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/ArrayQuantifierEliminationBug04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:06:01,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:06:01,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:06:01,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:06:01,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:06:01,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:06:01,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:06:01,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:06:01,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:06:01,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:06:01,388 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:06:01,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:06:01,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:06:01,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:06:01,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:06:01,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:06:01,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:06:01,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:06:01,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:06:01,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:06:01,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:06:01,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:06:01,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:06:01,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:06:01,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:06:01,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:06:01,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:06:01,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:06:01,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:06:01,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:06:01,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:06:01,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:06:01,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:06:01,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:06:01,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:06:01,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:06:01,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:06:01,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:06:01,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:06:01,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:06:01,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:06:01,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:06:01,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:06:01,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:06:01,486 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:06:01,487 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:06:01,488 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/ArrayQuantifierEliminationBug04.bpl [2019-08-05 11:06:01,488 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/ArrayQuantifierEliminationBug04.bpl' [2019-08-05 11:06:01,536 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:06:01,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:06:01,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:06:01,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:06:01,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:06:01,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayQuantifierEliminationBug04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:01" (1/1) ... [2019-08-05 11:06:01,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayQuantifierEliminationBug04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:01" (1/1) ... [2019-08-05 11:06:01,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:06:01,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:06:01,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:06:01,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:06:01,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:01" (1/1) ... [2019-08-05 11:06:01,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:01" (1/1) ... [2019-08-05 11:06:01,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:01" (1/1) ... [2019-08-05 11:06:01,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:01" (1/1) ... [2019-08-05 11:06:01,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:01" (1/1) ... [2019-08-05 11:06:01,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:01" (1/1) ... [2019-08-05 11:06:01,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:01" (1/1) ... [2019-08-05 11:06:01,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:06:01,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:06:01,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:06:01,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:06:01,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayQuantifierEliminationBug04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:01" (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 11:06:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-05 11:06:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-05 11:06:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:06:01,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:06:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-05 11:06:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure ~malloc [2019-08-05 11:06:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-05 11:06:02,429 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:06:02,429 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-05 11:06:02,431 INFO L202 PluginConnector]: Adding new model ArrayQuantifierEliminationBug04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:06:02 BoogieIcfgContainer [2019-08-05 11:06:02,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:06:02,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:06:02,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:06:02,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:06:02,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArrayQuantifierEliminationBug04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:01" (1/2) ... [2019-08-05 11:06:02,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba7cbe4 and model type ArrayQuantifierEliminationBug04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:06:02, skipping insertion in model container [2019-08-05 11:06:02,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArrayQuantifierEliminationBug04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:06:02" (2/2) ... [2019-08-05 11:06:02,443 INFO L109 eAbstractionObserver]: Analyzing ICFG ArrayQuantifierEliminationBug04.bpl [2019-08-05 11:06:02,454 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:06:02,465 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:06:02,482 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:06:02,510 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:06:02,511 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:06:02,511 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:06:02,511 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:06:02,512 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:06:02,512 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:06:02,512 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:06:02,512 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:06:02,512 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:06:02,526 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 11:06:02,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 11:06:02,535 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:06:02,536 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 11:06:02,538 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:06:02,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:06:02,546 INFO L82 PathProgramCache]: Analyzing trace with hash 52121, now seen corresponding path program 1 times [2019-08-05 11:06:02,600 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:06:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:06:02,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 26 conjunts are in the unsatisfiable core [2019-08-05 11:06:02,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:06:03,272 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:06:03,273 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 41 [2019-08-05 11:06:03,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:06:03,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:06:03,278 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:06:03,280 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:06:03,621 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-08-05 11:06:03,621 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:06:03,639 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_37|, |v_#memory_$Pointer$.offset_37|], 2=[|v_#memory_$Pointer$.base_36|, |#memory_$Pointer$.base|, |v_#memory_$Pointer$.offset_36|, |#memory_$Pointer$.offset|, |v_#memory_int_40|]} [2019-08-05 11:06:03,819 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 511 treesize of output 15 [2019-08-05 11:06:03,819 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:06:03,987 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-05 11:06:03,988 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:06:04,049 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 511 treesize of output 15 [2019-08-05 11:06:04,049 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-05 11:06:04,187 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-08-05 11:06:04,188 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:06:04,246 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2019-08-05 11:06:04,247 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-05 11:06:04,291 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:06:04,303 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2019-08-05 11:06:04,304 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-05 11:06:04,425 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-08-05 11:06:04,425 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:06:04,492 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2019-08-05 11:06:04,493 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-05 11:06:04,639 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-08-05 11:06:04,639 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:06:04,645 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2019-08-05 11:06:04,645 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-05 11:06:04,659 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:06:04,659 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_40| vanished before elimination [2019-08-05 11:06:04,661 INFO L496 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-1 vars, 7 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:06:04,661 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 17 variables, input treesize:1121, output treesize:3 [2019-08-05 11:06:04,677 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 11:06:04,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:06:04,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 11:06:04,684 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:06:04,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:06:04,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:06:04,703 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2019-08-05 11:06:04,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:06:04,759 INFO L93 Difference]: Finished difference Result 4 states and 3 transitions. [2019-08-05 11:06:04,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:06:04,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-08-05 11:06:04,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:06:04,770 INFO L225 Difference]: With dead ends: 4 [2019-08-05 11:06:04,770 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:06:04,772 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 11:06:04,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:06:04,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:06:04,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:06:04,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:06:04,804 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-08-05 11:06:04,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:06:04,805 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:06:04,805 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:06:04,805 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:06:04,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:06:04,811 INFO L202 PluginConnector]: Adding new model ArrayQuantifierEliminationBug04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:06:04 BoogieIcfgContainer [2019-08-05 11:06:04,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:06:04,814 INFO L168 Benchmark]: Toolchain (without parser) took 3276.19 ms. Allocated memory was 134.7 MB in the beginning and 169.3 MB in the end (delta: 34.6 MB). Free memory was 110.6 MB in the beginning and 89.4 MB in the end (delta: 21.2 MB). Peak memory consumption was 55.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:04,815 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 112.2 MB in the beginning and 112.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:06:04,816 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.98 ms. Allocated memory is still 134.7 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 11:06:04,817 INFO L168 Benchmark]: Boogie Preprocessor took 45.53 ms. Allocated memory is still 134.7 MB. Free memory was 108.5 MB in the beginning and 107.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:04,818 INFO L168 Benchmark]: RCFGBuilder took 779.14 ms. Allocated memory is still 134.7 MB. Free memory was 106.9 MB in the beginning and 82.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:04,819 INFO L168 Benchmark]: TraceAbstraction took 2379.11 ms. Allocated memory was 134.7 MB in the beginning and 169.3 MB in the end (delta: 34.6 MB). Free memory was 82.6 MB in the beginning and 89.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:04,824 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 134.7 MB. Free memory was 112.2 MB in the beginning and 112.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 65.98 ms. Allocated memory is still 134.7 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 45.53 ms. Allocated memory is still 134.7 MB. Free memory was 108.5 MB in the beginning and 107.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 779.14 ms. Allocated memory is still 134.7 MB. Free memory was 106.9 MB in the beginning and 82.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2379.11 ms. Allocated memory was 134.7 MB in the beginning and 169.3 MB in the end (delta: 34.6 MB). Free memory was 82.6 MB in the beginning and 89.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 30]: 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, 6 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 20 NumberOfNonLiveVariables, 54 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...