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_2.BV.c.cil.c_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 20:47:13,601 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 20:47:13,603 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 20:47:13,615 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-09-30 20:47:13,661 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 [2018-09-30 20:47:13,693 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 20:47:13,693 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 20:47:13,694 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 20:47:13,695 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 20:47:13,695 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 20:47:13,696 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 20:47:13,696 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 20:47:13,696 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 20:47:13,696 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 20:47:13,696 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 20:47:13,697 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 20:47:13,697 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 20:47:13,697 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 20:47:13,697 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 20:47:13,699 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 20:47:13,699 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 20:47:13,699 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 20:47:13,699 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 20:47:13,700 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 20:47:13,700 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 20:47:13,700 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 20:47:13,700 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 20:47:13,702 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 20:47:13,702 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 20:47:13,702 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 20:47:13,702 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 20:47:13,702 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 20:47:13,703 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 20:47:13,703 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 20:47:13,703 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 20:47:13,703 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 20:47:13,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 20:47:13,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 20:47:13,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 20:47:13,776 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 20:47:13,777 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 20:47:13,778 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2.BV.c.cil.c_13.bpl [2018-09-30 20:47:13,778 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2.BV.c.cil.c_13.bpl' [2018-09-30 20:47:13,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 20:47:13,862 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 20:47:13,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 20:47:13,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 20:47:13,864 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 20:47:13,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:47:13" (1/1) ... [2018-09-30 20:47:13,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:47:13" (1/1) ... [2018-09-30 20:47:13,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 20:47:13,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 20:47:13,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 20:47:13,913 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 20:47:13,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:47:13" (1/1) ... [2018-09-30 20:47:13,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:47:13" (1/1) ... [2018-09-30 20:47:13,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:47:13" (1/1) ... [2018-09-30 20:47:13,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:47:13" (1/1) ... [2018-09-30 20:47:13,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:47:13" (1/1) ... [2018-09-30 20:47:13,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:47:13" (1/1) ... [2018-09-30 20:47:13,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:47:13" (1/1) ... [2018-09-30 20:47:13,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 20:47:13,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 20:47:13,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 20:47:13,950 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 20:47:13,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:47:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 20:47:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 20:47:14,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 20:47:14,628 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 20:47:14,629 INFO L202 PluginConnector]: Adding new model s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:47:14 BoogieIcfgContainer [2018-09-30 20:47:14,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 20:47:14,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 20:47:14,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 20:47:14,633 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 20:47:14,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:47:13" (1/2) ... [2018-09-30 20:47:14,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d9e97f and model type s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 08:47:14, skipping insertion in model container [2018-09-30 20:47:14,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:47:14" (2/2) ... [2018-09-30 20:47:14,637 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.BV.c.cil.c_13.bpl [2018-09-30 20:47:14,647 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 20:47:14,657 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 20:47:14,712 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 20:47:14,713 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 20:47:14,714 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 20:47:14,714 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 20:47:14,714 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 20:47:14,714 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 20:47:14,714 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 20:47:14,715 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 20:47:14,715 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 20:47:14,731 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2018-09-30 20:47:14,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:47:14,738 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:47:14,739 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:47:14,740 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:47:14,747 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:47:14,748 INFO L82 PathProgramCache]: Analyzing trace with hash 212232727, now seen corresponding path program 1 times [2018-09-30 20:47:14,750 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:47:14,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:47:14,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:47:14,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:47:14,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:47:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:47:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:47:14,990 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:47:14,991 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 