java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_3_alt.BV.c.cil.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 12:53:20,489 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 12:53:20,491 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 12:53:20,505 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 12:53:20,505 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 12:53:20,506 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 12:53:20,507 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 12:53:20,509 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 12:53:20,511 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 12:53:20,511 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 12:53:20,512 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-04 12:53:20,536 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf [2018-10-04 12:53:20,558 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 12:53:20,559 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 12:53:20,560 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 12:53:20,561 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 12:53:20,562 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 12:53:20,562 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 12:53:20,562 INFO L133 SettingsManager]: * Use SBE=true [2018-10-04 12:53:20,562 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 12:53:20,563 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 12:53:20,564 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 12:53:20,564 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 12:53:20,564 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 12:53:20,564 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 12:53:20,564 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 12:53:20,565 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 12:53:20,565 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 12:53:20,565 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 12:53:20,565 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 12:53:20,565 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 12:53:20,566 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-04 12:53:20,566 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 12:53:20,566 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-04 12:53:20,566 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 12:53:20,566 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 12:53:20,567 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 12:53:20,568 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 12:53:20,568 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-04 12:53:20,568 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 12:53:20,569 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 12:53:20,569 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 12:53:20,569 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 12:53:20,631 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 12:53:20,652 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 12:53:20,658 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 12:53:20,660 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 12:53:20,660 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 12:53:20,661 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_3_alt.BV.c.cil.c_19.bpl [2018-10-04 12:53:20,661 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_3_alt.BV.c.cil.c_19.bpl' [2018-10-04 12:53:20,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 12:53:20,748 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 12:53:20,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 12:53:20,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 12:53:20,750 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 12:53:20,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:20" (1/1) ... [2018-10-04 12:53:20,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:20" (1/1) ... [2018-10-04 12:53:20,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 12:53:20,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 12:53:20,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 12:53:20,796 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 12:53:20,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:20" (1/1) ... [2018-10-04 12:53:20,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:20" (1/1) ... [2018-10-04 12:53:20,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:20" (1/1) ... [2018-10-04 12:53:20,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:20" (1/1) ... [2018-10-04 12:53:20,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:20" (1/1) ... [2018-10-04 12:53:20,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:20" (1/1) ... [2018-10-04 12:53:20,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:20" (1/1) ... [2018-10-04 12:53:20,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 12:53:20,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 12:53:20,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 12:53:20,866 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 12:53:20,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 12:53:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 12:53:20,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 12:53:21,619 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 12:53:21,620 INFO L202 PluginConnector]: Adding new model s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:53:21 BoogieIcfgContainer [2018-10-04 12:53:21,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 12:53:21,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-04 12:53:21,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-04 12:53:21,624 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-04 12:53:21,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:20" (1/2) ... [2018-10-04 12:53:21,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1999a880 and model type s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 12:53:21, skipping insertion in model container [2018-10-04 12:53:21,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:53:21" (2/2) ... [2018-10-04 12:53:21,628 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_3_alt.BV.c.cil.c_19.bpl [2018-10-04 12:53:21,638 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-04 12:53:21,647 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-04 12:53:21,694 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-04 12:53:21,695 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-04 12:53:21,695 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-04 12:53:21,695 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-04 12:53:21,695 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-04 12:53:21,696 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-04 12:53:21,696 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-04 12:53:21,696 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-04 12:53:21,696 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-04 12:53:21,713 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-10-04 12:53:21,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 12:53:21,720 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:21,721 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:21,722 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:21,728 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:21,729 INFO L82 PathProgramCache]: Analyzing trace with hash -505433715, now seen corresponding path program 1 times [2018-10-04 12:53:21,731 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:21,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:21,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:21,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:21,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 12:53:21,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:53:21,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 12:53:21,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:53:21,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:53:21,985 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:21,988 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 3 states. [2018-10-04 12:53:22,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:22,373 INFO L93 Difference]: Finished difference Result 56 states and 94 transitions. [2018-10-04 12:53:22,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:53:22,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-10-04 12:53:22,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:22,393 INFO L225 Difference]: With dead