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_7.cil.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 10:37:30,344 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 10:37:30,347 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 10:37:30,359 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-09-28 10:37:30,395 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf [2018-09-28 10:37:30,410 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 10:37:30,411 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 10:37:30,411 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 10:37:30,412 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 10:37:30,412 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 10:37:30,412 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 10:37:30,413 INFO L133 SettingsManager]: * Use SBE=true [2018-09-28 10:37:30,413 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 10:37:30,413 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 10:37:30,413 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 10:37:30,414 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 10:37:30,414 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 10:37:30,414 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 10:37:30,414 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 10:37:30,414 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 10:37:30,415 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 10:37:30,415 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 10:37:30,415 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 10:37:30,415 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 10:37:30,415 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-28 10:37:30,416 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 10:37:30,416 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-28 10:37:30,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-28 10:37:30,416 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 10:37:30,416 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 10:37:30,417 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 10:37:30,417 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-28 10:37:30,417 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 10:37:30,417 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 10:37:30,417 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 10:37:30,418 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-28 10:37:30,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 10:37:30,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 10:37:30,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 10:37:30,483 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 10:37:30,484 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 10:37:30,485 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_7.cil.c_19.bpl [2018-09-28 10:37:30,485 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_7.cil.c_19.bpl' [2018-09-28 10:37:30,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 10:37:30,592 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 10:37:30,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 10:37:30,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 10:37:30,594 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 10:37:30,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:37:30" (1/1) ... [2018-09-28 10:37:30,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:37:30" (1/1) ... [2018-09-28 10:37:30,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 10:37:30,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 10:37:30,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 10:37:30,652 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 10:37:30,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:37:30" (1/1) ... [2018-09-28 10:37:30,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:37:30" (1/1) ... [2018-09-28 10:37:30,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:37:30" (1/1) ... [2018-09-28 10:37:30,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:37:30" (1/1) ... [2018-09-28 10:37:30,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:37:30" (1/1) ... [2018-09-28 10:37:30,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:37:30" (1/1) ... [2018-09-28 10:37:30,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:37:30" (1/1) ... [2018-09-28 10:37:30,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 10:37:30,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 10:37:30,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 10:37:30,710 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 10:37:30,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:37:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-28 10:37:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-28 10:37:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-28 10:37:31,415 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-28 10:37:31,415 INFO L202 PluginConnector]: Adding new model s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:37:31 BoogieIcfgContainer [2018-09-28 10:37:31,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 10:37:31,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-28 10:37:31,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-28 10:37:31,424 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-28 10:37:31,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:37:30" (1/2) ... [2018-09-28 10:37:31,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a01d6b and model type s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.09 10:37:31, skipping insertion in model container [2018-09-28 10:37:31,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:37:31" (2/2) ... [2018-09-28 10:37:31,429 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_7.cil.c_19.bpl [2018-09-28 10:37:31,440 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-28 10:37:31,452 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-28 10:37:31,503 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-28 10:37:31,503 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-28 10:37:31,504 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-28 10:37:31,504 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-28 10:37:31,504 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-28 10:37:31,504 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-28 10:37:31,505 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-28 10:37:31,505 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-28 10:37:31,505 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-28 10:37:31,521 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2018-09-28 10:37:31,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:37:31,538 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:37:31,539 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:37:31,542 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:37:31,551 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:37:31,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1807955439, now seen corresponding path program 1 times [2018-09-28 10:37:31,554 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:37:31,555 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:37:31,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:31,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:37:31,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:37:31,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:37:31,780 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:37:31,781 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 10:37:31,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:37:31,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:37:31,799 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:37:31,802 