20:47:14,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:47:15,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:47:15,009 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:47:15,011 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 3 states. [2018-09-30 20:47:15,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:47:15,475 INFO L93 Difference]: Finished difference Result 35 states and 52 transitions. [2018-09-30 20:47:15,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:47:15,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-09-30 20:47:15,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:47:15,492 INFO L225 Difference]: With dead ends: 35 [2018-09-30 20:47:15,492 INFO L226 Difference]: Without dead ends: 20 [2018-09-30 20:47:15,495 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 20:47:15,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-09-30 20:47:15,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-09-30 20:47:15,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-09-30 20:47:15,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2018-09-30 20:47:15,538 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 29 transitions. Word has length 8 [2018-09-30 20:47:15,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:47:15,538 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 29 transitions. [2018-09-30 20:47:15,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:47:15,539 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2018-09-30 20:47:15,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 20:47:15,539 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:47:15,539 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:47:15,540 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:47:15,540 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:47:15,540 INFO L82 PathProgramCache]: Analyzing trace with hash -250815121, now seen corresponding path program 1 times [2018-09-30 20:47:15,540 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:47:15,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:47:15,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:47:15,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:47:15,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:47:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:47:15,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:47:15,670 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:47:15,671 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:47:15,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:47:15,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:47:15,676 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:47:15,677 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. Second operand 3 states. [2018-09-30 20:47:15,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:47:15,850 INFO L93 Difference]: Finished difference Result 55 states and 83 transitions. [2018-09-30 20:47:15,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:47:15,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-09-30 20:47:15,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:47:15,853 INFO L225 Difference]: With dead ends: 55 [2018-09-30 20:47:15,853 INFO L226 Difference]: Without dead ends: 36 [2018-09-30 20:47:15,855 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 20:47:15,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-09-30 20:47:15,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-09-30 20:47:15,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-09-30 20:47:15,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 52 transitions. [2018-09-30 20:47:15,864 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 52 transitions. Word has length 11 [2018-09-30 20:47:15,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:47:15,866 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 52 transitions. [2018-09-30 20:47:15,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:47:15,866 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2018-09-30 20:47:15,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 20:47:15,867 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:47:15,868 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:47:15,868 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:47:15,870 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:47:15,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1416638413, now seen corresponding path program 1 times [2018-09-30 20:47:15,871 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:47:15,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:47:15,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:47:15,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:47:15,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:47:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:47:16,015 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-30 20:47:16,015 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:47:16,016 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 20:47:16,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:47:16,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:47:16,020 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:47:16,020 INFO L87 Difference]: Start difference. First operand 36 states and 52 transitions. Second operand 3 states. [2018-09-30 20:47:16,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:47:16,249 INFO L93 Difference]: Finished difference Result 79 states and 115 transitions. [2018-09-30 20:47:16,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:47:16,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-09-30 20:47:16,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:47:16,252 INFO L225 Difference]: With dead ends: 79 [2018-09-30 20:47:16,252 INFO L226 Difference]: Without dead ends: 44 [2018-09-30 20:47:16,253 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 20:47:16,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-09-30 20:47:16,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-09-30 20:47:16,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-09-30 20:47:16,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2018-09-30 20:47:16,279 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 19 [2018-09-30 20:47:16,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:47:16,280 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2018-09-30 20:47:16,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:47:16,280 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2018-09-30 20:47:16,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 20:47:16,284 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:47:16,284 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:47:16,285 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:47:16,285 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:47:16,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1648077349, now seen corresponding path program 1 times [2018-09-30 20:47:16,287 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:47:16,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:47:16,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:47:16,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:47:16,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:47:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:47:16,412 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 20:47:16,412 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:47:16,413 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:47:16,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:47:16,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:47:16,415 