ends: 56 [2018-10-04 12:53:22,394 INFO L226 Difference]: Without dead ends: 34 [2018-10-04 12:53:22,397 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 12:53:22,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-10-04 12:53:22,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-10-04 12:53:22,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-10-04 12:53:22,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 57 transitions. [2018-10-04 12:53:22,438 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 57 transitions. Word has length 15 [2018-10-04 12:53:22,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:22,438 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 57 transitions. [2018-10-04 12:53:22,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:53:22,438 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2018-10-04 12:53:22,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 12:53:22,439 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:22,440 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:22,440 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:22,440 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:22,441 INFO L82 PathProgramCache]: Analyzing trace with hash -912155261, now seen corresponding path program 1 times [2018-10-04 12:53:22,441 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:22,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:22,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:22,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:22,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:22,517 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 12:53:22,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:53:22,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 12:53:22,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:53:22,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:53:22,520 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:22,520 INFO L87 Difference]: Start difference. First operand 34 states and 57 transitions. Second operand 3 states. [2018-10-04 12:53:22,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:22,697 INFO L93 Difference]: Finished difference Result 83 states and 141 transitions. [2018-10-04 12:53:22,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:53:22,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-10-04 12:53:22,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:22,700 INFO L225 Difference]: With dead ends: 83 [2018-10-04 12:53:22,700 INFO L226 Difference]: Without dead ends: 50 [2018-10-04 12:53:22,701 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 12:53:22,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-10-04 12:53:22,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-10-04 12:53:22,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-10-04 12:53:22,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 83 transitions. [2018-10-04 12:53:22,715 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 83 transitions. Word has length 23 [2018-10-04 12:53:22,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:22,716 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 83 transitions. [2018-10-04 12:53:22,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:53:22,716 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2018-10-04 12:53:22,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 12:53:22,718 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:22,718 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:22,718 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:22,719 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:22,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1423527967, now seen corresponding path program 1 times [2018-10-04 12:53:22,719 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:22,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:22,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:22,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:22,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:22,845 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-04 12:53:22,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:53:22,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 12:53:22,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:53:22,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:53:22,847 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:22,847 INFO L87 Difference]: Start difference. First operand 50 states and 83 transitions. Second operand 3 states. [2018-10-04 12:53:23,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:23,078 INFO L93 Difference]: Finished difference Result 106 states and 177 transitions. [2018-10-04 12:53:23,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:53:23,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-10-04 12:53:23,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:23,080 INFO L225 Difference]: With dead ends: 106 [2018-10-04 12:53:23,080 INFO L226 Difference]: Without dead ends: 57 [2018-10-04 12:53:23,081 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 12:53:23,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-10-04 12:53:23,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-10-04 12:53:23,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-10-04 12:53:23,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 92 transitions. [2018-10-04 12:53:23,105 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 92 transitions. Word has length 30 [2018-10-04 12:53:23,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:23,105 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 92 transitions. [2018-10-04 12:53:23,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:53:23,105 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2018-10-04 12:53:23,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 12:53:23,109 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:23,109 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:23,109 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:23,110 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:23,110 INFO L82 PathProgramCache]: Analyzing trace with hash 222883079, now seen corresponding path program 1 times [2018-10-04 12:53:23,110 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:23,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:23,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:23,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:23,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:23,239 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 12:53:23,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:53:23,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 12:53:23,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:53:23,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:53:23,241 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:23,241 INFO L87 Difference]: Start difference. First operand 57 states and 92 transitions. Second operand 3 states. [2018-10-04 12:53:23,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:23,579 INFO L93 Difference]: Finished difference Result 131 states and 214 transitions. [2018-10-04 12:53:23,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:53:23,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-10-04 12:53:23,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:23,585 INFO L225 Difference]: With dead ends: 131 [2018-10-04 12:53:23,585 INFO L226 Difference]: Without dead ends: 74 [2018-10-04 12:53:23,586 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 12:53:23,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-10-04 12:53:23,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-10-04 12:53:23,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-10-04 12:53:23,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 120 transitions. [2018-10-04 12:53:23,613 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 120 transitions. Word has length 30 [2018-10-04 12:53:23,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:23,613 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 120 transitions. [2018-10-04 12:53:23,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:53:23,614 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 120 transitions. [2018-10-04 12:53:23,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 12:53:23,615 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:23,615 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:23,616 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:23,616 