java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2.cil.c_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:29:08,015 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:29:08,017 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:29:08,030 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:29:08,030 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:29:08,031 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:29:08,032 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:29:08,034 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:29:08,036 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:29:08,037 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:29:08,038 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:29:08,038 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:29:08,039 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:29:08,040 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:29:08,041 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:29:08,042 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:29:08,043 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:29:08,045 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:29:08,047 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:29:08,048 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:29:08,049 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:29:08,051 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:29:08,053 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:29:08,054 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:29:08,054 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:29:08,055 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:29:08,056 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:29:08,056 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:29:08,057 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:29:08,058 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:29:08,059 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:29:08,059 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-25 13:29:08,062 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-07-25 13:29:08,069 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:29:08,070 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:29:08,071 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 13:29:08,071 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 13:29:08,071 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:29:08,071 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-25 13:29:08,072 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 13:29:08,072 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:29:08,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:29:08,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:29:08,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:29:08,133 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:29:08,134 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:29:08,135 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2.cil.c_16.bpl [2018-07-25 13:29:08,135 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2.cil.c_16.bpl' [2018-07-25 13:29:08,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:29:08,211 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:29:08,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:29:08,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:29:08,212 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:29:08,234 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 25.07 01:29:08" (1/1) ... [2018-07-25 13:29:08,250 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 25.07 01:29:08" (1/1) ... [2018-07-25 13:29:08,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:29:08,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:29:08,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:29:08,258 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:29:08,270 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 25.07 01:29:08" (1/1) ... [2018-07-25 13:29:08,270 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 25.07 01:29:08" (1/1) ... [2018-07-25 13:29:08,273 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 25.07 01:29:08" (1/1) ... [2018-07-25 13:29:08,273 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 25.07 01:29:08" (1/1) ... [2018-07-25 13:29:08,281 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 25.07 01:29:08" (1/1) ... [2018-07-25 13:29:08,284 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 25.07 01:29:08" (1/1) ... [2018-07-25 13:29:08,286 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 25.07 01:29:08" (1/1) ... [2018-07-25 13:29:08,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:29:08,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:29:08,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:29:08,291 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:29:08,292 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 25.07 01:29:08" (1/1) ... [2018-07-25 13:29:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 13:29:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 13:29:08,767 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 13:29:08,768 INFO L202 PluginConnector]: Adding new model s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:29:08 BoogieIcfgContainer [2018-07-25 13:29:08,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:29:08,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:29:08,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:29:08,773 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:29:08,774 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 25.07 01:29:08" (1/2) ... [2018-07-25 13:29:08,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516c722 and model type s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:29:08, skipping insertion in model container [2018-07-25 13:29:08,775 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 25.07 01:29:08" (2/2) ... [2018-07-25 13:29:08,778 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil.c_16.bpl [2018-07-25 13:29:08,788 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:29:08,798 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:29:08,852 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:29:08,854 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:29:08,854 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:29:08,855 INFO L376 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-25 13:29:08,855 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:29:08,855 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:29:08,855 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:29:08,855 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:29:08,856 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:29:08,871 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-07-25 13:29:08,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-25 13:29:08,880 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:29:08,881 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:29:08,882 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:29:08,888 INFO L82 PathProgramCache]: Analyzing trace with hash 212232665, now seen corresponding path program 1 times [2018-07-25 13:29:08,895 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:29:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:29:09,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 13:29:09,028 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:29:09,028 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 13:29:09,032 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 13:29:09,044 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 13:29:09,045 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 13:29:09,047 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2018-07-25 13:29:09,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:29:09,097 INFO L93 Difference]: Finished difference Result 22 states and 32 transitions. [2018-07-25 13:29:09,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 13:29:09,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-07-25 13:29:09,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:29:09,113 INFO L225 Difference]: With dead ends: 22 [2018-07-25 13:29:09,113 INFO L226 Difference]: Without dead ends: 12 [2018-07-25 13:29:09,117 INFO L574 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 [2018-07-25 13:29:09,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-25 13:29:09,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-07-25 13:29:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-07-25 13:29:09,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2018-07-25 13:29:09,159 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 16 transitions. Word has length 8 [2018-07-25 13:29:09,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:29:09,160 INFO L472 AbstractCegarLoop]: Abstraction has 12 states and 16 transitions. [2018-07-25 13:29:09,160 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 13:29:09,160 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-07-25 13:29:09,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-25 13:29:09,161 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:29:09,161 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:29:09,161 