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:47:16,415 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand 3 states. [2018-09-30 20:47:16,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:47:16,553 INFO L93 Difference]: Finished difference Result 97 states and 135 transitions. [2018-09-30 20:47:16,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:47:16,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-09-30 20:47:16,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:47:16,556 INFO L225 Difference]: With dead ends: 97 [2018-09-30 20:47:16,556 INFO L226 Difference]: Without dead ends: 54 [2018-09-30 20:47:16,557 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 20:47:16,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-09-30 20:47:16,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2018-09-30 20:47:16,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-09-30 20:47:16,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 65 transitions. [2018-09-30 20:47:16,577 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 65 transitions. Word has length 22 [2018-09-30 20:47:16,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:47:16,577 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 65 transitions. [2018-09-30 20:47:16,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:47:16,577 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2018-09-30 20:47:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 20:47:16,578 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:47:16,579 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:47:16,579 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:47:16,579 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:47:16,579 INFO L82 PathProgramCache]: Analyzing trace with hash 494540487, now seen corresponding path program 1 times [2018-09-30 20:47:16,579 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:47:16,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:47:16,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:47:16,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:47:16,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:47:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:47:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-30 20:47:16,719 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:47:16,719 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:47:16,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:47:16,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:47:16,722 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:47:16,722 INFO L87 Difference]: Start difference. First operand 51 states and 65 transitions. Second operand 3 states. [2018-09-30 20:47:17,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:47:17,102 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2018-09-30 20:47:17,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:47:17,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-09-30 20:47:17,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:47:17,105 INFO L225 Difference]: With dead ends: 80 [2018-09-30 20:47:17,105 INFO L226 Difference]: Without dead ends: 78 [2018-09-30 20:47:17,105 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 20:47:17,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-09-30 20:47:17,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2018-09-30 20:47:17,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-09-30 20:47:17,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2018-09-30 20:47:17,122 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 25 [2018-09-30 20:47:17,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:47:17,122 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2018-09-30 20:47:17,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:47:17,123 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2018-09-30 20:47:17,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 20:47:17,125 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:47:17,125 INFO L375 BasicCegarLoop]: trace histogram [8, 7, 7, 5, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:47:17,125 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:47:17,125 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:47:17,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1543638863, now seen corresponding path program 1 times [2018-09-30 20:47:17,126 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:47:17,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:47:17,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:47:17,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:47:17,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:47:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:47:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 89 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-09-30 20:47:17,278 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 20:47:17,279 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 20:47:17,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:47:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:47:17,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 20:47:17,922 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 89 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-09-30 20:47:17,955 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 20:47:17,955 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-09-30 20:47:17,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 20:47:17,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 20:47:17,956 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:47:17,956 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand 4 states. [2018-09-30 20:47:18,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:47:18,458 INFO L93 Difference]: Finished difference Result 168 states and 215 transitions. [2018-09-30 20:47:18,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 20:47:18,459 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2018-09-30 20:47:18,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:47:18,460 INFO L225 Difference]: With dead ends: 168 [2018-09-30 20:47:18,460 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 20:47:18,461 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time [2018-09-30 20:47:18,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 20:47:18,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 20:47:18,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 20:47:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 20:47:18,462 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2018-09-30 20:47:18,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:47:18,462 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 20:47:18,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 20:47:18,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 20:47:18,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 20:47:18,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 20:47:19,284 WARN L178 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 17 [2018-09-30 20:47:19,405 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2018-09-30 20:47:19,992 WARN L178 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 17 [2018-09-30 20:47:20,323 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 18 [2018-09-30 20:47:20,405 INFO L422 ceAbstractionStarter]: At program point L283(lines 283 302) the Hoare annotation is: (and (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 1)) [2018-09-30 