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:23,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1035189277, now seen corresponding path program 1 times [2018-10-04 12:53:23,616 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:23,616 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:23,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:23,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:23,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:23,708 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-04 12:53:23,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:53:23,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 12:53:23,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:53:23,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:53:23,710 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:23,710 INFO L87 Difference]: Start difference. First operand 74 states and 120 transitions. Second operand 3 states. [2018-10-04 12:53:24,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:24,120 INFO L93 Difference]: Finished difference Result 153 states and 249 transitions. [2018-10-04 12:53:24,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:53:24,122 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-10-04 12:53:24,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:24,124 INFO L225 Difference]: With dead ends: 153 [2018-10-04 12:53:24,124 INFO L226 Difference]: Without dead ends: 80 [2018-10-04 12:53:24,125 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 12:53:24,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-10-04 12:53:24,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-10-04 12:53:24,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-10-04 12:53:24,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 125 transitions. [2018-10-04 12:53:24,138 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 125 transitions. Word has length 36 [2018-10-04 12:53:24,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:24,139 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 125 transitions. [2018-10-04 12:53:24,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:53:24,139 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 125 transitions. [2018-10-04 12:53:24,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 12:53:24,141 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:24,141 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:24,141 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:24,142 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:24,142 INFO L82 PathProgramCache]: Analyzing trace with hash -720648959, now seen corresponding path program 1 times [2018-10-04 12:53:24,142 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:24,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:24,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:24,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:24,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:24,222 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-04 12:53:24,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:53:24,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 12:53:24,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:53:24,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:53:24,223 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:24,223 INFO L87 Difference]: Start difference. First operand 80 states and 125 transitions. Second operand 3 states. [2018-10-04 12:53:24,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:24,476 INFO L93 Difference]: Finished difference Result 164 states and 257 transitions. [2018-10-04 12:53:24,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:53:24,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2018-10-04 12:53:24,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:24,479 INFO L225 Difference]: With dead ends: 164 [2018-10-04 12:53:24,479 INFO L226 Difference]: Without dead ends: 85 [2018-10-04 12:53:24,480 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 12:53:24,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-10-04 12:53:24,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-10-04 12:53:24,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-10-04 12:53:24,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 127 transitions. [2018-10-04 12:53:24,495 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 127 transitions. Word has length 41 [2018-10-04 12:53:24,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:24,495 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 127 transitions. [2018-10-04 12:53:24,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:53:24,496 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2018-10-04 12:53:24,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 12:53:24,497 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:24,498 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:24,498 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:24,498 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:24,498 INFO L82 PathProgramCache]: Analyzing trace with hash -2015268825, now seen corresponding path program 1 times [2018-10-04 12:53:24,499 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:24,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:24,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:24,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:24,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:24,517 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-04 12:53:24,517 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-04 12:53:24,518 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 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-04 12:53:24,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:24,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:53:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-04 12:53:24,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:53:24,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 12:53:24,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:53:24,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:53:24,862 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:24,863 INFO L87 Difference]: Start difference. First operand 85 states and 127 transitions. Second operand 3 states. [2018-10-04 12:53:25,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:25,041 INFO L93 Difference]: Finished difference Result 246 states and 370 transitions. [2018-10-04 12:53:25,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:53:25,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-10-04 12:53:25,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:25,043 INFO L225 Difference]: With dead ends: 246 [2018-10-04 12:53:25,044 INFO L226 Difference]: Without dead ends: 162 [2018-10-04 12:53:25,044 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time 0.0s impTime 1 [2018-10-04 12:53:25,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-10-04 12:53:25,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-10-04 12:53:25,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-10-04 12:53:25,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 234 transitions. [2018-10-04 12:53:25,073 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 234 transitions. Word has length 44 [2018-10-04 12:53:25,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:25,073 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 234 transitions. [2018-10-04 12:53:25,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:53:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 234 transitions. [2018-10-04 12:53:25,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 12:53:25,076 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:25,076 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:25,076 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:25,076 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:25,077 INFO L82 PathProgramCache]: Analyzing trace with hash -688187521, now seen corresponding path program 1 times [2018-10-04 12:53:25,077 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:25,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:25,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:25,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:25,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-04 12:53:25,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:53:25,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:53:25,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:53:25,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:53:25,171 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:25,172 