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/random/RanFile086.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:03:48,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:03:48,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:03:48,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:03:48,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:03:48,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:03:48,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:03:48,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:03:48,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:03:48,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:03:48,301 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:03:48,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:03:48,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:03:48,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:03:48,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:03:48,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:03:48,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:03:48,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:03:48,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:03:48,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:03:48,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:03:48,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:03:48,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:03:48,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:03:48,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:03:48,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:03:48,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:03:48,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:03:48,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:03:48,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:03:48,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:03:48,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:03:48,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:03:48,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:03:48,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:03:48,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:03:48,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:03:48,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:03:48,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:03:48,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:03:48,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:03:48,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:03:48,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:03:48,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:03:48,403 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:03:48,403 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:03:48,404 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/random/RanFile086.bpl [2019-08-05 10:03:48,405 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/random/RanFile086.bpl' [2019-08-05 10:03:48,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:03:48,444 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:03:48,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:03:48,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:03:48,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:03:48,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "RanFile086.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:48" (1/1) ... [2019-08-05 10:03:48,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "RanFile086.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:48" (1/1) ... [2019-08-05 10:03:48,476 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:03:48,476 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:03:48,476 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:03:48,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:03:48,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:03:48,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:03:48,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:03:48,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RanFile086.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:48" (1/1) ... [2019-08-05 10:03:48,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RanFile086.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:48" (1/1) ... [2019-08-05 10:03:48,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RanFile086.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:48" (1/1) ... [2019-08-05 10:03:48,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RanFile086.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:48" (1/1) ... [2019-08-05 10:03:48,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RanFile086.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:48" (1/1) ... [2019-08-05 10:03:48,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RanFile086.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:48" (1/1) ... [2019-08-05 10:03:48,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RanFile086.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:48" (1/1) ... [2019-08-05 10:03:48,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:03:48,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:03:48,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:03:48,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:03:48,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RanFile086.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:48" (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 10:03:48,576 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 10:03:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 10:03:48,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 10:03:49,375 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:03:49,376 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:03:49,377 INFO L202 PluginConnector]: Adding new model RanFile086.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:03:49 BoogieIcfgContainer [2019-08-05 10:03:49,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:03:49,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:03:49,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:03:49,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:03:49,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "RanFile086.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:48" (1/2) ... [2019-08-05 10:03:49,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f75a148 and model type RanFile086.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:03:49, skipping insertion in model container [2019-08-05 10:03:49,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "RanFile086.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:03:49" (2/2) ... [2019-08-05 10:03:49,386 INFO L109 eAbstractionObserver]: Analyzing ICFG RanFile086.bpl [2019-08-05 10:03:49,395 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:03:49,404 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-08-05 10:03:49,416 INFO L252 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-08-05 10:03:49,442 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:03:49,443 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:03:49,443 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:03:49,443 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:03:49,444 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:03:49,444 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:03:49,444 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:03:49,444 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:03:49,444 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:03:49,459 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-08-05 10:03:49,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-08-05 10:03:49,468 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:03:49,468 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:03:49,471 