 10:28:46,183 INFO L422 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)) [2018-09-30 10:28:46,183 INFO L422 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))) [2018-09-30 10:28:46,183 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 526) no Hoare annotation was computed. [2018-09-30 10:28:46,183 INFO L422 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)) [2018-09-30 10:28:46,184 INFO L422 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))) [2018-09-30 10:28:46,184 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 459) no Hoare annotation was computed. [2018-09-30 10:28:46,184 INFO L422 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))) [2018-09-30 10:28:46,184 INFO L422 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))) [2018-09-30 10:28:46,185 INFO L422 ceAbstractionStarter]: At program point L431(lines 431 458) the Hoare annotation is: false [2018-09-30 10:28:46,185 INFO L422 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)) [2018-09-30 10:28:46,185 INFO L422 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)))) [2018-09-30 10:28:46,185 INFO L422 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))) [2018-09-30 10:28:46,186 INFO L422 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))) [2018-09-30 10:28:46,186 INFO L422 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))) [2018-09-30 10:28:46,186 INFO L422 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))) [2018-09-30 10:28:46,186 INFO L422 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)) [2018-09-30 10:28:46,186 INFO L422 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)) [2018-09-30 10:28:46,187 INFO L422 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))) [2018-09-30 10:28:46,216 INFO L202 PluginConnector]: Adding new model s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 10:28:46 BoogieIcfgContainer [2018-09-30 10:28:46,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 10:28:46,218 INFO L168 Benchmark]: Toolchain (without parser) took 14293.42 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 47.2 MB). Free memory was 1.5 GB in the beginning and 924.9 MB in the end (delta: 529.8 MB). Peak memory consumption was 577.0 MB. Max. memory is 7.1 GB. [2018-09-30 10:28:46,222 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:28:46,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.92 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:28:46,224 INFO L168 Benchmark]: Boogie Preprocessor took 37.57 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:28:46,225 INFO L168 Benchmark]: RCFGBuilder took 866.17 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. [2018-09-30 10:28:46,226 INFO L168 Benchmark]: TraceAbstraction took 13337.05 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 47.2 MB). Free memory was 1.4 GB in the beginning and 924.9 MB in the end (delta: 498.1 MB). Peak memory consumption was 545.3 MB. Max. memory is 7.1 GB. [2018-09-30 10:28:46,231 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 45.92 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 37.57 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 866.17 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 13337.05 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 47.2 MB). Free memory was 1.4 GB in the beginning and 924.9 MB in the end (delta: 498.1 MB). Peak memory consumption was 545.3 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, 13.2s OverallTime, 17 OverallIterations, 17 TraceHistogramMax, 5.8s AutomataDifference, 0.0s DeadEndRemovalTime, 4.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 545 SDtfs, 240 SDslu, 220 SDs, 0 SdLazy, 533 SolverSat, 139 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s 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, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s 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-0-2018-09-30_10-28-46-256.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-0-2018-09-30_10-28-46-256.csv Received shutdown request...