java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum_array.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:38:40,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:38:40,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:38:40,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:38:40,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:38:40,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:38:40,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:38:40,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:38:40,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:38:40,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:38:40,312 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:38:40,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:38:40,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:38:40,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:38:40,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:38:40,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:38:40,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:38:40,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:38:40,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:38:40,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:38:40,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:38:40,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:38:40,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:38:40,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:38:40,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:38:40,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:38:40,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:38:40,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:38:40,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:38:40,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:38:40,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:38:40,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:38:40,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:38:40,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:38:40,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:38:40,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:38:40,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:38:40,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:38:40,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:38:40,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:38:40,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:38:40,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:38:40,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:38:40,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:38:40,381 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:38:40,382 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:38:40,383 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum_array.i_3.bpl [2019-08-04 21:38:40,383 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum_array.i_3.bpl' [2019-08-04 21:38:40,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:38:40,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 21:38:40,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 21:38:40,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 21:38:40,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 21:38:40,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:38:40" (1/1) ... [2019-08-04 21:38:40,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:38:40" (1/1) ... [2019-08-04 21:38:40,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 21:38:40,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:38:40,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:38:40,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:38:40,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:38:40" (1/1) ... [2019-08-04 21:38:40,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:38:40" (1/1) ... [2019-08-04 21:38:40,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:38:40" (1/1) ... [2019-08-04 21:38:40,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:38:40" (1/1) ... [2019-08-04 21:38:40,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:38:40" (1/1) ... [2019-08-04 21:38:40,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:38:40" (1/1) ... [2019-08-04 21:38:40,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:38:40" (1/1) ... [2019-08-04 21:38:40,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:38:40,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:38:40,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:38:40,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:38:40,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:38:40" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-04 21:38:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 21:38:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 21:38:40,897 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 21:38:40,897 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-04 21:38:40,898 INFO L202 PluginConnector]: Adding new model sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:38:40 BoogieIcfgContainer [2019-08-04 21:38:40,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:38:40,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-04 21:38:40,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-04 21:38:40,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-04 21:38:40,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:38:40" (1/2) ... [2019-08-04 21:38:40,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b12ce31 and model type sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.08 09:38:40, skipping insertion in model container [2019-08-04 21:38:40,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:38:40" (2/2) ... [2019-08-04 21:38:40,924 INFO L109 eAbstractionObserver]: Analyzing ICFG sum_array.i_3.bpl [2019-08-04 21:38:40,943 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-04 21:38:40,960 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-04 21:38:40,984 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-04 21:38:41,015 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-04 21:38:41,017 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-04 21:38:41,017 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-04 21:38:41,017 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-04 21:38:41,017 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-04 21:38:41,018 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-04 21:38:41,018 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-04 21:38:41,018 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-04 21:38:41,018 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-04 21:38:41,034 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-08-04 21:38:41,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-08-04 21:38:41,043 INFO L391 BasicCegarLoop]: Found error trace [2019-08-04 21:38:41,044 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-08-04 21:38:41,047 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-04 21:38:41,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-04 21:38:41,053 INFO L82 PathProgramCache]: Analyzing trace with hash 28790250, now seen corresponding path program 1 times [2019-08-04 21:38:41,132 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-04 21:38:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-04 21:38:41,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2019-08-04 21:38:41,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-04 