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/abstractInterpretation/regression/eq/40_framing_condition_with_procedure.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:12:07,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:12:07,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:12:07,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:12:07,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:12:07,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:12:07,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:12:07,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:12:07,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:12:07,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:12:07,337 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:12:07,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:12:07,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:12:07,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:12:07,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:12:07,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:12:07,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:12:07,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:12:07,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:12:07,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:12:07,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:12:07,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:12:07,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:12:07,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:12:07,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 11:12:07,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:12:07,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:12:07,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:12:07,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:12:07,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:12:07,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:12:07,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:12:07,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:12:07,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:12:07,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:12:07,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:12:07,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:12:07,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:12:07,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:12:07,442 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:12:07,443 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:12:07,443 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/40_framing_condition_with_procedure.bpl [2019-08-05 11:12:07,443 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/40_framing_condition_with_procedure.bpl' [2019-08-05 11:12:07,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:12:07,477 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:12:07,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:12:07,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:12:07,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:12:07,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "40_framing_condition_with_procedure.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:07" (1/1) ... [2019-08-05 11:12:07,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "40_framing_condition_with_procedure.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:07" (1/1) ... [2019-08-05 11:12:07,511 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:12:07,511 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:12:07,511 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:12:07,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:12:07,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:12:07,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:12:07,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:12:07,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "40_framing_condition_with_procedure.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:07" (1/1) ... [2019-08-05 11:12:07,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "40_framing_condition_with_procedure.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:07" (1/1) ... [2019-08-05 11:12:07,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "40_framing_condition_with_procedure.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:07" (1/1) ... [2019-08-05 11:12:07,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "40_framing_condition_with_procedure.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:07" (1/1) ... [2019-08-05 11:12:07,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "40_framing_condition_with_procedure.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:07" (1/1) ... [2019-08-05 11:12:07,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "40_framing_condition_with_procedure.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:07" (1/1) ... [2019-08-05 11:12:07,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "40_framing_condition_with_procedure.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:07" (1/1) ... [2019-08-05 11:12:07,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:12:07,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:12:07,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:12:07,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:12:07,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "40_framing_condition_with_procedure.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:07" (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 11:12:07,608 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 11:12:07,608 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 11:12:07,608 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:12:07,608 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:12:07,839 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:12:07,840 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-05 11:12:07,841 INFO L202 PluginConnector]: Adding new model 40_framing_condition_with_procedure.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:12:07 BoogieIcfgContainer [2019-08-05 11:12:07,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:12:07,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:12:07,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:12:07,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:12:07,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "40_framing_condition_with_procedure.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:07" (1/2) ... [2019-08-05 11:12:07,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e926fb5 and model type 40_framing_condition_with_procedure.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:12:07, skipping insertion in model container [2019-08-05 11:12:07,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "40_framing_condition_with_procedure.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:12:07" (2/2) ... [2019-08-05 11:12:07,850 INFO L109 eAbstractionObserver]: Analyzing ICFG 40_framing_condition_with_procedure.bpl [2019-08-05 11:12:07,860 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:12:07,869 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:12:07,886 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:12:07,919 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:12:07,920 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:12:07,920 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:12:07,920 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:12:07,921 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:12:07,921 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:12:07,921 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:12:07,922 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:12:07,922 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:12:07,934 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 11:12:07,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:12:07,943 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:12:07,944 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:12:07,946 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:12:07,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:12:07,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1127, now