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/quantifier/Arrays/Arrays07.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:06:11,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:06:11,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:06:11,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:06:11,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:06:11,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:06:11,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:06:11,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:06:11,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:06:11,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:06:11,265 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:06:11,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:06:11,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:06:11,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:06:11,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:06:11,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:06:11,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:06:11,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:06:11,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:06:11,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:06:11,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:06:11,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:06:11,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:06:11,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:06:11,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:06:11,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:06:11,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:06:11,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:06:11,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:06:11,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:06:11,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:06:11,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:06:11,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:06:11,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:06:11,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:06:11,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:06:11,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:06:11,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:06:11,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:06:11,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:06:11,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:06:11,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:06:11,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:06:11,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:06:11,364 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:06:11,365 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:06:11,366 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/Arrays/Arrays07.bpl [2019-08-05 11:06:11,366 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/Arrays/Arrays07.bpl' [2019-08-05 11:06:11,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:06:11,407 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:06:11,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:06:11,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:06:11,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:06:11,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Arrays07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:11" (1/1) ... [2019-08-05 11:06:11,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Arrays07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:11" (1/1) ... [2019-08-05 11:06:11,448 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:06:11,448 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:06:11,448 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:06:11,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:06:11,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:06:11,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:06:11,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:06:11,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Arrays07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:11" (1/1) ... [2019-08-05 11:06:11,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Arrays07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:11" (1/1) ... [2019-08-05 11:06:11,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Arrays07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:11" (1/1) ... [2019-08-05 11:06:11,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Arrays07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:11" (1/1) ... [2019-08-05 11:06:11,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Arrays07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:11" (1/1) ... [2019-08-05 11:06:11,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Arrays07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:11" (1/1) ... [2019-08-05 11:06:11,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Arrays07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:11" (1/1) ... [2019-08-05 11:06:11,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:06:11,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:06:11,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:06:11,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:06:11,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Arrays07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:11" (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 [2019-08-05 11:06:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:06:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:06:11,842 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:06:11,842 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:06:11,845 INFO L202 PluginConnector]: Adding new model Arrays07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:06:11 BoogieIcfgContainer [2019-08-05 11:06:11,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:06:11,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:06:11,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:06:11,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:06:11,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Arrays07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:11" (1/2) ... [2019-08-05 11:06:11,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72373c81 and model type Arrays07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:06:11, skipping insertion in model container [2019-08-05 11:06:11,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Arrays07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:06:11" (2/2) ... [2019-08-05 11:06:11,854 INFO L109 eAbstractionObserver]: Analyzing ICFG Arrays07.bpl [2019-08-05 11:06:11,864 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:06:11,874 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-08-05 11:06:11,891 INFO L252 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-08-05 11:06:11,920 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:06:11,921 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:06:11,921 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:06:11,921 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:06:11,921 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:06:11,921 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:06:11,922 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:06:11,922 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:06:11,922 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:06:11,936 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-08-05 11:06:11,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 11:06:11,944 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:06:11,945 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 11:06:11,948 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr5ASSERT_VIOLATIONASSERT, mainErr3ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT, mainErr4ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:06:11,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:06:11,954 INFO L82 PathProgramCache]: Analyzing trace with hash 29888, now seen corresponding path program 1 times [2019-08-05 11:06:12,001 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:06:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:06:12,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 11:06:12,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:06:12,410 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-08-05 11:06:12,412 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:06:12,413 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 18 treesize of output 82 [2019-08-05 11:06:12,415 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:06:12,781 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2019-08-05 11:06:12,781 INFO L567 ElimStorePlain]: treesize reduction 40, result has 51.2 percent of original size [2019-08-05 11:06:12,783 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:06:12,784 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:42 [2019-08-05 11:06:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:06:12,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:06:12,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:06:12,845 