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/RanFile053.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:03:33,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:03:33,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:03:33,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:03:33,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:03:33,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:03:33,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:03:33,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:03:33,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:03:33,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:03:33,593 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:03:33,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:03:33,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:03:33,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:03:33,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:03:33,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:03:33,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:03:33,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:03:33,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:03:33,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:03:33,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:03:33,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:03:33,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:03:33,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:03:33,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:03:33,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:03:33,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:03:33,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:03:33,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:03:33,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:03:33,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:03:33,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:03:33,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:03:33,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:03:33,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:03:33,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:03:33,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:03:33,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:03:33,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:03:33,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:03:33,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:03:33,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:03:33,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:03:33,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:03:33,690 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:03:33,691 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:03:33,691 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/random/RanFile053.bpl [2019-08-05 10:03:33,692 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/random/RanFile053.bpl' [2019-08-05 10:03:33,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:03:33,751 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:03:33,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:03:33,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:03:33,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:03:33,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "RanFile053.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:33" (1/1) ... [2019-08-05 10:03:33,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "RanFile053.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:33" (1/1) ... [2019-08-05 10:03:33,804 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:03:33,805 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:03:33,805 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:03:33,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:03:33,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:03:33,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:03:33,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:03:33,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RanFile053.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:33" (1/1) ... [2019-08-05 10:03:33,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RanFile053.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:33" (1/1) ... [2019-08-05 10:03:33,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RanFile053.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:33" (1/1) ... [2019-08-05 10:03:33,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RanFile053.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:33" (1/1) ... [2019-08-05 10:03:33,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RanFile053.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:33" (1/1) ... [2019-08-05 10:03:33,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RanFile053.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:33" (1/1) ... [2019-08-05 10:03:33,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RanFile053.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:33" (1/1) ... [2019-08-05 10:03:33,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:03:33,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:03:33,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:03:33,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:03:33,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RanFile053.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:33" (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 10:03:33,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 10:03:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 10:03:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 10:03:35,719 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:03:35,720 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:03:35,721 INFO L202 PluginConnector]: Adding new model RanFile053.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:03:35 BoogieIcfgContainer [2019-08-05 10:03:35,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:03:35,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:03:35,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:03:35,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:03:35,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "RanFile053.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:33" (1/2) ... [2019-08-05 10:03:35,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350bdf25 and model type RanFile053.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:03:35, skipping insertion in model container [2019-08-05 10:03:35,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "RanFile053.