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. [2018-09-28 10:37:32,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:37:32,048 INFO L93 Difference]: Finished difference Result 29 states and 44 transitions. [2018-09-28 10:37:32,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:37:32,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-09-28 10:37:32,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:37:32,064 INFO L225 Difference]: With dead ends: 29 [2018-09-28 10:37:32,064 INFO L226 Difference]: Without dead ends: 16 [2018-09-28 10:37:32,068 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:37:32,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-09-28 10:37:32,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-09-28 10:37:32,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-09-28 10:37:32,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2018-09-28 10:37:32,107 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 22 transitions. Word has length 7 [2018-09-28 10:37:32,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:37:32,108 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 22 transitions. [2018-09-28 10:37:32,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:37:32,108 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2018-09-28 10:37:32,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:37:32,109 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:37:32,109 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:37:32,109 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:37:32,110 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:37:32,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1100281751, now seen corresponding path program 1 times [2018-09-28 10:37:32,110 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:37:32,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:37:32,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:32,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:37:32,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:37:32,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:37:32,220 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:37:32,221 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:37:32,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:37:32,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:37:32,223 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:37:32,223 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. Second operand 3 states. [2018-09-28 10:37:32,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:37:32,464 INFO L93 Difference]: Finished difference Result 33 states and 47 transitions. [2018-09-28 10:37:32,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:37:32,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-09-28 10:37:32,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:37:32,466 INFO L225 Difference]: With dead ends: 33 [2018-09-28 10:37:32,466 INFO L226 Difference]: Without dead ends: 20 [2018-09-28 10:37:32,467 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:37:32,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-09-28 10:37:32,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-09-28 10:37:32,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-09-28 10:37:32,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2018-09-28 10:37:32,473 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 26 transitions. Word has length 10 [2018-09-28 10:37:32,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:37:32,473 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 26 transitions. [2018-09-28 10:37:32,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:37:32,474 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-09-28 10:37:32,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:37:32,474 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:37:32,475 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:37:32,475 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:37:32,476 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:37:32,476 INFO L82 PathProgramCache]: Analyzing trace with hash -2082374887, now seen corresponding path program 1 times [2018-09-28 10:37:32,476 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:37:32,476 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:37:32,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:32,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:37:32,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:37:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-28 10:37:32,626 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:37:32,626 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:37:32,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:37:32,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:37:32,627 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:37:32,627 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. Second operand 3 states. [2018-09-28 10:37:32,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:37:32,900 INFO L93 Difference]: Finished difference Result 44 states and 61 transitions. [2018-09-28 10:37:32,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:37:32,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-09-28 10:37:32,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:37:32,903 INFO L225 Difference]: With dead ends: 44 [2018-09-28 10:37:32,903 INFO L226 Difference]: Without dead ends: 27 [2018-09-28 10:37:32,904 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:37:32,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-09-28 10:37:32,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2018-09-28 10:37:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-09-28 10:37:32,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2018-09-28 10:37:32,911 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 14 [2018-09-28 10:37:32,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:37:32,911 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2018-09-28 10:37:32,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:37:32,912 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2018-09-28 10:37:32,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-28 10:37:32,913 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:37:32,913 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:37:32,913 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:37:32,914 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:37:32,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1026052440, now seen corresponding path program 1 times [2018-09-28 10:37:32,914 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:37:32,914 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:37:32,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:32,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:37:32,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:37:33,009 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-28 10:37:33,010 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:37:33,010 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:37:33,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:37:33,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:37:33,011 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:37:33,011 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand 3 states. [2018-09-28 10:37:33,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:37:33,367 INFO L93 Difference]: Finished difference Result 56 states and 69 transitions. [2018-09-28 10:37:33,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:37:33,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-09-28 10:37:33,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:37:33,369 INFO L225 Difference]: With dead ends: 56 [2018-09-28 10:37:33,370 INFO L226 Difference]: Without dead ends: 33 [2018-09-28 10:37:33,370 