INFO L87 Difference]: Start difference. First operand 162 states and 234 transitions. Second operand 3 states. [2018-10-04 12:53:25,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:25,462 INFO L93 Difference]: Finished difference Result 250 states and 366 transitions. [2018-10-04 12:53:25,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:53:25,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-10-04 12:53:25,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:25,464 INFO L225 Difference]: With dead ends: 250 [2018-10-04 12:53:25,464 INFO L226 Difference]: Without dead ends: 166 [2018-10-04 12:53:25,465 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 12:53:25,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-10-04 12:53:25,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-10-04 12:53:25,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-10-04 12:53:25,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 238 transitions. [2018-10-04 12:53:25,513 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 238 transitions. Word has length 47 [2018-10-04 12:53:25,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:25,513 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 238 transitions. [2018-10-04 12:53:25,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:53:25,513 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 238 transitions. [2018-10-04 12:53:25,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 12:53:25,515 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:25,516 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 6, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:25,516 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:25,516 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:25,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1326956629, now seen corresponding path program 1 times [2018-10-04 12:53:25,516 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:25,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:25,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:25,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:25,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:25,661 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-04 12:53:25,662 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:53:25,662 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:53:25,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:25,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:53:26,175 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-04 12:53:26,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-04 12:53:26,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-10-04 12:53:26,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-04 12:53:26,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-04 12:53:26,197 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:26,197 INFO L87 Difference]: Start difference. First operand 166 states and 238 transitions. Second operand 5 states. [2018-10-04 12:53:26,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:26,947 INFO L93 Difference]: Finished difference Result 598 states and 860 transitions. [2018-10-04 12:53:26,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-04 12:53:26,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2018-10-04 12:53:26,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:26,952 INFO L225 Difference]: With dead ends: 598 [2018-10-04 12:53:26,952 INFO L226 Difference]: Without dead ends: 406 [2018-10-04 12:53:26,953 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time 0.1s impTime 6 [2018-10-04 12:53:26,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2018-10-04 12:53:26,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 240. [2018-10-04 12:53:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-10-04 12:53:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 333 transitions. [2018-10-04 12:53:26,999 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 333 transitions. Word has length 48 [2018-10-04 12:53:26,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:26,999 INFO L480 AbstractCegarLoop]: Abstraction has 240 states and 333 transitions. [2018-10-04 12:53:26,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-04 12:53:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 333 transitions. [2018-10-04 12:53:27,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 12:53:27,001 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:27,001 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:27,002 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:27,002 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:27,002 INFO L82 PathProgramCache]: Analyzing trace with hash 2115677753, now seen corresponding path program 1 times [2018-10-04 12:53:27,002 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:27,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:27,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:27,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:27,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:27,097 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-04 12:53:27,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:53:27,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:53:27,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:53:27,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:53:27,098 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:27,098 INFO L87 Difference]: Start difference. First operand 240 states and 333 transitions. Second operand 3 states. [2018-10-04 12:53:27,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:27,452 INFO L93 Difference]: Finished difference Result 399 states and 560 transitions. [2018-10-04 12:53:27,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:53:27,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-10-04 12:53:27,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:27,454 INFO L225 Difference]: With dead ends: 399 [2018-10-04 12:53:27,454 INFO L226 Difference]: Without dead ends: 239 [2018-10-04 12:53:27,455 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 12:53:27,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-10-04 12:53:27,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2018-10-04 12:53:27,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-10-04 12:53:27,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 329 transitions. [2018-10-04 12:53:27,491 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 329 transitions. Word has length 60 [2018-10-04 12:53:27,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:27,492 INFO L480 AbstractCegarLoop]: Abstraction has 239 states and 329 transitions. [2018-10-04 12:53:27,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:53:27,492 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 329 transitions. [2018-10-04 12:53:27,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 12:53:27,493 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:27,493 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:27,494 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:27,495 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:27,495 INFO L82 PathProgramCache]: Analyzing trace with hash 227864519, now seen corresponding path program 1 times [2018-10-04 12:53:27,495 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:27,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:27,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:27,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:27,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:27,613 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-04 12:53:27,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:53:27,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:53:27,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:53:27,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:53:27,614 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:27,614 INFO L87 Difference]: Start difference. First operand 239 states and 329 transitions. Second operand 3 states. [2018-10-04 12:53:27,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:27,981 INFO L93 Difference]: Finished difference Result 470 states and 649 transitions. [2018-10-04 12:53:27,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:53:27,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-10-04 12:53:27,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:27,983 INFO L225 Difference]: With dead ends: 470 [2018-10-04 12:53:27,984 INFO L226 Difference]: Without dead ends: 237 [2018-10-04 12:53:27,984 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 