java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2.cil.c_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 12:28:03,186 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 12:28:03,188 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 12:28:03,202 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 12:28:03,202 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 12:28:03,203 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 12:28:03,204 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 12:28:03,206 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 12:28:03,208 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 12:28:03,209 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 12:28:03,210 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-04 12:28:03,235 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-04 12:28:03,261 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 12:28:03,262 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 12:28:03,263 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 12:28:03,263 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 12:28:03,264 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 12:28:03,264 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 12:28:03,264 INFO L133 SettingsManager]: * Use SBE=true [2018-10-04 12:28:03,264 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 12:28:03,265 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 12:28:03,266 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 12:28:03,266 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 12:28:03,266 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 12:28:03,266 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 12:28:03,266 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 12:28:03,266 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 12:28:03,267 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 12:28:03,267 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 12:28:03,267 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 12:28:03,267 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 12:28:03,267 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-04 12:28:03,268 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 12:28:03,269 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-04 12:28:03,269 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 12:28:03,269 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 12:28:03,270 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 12:28:03,270 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 12:28:03,270 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-04 12:28:03,270 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 12:28:03,270 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 12:28:03,270 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 12:28:03,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 12:28:03,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 12:28:03,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 12:28:03,348 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 12:28:03,349 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 12:28:03,350 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2.cil.c_16.bpl [2018-10-04 12:28:03,350 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2.cil.c_16.bpl' [2018-10-04 12:28:03,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 12:28:03,445 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 12:28:03,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 12:28:03,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 12:28:03,447 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 12:28:03,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:28:03" (1/1) ... [2018-10-04 12:28:03,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:28:03" (1/1) ... [2018-10-04 12:28:03,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 12:28:03,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 12:28:03,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 12:28:03,505 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 12:28:03,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:28:03" (1/1) ... [2018-10-04 12:28:03,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:28:03" (1/1) ... [2018-10-04 12:28:03,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:28:03" (1/1) ... [2018-10-04 12:28:03,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:28:03" (1/1) ... [2018-10-04 12:28:03,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:28:03" (1/1) ... [2018-10-04 12:28:03,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:28:03" (1/1) ... [2018-10-04 12:28:03,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:28:03" (1/1) ... [2018-10-04 12:28:03,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 12:28:03,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 12:28:03,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 12:28:03,566 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 12:28:03,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:28:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 12:28:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 12:28:03,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 12:28:04,203 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 12:28:04,204 INFO L202 PluginConnector]: Adding new model s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:28:04 BoogieIcfgContainer [2018-10-04 12:28:04,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 12:28:04,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-04 12:28:04,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-04 12:28:04,209 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-04 12:28:04,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:28:03" (1/2) ... [2018-10-04 12:28:04,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634909 and model type s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 12:28:04, skipping insertion in model container [2018-10-04 12:28:04,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:28:04" (2/2) ... [2018-10-04 12:28:04,213 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil.c_16.bpl [2018-10-04 12:28:04,221 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-04 12:28:04,230 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-04 12:28:04,280 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-04 12:28:04,281 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-04 12:28:04,281 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-04 12:28:04,281 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-04 12:28:04,281 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-04 12:28:04,281 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-04 12:28:04,281 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-04 12:28:04,282 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-04 12:28:04,282 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-04 12:28:04,299 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2018-10-04 12:28:04,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 12:28:04,306 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:28:04,307 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:28:04,309 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:28:04,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 12:28:04,314 INFO L82 PathProgramCache]: Analyzing trace with hash 212232665, now seen corresponding path program 1 times [2018-10-04 12:28:04,317 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:28:04,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:28:04,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:04,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:28:04,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:28:04,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 12:28:04,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:28:04,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 12:28:04,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:28:04,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:28:04,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 12:28:04,570 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 3 states. [2018-10-04 12:28:04,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:28:04,688 INFO L93 Difference]: Finished difference Result 31 states and 45 transitions. [2018-10-04 12:28:04,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:28:04,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-10-04 12:28:04,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:28:04,703 INFO L225 Difference]: With dead ends: 31 [2018-10-04 12:28:04,704 INFO L226 Difference]: Without dead ends: 16 [2018-10-04 12:28:04,711 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 12:28:04,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-10-04 12:28:04,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-10-04 