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:03:35" (2/2) ... [2019-08-05 10:03:35,730 INFO L109 eAbstractionObserver]: Analyzing ICFG RanFile053.bpl [2019-08-05 10:03:35,739 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:03:35,746 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-08-05 10:03:35,762 INFO L252 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-08-05 10:03:35,787 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:03:35,788 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:03:35,788 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:03:35,789 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:03:35,789 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:03:35,789 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:03:35,791 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:03:35,792 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:03:35,792 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:03:35,808 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2019-08-05 10:03:35,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-08-05 10:03:35,817 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:03:35,818 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:03:35,821 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:03:35,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:03:35,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1852020771, now seen corresponding path program 1 times [2019-08-05 10:03:35,867 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:03:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:03:35,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2019-08-05 10:03:35,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:03:35,944 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 10:03:35,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:03:35,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:03:35,950 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-08-05 10:03:35,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-08-05 10:03:35,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 10:03:35,968 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2019-08-05 10:03:35,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:03:35,986 INFO L93 Difference]: Finished difference Result 43 states and 74 transitions. [2019-08-05 10:03:35,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-08-05 10:03:35,988 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2019-08-05 10:03:35,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:03:35,999 INFO L225 Difference]: With dead ends: 43 [2019-08-05 10:03:35,999 INFO L226 Difference]: Without dead ends: 40 [2019-08-05 10:03:36,001 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-08-05 10:03:36,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-08-05 10:03:36,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-08-05 10:03:36,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-08-05 10:03:36,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 69 transitions. [2019-08-05 10:03:36,038 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 69 transitions. Word has length 17 [2019-08-05 10:03:36,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:03:36,039 INFO L475 AbstractCegarLoop]: Abstraction has 40 states and 69 transitions. [2019-08-05 10:03:36,039 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-08-05 10:03:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2019-08-05 10:03:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-08-05 10:03:36,040 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:03:36,040 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:03:36,041 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:03:36,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:03:36,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1290698133, now seen corresponding path program 1 times [2019-08-05 10:03:36,042 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:03:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:03:36,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2019-08-05 10:03:36,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:03:36,136 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:36,469 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2019-08-05 10:03:36,546 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:36,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:36,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:36,554 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:36,556 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:36,562 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:36,564 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:37,372 WARN L188 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 32 [2019-08-05 10:03:37,701 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 22 [2019-08-05 10:03:37,706 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:39,114 WARN L188 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 39 [2019-08-05 10:03:39,122 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:43,579 WARN L188 SmtUtils]: Spent 4.28 s on a formula simplification that was a NOOP. DAG size: 44 [2019-08-05 10:03:43,581 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:43,702 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 10:03:43,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:03:43,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-08-05 10:03:43,705 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-08-05 10:03:43,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-08-05 10:03:43,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-08-05 10:03:43,706 INFO L87 Difference]: Start difference. First operand 40 states and 69 transitions. Second operand 9 states. [2019-08-05 10:03:49,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:03:49,411 INFO L93 Difference]: Finished difference Result 81 states and 138 transitions. [2019-08-05 10:03:49,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-08-05 10:03:49,415 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-08-05 10:03:49,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:03:49,419 INFO L225 Difference]: With dead ends: 81 [2019-08-05 10:03:49,419 INFO L226 Difference]: Without dead ends: 78 [2019-08-05 10:03:49,420 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-08-05 10:03:49,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-08-05 10:03:49,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 62. [2019-08-05 10:03:49,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-08-05 10:03:49,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 104 transitions. [2019-08-05 10:03:49,431 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 104 transitions. Word has length 18 [2019-08-05 10:03:49,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:03:49,431 INFO L475 AbstractCegarLoop]: Abstraction has 62 states and 104 transitions. [2019-08-05 10:03:49,431 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-08-05 10:03:49,431 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 104 transitions. [2019-08-05 10:03:49,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-08-05 10:03:49,433 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:03:49,433 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:03:49,433 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:03:49,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:03:49,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1002223635, now seen corresponding path program 1 times [2019-08-05 10:03:49,435 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:03:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:03:49,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjunts are in the unsatisfiable core [2019-08-05 10:03:49,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:03:49,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:49,586 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:49,743 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:49,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:50,019 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:50,220 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 10:03:50,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:03:50,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-08-05 10:03:50,222 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-08-05 10:03:50,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-08-05 