12:53:27,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-10-04 12:53:28,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2018-10-04 12:53:28,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-10-04 12:53:28,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 319 transitions. [2018-10-04 12:53:28,020 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 319 transitions. Word has length 65 [2018-10-04 12:53:28,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:28,020 INFO L480 AbstractCegarLoop]: Abstraction has 237 states and 319 transitions. [2018-10-04 12:53:28,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:53:28,020 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 319 transitions. [2018-10-04 12:53:28,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 12:53:28,022 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:28,022 INFO L375 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 5, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:28,022 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:28,022 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:28,022 INFO L82 PathProgramCache]: Analyzing trace with hash -242141821, now seen corresponding path program 1 times [2018-10-04 12:53:28,023 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:28,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:28,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:28,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:28,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:28,130 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-04 12:53:28,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:53:28,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:53:28,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:53:28,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:53:28,131 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:28,132 INFO L87 Difference]: Start difference. First operand 237 states and 319 transitions. Second operand 3 states. [2018-10-04 12:53:28,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:28,302 INFO L93 Difference]: Finished difference Result 465 states and 628 transitions. [2018-10-04 12:53:28,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:53:28,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-10-04 12:53:28,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:28,307 INFO L225 Difference]: With dead ends: 465 [2018-10-04 12:53:28,307 INFO L226 Difference]: Without dead ends: 235 [2018-10-04 12:53:28,307 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 12:53:28,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-10-04 12:53:28,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-10-04 12:53:28,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-10-04 12:53:28,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 309 transitions. [2018-10-04 12:53:28,341 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 309 transitions. Word has length 71 [2018-10-04 12:53:28,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:28,341 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 309 transitions. [2018-10-04 12:53:28,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:53:28,341 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 309 transitions. [2018-10-04 12:53:28,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 12:53:28,343 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:28,343 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 7, 6, 5, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:28,343 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:28,343 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:28,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1274982729, now seen corresponding path program 1 times [2018-10-04 12:53:28,344 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:28,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:28,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:28,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:28,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:28,474 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-04 12:53:28,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:53:28,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:53:28,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:53:28,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:53:28,475 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:28,475 INFO L87 Difference]: Start difference. First operand 235 states and 309 transitions. Second operand 3 states. [2018-10-04 12:53:28,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:28,761 INFO L93 Difference]: Finished difference Result 465 states and 615 transitions. [2018-10-04 12:53:28,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:53:28,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2018-10-04 12:53:28,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:28,763 INFO L225 Difference]: With dead ends: 465 [2018-10-04 12:53:28,763 INFO L226 Difference]: Without dead ends: 238 [2018-10-04 12:53:28,764 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 12:53:28,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-10-04 12:53:28,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2018-10-04 12:53:28,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-10-04 12:53:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 307 transitions. [2018-10-04 12:53:28,792 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 307 transitions. Word has length 78 [2018-10-04 12:53:28,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:28,793 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 307 transitions. [2018-10-04 12:53:28,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:53:28,793 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 307 transitions. [2018-10-04 12:53:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 12:53:28,794 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:28,794 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 9, 8, 7, 6, 5, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:28,795 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:28,795 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:28,795 INFO L82 PathProgramCache]: Analyzing trace with hash 409856557, now seen corresponding path program 1 times [2018-10-04 12:53:28,795 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:28,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:28,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:28,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:28,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-10-04 12:53:28,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:53:28,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:53:28,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:53:28,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:53:28,912 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:28,912 INFO L87 Difference]: Start difference. First operand 238 states and 307 transitions. Second operand 3 states. [2018-10-04 12:53:29,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:29,360 INFO L93 Difference]: Finished difference Result 498 states and 646 transitions. [2018-10-04 12:53:29,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:53:29,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2018-10-04 12:53:29,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:29,363 INFO L225 Difference]: With dead ends: 498 [2018-10-04 12:53:29,363 INFO L226 Difference]: Without dead ends: 268 [2018-10-04 12:53:29,364 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 12:53:29,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-10-04 12:53:29,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2018-10-04 12:53:29,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-10-04 12:53:29,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 337 transitions. [2018-10-04 12:53:29,393 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 337 transitions. Word has length 86 [2018-10-04 12:53:29,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:29,394 INFO L480 AbstractCegarLoop]: Abstraction has 268 states and 337 transitions. [2018-10-04 12:53:29,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:53:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 337 transitions. [2018-10-04 12:53:29,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 12:53:29,395 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:29,395 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 9, 8, 7, 6, 5, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:29,396 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:29,396 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:29,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1980925187, now seen corresponding path program 1 times [2018-10-04 12:53:29,396 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:29,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:29,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:29,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:29,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:29,512 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-10-04 12:53:29,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:53:29,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:53:29,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:53:29,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:53:29,514 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:29,514 INFO L87 Difference]: Start difference. First operand 268 states and 337 transitions. Second operand 3 states. [2018-10-04 12:53:30,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:30,073 INFO L93 Difference]: Finished difference Result 561 states and 712 transitions. [2018-10-04 12:53:30,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:53:30,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-10-04 12:53:30,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:30,076 INFO L225 Difference]: With dead ends: 561 [2018-10-04 12:53:30,076 INFO L226 Difference]: Without dead ends: 301 [2018-10-04 12:53:30,077 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 12:53:30,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-10-04 12:53:30,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2018-10-04 12:53:30,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-10-04 12:53:30,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 370 transitions. [2018-10-04 12:53:30,118 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 370 transitions. Word has length 96 [2018-10-04 12:53:30,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:30,118 INFO L480 AbstractCegarLoop]: Abstraction has 301 states and 370 transitions. [2018-10-04 12:53:30,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:53:30,119 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 370 transitions. [2018-10-04 12:53:30,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-04 12:53:30,120 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:30,120 INFO L375 BasicCegarLoop]: trace histogram [12, 11, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:30,120 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:30,121 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:30,122 INFO L82 PathProgramCache]: Analyzing trace with hash -93746115, now seen corresponding path program 1 times [2018-10-04 12:53:30,122 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:30,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:30,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:30,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:30,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:30,251 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-10-04 12:53:30,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:53:30,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:53:30,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:53:30,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:53:30,252 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:30,253 INFO L87 Difference]: Start difference. First operand 301 states and 370 transitions. Second operand 3 states. [2018-10-04 12:53:30,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:30,516 INFO L93 Difference]: Finished difference Result 397 states and 491 transitions. [2018-10-04 12:53:30,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:53:30,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-10-04 12:53:30,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:30,519 INFO L225 Difference]: With dead ends: 397 [2018-10-04 12:53:30,519 INFO L226 Difference]: Without dead ends: 395 [2018-10-04 12:53:30,519 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 12:53:30,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-10-04 12:53:30,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2018-10-04 12:53:30,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-10-04 12:53:30,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 489 transitions. [2018-10-04 12:53:30,571 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 489 transitions. Word has length 107 [2018-10-04 12:53:30,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:30,571 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 489 transitions. [2018-10-04 12:53:30,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:53:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 489 transitions. [2018-10-04 12:53:30,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-04 12:53:30,573 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:30,573 INFO L375 BasicCegarLoop]: trace histogram [14, 13, 13, 12, 11, 10, 9, 8, 7, 6, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:30,574 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:30,574 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:30,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1780977529, now seen corresponding path program 1 times [2018-10-04 12:53:30,574 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:30,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:30,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:30,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:30,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:30,597 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-04 12:53:30,597 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-04 12:53:30,597 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-04 12:53:30,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:30,704 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:53:30,763 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2018-10-04 12:53:30,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:53:30,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:53:30,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:53:30,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:53:30,788 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:30,788 INFO L87 Difference]: Start difference. First operand 395 states and 489 transitions. Second operand 3 states. [2018-10-04 12:53:30,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:30,914 INFO L93 Difference]: Finished difference Result 782 states and 969 transitions. [2018-10-04 12:53:30,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:53:30,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2018-10-04 12:53:30,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:30,917 INFO L225 Difference]: With dead ends: 782 [2018-10-04 12:53:30,917 INFO L226 Difference]: Without dead ends: 395 [2018-10-04 12:53:30,918 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 12:53:30,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-10-04 12:53:30,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2018-10-04 12:53:30,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-10-04 12:53:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 466 transitions. [2018-10-04 12:53:30,962 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 466 transitions. Word has length 136 [2018-10-04 12:53:30,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:30,962 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 466 transitions. [2018-10-04 12:53:30,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:53:30,963 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 466 transitions. [2018-10-04 12:53:30,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-04 12:53:30,965 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:53:30,965 INFO L375 BasicCegarLoop]: trace histogram [19, 18, 18, 17, 16, 15, 14, 12, 10, 8, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:53:30,965 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:53:30,966 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:53:30,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1988836963, now seen corresponding path program 1 times [2018-10-04 12:53:30,966 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:53:30,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:53:30,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:30,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:30,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:53:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:31,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 740 proven. 