12:28:04,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-10-04 12:28:04,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2018-10-04 12:28:04,748 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 22 transitions. Word has length 8 [2018-10-04 12:28:04,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:28:04,748 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 22 transitions. [2018-10-04 12:28:04,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:28:04,748 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2018-10-04 12:28:04,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 12:28:04,749 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:28:04,749 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:28:04,750 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:28:04,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 12:28:04,750 INFO L82 PathProgramCache]: Analyzing trace with hash -250815183, now seen corresponding path program 1 times [2018-10-04 12:28:04,750 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:28:04,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:28:04,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:04,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:28:04,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:28:04,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 12:28:04,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:28:04,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:28:04,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:28:04,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:28:04,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 12:28:04,886 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. Second operand 3 states. [2018-10-04 12:28:05,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:28:05,083 INFO L93 Difference]: Finished difference Result 33 states and 47 transitions. [2018-10-04 12:28:05,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:28:05,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-10-04 12:28:05,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:28:05,084 INFO L225 Difference]: With dead ends: 33 [2018-10-04 12:28:05,084 INFO L226 Difference]: Without dead ends: 20 [2018-10-04 12:28:05,086 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 12:28:05,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-10-04 12:28:05,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-10-04 12:28:05,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-10-04 12:28:05,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2018-10-04 12:28:05,091 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 26 transitions. Word has length 11 [2018-10-04 12:28:05,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:28:05,092 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 26 transitions. [2018-10-04 12:28:05,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:28:05,092 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-10-04 12:28:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 12:28:05,093 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:28:05,093 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:28:05,094 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:28:05,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 12:28:05,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1316450759, now seen corresponding path program 1 times [2018-10-04 12:28:05,094 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:28:05,095 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:28:05,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:05,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:28:05,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:28:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-04 12:28:05,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:28:05,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:28:05,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:28:05,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:28:05,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 12:28:05,212 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. Second operand 3 states. [2018-10-04 12:28:05,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:28:05,412 INFO L93 Difference]: Finished difference Result 43 states and 59 transitions. [2018-10-04 12:28:05,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:28:05,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-10-04 12:28:05,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:28:05,414 INFO L225 Difference]: With dead ends: 43 [2018-10-04 12:28:05,414 INFO L226 Difference]: Without dead ends: 26 [2018-10-04 12:28:05,415 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 12:28:05,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-10-04 12:28:05,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-10-04 12:28:05,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-10-04 12:28:05,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2018-10-04 12:28:05,422 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 17 [2018-10-04 12:28:05,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:28:05,423 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2018-10-04 12:28:05,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:28:05,424 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2018-10-04 12:28:05,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 12:28:05,425 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:28:05,425 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:28:05,425 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:28:05,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 12:28:05,426 INFO L82 PathProgramCache]: Analyzing trace with hash 494540425, now seen corresponding path program 1 times [2018-10-04 12:28:05,426 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:28:05,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:28:05,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:05,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:28:05,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:28:05,577 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-04 12:28:05,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:28:05,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:28:05,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:28:05,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:28:05,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 12:28:05,580 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand 3 states. [2018-10-04 12:28:05,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:28:05,734 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2018-10-04 12:28:05,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:28:05,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-10-04 12:28:05,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:28:05,736 INFO L225 Difference]: With dead ends: 45 [2018-10-04 12:28:05,736 INFO L226 Difference]: Without dead ends: 43 [2018-10-04 12:28:05,736 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 12:28:05,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-10-04 12:28:05,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2018-10-04 12:28:05,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-10-04 12:28:05,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 53 transitions. [2018-10-04 12:28:05,746 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 53 transitions. Word has length 25 [2018-10-04 12:28:05,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:28:05,746 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 53 transitions. [2018-10-04 12:28:05,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:28:05,747 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2018-10-04 12:28:05,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 12:28:05,748 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:28:05,748 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:28:05,748 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:28:05,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 12:28:05,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1892631291, now seen corresponding path program 1 times [2018-10-04 12:28:05,749 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:28:05,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:28:05,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:05,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:28:05,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:28:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-04 12:28:05,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:28:05,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:28:05,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:28:05,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:28:05,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 