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:29:09,162 INFO L82 PathProgramCache]: Analyzing trace with hash -250815183, now seen corresponding path program 1 times [2018-07-25 13:29:09,162 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:29:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:29:09,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 13:29:09,209 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:29:09,210 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:29:09,211 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 13:29:09,212 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 13:29:09,212 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 13:29:09,213 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. Second operand 3 states. [2018-07-25 13:29:09,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:29:09,256 INFO L93 Difference]: Finished difference Result 25 states and 35 transitions. [2018-07-25 13:29:09,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 13:29:09,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-07-25 13:29:09,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:29:09,258 INFO L225 Difference]: With dead ends: 25 [2018-07-25 13:29:09,258 INFO L226 Difference]: Without dead ends: 16 [2018-07-25 13:29:09,259 INFO L574 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 [2018-07-25 13:29:09,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-07-25 13:29:09,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-07-25 13:29:09,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-07-25 13:29:09,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2018-07-25 13:29:09,264 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 11 [2018-07-25 13:29:09,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:29:09,265 INFO L472 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2018-07-25 13:29:09,265 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 13:29:09,265 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-07-25 13:29:09,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-07-25 13:29:09,266 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:29:09,266 INFO L354 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:29:09,266 INFO L415 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:29:09,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1947459099, now seen corresponding path program 1 times [2018-07-25 13:29:09,267 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:29:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:29:09,316 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-07-25 13:29:09,316 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:29:09,318 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:29:09,319 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 13:29:09,319 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 13:29:09,319 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 13:29:09,320 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand 3 states. [2018-07-25 13:29:09,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:29:09,384 INFO L93 Difference]: Finished difference Result 35 states and 47 transitions. [2018-07-25 13:29:09,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 13:29:09,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-07-25 13:29:09,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:29:09,385 INFO L225 Difference]: With dead ends: 35 [2018-07-25 13:29:09,386 INFO L226 Difference]: Without dead ends: 22 [2018-07-25 13:29:09,386 INFO L574 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 [2018-07-25 13:29:09,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-07-25 13:29:09,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-07-25 13:29:09,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-07-25 13:29:09,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2018-07-25 13:29:09,392 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2018-07-25 13:29:09,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:29:09,393 INFO L472 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2018-07-25 13:29:09,393 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 13:29:09,393 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-07-25 13:29:09,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-07-25 13:29:09,394 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:29:09,394 INFO L354 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:29:09,395 INFO L415 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:29:09,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1373628612, now seen corresponding path program 1 times [2018-07-25 13:29:09,395 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:29:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:29:09,454 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 13:29:09,455 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-25 13:29:09,455 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-25 13:29:09,455 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 13:29:09,456 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 13:29:09,456 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-25 13:29:09,456 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 5 states. [2018-07-25 13:29:09,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:29:09,535 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2018-07-25 13:29:09,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-25 13:29:09,536 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-07-25 13:29:09,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:29:09,538 INFO L225 Difference]: With dead ends: 37 [2018-07-25 13:29:09,538 INFO L226 Difference]: Without dead ends: 35 [2018-07-25 13:29:09,539 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-25 13:29:09,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-25 13:29:09,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-07-25 13:29:09,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-25 13:29:09,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2018-07-25 13:29:09,561 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 43 transitions. Word has length 21 [2018-07-25 13:29:09,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:29:09,562 INFO L472 AbstractCegarLoop]: Abstraction has 35 states and 43 transitions. [2018-07-25 13:29:09,562 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 13:29:09,562 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2018-07-25 13:29:09,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-07-25 13:29:09,563 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:29:09,563 INFO L354 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2018-07-25 13:29:09,564 INFO L415 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:29:09,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1513717881, now seen corresponding path program 2 times [2018-07-25 13:29:09,564 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:29:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:29:09,612 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-07-25 13:29:09,613 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:29:09,613 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:29:09,613 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 13:29:09,613 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 13:29:09,614 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 13:29:09,614 INFO L87 Difference]: Start difference. First operand 35 states and 43 transitions. Second operand 3 states. [2018-07-25 13:29:09,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:29:09,673 INFO L93 Difference]: Finished difference Result 79 states and 103 transitions. [2018-07-25 13:29:09,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 13:29:09,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-07-25 13:29:09,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:29:09,676 INFO L225 Difference]: With dead ends: 79 [2018-07-25 13:29:09,676 INFO L226 Difference]: Without dead ends: 47 [2018-07-25 13:29:09,677 INFO L574 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 [2018-07-25 13:29:09,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-07-25 13:29:09,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-07-25 13:29:09,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-25 13:29:09,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2018-07-25 13:29:09,697 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 31 [2018-07-25 13:29:09,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:29:09,698 INFO L472 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2018-07-25 13:29:09,698 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 13:29:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2018-07-25 13:29:09,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-25 13:29:09,701 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:29:09,702 INFO L354 BasicCegarLoop]: trace histogram [7, 6, 6, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1] [2018-07-25 13:29:09,702 INFO L415 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:29:09,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1217592621, now seen corresponding path program 1 times [2018-07-25 13:29:09,706 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:29:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:29:09,770 