21:38:41,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-04 21:38:41,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-04 21:38:41,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-04 21:38:41,308 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-04 21:38:41,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-04 21:38:41,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-04 21:38:41,322 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2019-08-04 21:38:41,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-04 21:38:41,462 INFO L93 Difference]: Finished difference Result 11 states and 14 transitions. [2019-08-04 21:38:41,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-04 21:38:41,464 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-08-04 21:38:41,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-04 21:38:41,474 INFO L225 Difference]: With dead ends: 11 [2019-08-04 21:38:41,475 INFO L226 Difference]: Without dead ends: 9 [2019-08-04 21:38:41,477 INFO L628 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 [2019-08-04 21:38:41,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-08-04 21:38:41,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-08-04 21:38:41,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-08-04 21:38:41,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2019-08-04 21:38:41,512 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 5 [2019-08-04 21:38:41,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-04 21:38:41,513 INFO L475 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-08-04 21:38:41,513 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-04 21:38:41,513 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-08-04 21:38:41,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-08-04 21:38:41,514 INFO L391 BasicCegarLoop]: Found error trace [2019-08-04 21:38:41,514 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-08-04 21:38:41,514 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-04 21:38:41,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-04 21:38:41,515 INFO L82 PathProgramCache]: Analyzing trace with hash 266557342, now seen corresponding path program 1 times [2019-08-04 21:38:41,516 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-04 21:38:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-04 21:38:41,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 14 conjunts are in the unsatisfiable core [2019-08-04 21:38:41,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-04 21:38:41,833 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-04 21:38:41,834 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-04 21:38:41,916 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-04 21:38:41,917 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-04 21:38:41,934 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2019-08-04 21:38:42,147 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2019-08-04 21:38:42,148 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-04 21:38:42,160 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-04 21:38:42,161 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-04 21:38:42,162 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2019-08-04 21:38:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-08-04 21:38:42,253 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-04 21:38:42,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-08-04 21:38:42,254 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-08-04 21:38:42,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-08-04 21:38:42,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-08-04 21:38:42,255 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand 6 states. [2019-08-04 21:38:42,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-04 21:38:42,540 INFO L93 Difference]: Finished difference Result 7 states and 9 transitions. [2019-08-04 21:38:42,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-08-04 21:38:42,540 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2019-08-04 21:38:42,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-04 21:38:42,541 INFO L225 Difference]: With dead ends: 7 [2019-08-04 21:38:42,541 INFO L226 Difference]: Without dead ends: 0 [2019-08-04 21:38:42,542 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-08-04 21:38:42,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-04 21:38:42,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-04 21:38:42,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-04 21:38:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-04 21:38:42,543 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-08-04 21:38:42,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-04 21:38:42,544 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-04 21:38:42,544 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-08-04 21:38:42,544 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-04 21:38:42,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-04 21:38:42,549 INFO L202 PluginConnector]: Adding new model sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.08 09:38:42 BoogieIcfgContainer [2019-08-04 21:38:42,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-04 21:38:42,553 INFO L168 Benchmark]: Toolchain (without parser) took 2125.61 ms. Allocated memory was 138.4 MB in the beginning and 174.1 MB in the end (delta: 35.7 MB). Free memory was 109.0 MB in the beginning and 135.5 MB in the end (delta: -26.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-04 21:38:42,555 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-04 21:38:42,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.82 ms. Allocated memory is still 138.4 MB. Free memory was 109.0 MB in the beginning and 107.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-04 21:38:42,561 INFO L168 Benchmark]: Boogie Preprocessor took 23.42 ms. Allocated memory is still 138.4 MB. Free memory was 107.3 MB in the beginning and 106.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-04 21:38:42,562 INFO L168 Benchmark]: RCFGBuilder took 408.67 ms. Allocated memory is still 138.4 MB. Free memory was 106.0 MB in the beginning and 95.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-04 21:38:42,565 INFO L168 Benchmark]: TraceAbstraction took 1650.81 ms. Allocated memory was 138.4 MB in the beginning and 174.1 MB in the end (delta: 35.7 MB). Free memory was 94.8 MB in the beginning and 135.5 MB in the end (delta: -40.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-04 21:38:42,571 INFO L335 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 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.82 ms. Allocated memory is still 138.4 MB. Free memory was 109.0 MB in the beginning and 107.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.42 ms. Allocated memory is still 138.4 MB. Free memory was 107.3 MB in the beginning and 106.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 408.67 ms. Allocated memory is still 138.4 MB. Free memory was 106.0 MB in the beginning and 95.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1650.81 ms. Allocated memory was 138.4 MB in the beginning and 174.1 MB in the end (delta: 35.7 MB). Free memory was 94.8 MB in the beginning and 135.5 MB in the end (delta: -40.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 3 SDslu, 1 SDs, 0 SdLazy, 40 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=1, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 329 SizeOfPredicates, 13 NumberOfNonLiveVariables, 64 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...