seen corresponding path program 1 times [2019-08-05 11:12:07,998 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:12:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:12:08,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 11:12:08,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:12:08,110 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 11:12:08,111 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:12:08,127 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:12:08,128 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:12:08,128 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-08-05 11:12:08,166 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 11:12:08,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:12:08,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:12:08,174 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:12:08,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:12:08,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:12:08,204 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2019-08-05 11:12:08,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:12:08,293 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2019-08-05 11:12:08,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:12:08,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 11:12:08,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:12:08,303 INFO L225 Difference]: With dead ends: 7 [2019-08-05 11:12:08,303 INFO L226 Difference]: Without dead ends: 4 [2019-08-05 11:12:08,305 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 11:12:08,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2019-08-05 11:12:08,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2019-08-05 11:12:08,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-08-05 11:12:08,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2019-08-05 11:12:08,335 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 4 transitions. Word has length 2 [2019-08-05 11:12:08,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:12:08,335 INFO L475 AbstractCegarLoop]: Abstraction has 4 states and 4 transitions. [2019-08-05 11:12:08,335 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:12:08,336 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2019-08-05 11:12:08,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 11:12:08,336 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:12:08,336 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 11:12:08,336 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:12:08,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:12:08,337 INFO L82 PathProgramCache]: Analyzing trace with hash 34886, now seen corresponding path program 1 times [2019-08-05 11:12:08,338 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:12:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:12:08,350 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2019-08-05 11:12:08,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:12:08,400 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 11:12:08,400 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:12:08,485 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:12:08,486 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:12:08,486 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2019-08-05 11:12:08,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:12:08,641 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 11:12:08,644 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:12:08,693 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:12:08,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-05 11:12:08,717 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-05 11:12:08,719 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:12:08,740 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:12:08,741 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 11:12:08,742 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:22, output treesize:11 [2019-08-05 11:12:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:12:08,767 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 11:12:08,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2019-08-05 11:12:08,769 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 11:12:08,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 11:12:08,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 11:12:08,770 INFO L87 Difference]: Start difference. First operand 4 states and 4 transitions. Second operand 4 states. [2019-08-05 11:12:08,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:12:08,844 INFO L93 Difference]: Finished difference Result 3 states and 3 transitions. [2019-08-05 11:12:08,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 11:12:08,846 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-08-05 11:12:08,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:12:08,847 INFO L225 Difference]: With dead ends: 3 [2019-08-05 11:12:08,847 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:12:08,848 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 11:12:08,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:12:08,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:12:08,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:12:08,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:12:08,851 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-08-05 11:12:08,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:12:08,851 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:12:08,851 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 11:12:08,852 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:12:08,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:12:08,858 INFO L202 PluginConnector]: Adding new model 40_framing_condition_with_procedure.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:12:08 BoogieIcfgContainer [2019-08-05 11:12:08,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:12:08,862 INFO L168 Benchmark]: Toolchain (without parser) took 1384.75 ms. Allocated memory is still 141.0 MB. Free memory was 110.6 MB in the beginning and 63.1 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:12:08,863 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 141.0 MB. Free memory is still 111.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:12:08,864 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.26 ms. Allocated memory is still 141.0 MB. Free memory was 110.2 MB in the beginning and 108.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:12:08,865 INFO L168 Benchmark]: Boogie Preprocessor took 21.20 ms. Allocated memory is still 141.0 MB. Free memory was 108.1 MB in the beginning and 106.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:12:08,866 INFO L168 Benchmark]: RCFGBuilder took 294.87 ms. Allocated memory is still 141.0 MB. Free memory was 106.8 MB in the beginning and 97.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:12:08,867 INFO L168 Benchmark]: TraceAbstraction took 1016.98 ms. Allocated memory is still 141.0 MB. Free memory was 97.7 MB in the beginning and 63.1 MB in the end (delta: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:12:08,873 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 0.16 ms. Allocated memory is still 141.0 MB. Free memory is still 111.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.26 ms. Allocated memory is still 141.0 MB. Free memory was 110.2 MB in the beginning and 108.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.20 ms. Allocated memory is still 141.0 MB. Free memory was 108.1 MB in the beginning and 106.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 294.87 ms. Allocated memory is still 141.0 MB. Free memory was 106.8 MB in the beginning and 97.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1016.98 ms. Allocated memory is still 141.0 MB. Free memory was 97.7 MB in the beginning and 63.1 MB in the end (delta: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 15]: 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 2 procedures, 6 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 1 SDslu, 1 SDs, 0 SdLazy, 8 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 1 QuantifiedInterpolants, 51 SizeOfPredicates, 1 NumberOfNonLiveVariables, 15 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...