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:37:33,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-09-28 10:37:33,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-09-28 10:37:33,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-09-28 10:37:33,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2018-09-28 10:37:33,378 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 23 [2018-09-28 10:37:33,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:37:33,378 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2018-09-28 10:37:33,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:37:33,379 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2018-09-28 10:37:33,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-28 10:37:33,380 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:37:33,380 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:37:33,380 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:37:33,380 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:37:33,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1274183299, now seen corresponding path program 1 times [2018-09-28 10:37:33,381 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:37:33,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:37:33,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:33,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:37:33,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:37:33,500 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-28 10:37:33,500 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:37:33,501 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:37:33,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:37:33,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:37:33,502 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:37:33,502 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand 3 states. [2018-09-28 10:37:33,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:37:33,860 INFO L93 Difference]: Finished difference Result 73 states and 88 transitions. [2018-09-28 10:37:33,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:37:33,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-09-28 10:37:33,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:37:33,862 INFO L225 Difference]: With dead ends: 73 [2018-09-28 10:37:33,862 INFO L226 Difference]: Without dead ends: 42 [2018-09-28 10:37:33,863 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:37:33,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-09-28 10:37:33,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-09-28 10:37:33,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-09-28 10:37:33,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2018-09-28 10:37:33,871 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 32 [2018-09-28 10:37:33,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:37:33,872 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2018-09-28 10:37:33,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:37:33,872 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2018-09-28 10:37:33,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-28 10:37:33,873 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:37:33,873 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:37:33,874 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:37:33,874 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:37:33,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1954241669, now seen corresponding path program 1 times [2018-09-28 10:37:33,874 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:37:33,875 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:37:33,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:33,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:37:33,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:37:33,985 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-09-28 10:37:33,985 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:37:33,985 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:37:33,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:37:33,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:37:33,986 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:37:33,986 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 3 states. [2018-09-28 10:37:34,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:37:34,190 INFO L93 Difference]: Finished difference Result 86 states and 101 transitions. [2018-09-28 10:37:34,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:37:34,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-09-28 10:37:34,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:37:34,193 INFO L225 Difference]: With dead ends: 86 [2018-09-28 10:37:34,193 INFO L226 Difference]: Without dead ends: 47 [2018-09-28 10:37:34,193 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:37:34,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-09-28 10:37:34,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-09-28 10:37:34,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-09-28 10:37:34,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2018-09-28 10:37:34,202 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 32 [2018-09-28 10:37:34,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:37:34,202 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2018-09-28 10:37:34,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:37:34,203 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2018-09-28 10:37:34,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-28 10:37:34,204 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:37:34,204 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:37:34,204 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:37:34,205 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:37:34,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1319638523, now seen corresponding path program 1 times [2018-09-28 10:37:34,205 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:37:34,205 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:37:34,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:34,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:37:34,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:37:34,322 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-09-28 10:37:34,322 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:37:34,323 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:37:34,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:37:34,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:37:34,324 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:37:34,324 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand 3 states. [2018-09-28 10:37:34,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:37:34,487 INFO L93 Difference]: Finished difference Result 64 states and 76 transitions. [2018-09-28 10:37:34,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:37:34,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-09-28 10:37:34,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:37:34,492 INFO L225 Difference]: With dead ends: 64 [2018-09-28 10:37:34,492 INFO L226 Difference]: Without dead ends: 62 [2018-09-28 10:37:34,492 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:37:34,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-09-28 10:37:34,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 61. [2018-09-28 10:37:34,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-09-28 10:37:34,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 72 transitions. [2018-09-28 10:37:34,503 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 72 transitions. Word has length 37 [2018-09-28 10:37:34,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:37:34,504 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 72 transitions. [2018-09-28 