10:03:50,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-08-05 10:03:50,223 INFO L87 Difference]: Start difference. First operand 62 states and 104 transitions. Second operand 11 states. [2019-08-05 10:03:54,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:03:54,074 INFO L93 Difference]: Finished difference Result 109 states and 188 transitions. [2019-08-05 10:03:54,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-08-05 10:03:54,083 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2019-08-05 10:03:54,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:03:54,085 INFO L225 Difference]: With dead ends: 109 [2019-08-05 10:03:54,085 INFO L226 Difference]: Without dead ends: 104 [2019-08-05 10:03:54,086 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2019-08-05 10:03:54,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-08-05 10:03:54,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 85. [2019-08-05 10:03:54,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-08-05 10:03:54,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 144 transitions. [2019-08-05 10:03:54,097 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 144 transitions. Word has length 18 [2019-08-05 10:03:54,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:03:54,098 INFO L475 AbstractCegarLoop]: Abstraction has 85 states and 144 transitions. [2019-08-05 10:03:54,098 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-08-05 10:03:54,098 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 144 transitions. [2019-08-05 10:03:54,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-08-05 10:03:54,099 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:03:54,100 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:03:54,100 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:03:54,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:03:54,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1356936801, now seen corresponding path program 1 times [2019-08-05 10:03:54,101 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:03:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:03:54,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 18 conjunts are in the unsatisfiable core [2019-08-05 10:03:54,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:03:54,175 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:54,283 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:54,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:54,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:54,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:54,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:54,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:54,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:54,714 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 32 [2019-08-05 10:03:54,770 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:54,771 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:54,776 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:54,936 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 82 [2019-08-05 10:03:54,940 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:03:55,039 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:03:55,040 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:03:55,044 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:03:55,049 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:03:56,249 WARN L188 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-08-05 10:03:56,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:04:16,042 WARN L188 SmtUtils]: Spent 19.66 s on a formula simplification. DAG size of input: 127 DAG size of output: 105 [2019-08-05 10:04:16,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:04:27,983 WARN L188 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 106 [2019-08-05 10:04:27,985 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:04:28,129 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 10:04:28,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:04:28,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-08-05 10:04:28,137 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-08-05 10:04:28,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-08-05 10:04:28,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-08-05 10:04:28,139 INFO L87 Difference]: Start difference. First operand 85 states and 144 transitions. Second operand 12 states. [2019-08-05 10:05:25,044 WARN L193 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) stderr output: (error "out of memory") [2019-08-05 10:05:25,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-08-05 10:05:25,046 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.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:118) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:178) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:159) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:696) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:625) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:467) 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) ... 50 more [2019-08-05 10:05:25,051 INFO L168 Benchmark]: Toolchain (without parser) took 111299.97 ms. Allocated memory was 138.4 MB in the beginning and 273.2 MB in the end (delta: 134.7 MB). Free memory was 109.3 MB in the beginning and 177.3 MB in the end (delta: -68.0 MB). Peak memory consumption was 66.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:05:25,052 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory is still 111.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:05:25,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.82 ms. Allocated memory is still 138.4 MB. Free memory was 109.3 MB in the beginning and 107.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 10:05:25,054 INFO L168 Benchmark]: Boogie Preprocessor took 63.64 ms. Allocated memory is still 138.4 MB. Free memory was 107.1 MB in the beginning and 105.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:05:25,055 INFO L168 Benchmark]: RCFGBuilder took 1848.59 ms. Allocated memory was 138.4 MB in the beginning and 175.1 MB in the end (delta: 36.7 MB). Free memory was 105.4 MB in the beginning and 142.4 MB in the end (delta: -37.0 MB). Peak memory consumption was 50.8 MB. Max. memory is 7.1 GB. [2019-08-05 10:05:25,056 INFO L168 Benchmark]: TraceAbstraction took 109326.02 ms. Allocated memory was 175.1 MB in the beginning and 273.2 MB in the end (delta: 98.0 MB). Free memory was 142.4 MB in the beginning and 177.3 MB in the end (delta: -34.9 MB). Peak memory consumption was 63.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:05:25,060 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 138.4 MB. Free memory is still 111.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 56.82 ms. Allocated memory is still 138.4 MB. Free memory was 109.3 MB in the beginning and 107.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.64 ms. Allocated memory is still 138.4 MB. Free memory was 107.1 MB in the beginning and 105.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1848.59 ms. Allocated memory was 138.4 MB in the beginning and 175.1 MB in the end (delta: 36.7 MB). Free memory was 105.4 MB in the beginning and 142.4 MB in the end (delta: -37.0 MB). Peak memory consumption was 50.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 109326.02 ms. Allocated memory was 175.1 MB in the beginning and 273.2 MB in the end (delta: 98.0 MB). Free memory was 142.4 MB in the beginning and 177.3 MB in the end (delta: -34.9 MB). Peak memory consumption was 63.1 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...