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:03:49,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:03:49,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1813102076, now seen corresponding path program 1 times [2019-08-05 10:03:49,523 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:03:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:03:49,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:03:49,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:03:49,616 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 10:03:49,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:03:49,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:03:49,623 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:03:49,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:03:49,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:03:49,638 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. [2019-08-05 10:03:49,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:03:49,796 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2019-08-05 10:03:49,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:03:49,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-08-05 10:03:49,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:03:49,810 INFO L225 Difference]: With dead ends: 24 [2019-08-05 10:03:49,811 INFO L226 Difference]: Without dead ends: 22 [2019-08-05 10:03:49,813 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 10:03:49,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-08-05 10:03:49,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2019-08-05 10:03:49,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-08-05 10:03:49,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 27 transitions. [2019-08-05 10:03:49,854 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 27 transitions. Word has length 8 [2019-08-05 10:03:49,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:03:49,855 INFO L475 AbstractCegarLoop]: Abstraction has 18 states and 27 transitions. [2019-08-05 10:03:49,855 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:03:49,855 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2019-08-05 10:03:49,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-08-05 10:03:49,856 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:03:49,856 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:03:49,857 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:03:49,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:03:49,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1885452978, now seen corresponding path program 1 times [2019-08-05 10:03:49,859 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:03:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:03:49,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2019-08-05 10:03:49,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:03:50,078 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 10:03:50,078 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:03:50,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-08-05 10:03:50,080 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-08-05 10:03:50,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-08-05 10:03:50,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:03:50,081 INFO L87 Difference]: Start difference. First operand 18 states and 27 transitions. Second operand 5 states. [2019-08-05 10:03:50,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:03:50,698 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2019-08-05 10:03:50,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 10:03:50,699 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-08-05 10:03:50,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:03:50,700 INFO L225 Difference]: With dead ends: 31 [2019-08-05 10:03:50,700 INFO L226 Difference]: Without dead ends: 31 [2019-08-05 10:03:50,702 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:03:50,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-08-05 10:03:50,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 19. [2019-08-05 10:03:50,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-08-05 10:03:50,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 29 transitions. [2019-08-05 10:03:50,713 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 29 transitions. Word has length 9 [2019-08-05 10:03:50,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:03:50,714 INFO L475 AbstractCegarLoop]: Abstraction has 19 states and 29 transitions. [2019-08-05 10:03:50,714 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-08-05 10:03:50,714 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2019-08-05 10:03:50,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-08-05 10:03:50,715 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:03:50,715 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:03:50,718 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:03:50,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:03:50,718 INFO L82 PathProgramCache]: Analyzing trace with hash -371589397, now seen corresponding path program 1 times [2019-08-05 10:03:50,719 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:03:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:03:50,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 8 conjunts are in the unsatisfiable core [2019-08-05 10:03:50,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:03:50,785 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:50,964 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-08-05 10:03:51,072 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:51,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:51,255 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 18 [2019-08-05 10:03:51,258 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 10:03:51,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:03:51,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-08-05 10:03:51,259 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-08-05 10:03:51,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-08-05 10:03:51,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-08-05 10:03:51,260 INFO L87 Difference]: Start difference. First operand 19 states and 29 transitions. Second operand 6 states. [2019-08-05 10:03:51,684 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2019-08-05 10:03:51,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:03:51,690 INFO L93 Difference]: Finished difference Result 18 states and 26 transitions. [2019-08-05 10:03:51,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-08-05 10:03:51,691 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-08-05 10:03:51,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:03:51,692 INFO L225 Difference]: With dead ends: 18 [2019-08-05 10:03:51,692 INFO L226 Difference]: Without dead ends: 18 [2019-08-05 10:03:51,693 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-08-05 10:03:51,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-08-05 10:03:51,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-08-05 10:03:51,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-08-05 10:03:51,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 26 transitions. [2019-08-05 10:03:51,697 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 26 transitions. Word has length 9 [2019-08-05 10:03:51,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:03:51,697 INFO L475 AbstractCegarLoop]: Abstraction has 18 states and 26 transitions. [2019-08-05 10:03:51,698 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-08-05 10:03:51,698 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2019-08-05 10:03:51,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-08-05 10:03:51,698 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:03:51,699 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:03:51,699 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:03:51,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:03:51,699 INFO L82 PathProgramCache]: Analyzing trace with hash 166636356, now seen corresponding path program 2 times [2019-08-05 10:03:51,700 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:03:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:03:51,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2019-08-05 10:03:51,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:03:51,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-08-05 10:03:51,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:03:51,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:03:51,772 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:03:51,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:03:51,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:03:51,773 INFO L87 Difference]: Start difference. First operand 18 states and 26 transitions. Second operand 3 states. [2019-08-05 10:03:51,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:03:51,838 INFO L93 Difference]: Finished difference Result 13 states and 17 transitions. [2019-08-05 10:03:51,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:03:51,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-08-05 10:03:51,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:03:51,839 INFO L225 Difference]: With dead ends: 13 [2019-08-05 10:03:51,839 INFO L226 Difference]: Without dead ends: 11 [2019-08-05 10:03:51,840 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 10:03:51,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-08-05 10:03:51,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-08-05 10:03:51,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-08-05 10:03:51,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-08-05 10:03:51,842 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 10 [2019-08-05 10:03:51,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:03:51,842 INFO L475 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-08-05 10:03:51,843 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:03:51,843 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2019-08-05 10:03:51,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-08-05 10:03:51,843 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:03:51,843 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:03:51,844 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:03:51,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:03:51,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1365630694, now seen corresponding path program 1 times [2019-08-05 10:03:51,845 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:03:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:03:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:03:51,932 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 10:03:51,955 INFO L202 PluginConnector]: Adding new model RanFile086.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:03:51 BoogieIcfgContainer [2019-08-05 10:03:51,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:03:51,965 INFO L168 Benchmark]: Toolchain (without parser) took 3520.37 ms. Allocated memory was 134.7 MB in the beginning and 168.8 MB in the end (delta: 34.1 MB). Free memory was 111.1 MB in the beginning and 79.0 MB in the end (delta: 32.1 MB). Peak memory consumption was 66.2 MB. Max. memory is 7.1 GB. [2019-08-05 10:03:51,966 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 134.7 MB. Free memory is still 112.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:03:51,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.92 ms. Allocated memory is still 134.7 MB. Free memory was 110.7 MB in the beginning and 109.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:03:51,968 INFO L168 Benchmark]: Boogie Preprocessor took 25.80 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 107.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:03:51,968 INFO L168 Benchmark]: RCFGBuilder took 872.21 ms. Allocated memory is still 134.7 MB. Free memory was 107.7 MB in the beginning and 84.4 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:03:51,970 INFO L168 Benchmark]: TraceAbstraction took 2582.92 ms. Allocated memory was 134.7 MB in the beginning and 168.8 MB in the end (delta: 34.1 MB). Free memory was 84.0 MB in the beginning and 79.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 39.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:03:51,977 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 134.7 MB. Free memory is still 112.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 33.92 ms. Allocated memory is still 134.7 MB. Free memory was 110.7 MB in the beginning and 109.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.80 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 107.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 872.21 ms. Allocated memory is still 134.7 MB. Free memory was 107.7 MB in the beginning and 84.4 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2582.92 ms. Allocated memory was 134.7 MB in the beginning and 168.8 MB in the end (delta: 34.1 MB). Free memory was 84.0 MB in the beginning and 79.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 39.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 54]: assertion can be violated assertion can be violated We found a FailurePath: [L9] vuiiwzs := vuiiwzs + 47 + oesehyb + 68; [L10] COND TRUE vuiiwzs > zjwdcwa + 92 + oesehyb - 94 [L13] zjwdcwa := zjwdcwa + zjwdcwa + vuiiwzs + 25 + vuiiwzs; [L14] COND FALSE !(emntcyx < 0 - 5 + zjwdcwa && qrrswwv > 41 + vuiiwzs + vuiiwzs) [L17] emntcyx := emntcyx + qrrswwv + 67 + 7 + qrrswwv; [L18] COND FALSE !(emntcyx > 64 + vuiiwzs + emntcyx && zjwdcwa > 50 - vuiiwzs + 0) VAL [emntcyx=1981, oesehyb=-235, qrrswwv=461, vuiiwzs=597, zjwdcwa=991] [L21] COND FALSE !(emntcyx < zjwdcwa + vuiiwzs + 100 && emntcyx > 67 - vuiiwzs - 37 - zjwdcwa) VAL [emntcyx=1981, oesehyb=-235, qrrswwv=461, vuiiwzs=597, zjwdcwa=991] [L24] COND FALSE !(vuiiwzs < 34 + qrrswwv + 100 || emntcyx < 46 - 36 - 20) [L26] COND TRUE emntcyx > zjwdcwa - 15 + 31 + 67 VAL [emntcyx=1981, oesehyb=-235, qrrswwv=461, vuiiwzs=597, zjwdcwa=991] [L29] COND FALSE !(vuiiwzs < 43 + 85 + 61 + 100 || zjwdcwa < 5 - oesehyb + 96 + 95) [L32] vuiiwzs := vuiiwzs + oesehyb + 51; [L33] COND TRUE vuiiwzs > 29 - emntcyx - 0 + 35 - 35 || zjwdcwa > 95 + vuiiwzs + qrrswwv + 22 [L34] zjwdcwa := zjwdcwa + oesehyb + 4; [L37] COND TRUE vuiiwzs > 80 + 4 - vuiiwzs - oesehyb + zjwdcwa || zjwdcwa < emntcyx - oesehyb + oesehyb VAL [emntcyx=1981, oesehyb=-235, qrrswwv=461, vuiiwzs=413, zjwdcwa=760] [L40] COND FALSE !(zjwdcwa < vuiiwzs + 18 + 91 + 100) VAL [emntcyx=1981, oesehyb=-235, qrrswwv=461, vuiiwzs=413, zjwdcwa=760] [L42] COND FALSE !(qrrswwv < 87 + oesehyb + 100 && vuiiwzs < qrrswwv + qrrswwv - 51) VAL [emntcyx=1981, oesehyb=-235, qrrswwv=461, vuiiwzs=413, zjwdcwa=760] [L45] COND FALSE !(qrrswwv < 98 + oesehyb + vuiiwzs + 85 + 100 || emntcyx < qrrswwv + zjwdcwa + zjwdcwa) [L47] qrrswwv := qrrswwv + zjwdcwa + qrrswwv + oesehyb; [L48] COND TRUE emntcyx > 21 - 73 + 51 VAL [emntcyx=1981, oesehyb=-235, qrrswwv=1447, vuiiwzs=413, zjwdcwa=760] [L52] assert vuiiwzs > 78 + 52 || emntcyx < emntcyx + 63 + emntcyx; VAL [emntcyx=1981, oesehyb=-235, qrrswwv=1447, vuiiwzs=413, zjwdcwa=760] [L53] assert zjwdcwa > 55 - qrrswwv + qrrswwv - 18 + oesehyb || vuiiwzs > 46 - emntcyx + qrrswwv; VAL [emntcyx=1981, oesehyb=-235, qrrswwv=1447, vuiiwzs=413, zjwdcwa=760] [L54] assert emntcyx < 17 + 2 + zjwdcwa; VAL [emntcyx=1981, oesehyb=-235, qrrswwv=1447, vuiiwzs=413, zjwdcwa=760] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 3 error locations. UNSAFE Result, 2.5s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 41 SDtfs, 35 SDslu, 9 SDs, 0 SdLazy, 166 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=2, 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, 4 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 2278 SizeOfPredicates, 2 NumberOfNonLiveVariables, 122 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 3/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...