10:37:34,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:37:34,504 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2018-09-28 10:37:34,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-28 10:37:34,505 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:37:34,506 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:37:34,506 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:37:34,506 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:37:34,506 INFO L82 PathProgramCache]: Analyzing trace with hash 158773189, now seen corresponding path program 1 times [2018-09-28 10:37:34,506 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:37:34,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:37:34,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:34,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:37:34,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:37:34,565 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-09-28 10:37:34,566 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:37:34,566 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:37:34,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:37:34,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:37:34,567 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:37:34,567 INFO L87 Difference]: Start difference. First operand 61 states and 72 transitions. Second operand 3 states. [2018-09-28 10:37:34,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:37:34,665 INFO L93 Difference]: Finished difference Result 120 states and 143 transitions. [2018-09-28 10:37:34,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:37:34,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-09-28 10:37:34,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:37:34,666 INFO L225 Difference]: With dead ends: 120 [2018-09-28 10:37:34,666 INFO L226 Difference]: Without dead ends: 62 [2018-09-28 10:37:34,667 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:37:34,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-09-28 10:37:34,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-09-28 10:37:34,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-09-28 10:37:34,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 73 transitions. [2018-09-28 10:37:34,680 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 73 transitions. Word has length 37 [2018-09-28 10:37:34,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:37:34,681 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 73 transitions. [2018-09-28 10:37:34,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:37:34,681 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions. [2018-09-28 10:37:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-28 10:37:34,683 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:37:34,683 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 7, 5, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:37:34,684 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:37:34,684 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:37:34,684 INFO L82 PathProgramCache]: Analyzing trace with hash 336869209, now seen corresponding path program 1 times [2018-09-28 10:37:34,684 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:37:34,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:37:34,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:34,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:37:34,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:37:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:37:34,884 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 127 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-09-28 10:37:34,884 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-28 10:37:34,884 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-28 10:37:34,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:37:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:37:35,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-28 10:37:35,412 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 127 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-09-28 10:37:35,434 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-28 10:37:35,434 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-09-28 10:37:35,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-28 10:37:35,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-28 10:37:35,436 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:37:35,436 INFO L87 Difference]: Start difference. First operand 62 states and 73 transitions. Second operand 4 states. [2018-09-28 10:37:35,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:37:35,956 INFO L93 Difference]: Finished difference Result 118 states and 133 transitions. [2018-09-28 10:37:35,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-28 10:37:35,956 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-09-28 10:37:35,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:37:35,957 INFO L225 Difference]: With dead ends: 118 [2018-09-28 10:37:35,957 INFO L226 Difference]: Without dead ends: 0 [2018-09-28 10:37:35,958 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:37:35,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-28 10:37:35,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-28 10:37:35,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-28 10:37:35,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-28 10:37:35,959 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2018-09-28 10:37:35,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:37:35,959 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-28 10:37:35,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-28 10:37:35,959 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-28 10:37:35,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-28 10:37:35,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-28 10:37:36,888 WARN L178 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 22 [2018-09-28 10:37:37,174 WARN L178 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2018-09-28 10:37:37,351 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 7 [2018-09-28 10:37:37,580 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-09-28 10:37:37,777 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2018-09-28 10:37:37,953 INFO L422 ceAbstractionStarter]: At program point L382(lines 377 392) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) [2018-09-28 10:37:37,953 INFO L422 ceAbstractionStarter]: At program point L337(lines 337 348) the Hoare annotation is: (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8640) (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 4) (<= ULTIMATE.start_ssl3_accept_~s__state~5 8640)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656))) [2018-09-28 10:37:37,954 INFO L422 ceAbstractionStarter]: At program point L271(lines 271 287) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 4))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8640) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8640)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8464)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)))) [2018-09-28 10:37:37,954 INFO L422 ceAbstractionStarter]: At program point L391(lines 388 398) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 4) (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~5)) [2018-09-28 10:37:37,954 INFO L422 ceAbstractionStarter]: At program point L354(lines 351 364) the Hoare annotation is: (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8640) (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 4) (<= ULTIMATE.start_ssl3_accept_~s__state~5 8640))) [2018-09-28 10:37:37,954 INFO L422 ceAbstractionStarter]: At program point L321(lines 321 329) the Hoare annotation is: (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8640) (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 