20:47:20,406 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 379) no Hoare annotation was computed. [2018-09-30 20:47:20,406 INFO L422 ceAbstractionStarter]: At program point L275(lines 238 275) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4) .cse0 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~4))) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 1) (and (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~4) .cse0))) [2018-09-30 20:47:20,407 INFO L422 ceAbstractionStarter]: At program point L271(lines 271 284) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4) .cse0 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~4))) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 1) (and (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~4) .cse0))) [2018-09-30 20:47:20,407 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 2 380) no Hoare annotation was computed. [2018-09-30 20:47:20,407 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 2 380) no Hoare annotation was computed. [2018-09-30 20:47:20,407 INFO L422 ceAbstractionStarter]: At program point L251(lines 251 267) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4) .cse0 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~4))) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 1) (and (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~4) .cse0))) [2018-09-30 20:47:20,407 INFO L422 ceAbstractionStarter]: At program point L371(lines 371 378) the Hoare annotation is: false [2018-09-30 20:47:20,408 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 2 380) no Hoare annotation was computed. [2018-09-30 20:47:20,408 INFO L422 ceAbstractionStarter]: At program point L306(lines 301 325) the Hoare annotation is: (and (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) [2018-09-30 20:47:20,408 INFO L422 ceAbstractionStarter]: At program point L348(lines 348 368) the Hoare annotation is: (and (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) [2018-09-30 20:47:20,408 INFO L422 ceAbstractionStarter]: At program point L377(lines 266 377) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4) .cse0 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~4))) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 1) (and (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~4) .cse0))) [2018-09-30 20:47:20,408 INFO L422 ceAbstractionStarter]: At program point L340(lines 340 355) the Hoare annotation is: (and (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) [2018-09-30 20:47:20,409 INFO L422 ceAbstractionStarter]: At program point L295(lines 295 314) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4) .cse0 .cse1) (and (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~4) .cse0) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 1) .cse1))) [2018-09-30 20:47:20,409 INFO L422 ceAbstractionStarter]: At program point L357(lines 354 372) the Hoare annotation is: (and (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) [2018-09-30 20:47:20,409 INFO L422 ceAbstractionStarter]: At program point L324(lines 324 341) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4) .cse0 .cse1) (and (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~4) .cse0) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 1) .cse1))) [2018-09-30 20:47:20,423 INFO L202 PluginConnector]: Adding new model s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 08:47:20 BoogieIcfgContainer [2018-09-30 20:47:20,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 20:47:20,424 INFO L168 Benchmark]: Toolchain (without parser) took 6564.76 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: 245.8 MB). Peak memory consumption was 245.8 MB. Max. memory is 7.1 GB. [2018-09-30 20:47:20,426 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. [2018-09-30 20:47:20,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.86 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 20:47:20,428 INFO L168 Benchmark]: Boogie Preprocessor took 36.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 20:47:20,428 INFO L168 Benchmark]: RCFGBuilder took 679.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-30 20:47:20,430 INFO L168 Benchmark]: TraceAbstraction took 5793.61 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: 214.1 MB). Peak memory consumption was 214.1 MB. Max. memory is 7.1 GB. [2018-09-30 20:47:20,435 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 48.86 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 36.27 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 679.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5793.61 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: 214.1 MB). Peak memory consumption was 214.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 379]: 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: (((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~4 && ssl3_accept_~blastFlag~4 <= 3) && !(8496 == ssl3_accept_~s__state~4)) || ssl3_accept_~blastFlag~4 <= 1) || (8656 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~4 && ssl3_accept_~blastFlag~4 <= 3) && !(8496 == ssl3_accept_~s__state~4)) || (8640 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3)) || (ssl3_accept_~blastFlag~4 <= 1 && !(8496 == ssl3_accept_~s__state~4)) - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: (!(8672 == ssl3_accept_~s__state~4) && 8656 <= ssl3_accept_~s__state~4) && ssl3_accept_~blastFlag~4 <= 3 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~4 && ssl3_accept_~blastFlag~4 <= 3) && !(8496 == ssl3_accept_~s__state~4)) || ssl3_accept_~blastFlag~4 <= 1) || (8656 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~4 && ssl3_accept_~blastFlag~4 <= 3) && !(8496 == ssl3_accept_~s__state~4)) || ssl3_accept_~blastFlag~4 <= 1) || (8656 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: !(8672 == ssl3_accept_~s__state~4) && ssl3_accept_~blastFlag~4 <= 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: !(8672 == ssl3_accept_~s__state~4) && ssl3_accept_~blastFlag~4 <= 3 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~4 && ssl3_accept_~blastFlag~4 <= 3) && !(8496 == ssl3_accept_~s__state~4)) || (8656 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3)) || (ssl3_accept_~blastFlag~4 <= 1 && !(8496 == ssl3_accept_~s__state~4)) - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 8656 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~4 && ssl3_accept_~blastFlag~4 <= 3) && !(8496 == ssl3_accept_~s__state~4)) || ssl3_accept_~blastFlag~4 <= 1) || (8656 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: (!(8672 == ssl3_accept_~s__state~4) && 8656 <= ssl3_accept_~s__state~4) && ssl3_accept_~blastFlag~4 <= 3 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 6 OverallIterations, 8 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 111 SDtfs, 48 SDslu, 52 SDs, 0 SdLazy, 101 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=5, 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, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 103 NumberOfFragments, 188 HoareAnnotationTreeSize, 12 FomulaSimplifications, 1189 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 12 FomulaSimplificationsInter, 163 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 9291 SizeOfPredicates, 2 NumberOfNonLiveVariables, 406 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 282/290 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_2.BV.c.cil.c_13.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_20-47-20-452.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_2.BV.c.cil.c_13.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_20-47-20-452.csv Received shutdown request...