8 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-04 12:53:31,210 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:53:31,210 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:53:31,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:53:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:53:31,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:53:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 740 proven. 8 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-04 12:53:31,452 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:53:31,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-10-04 12:53:31,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-04 12:53:31,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-04 12:53:31,453 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:53:31,453 INFO L87 Difference]: Start difference. First operand 395 states and 466 transitions. Second operand 4 states. [2018-10-04 12:53:31,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:53:31,913 INFO L93 Difference]: Finished difference Result 629 states and 744 transitions. [2018-10-04 12:53:31,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-04 12:53:31,914 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 188 [2018-10-04 12:53:31,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:53:31,914 INFO L225 Difference]: With dead ends: 629 [2018-10-04 12:53:31,914 INFO L226 Difference]: Without dead ends: 0 [2018-10-04 12:53:31,915 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time 0.1s impTime 3 [2018-10-04 12:53:31,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-04 12:53:31,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-04 12:53:31,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-04 12:53:31,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-04 12:53:31,916 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2018-10-04 12:53:31,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:53:31,916 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-04 12:53:31,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-04 12:53:31,917 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-04 12:53:31,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 12:53:31,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-04 12:53:31,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:31,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:31,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:31,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:31,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:31,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:31,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:32,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 12:53:33,439 WARN L178 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 34 DAG size of output: 23 [2018-10-04 12:53:33,860 WARN L178 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2018-10-04 12:53:33,962 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-04 12:53:34,330 WARN L178 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2018-10-04 12:53:34,590 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27 [2018-10-04 12:53:34,697 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2018-10-04 12:53:35,208 WARN L178 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-10-04 12:53:35,347 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-10-04 12:53:35,525 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2018-10-04 12:53:35,781 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-10-04 12:53:35,940 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2018-10-04 12:53:36,047 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-10-04 12:53:36,157 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2018-10-04 12:53:36,291 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-10-04 12:53:36,294 INFO L421 ceAbstractionStarter]: At program point L345(lines 345 353) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse3 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse4 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse5 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)) (and .cse2 .cse3 .cse4 .cse5 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)))) [2018-10-04 12:53:36,294 INFO L421 ceAbstractionStarter]: At program point L304(lines 304 320) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse0) (and .cse1 .cse2 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and .cse3 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)) (and .cse3 .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)))) [2018-10-04 12:53:36,294 INFO L421 ceAbstractionStarter]: At program point L420(lines 420 440) the Hoare annotation is: (let ((.cse0 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse1 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) .cse0 .cse1) (and (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) .cse0 .cse1))) [2018-10-04 12:53:36,294 INFO L421 ceAbstractionStarter]: At program point L482(lines 264 482) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-10-04 12:53:36,294 INFO L421 ceAbstractionStarter]: At program point L416(lines 416 427) the Hoare annotation is: (and (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) [2018-10-04 12:53:36,295 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 3 485) no Hoare annotation was computed. [2018-10-04 12:53:36,295 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 3 485) no Hoare annotation was computed. [2018-10-04 12:53:36,295 INFO L421 ceAbstractionStarter]: At program point L408(lines 408 417) the Hoare annotation is: (let ((.cse0 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse1 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse2 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576) (<= ULTIMATE.start_ssl3_accept_~s__state~4 8576) .cse3) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) .cse0 .cse1 .cse2 .cse3))) [2018-10-04 12:53:36,295 INFO L421 ceAbstractionStarter]: At program point L375(lines 375 387) the Hoare annotation is: (let ((.cse0 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse1 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse2 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576) (<= ULTIMATE.start_ssl3_accept_~s__state~4 8576) .cse3) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) .cse0 .cse1 .cse2 .cse3))) [2018-10-04 12:53:36,295 INFO L421 ceAbstractionStarter]: At program point L462(lines 459 477) the Hoare annotation is: (and (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) [2018-10-04 12:53:36,295 INFO L421 ceAbstractionStarter]: At program point L429(lines 426 448) the Hoare annotation is: (and (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) [2018-10-04 12:53:36,295 INFO L421 ceAbstractionStarter]: At program point L355(lines 355 372) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse0) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-10-04 12:53:36,295 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 3 485) no Hoare annotation was computed. [2018-10-04 12:53:36,296 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 484) no Hoare annotation was computed. [2018-10-04 12:53:36,296 INFO L421 ceAbstractionStarter]: At program point L273(lines 236 273) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-10-04 12:53:36,296 INFO L421 ceAbstractionStarter]: At program point L269(lines 269 288) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-10-04 12:53:36,296 INFO L421 ceAbstractionStarter]: At program point L323(lines 323 340) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse3 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse4 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse0) (and .cse1 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)) (and .cse2 .cse3 .cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and .cse1 .