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-07-25 13:29:09,771 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:29:09,771 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:29:09,771 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 13:29:09,772 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 13:29:09,772 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 13:29:09,772 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand 3 states. [2018-07-25 13:29:09,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:29:09,809 INFO L93 Difference]: Finished difference Result 103 states and 127 transitions. [2018-07-25 13:29:09,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 13:29:09,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-07-25 13:29:09,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:29:09,814 INFO L225 Difference]: With dead ends: 103 [2018-07-25 13:29:09,814 INFO L226 Difference]: Without dead ends: 57 [2018-07-25 13:29:09,815 INFO L574 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 [2018-07-25 13:29:09,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-25 13:29:09,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-25 13:29:09,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-25 13:29:09,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 65 transitions. [2018-07-25 13:29:09,838 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 65 transitions. Word has length 38 [2018-07-25 13:29:09,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:29:09,840 INFO L472 AbstractCegarLoop]: Abstraction has 57 states and 65 transitions. [2018-07-25 13:29:09,840 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 13:29:09,841 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 65 transitions. [2018-07-25 13:29:09,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-25 13:29:09,842 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:29:09,843 INFO L354 BasicCegarLoop]: trace histogram [8, 7, 7, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2018-07-25 13:29:09,843 INFO L415 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:29:09,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1341887865, now seen corresponding path program 1 times [2018-07-25 13:29:09,843 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:29:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:29:09,898 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-07-25 13:29:09,898 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-25 13:29:09,898 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-25 13:29:09,899 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 13:29:09,899 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 13:29:09,899 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:29:09,900 INFO L87 Difference]: Start difference. First operand 57 states and 65 transitions. Second operand 4 states. [2018-07-25 13:29:09,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:29:09,959 INFO L93 Difference]: Finished difference Result 92 states and 104 transitions. [2018-07-25 13:29:09,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-25 13:29:09,960 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-07-25 13:29:09,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:29:09,964 INFO L225 Difference]: With dead ends: 92 [2018-07-25 13:29:09,964 INFO L226 Difference]: Without dead ends: 0 [2018-07-25 13:29:09,966 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-25 13:29:09,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-25 13:29:09,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-25 13:29:09,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-25 13:29:09,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-25 13:29:09,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-07-25 13:29:09,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:29:09,968 INFO L472 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-25 13:29:09,968 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 13:29:09,968 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-25 13:29:09,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-25 13:29:09,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-25 13:29:10,190 INFO L418 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 (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= 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)))) [2018-07-25 13:29:10,191 INFO L418 ceAbstractionStarter]: At program point L383(lines 383 398) the Hoare annotation is: false [2018-07-25 13:29:10,191 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 400) the Hoare annotation is: true [2018-07-25 13:29:10,191 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 400) no Hoare annotation was computed. [2018-07-25 13:29:10,191 INFO L422 ceAbstractionStarter]: For program point L326(lines 321 345) no Hoare annotation was computed. [2018-07-25 13:29:10,192 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 400) the Hoare annotation is: false [2018-07-25 13:29:10,192 INFO L418 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)) [2018-07-25 13:29:10,194 INFO L418 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 (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= 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)))) [2018-07-25 13:29:10,194 INFO L422 ceAbstractionStarter]: For program point L360(lines 360 375) no Hoare annotation was computed. [2018-07-25 13:29:10,195 INFO L418 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 (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse0 .cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~5)))) [2018-07-25 13:29:10,195 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 399) the Hoare annotation is: false [2018-07-25 13:29:10,195 INFO L422 ceAbstractionStarter]: For program point L377(lines 374 392) no Hoare annotation was computed. [2018-07-25 13:29:10,196 INFO L418 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 (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= 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))) [2018-07-25 13:29:10,196 INFO L422 ceAbstractionStarter]: For program point L303(lines 303 322) no Hoare annotation was computed. [2018-07-25 13:29:10,197 INFO L418 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 (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= 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)))) [2018-07-25 13:29:10,198 INFO L418 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 (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= 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)))) [2018-07-25 13:29:10,218 INFO L202 PluginConnector]: Adding new model s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 01:29:10 BoogieIcfgContainer [2018-07-25 13:29:10,218 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 13:29:10,219 INFO L168 Benchmark]: Toolchain (without parser) took 2008.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-07-25 13:29:10,221 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:29:10,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.31 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:29:10,223 INFO L168 Benchmark]: Boogie Preprocessor took 32.44 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:29:10,224 INFO L168 Benchmark]: RCFGBuilder took 477.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 13:29:10,225 INFO L168 Benchmark]: TraceAbstraction took 1448.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2018-07-25 13:29:10,230 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 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.31 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.44 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 477.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1448.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 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 == 2 && 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: 344]: Loop Invariant Derived loop invariant: (((ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5) || (ssl3_accept_~blastFlag~5 == 2 && 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: 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 == 2 && 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 == 2 && 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: 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 == 2 && 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 == 2 && 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, 1.3s OverallTime, 7 OverallIterations, 8 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 92 SDtfs, 15 SDslu, 47 SDs, 0 SdLazy, 117 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=6, 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 50 NumberOfFragments, 256 HoareAnnotationTreeSize, 11 FomulaSimplifications, 99 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 39 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 7026 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 268/286 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_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-29-10-248.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_2.cil.c_16.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_13-29-10-248.csv Received shutdown request...