4) (<= ULTIMATE.start_ssl3_accept_~s__state~5 8640)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656))) [2018-09-28 10:37:37,955 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 405) no Hoare annotation was computed. [2018-09-28 10:37:37,955 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 405) no Hoare annotation was computed. [2018-09-28 10:37:37,955 INFO L422 ceAbstractionStarter]: At program point L404(lines 286 404) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 4))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8640) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8640)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)))) [2018-09-28 10:37:37,955 INFO L422 ceAbstractionStarter]: At program point L371(lines 371 389) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~5)) [2018-09-28 10:37:37,955 INFO L422 ceAbstractionStarter]: At program point L363(lines 363 378) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8656))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) .cse0) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) .cse0))) [2018-09-28 10:37:37,955 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 405) no Hoare annotation was computed. [2018-09-28 10:37:37,956 INFO L422 ceAbstractionStarter]: At program point L347(lines 347 352) the Hoare annotation is: false [2018-09-28 10:37:37,956 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 353) no Hoare annotation was computed. [2018-09-28 10:37:37,956 INFO L422 ceAbstractionStarter]: At program point L295(lines 258 295) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 4))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8640) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8640)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8464)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)))) [2018-09-28 10:37:37,956 INFO L422 ceAbstractionStarter]: At program point L291(lines 291 310) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 4))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8640) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8640)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)))) [2018-09-28 10:37:37,972 INFO L202 PluginConnector]: Adding new model s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.09 10:37:37 BoogieIcfgContainer [2018-09-28 10:37:37,973 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-28 10:37:37,974 INFO L168 Benchmark]: Toolchain (without parser) took 7386.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 309.3 MB). Peak memory consumption was 309.3 MB. Max. memory is 7.1 GB. [2018-09-28 10:37:37,976 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.30 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. [2018-09-28 10:37:37,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.02 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:37:37,984 INFO L168 Benchmark]: Boogie Preprocessor took 56.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:37:37,988 INFO L168 Benchmark]: RCFGBuilder took 706.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-28 10:37:37,990 INFO L168 Benchmark]: TraceAbstraction took 6552.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 277.6 MB). Peak memory consumption was 277.6 MB. Max. memory is 7.1 GB. [2018-09-28 10:37:37,997 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 0.30 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. * Boogie Procedure Inliner took 58.02 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 56.91 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 706.32 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 6552.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 277.6 MB). Peak memory consumption was 277.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 353]: 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: 271]: Loop Invariant Derived loop invariant: ((((ssl3_accept_~blastFlag~5 <= 4 && ssl3_accept_~s__state~5 == 8496) || (ssl3_accept_~blastFlag~5 == 3 && 8656 <= ssl3_accept_~s__state~5)) || ((ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8640 && ssl3_accept_~blastFlag~5 <= 4) && ssl3_accept_~s__state~5 <= 8640)) || (ssl3_accept_~blastFlag~5 <= 4 && ssl3_accept_~s__state~5 == 8464)) || (ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656) - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: (((ssl3_accept_~blastFlag~5 <= 4 && ssl3_accept_~s__state~5 == 8496) || (ssl3_accept_~blastFlag~5 == 3 && 8656 <= ssl3_accept_~s__state~5)) || ((ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8640 && ssl3_accept_~blastFlag~5 <= 4) && ssl3_accept_~s__state~5 <= 8640)) || (ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ssl3_accept_~blastFlag~5 == 3 && ssl3_accept_~s__state~5 == 8656 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: ssl3_accept_~blastFlag~5 == 3 && 8656 <= ssl3_accept_~s__state~5 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: ((ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656) || ssl3_accept_~blastFlag~5 == 3) || ((ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8640 && ssl3_accept_~blastFlag~5 <= 4) && ssl3_accept_~s__state~5 <= 8640) - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: ssl3_accept_~blastFlag~5 <= 4 && 8656 <= ssl3_accept_~s__state~5 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: ((((ssl3_accept_~blastFlag~5 <= 4 && ssl3_accept_~s__state~5 == 8496) || (ssl3_accept_~blastFlag~5 == 3 && 8656 <= ssl3_accept_~s__state~5)) || ((ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8640 && ssl3_accept_~blastFlag~5 <= 4) && ssl3_accept_~s__state~5 <= 8640)) || (ssl3_accept_~blastFlag~5 <= 4 && ssl3_accept_~s__state~5 == 8464)) || (ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((ssl3_accept_~blastFlag~5 == 3 && 8656 <= ssl3_accept_~s__state~5) || ((ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8640 && ssl3_accept_~blastFlag~5 <= 4) && ssl3_accept_~s__state~5 <= 8640)) || (ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656) - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: ((ssl3_accept_~blastFlag~5 == 3 && 8656 <= ssl3_accept_~s__state~5) || ((ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8640 && ssl3_accept_~blastFlag~5 <= 4) && ssl3_accept_~s__state~5 <= 8640)) || (ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656) - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: (ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656) || (ssl3_accept_~blastFlag~5 == 3 && ssl3_accept_~s__state~5 == 8656) - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((ssl3_accept_~blastFlag~5 <= 4 && ssl3_accept_~s__state~5 == 8496) || (ssl3_accept_~blastFlag~5 == 3 && 8656 <= ssl3_accept_~s__state~5)) || ((ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8640 && ssl3_accept_~blastFlag~5 <= 4) && ssl3_accept_~s__state~5 <= 8640)) || (ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. SAFE Result, 6.4s OverallTime, 9 OverallIterations, 9 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 170 SDtfs, 25 SDslu, 75 SDs, 0 SdLazy, 143 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=8, 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: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 71 NumberOfFragments, 250 HoareAnnotationTreeSize, 12 FomulaSimplifications, 381 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 94 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 302 ConstructedInterpolants, 0 QuantifiedInterpolants, 17946 SizeOfPredicates, 2 NumberOfNonLiveVariables, 463 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 556/566 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_7.cil.c_19.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-28_10-37-38-029.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_7.cil.c_19.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-28_10-37-38-029.csv Received shutdown request...