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)))) [2018-10-04 12:53:36,296 INFO L421 ceAbstractionStarter]: At program point L447(lines 447 473) the Hoare annotation is: (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) [2018-10-04 12:53:36,296 INFO L421 ceAbstractionStarter]: At program point L476(lines 476 483) the Hoare annotation is: false [2018-10-04 12:53:36,296 INFO L421 ceAbstractionStarter]: At program point L249(lines 249 265) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-10-04 12:53:36,296 INFO L421 ceAbstractionStarter]: At program point L439(lines 439 460) the Hoare annotation is: (and (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) [2018-10-04 12:53:36,297 INFO L421 ceAbstractionStarter]: At program point L390(lines 390 405) the Hoare annotation is: (let ((.cse0 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse1 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse2 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576) (<= ULTIMATE.start_ssl3_accept_~s__state~4 8576) .cse3) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) .cse0 .cse1 .cse2 .cse3))) [2018-10-04 12:53:36,297 INFO L421 ceAbstractionStarter]: At program point L291(lines 291 301) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-10-04 12:53:36,314 INFO L202 PluginConnector]: Adding new model s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 12:53:36 BoogieIcfgContainer [2018-10-04 12:53:36,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-04 12:53:36,315 INFO L168 Benchmark]: Toolchain (without parser) took 15568.25 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 132.6 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 49.4 MB). Peak memory consumption was 593.5 MB. Max. memory is 7.1 GB. [2018-10-04 12:53:36,317 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 12:53:36,317 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.31 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 12:53:36,318 INFO L168 Benchmark]: Boogie Preprocessor took 69.30 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 12:53:36,319 INFO L168 Benchmark]: RCFGBuilder took 754.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-04 12:53:36,320 INFO L168 Benchmark]: TraceAbstraction took 14693.68 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 132.6 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 17.7 MB). Peak memory consumption was 561.7 MB. Max. memory is 7.1 GB. [2018-10-04 12:53:36,324 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 0.23 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 46.31 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 69.30 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 754.22 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 14693.68 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 132.6 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 17.7 MB). Peak memory consumption was 561.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 484]: 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: 420]: Loop Invariant Derived loop invariant: ((8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) || ((ssl3_accept_~blastFlag~4 <= 2 && !(8544 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4))) || (((!(8656 == ssl3_accept_~s__state~4) && !(8672 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4)) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: (((((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 == 8448) || (8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3)) || ((((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4))) || ((((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: ((((!(8672 == ssl3_accept_~s__state~4) && !(8512 == ssl3_accept_~s__state~4)) && ssl3_accept_~blastFlag~4 <= 3) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3)) || (((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4))) || (((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 == 8448) - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: ((8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) || ((((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4))) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: ((8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) || (((((!(8512 == ssl3_accept_~s__state~4) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) && ssl3_accept_~s__state~4 <= 8576) && !(8448 == ssl3_accept_~s__state~4))) || ((((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4)) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((((!(8656 == ssl3_accept_~s__state~4) && !(8672 == ssl3_accept_~s__state~4)) && ssl3_accept_~blastFlag~4 <= 2) && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((((ssl3_accept_~blastFlag~4 <= 2 && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) || (8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3)) || (ssl3_accept_~blastFlag~4 <= 2 && !(8448 == ssl3_accept_~s__state~4))) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 == 8448)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3) - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: ((((ssl3_accept_~blastFlag~4 <= 2 && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) || (8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3)) || (ssl3_accept_~blastFlag~4 <= 2 && !(8448 == ssl3_accept_~s__state~4))) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 == 8448)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: ((8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) || (((((!(8512 == ssl3_accept_~s__state~4) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) && ssl3_accept_~s__state~4 <= 8576) && !(8448 == ssl3_accept_~s__state~4))) || ((((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4)) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((((!(8672 == ssl3_accept_~s__state~4) && ssl3_accept_~blastFlag~4 <= 2) && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4) - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((((!(8656 == ssl3_accept_~s__state~4) && !(8672 == ssl3_accept_~s__state~4)) && ssl3_accept_~blastFlag~4 <= 2) && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: ((((ssl3_accept_~blastFlag~4 <= 2 && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) || (8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3)) || (ssl3_accept_~blastFlag~4 <= 2 && !(8448 == ssl3_accept_~s__state~4))) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 == 8448)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3) - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) || (((((!(8512 == ssl3_accept_~s__state~4) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) && ssl3_accept_~s__state~4 <= 8576) && !(8448 == ssl3_accept_~s__state~4))) || ((((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4)) - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: ((((ssl3_accept_~blastFlag~4 <= 2 && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) || (8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3)) || (ssl3_accept_~blastFlag~4 <= 2 && !(8448 == ssl3_accept_~s__state~4))) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 == 8448)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: ((((8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) || ((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4))) || ((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 == 8448) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((((ssl3_accept_~blastFlag~4 <= 2 && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) || (8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3)) || (ssl3_accept_~blastFlag~4 <= 2 && !(8448 == ssl3_accept_~s__state~4))) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 == 8448)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. SAFE Result, 14.6s OverallTime, 18 OverallIterations, 19 TraceHistogramMax, 6.1s AutomataDifference, 0.0s DeadEndRemovalTime, 4.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 463 SDtfs, 165 SDslu, 184 SDs, 0 SdLazy, 673 SolverSat, 175 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 461 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=395occurred in iteration=16, 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: 0.5s AutomataMinimizationTime, 18 MinimizatonAttempts, 166 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 19 PreInvPairs, 288 NumberOfFragments, 732 HoareAnnotationTreeSize, 19 FomulaSimplifications, 12030 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 19 FomulaSimplificationsInter, 1541 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1437 NumberOfCodeBlocks, 1437 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1417 ConstructedInterpolants, 0 QuantifiedInterpolants, 184792 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2058 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 20 InterpolantComputations, 17 PerfectInterpolantSequences, 5056/5080 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_srvr_3_alt.BV.c.cil.c_19.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-04_12-53-36-341.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_3_alt.BV.c.cil.c_19.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-04_12-53-36-341.csv Received shutdown request...