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/RanFile095.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:02:24,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:02:24,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:02:24,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:02:24,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:02:24,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:02:24,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:02:24,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:02:24,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:02:24,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:02:24,106 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:02:24,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:02:24,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:02:24,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:02:24,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:02:24,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:02:24,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:02:24,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:02:24,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:02:24,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:02:24,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:02:24,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:02:24,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:02:24,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:02:24,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:02:24,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:02:24,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:02:24,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:02:24,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:02:24,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:02:24,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:02:24,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:02:24,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:02:24,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:02:24,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:02:24,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:02:24,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:02:24,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:02:24,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:02:24,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:02:24,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:02:24,160 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:02:24,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:02:24,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:02:24,183 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:02:24,183 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:02:24,184 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/random/RanFile095.bpl [2019-08-05 10:02:24,184 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/random/RanFile095.bpl' [2019-08-05 10:02:24,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:02:24,265 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:02:24,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:02:24,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:02:24,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:02:24,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "RanFile095.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:24" (1/1) ... [2019-08-05 10:02:24,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "RanFile095.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:24" (1/1) ... [2019-08-05 10:02:24,320 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:02:24,320 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:02:24,321 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:02:24,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:02:24,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:02:24,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:02:24,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:02:24,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RanFile095.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:24" (1/1) ... [2019-08-05 10:02:24,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RanFile095.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:24" (1/1) ... [2019-08-05 10:02:24,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RanFile095.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:24" (1/1) ... [2019-08-05 10:02:24,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RanFile095.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:24" (1/1) ... [2019-08-05 10:02:24,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RanFile095.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:24" (1/1) ... [2019-08-05 10:02:24,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RanFile095.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:24" (1/1) ... [2019-08-05 10:02:24,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RanFile095.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:24" (1/1) ... [2019-08-05 10:02:24,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:02:24,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:02:24,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:02:24,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:02:24,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RanFile095.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:24" (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 10:02:24,476 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 10:02:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 10:02:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 10:02:26,939 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:02:26,940 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:02:26,942 INFO L202 PluginConnector]: Adding new model RanFile095.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:02:26 BoogieIcfgContainer [2019-08-05 10:02:26,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:02:26,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:02:26,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:02:26,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:02:26,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "RanFile095.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:02:24" (1/2) ... [2019-08-05 10:02:26,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dff05b0 and model type RanFile095.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:02:26, skipping insertion in model container [2019-08-05 10:02:26,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "RanFile095.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:02:26" (2/2) ... [2019-08-05 10:02:26,953 INFO L109 eAbstractionObserver]: Analyzing ICFG RanFile095.bpl [2019-08-05 10:02:26,963 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:02:26,971 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-08-05 10:02:26,989 INFO L252 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-08-05 10:02:27,022 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:02:27,023 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:02:27,024 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:02:27,024 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:02:27,024 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:02:27,025 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:02:27,025 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:02:27,025 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:02:27,025 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:02:27,052 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2019-08-05 10:02:27,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-08-05 10:02:27,062 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:02:27,063 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:02:27,066 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:02:27,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:02:27,072 INFO L82 PathProgramCache]: Analyzing trace with hash -924924759, now seen corresponding path program 1 times [2019-08-05 10:02:27,131 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:02:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:02:27,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:02:27,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:02:27,292 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 10:02:27,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:02:27,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:02:27,300 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:02:27,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:02:27,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:02:27,318 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 3 states. [2019-08-05 10:02:27,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:02:27,824 INFO L93 Difference]: Finished difference Result 78 states and 139 transitions. [2019-08-05 10:02:27,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:02:27,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-08-05 10:02:27,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:02:27,846 INFO L225 Difference]: With dead ends: 78 [2019-08-05 10:02:27,846 INFO L226 Difference]: Without dead ends: 75 [2019-08-05 10:02:27,848 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 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 10:02:27,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-08-05 10:02:27,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 72. [2019-08-05 10:02:27,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-08-05 10:02:27,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 128 transitions. [2019-08-05 10:02:27,891 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 128 transitions. Word has length 30 [2019-08-05 10:02:27,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:02:27,892 INFO L475 AbstractCegarLoop]: Abstraction has 72 states and 128 transitions. [2019-08-05 10:02:27,892 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:02:27,893 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 128 transitions. [2019-08-05 10:02:27,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-08-05 10:02:27,894 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:02:27,894 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:02:27,895 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:02:27,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:02:27,896 INFO L82 PathProgramCache]: Analyzing trace with hash -414372188, now seen corresponding path program 1 times [2019-08-05 10:02:27,897 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:02:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:02:28,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjunts are in the unsatisfiable core [2019-08-05 10:02:28,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:02:28,376 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:02:28,579 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-05 10:02:28,581 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:02:28,756 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-08-05 10:02:29,935 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:18,648 WARN L188 SmtUtils]: Spent 24.15 s on a formula simplification that was a NOOP. DAG size: 99 [2019-08-05 10:03:18,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:04:07,856 WARN L188 SmtUtils]: Spent 12.31 s on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:04:17,409 WARN L193 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) stderr output: (error "out of memory") [2019-08-05 10:04:17,410 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:207) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:224) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:141) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:934) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:581) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:453) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:204) ... 39 more [2019-08-05 10:04:17,415 INFO L168 Benchmark]: Toolchain (without parser) took 113149.90 ms. Allocated memory was 134.2 MB in the beginning and 197.1 MB in the end (delta: 62.9 MB). Free memory was 109.5 MB in the beginning and 91.0 MB in the end (delta: 18.5 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-08-05 10:04:17,417 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 10:04:17,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.85 ms. Allocated memory is still 134.2 MB. Free memory was 109.3 MB in the beginning and 107.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 10:04:17,419 INFO L168 Benchmark]: Boogie Preprocessor took 71.54 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 105.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:04:17,420 INFO L168 Benchmark]: RCFGBuilder took 2542.19 ms. Allocated memory was 134.2 MB in the beginning and 169.9 MB in the end (delta: 35.7 MB). Free memory was 105.2 MB in the beginning and 117.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 7.1 GB. [2019-08-05 10:04:17,421 INFO L168 Benchmark]: TraceAbstraction took 110469.70 ms. Allocated memory was 169.9 MB in the beginning and 197.1 MB in the end (delta: 27.3 MB). Free memory was 116.9 MB in the beginning and 91.0 MB in the end (delta: 25.8 MB). Peak memory consumption was 53.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:04:17,426 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 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.85 ms. Allocated memory is still 134.2 MB. Free memory was 109.3 MB in the beginning and 107.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.54 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 105.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2542.19 ms. Allocated memory was 134.2 MB in the beginning and 169.9 MB in the end (delta: 35.7 MB). Free memory was 105.2 MB in the beginning and 117.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 110469.70 ms. Allocated memory was 169.9 MB in the beginning and 197.1 MB in the end (delta: 27.3 MB). Free memory was 116.9 MB in the beginning and 91.0 MB in the end (delta: 25.8 MB). Peak memory consumption was 53.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:207) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...