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:06:12,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:06:12,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:06:12,862 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2019-08-05 11:06:13,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:06:13,068 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2019-08-05 11:06:13,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:06:13,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-08-05 11:06:13,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:06:13,080 INFO L225 Difference]: With dead ends: 16 [2019-08-05 11:06:13,080 INFO L226 Difference]: Without dead ends: 14 [2019-08-05 11:06:13,082 INFO L628 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 [2019-08-05 11:06:13,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-08-05 11:06:13,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-08-05 11:06:13,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-08-05 11:06:13,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2019-08-05 11:06:13,109 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 3 [2019-08-05 11:06:13,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:06:13,110 INFO L475 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2019-08-05 11:06:13,110 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:06:13,110 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2019-08-05 11:06:13,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-08-05 11:06:13,110 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:06:13,111 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-08-05 11:06:13,111 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr5ASSERT_VIOLATIONASSERT, mainErr3ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT, mainErr4ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:06:13,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:06:13,112 INFO L82 PathProgramCache]: Analyzing trace with hash 28852680, now seen corresponding path program 1 times [2019-08-05 11:06:13,113 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:06:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:06:13,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 11:06:13,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:06:13,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:06:13,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:06:13,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 11:06:13,150 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:06:13,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:06:13,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:06:13,151 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 3 states. [2019-08-05 11:06:13,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:06:13,174 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2019-08-05 11:06:13,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:06:13,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-08-05 11:06:13,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:06:13,176 INFO L225 Difference]: With dead ends: 14 [2019-08-05 11:06:13,176 INFO L226 Difference]: Without dead ends: 14 [2019-08-05 11:06:13,177 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:06:13,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-08-05 11:06:13,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-08-05 11:06:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-08-05 11:06:13,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2019-08-05 11:06:13,180 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 5 [2019-08-05 11:06:13,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:06:13,180 INFO L475 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2019-08-05 11:06:13,180 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:06:13,180 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2019-08-05 11:06:13,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 11:06:13,181 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:06:13,181 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-08-05 11:06:13,183 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr5ASSERT_VIOLATIONASSERT, mainErr3ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT, mainErr4ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:06:13,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:06:13,183 INFO L82 PathProgramCache]: Analyzing trace with hash 890438191, now seen corresponding path program 1 times [2019-08-05 11:06:13,184 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:06:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:06:13,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2019-08-05 11:06:13,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:06:13,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:06:13,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:06:13,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 11:06:13,250 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:06:13,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:06:13,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:06:13,251 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 3 states. [2019-08-05 11:06:13,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:06:13,264 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2019-08-05 11:06:13,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:06:13,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-08-05 11:06:13,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:06:13,265 INFO L225 Difference]: With dead ends: 6 [2019-08-05 11:06:13,266 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:06:13,266 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:06:13,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:06:13,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:06:13,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:06:13,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:06:13,267 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-08-05 11:06:13,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:06:13,267 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:06:13,267 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:06:13,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:06:13,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:06:13,273 INFO L202 PluginConnector]: Adding new model Arrays07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:06:13 BoogieIcfgContainer [2019-08-05 11:06:13,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:06:13,276 INFO L168 Benchmark]: Toolchain (without parser) took 1867.95 ms. Allocated memory was 133.2 MB in the beginning and 170.9 MB in the end (delta: 37.7 MB). Free memory was 110.6 MB in the beginning and 133.7 MB in the end (delta: -23.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:13,276 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory is still 111.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:06:13,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.06 ms. Allocated memory is still 133.2 MB. Free memory was 110.6 MB in the beginning and 108.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:13,279 INFO L168 Benchmark]: Boogie Preprocessor took 27.49 ms. Allocated memory is still 133.2 MB. Free memory was 108.5 MB in the beginning and 107.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:13,279 INFO L168 Benchmark]: RCFGBuilder took 365.66 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 96.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:13,280 INFO L168 Benchmark]: TraceAbstraction took 1427.00 ms. Allocated memory was 133.2 MB in the beginning and 170.9 MB in the end (delta: 37.7 MB). Free memory was 95.8 MB in the beginning and 133.7 MB in the end (delta: -37.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:06:13,284 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 133.2 MB. Free memory is still 111.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.06 ms. Allocated memory is still 133.2 MB. Free memory was 110.6 MB in the beginning and 108.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.49 ms. Allocated memory is still 133.2 MB. Free memory was 108.5 MB in the beginning and 107.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 365.66 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 96.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1427.00 ms. Allocated memory was 133.2 MB in the beginning and 170.9 MB in the end (delta: 37.7 MB). Free memory was 95.8 MB in the beginning and 133.7 MB in the end (delta: -37.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 34]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 30]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 28]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 23]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 32]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 26]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 6 error locations. SAFE Result, 1.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13 SDtfs, 32 SDslu, 0 SDs, 0 SdLazy, 24 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 237 SizeOfPredicates, 1 NumberOfNonLiveVariables, 28 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...