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_35.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:56:41,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:56:41,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:56:41,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:56:41,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:56:41,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:56:41,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:56:41,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:56:41,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:56:41,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:56:41,233 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:56:41,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:56:41,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:56:41,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:56:41,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:56:41,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:56:41,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:56:41,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:56:41,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:56:41,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:56:41,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:56:41,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:56:41,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:56:41,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:56:41,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:56:41,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:56:41,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:56:41,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:56:41,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:56:41,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:56:41,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:56:41,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:56:41,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:56:41,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:56:41,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:56:41,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:56:41,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:56:41,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:56:41,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:56:41,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:56:41,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:56:41,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:56:41,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:56:41,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:56:41,330 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:56:41,331 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:56:41,332 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl [2019-08-05 10:56:41,332 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl' [2019-08-05 10:56:41,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:56:41,401 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:56:41,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:56:41,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:56:41,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:56:41,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:41" (1/1) ... [2019-08-05 10:56:41,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:41" (1/1) ... [2019-08-05 10:56:41,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:56:41,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:56:41,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:56:41,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:56:41,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:41" (1/1) ... [2019-08-05 10:56:41,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:41" (1/1) ... [2019-08-05 10:56:41,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:41" (1/1) ... [2019-08-05 10:56:41,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:41" (1/1) ... [2019-08-05 10:56:41,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:41" (1/1) ... [2019-08-05 10:56:41,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:41" (1/1) ... [2019-08-05 10:56:41,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:41" (1/1) ... [2019-08-05 10:56:41,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:56:41,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:56:41,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:56:41,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:56:41,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:41" (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 10:56:41,577 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 10:56:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 10:56:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 10:56:42,042 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 10:56:42,043 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:56:42,044 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:56:42 BoogieIcfgContainer [2019-08-05 10:56:42,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:56:42,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:56:42,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:56:42,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:56:42,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:56:41" (1/2) ... [2019-08-05 10:56:42,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d09b81 and model type sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:56:42, skipping insertion in model container [2019-08-05 10:56:42,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:56:42" (2/2) ... [2019-08-05 10:56:42,052 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl [2019-08-05 10:56:42,062 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:56:42,069 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:56:42,084 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:56:42,109 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:56:42,110 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:56:42,110 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:56:42,110 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:56:42,110 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:56:42,111 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:56:42,111 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:56:42,111 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:56:42,111 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:56:42,126 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 10:56:42,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:56:42,134 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:56:42,137 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:56:42,139 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:56:42,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:56:42,146 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2019-08-05 10:56:42,195 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:56:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:56:42,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 24 conjunts are in the unsatisfiable core [2019-08-05 10:56:42,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:56:42,442 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 10:56:42,443 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:56:42,485 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:56:42,486 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:56:42,486 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-05 10:56:42,535 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 10:56:42,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:56:42,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:56:42,542 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:56:42,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:56:42,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:56:42,556 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2019-08-05 10:56:42,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:56:42,643 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2019-08-05 10:56:42,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:56:42,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-08-05 10:56:42,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:56:42,656 INFO L225 Difference]: With dead ends: 7 [2019-08-05 10:56:42,656 INFO L226 Difference]: Without dead ends: 7 [2019-08-05 10:56:42,658 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 10:56:42,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-08-05 10:56:42,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-08-05 10:56:42,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-05 10:56:42,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-08-05 10:56:42,699 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-08-05 10:56:42,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:56:42,700 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-08-05 10:56:42,700 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:56:42,700 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-08-05 10:56:42,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 10:56:42,701 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:56:42,701 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-08-05 10:56:42,701 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:56:42,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:56:42,702 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2019-08-05 10:56:42,709 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:56:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:56:42,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 20 conjunts are in the unsatisfiable core [2019-08-05 10:56:42,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:56:42,952 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 13 treesize of output 9 [2019-08-05 10:56:42,953 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:56:42,967 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:56:42,967 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:56:42,968 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-08-05 10:56:43,015 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-08-05 10:56:43,016 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:56:43,021 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:56:43,022 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:56:43,022 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-08-05 10:56:43,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:56:43,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:56:43,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:56:43,050 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:56:43,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:56:43,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:56:43,051 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2019-08-05 10:56:43,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:56:43,137 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2019-08-05 10:56:43,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:56:43,138 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-08-05 10:56:43,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:56:43,138 INFO L225 Difference]: With dead ends: 3 [2019-08-05 10:56:43,138 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 10:56:43,140 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:56:43,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 10:56:43,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 10:56:43,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 10:56:43,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 10:56:43,141 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-08-05 10:56:43,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:56:43,141 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 10:56:43,141 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:56:43,141 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 10:56:43,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 10:56:43,147 INFO L202 PluginConnector]: Adding new model sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_35.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:56:43 BoogieIcfgContainer [2019-08-05 10:56:43,147 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:56:43,149 INFO L168 Benchmark]: Toolchain (without parser) took 1748.06 ms. Allocated memory was 140.5 MB in the beginning and 177.7 MB in the end (delta: 37.2 MB). Free memory was 109.4 MB in the beginning and 135.4 MB in the end (delta: -26.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:56:43,150 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory is still 111.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:56:43,151 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.26 ms. Allocated memory is still 140.5 MB. Free memory was 109.4 MB in the beginning and 107.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 10:56:43,152 INFO L168 Benchmark]: Boogie Preprocessor took 54.00 ms. Allocated memory is still 140.5 MB. Free memory was 107.6 MB in the beginning and 105.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:56:43,153 INFO L168 Benchmark]: RCFGBuilder took 541.64 ms. Allocated memory is still 140.5 MB. Free memory was 105.9 MB in the beginning and 88.8 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:56:43,154 INFO L168 Benchmark]: TraceAbstraction took 1101.82 ms. Allocated memory was 140.5 MB in the beginning and 177.7 MB in the end (delta: 37.2 MB). Free memory was 88.8 MB in the beginning and 135.4 MB in the end (delta: -46.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:56:43,158 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 0.23 ms. Allocated memory is still 140.5 MB. Free memory is still 111.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.26 ms. Allocated memory is still 140.5 MB. Free memory was 109.4 MB in the beginning and 107.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.00 ms. Allocated memory is still 140.5 MB. Free memory was 107.6 MB in the beginning and 105.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 541.64 ms. Allocated memory is still 140.5 MB. Free memory was 105.9 MB in the beginning and 88.8 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1101.82 ms. Allocated memory was 140.5 MB in the beginning and 177.7 MB in the end (delta: 37.2 MB). Free memory was 88.8 MB in the beginning and 135.4 MB in the end (delta: -46.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 189]: 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, 1.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 1 SDslu, 1 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 0.3s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 SizeOfPredicates, 28 NumberOfNonLiveVariables, 249 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...