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/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:56:21,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:56:21,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:56:21,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:56:21,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:56:21,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:56:21,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:56:21,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:56:21,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:56:21,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:56:21,085 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:56:21,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:56:21,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:56:21,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:56:21,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:56:21,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:56:21,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:56:21,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:56:21,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:56:21,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:56:21,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:56:21,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:56:21,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:56:21,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:56:21,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 10:56:21,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:56:21,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:56:21,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:56:21,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:56:21,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:56:21,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:56:21,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:56:21,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:56:21,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:56:21,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:56:21,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:56:21,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:56:21,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:56:21,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:56:21,203 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:56:21,203 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:56:21,204 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl [2019-08-05 10:56:21,205 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl' [2019-08-05 10:56:21,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:56:21,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:56:21,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:56:21,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:56:21,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:56:21,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:21" (1/1) ... [2019-08-05 10:56:21,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:21" (1/1) ... [2019-08-05 10:56:21,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:56:21,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:56:21,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:56:21,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:56:21,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:21" (1/1) ... [2019-08-05 10:56:21,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:21" (1/1) ... [2019-08-05 10:56:21,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:21" (1/1) ... [2019-08-05 10:56:21,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:21" (1/1) ... [2019-08-05 10:56:21,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:21" (1/1) ... [2019-08-05 10:56:21,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:21" (1/1) ... [2019-08-05 10:56:21,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:21" (1/1) ... [2019-08-05 10:56:21,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:56:21,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:56:21,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:56:21,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:56:21,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:21" (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 10:56:21,462 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 10:56:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 10:56:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 10:56:21,894 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 10:56:21,894 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:56:21,896 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:56:21 BoogieIcfgContainer [2019-08-05 10:56:21,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:56:21,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:56:21,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:56:21,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:56:21,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:21" (1/2) ... [2019-08-05 10:56:21,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1bd092 and model type sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:56:21, skipping insertion in model container [2019-08-05 10:56:21,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:56:21" (2/2) ... [2019-08-05 10:56:21,904 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl [2019-08-05 10:56:21,913 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:56:21,920 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:56:21,935 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:56:21,958 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:56:21,958 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:56:21,959 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:56:21,959 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:56:21,959 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:56:21,959 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:56:21,959 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:56:21,960 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:56:21,960 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:56:21,971 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 10:56:21,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:56:21,979 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:56:21,980 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:56:21,983 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:56:21,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:56:21,989 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2019-08-05 10:56:22,041 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:56:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:56:22,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 28 conjunts are in the unsatisfiable core [2019-08-05 10:56:22,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:56:22,353 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-08-05 10:56:22,353 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:56:22,401 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:56:22,411 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-08-05 10:56:22,412 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 10:56:22,453 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:56:22,455 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 10:56:22,455 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:24 [2019-08-05 10:56:22,519 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 10:56:22,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:56:22,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:56:22,527 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:56:22,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:56:22,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:56:22,540 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2019-08-05 10:56:22,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:56:22,609 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2019-08-05 10:56:22,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:56:22,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-08-05 10:56:22,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:56:22,621 INFO L225 Difference]: With dead ends: 7 [2019-08-05 10:56:22,621 INFO L226 Difference]: Without dead ends: 7 [2019-08-05 10:56:22,623 INFO L628 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 [2019-08-05 10:56:22,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-08-05 10:56:22,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-08-05 10:56:22,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-05 10:56:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-08-05 10:56:22,650 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-08-05 10:56:22,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:56:22,651 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-08-05 10:56:22,651 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:56:22,651 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-08-05 10:56:22,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 10:56:22,652 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:56:22,652 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-08-05 10:56:22,652 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:56:22,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:56:22,653 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2019-08-05 10:56:22,654 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:56:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:56:22,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 36 conjunts are in the unsatisfiable core [2019-08-05 10:56:22,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:56:22,980 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 [2019-08-05 10:56:22,980 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:56:23,071 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:56:23,095 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 [2019-08-05 10:56:23,095 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 10:56:23,147 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:56:23,148 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 10:56:23,149 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:19 [2019-08-05 10:56:23,289 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:56:23,290 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 11 treesize of output 15 [2019-08-05 10:56:23,290 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:56:23,303 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:56:23,311 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:56:23,311 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 10:56:23,356 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:56:23,357 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:56:23,357 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:25, output treesize:9 [2019-08-05 10:56:23,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:56:23,450 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:56:23,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-08-05 10:56:23,452 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:56:23,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:56:23,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:56:23,453 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2019-08-05 10:56:23,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:56:23,498 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2019-08-05 10:56:23,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:56:23,499 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-08-05 10:56:23,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:56:23,501 INFO L225 Difference]: With dead ends: 5 [2019-08-05 10:56:23,501 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 10:56:23,502 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:56:23,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 10:56:23,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 10:56:23,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 10:56:23,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 10:56:23,503 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-08-05 10:56:23,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:56:23,503 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 10:56:23,503 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:56:23,504 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 10:56:23,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 10:56:23,510 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_47.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:56:23 BoogieIcfgContainer [2019-08-05 10:56:23,510 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:56:23,512 INFO L168 Benchmark]: Toolchain (without parser) took 2213.06 ms. Allocated memory was 142.1 MB in the beginning and 175.6 MB in the end (delta: 33.6 MB). Free memory was 110.8 MB in the beginning and 112.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2019-08-05 10:56:23,513 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 142.1 MB. Free memory was 112.9 MB in the beginning and 112.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 10:56:23,515 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.43 ms. Allocated memory is still 142.1 MB. Free memory was 110.6 MB in the beginning and 108.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 10:56:23,515 INFO L168 Benchmark]: Boogie Preprocessor took 52.57 ms. Allocated memory is still 142.1 MB. Free memory was 108.8 MB in the beginning and 107.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 10:56:23,517 INFO L168 Benchmark]: RCFGBuilder took 496.57 ms. Allocated memory is still 142.1 MB. Free memory was 107.2 MB in the beginning and 89.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:56:23,518 INFO L168 Benchmark]: TraceAbstraction took 1613.23 ms. Allocated memory was 142.1 MB in the beginning and 175.6 MB in the end (delta: 33.6 MB). Free memory was 89.1 MB in the beginning and 112.4 MB in the end (delta: -23.2 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:56:23,522 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 0.25 ms. Allocated memory is still 142.1 MB. Free memory was 112.9 MB in the beginning and 112.7 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 46.43 ms. Allocated memory is still 142.1 MB. Free memory was 110.6 MB in the beginning and 108.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.57 ms. Allocated memory is still 142.1 MB. Free memory was 108.8 MB in the beginning and 107.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 496.57 ms. Allocated memory is still 142.1 MB. Free memory was 107.2 MB in the beginning and 89.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1613.23 ms. Allocated memory was 142.1 MB in the beginning and 175.6 MB in the end (delta: 33.6 MB). Free memory was 89.1 MB in the beginning and 112.4 MB in the end (delta: -23.2 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 223]: 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, 1.5s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 2 QuantifiedInterpolants, 394 SizeOfPredicates, 44 NumberOfNonLiveVariables, 390 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...