12:28:05,862 INFO L87 Difference]: Start difference. First operand 42 states and 53 transitions. Second operand 3 states. [2018-10-04 12:28:05,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:28:05,931 INFO L93 Difference]: Finished difference Result 82 states and 105 transitions. [2018-10-04 12:28:05,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:28:05,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-10-04 12:28:05,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:28:05,933 INFO L225 Difference]: With dead ends: 82 [2018-10-04 12:28:05,933 INFO L226 Difference]: Without dead ends: 43 [2018-10-04 12:28:05,935 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 12:28:05,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-10-04 12:28:05,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-10-04 12:28:05,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-10-04 12:28:05,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2018-10-04 12:28:05,945 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 25 [2018-10-04 12:28:05,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:28:05,945 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2018-10-04 12:28:05,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:28:05,946 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2018-10-04 12:28:05,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 12:28:05,947 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:28:05,947 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:28:05,948 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:28:05,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 12:28:05,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1225606051, now seen corresponding path program 1 times [2018-10-04 12:28:05,948 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:28:05,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:28:05,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:05,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:28:05,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:28:06,049 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-04 12:28:06,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:28:06,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:28:06,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:28:06,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:28:06,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 12:28:06,052 INFO L87 Difference]: Start difference. First operand 43 states and 54 transitions. Second operand 3 states. [2018-10-04 12:28:06,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:28:06,203 INFO L93 Difference]: Finished difference Result 95 states and 125 transitions. [2018-10-04 12:28:06,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:28:06,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-10-04 12:28:06,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:28:06,206 INFO L225 Difference]: With dead ends: 95 [2018-10-04 12:28:06,206 INFO L226 Difference]: Without dead ends: 55 [2018-10-04 12:28:06,208 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 12:28:06,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-10-04 12:28:06,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-10-04 12:28:06,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-04 12:28:06,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2018-10-04 12:28:06,217 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 66 transitions. Word has length 39 [2018-10-04 12:28:06,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:28:06,218 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 66 transitions. [2018-10-04 12:28:06,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:28:06,218 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2018-10-04 12:28:06,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 12:28:06,219 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:28:06,220 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:28:06,220 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:28:06,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 12:28:06,220 INFO L82 PathProgramCache]: Analyzing trace with hash -2017163281, now seen corresponding path program 1 times [2018-10-04 12:28:06,221 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:28:06,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:28:06,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:06,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:28:06,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:28:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-04 12:28:06,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:28:06,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:28:06,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:28:06,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:28:06,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 12:28:06,324 INFO L87 Difference]: Start difference. First operand 55 states and 66 transitions. Second operand 3 states. [2018-10-04 12:28:06,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:28:06,462 INFO L93 Difference]: Finished difference Result 119 states and 149 transitions. [2018-10-04 12:28:06,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:28:06,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-10-04 12:28:06,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:28:06,465 INFO L225 Difference]: With dead ends: 119 [2018-10-04 12:28:06,466 INFO L226 Difference]: Without dead ends: 65 [2018-10-04 12:28:06,466 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 12:28:06,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-10-04 12:28:06,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-10-04 12:28:06,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-10-04 12:28:06,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 76 transitions. [2018-10-04 12:28:06,477 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 76 transitions. Word has length 46 [2018-10-04 12:28:06,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:28:06,477 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 76 transitions. [2018-10-04 12:28:06,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:28:06,478 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2018-10-04 12:28:06,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 12:28:06,479 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:28:06,479 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] [2018-10-04 12:28:06,480 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:28:06,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 12:28:06,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1034165711, now seen corresponding path program 1 times [2018-10-04 12:28:06,480 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:28:06,481 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:28:06,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:06,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:28:06,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:28:06,672 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 89 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-04 12:28:06,672 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:28:06,673 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 12:28:06,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:28:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:28:06,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:28:06,837 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 89 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-04 12:28:06,870 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:28:06,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-10-04 12:28:06,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-04 12:28:06,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-04 12:28:06,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-04 12:28:06,872 INFO L87 Difference]: Start difference. First operand 65 states and 76 transitions. Second operand 4 states. [2018-10-04 12:28:07,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:28:07,162 INFO L93 Difference]: Finished difference Result 106 states and 123 transitions. [2018-10-04 12:28:07,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-04 12:28:07,162 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2018-10-04 12:28:07,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:28:07,163 INFO L225 Difference]: With dead ends: 106 [2018-10-04 12:28:07,163 INFO L226 Difference]: Without dead ends: 0 [2018-10-04 12:28:07,164 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-04 12:28:07,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-04 12:28:07,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-04 12:28:07,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-04 12:28:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-04 12:28:07,166 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2018-10-04 12:28:07,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:28:07,166 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-04 12:28:07,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-04 12:28:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-04 12:28:07,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 12:28:07,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-04 12:28:07,592 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2018-10-04 12:28:07,964 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 18 [2018-10-04 12:28:08,222 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2018-10-04 12:28:08,472 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 24 [2018-10-04 12:28:08,491 INFO L421 ceAbstractionStarter]: At program point L271(lines 271 287) the Hoare annotation is: (let ((.cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8464)) (and .cse1 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8448)) (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse1 .cse0 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 1) (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)))) [2018-10-04 12:28:08,491 INFO L421 ceAbstractionStarter]: At program point L383(lines 383 398) the Hoare annotation is: false [2018-10-04 12:28:08,491 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 400) no Hoare annotation was computed. [2018-10-04 12:28:08,491 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 400) no Hoare annotation was computed. [2018-10-04 12:28:08,492 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 399) no Hoare annotation was computed. [2018-10-04 12:28:08,492 INFO L421 ceAbstractionStarter]: At program point L326(lines 321 345) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)) [2018-10-04 12:28:08,492 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 400) no Hoare annotation was computed. [2018-10-04 12:28:08,492 INFO L421 ceAbstractionStarter]: At program point L368(lines 368 384) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) [2018-10-04 12:28:08,492 INFO L421 ceAbstractionStarter]: At program point L397(lines 286 397) the Hoare annotation is: (let ((.cse0 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8448)) (and .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse0 .cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 1) (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)))) [2018-10-04 12:28:08,493 INFO L421 ceAbstractionStarter]: At program point L360(lines 360 375) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) [2018-10-04 12:28:08,493 INFO L421 ceAbstractionStarter]: At program point L315(lines 315 334) the Hoare annotation is: (let ((.cse0 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8448)) (and .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse0 .cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~5)))) [2018-10-04 12:28:08,493 INFO L421 ceAbstractionStarter]: At program point L377(lines 374 392) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) [2018-10-04 12:28:08,493 INFO L421 ceAbstractionStarter]: At program point L344(lines 344 361) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5) .cse0 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~5)) (<= ULTIMATE.start_ssl3_accept_~s__state~5 8448))) [2018-10-04 12:28:08,494 INFO L421 ceAbstractionStarter]: At program point L303(lines 303 322) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_accept_~s__state~5 8496) (= ULTIMATE.start_ssl3_accept_~blastFlag~5 1)) [2018-10-04 12:28:08,494 INFO L421 ceAbstractionStarter]: At program point L295(lines 258 295) the Hoare annotation is: (let ((.cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8464)) (and .cse1 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8448)) (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse1 .cse0 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 1) (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)))) [2018-10-04 12:28:08,494 INFO L421 ceAbstractionStarter]: At program point L291(lines 291 304) the Hoare annotation is: (let ((.cse0 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8448)) (and .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse0 .cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 1) (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)))) [2018-10-04 12:28:08,507 INFO L202 PluginConnector]: Adding new model s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 12:28:08 BoogieIcfgContainer [2018-10-04 12:28:08,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-04 12:28:08,509 INFO L168 Benchmark]: Toolchain (without parser) took 5064.59 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. [2018-10-04 12:28:08,510 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 12:28:08,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.32 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 12:28:08,511 INFO L168 Benchmark]: Boogie Preprocessor took 57.05 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 12:28:08,512 INFO L168 Benchmark]: RCFGBuilder took 641.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-04 12:28:08,513 INFO L168 Benchmark]: TraceAbstraction took 4302.32 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. [2018-10-04 12:28:08,517 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 58.32 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 57.05 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 641.82 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 4302.32 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: 399]: 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 <= 3 && ssl3_accept_~s__state~5 == 8464) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__state~5 <= 8448)) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8656)) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && 8640 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 == 1 && ssl3_accept_~s__state~5 == 8496) - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: ssl3_accept_~s__state~5 == 8496 && ssl3_accept_~blastFlag~5 == 1 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8656 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: (((ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5) || (ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8656)) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && 8640 <= ssl3_accept_~s__state~5)) || ssl3_accept_~s__state~5 <= 8448 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8656 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: (((((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__state~5 <= 8448) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8656)) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && 8640 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 == 1 && ssl3_accept_~s__state~5 == 8496) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((((ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8464) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__state~5 <= 8448)) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8656)) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && 8640 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 == 1 && ssl3_accept_~s__state~5 == 8496) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8496 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: ((((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__state~5 <= 8448) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8656)) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && 8640 <= ssl3_accept_~s__state~5) - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__state~5 <= 8448) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8656)) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && 8640 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 == 1 && ssl3_accept_~s__state~5 == 8496) - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: false - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. SAFE Result, 4.2s OverallTime, 8 OverallIterations, 8 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 150 SDtfs, 32 SDslu, 67 SDs, 0 SdLazy, 125 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=7, 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, 8 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 57 NumberOfFragments, 281 HoareAnnotationTreeSize, 12 FomulaSimplifications, 135 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 57 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 13414 SizeOfPredicates, 2 NumberOfNonLiveVariables, 410 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 429/437 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.cil.c_16.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-04_12-28-08-534.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_2.cil.c_16.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-04_12-28-08-534.csv Received shutdown request...