java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:56:58,706 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:56:58,708 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:56:58,729 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:56:58,730 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:56:58,731 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:56:58,733 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:56:58,737 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:56:58,740 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:56:58,748 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:56:58,749 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:56:58,752 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:56:58,753 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:56:58,754 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:56:58,758 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:56:58,759 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:56:58,760 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:56:58,764 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:56:58,770 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:56:58,775 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:56:58,776 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:56:58,778 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:56:58,781 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:56:58,782 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:56:58,782 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:56:58,785 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:56:58,786 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:56:58,787 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:56:58,788 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:56:58,789 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:56:58,789 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:56:58,790 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:56:58,790 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:56:58,790 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:56:58,794 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:56:58,795 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:56:58,795 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-07-25 14:56:58,815 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:56:58,815 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:56:58,817 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 14:56:58,817 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 14:56:58,817 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:56:58,818 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:56:58,818 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 14:56:58,818 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:56:58,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:56:58,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:56:58,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:56:58,920 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:56:58,921 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:56:58,922 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl [2018-07-25 14:56:58,922 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl' [2018-07-25 14:56:58,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:56:58,988 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:56:58,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:56:58,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:56:58,989 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:56:59,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:59,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:59,034 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 14:56:59,034 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 14:56:59,034 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 14:56:59,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:56:59,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:56:59,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:56:59,038 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:56:59,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:59,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:59,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:59,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:59,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:59,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:59,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:59,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:56:59,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:56:59,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:56:59,063 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:56:59,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/1) ... [2018-07-25 14:56:59,156 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-25 14:56:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-25 14:56:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-25 14:56:59,283 INFO L270 CfgBuilder]: Using library mode [2018-07-25 14:56:59,284 INFO L202 PluginConnector]: Adding new model HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:56:59 BoogieIcfgContainer [2018-07-25 14:56:59,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:56:59,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:56:59,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:56:59,290 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:56:59,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:56:58" (1/2) ... [2018-07-25 14:56:59,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d8f50c and model type HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:56:59, skipping insertion in model container [2018-07-25 14:56:59,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:56:59" (2/2) ... [2018-07-25 14:56:59,294 INFO L112 eAbstractionObserver]: Analyzing ICFG HiddenEquality-Safe.bpl [2018-07-25 14:56:59,305 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:56:59,314 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:56:59,366 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:56:59,367 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:56:59,367 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:56:59,367 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:56:59,367 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:56:59,368 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:56:59,368 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:56:59,368 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:56:59,369 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:56:59,385 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2018-07-25 14:56:59,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-07-25 14:56:59,394 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:56:59,395 INFO L354 BasicCegarLoop]: trace histogram [1, 1] [2018-07-25 14:56:59,396 INFO L415 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:56:59,401 INFO L82 PathProgramCache]: Analyzing trace with hash 967, now seen corresponding path program 1 times [2018-07-25 14:56:59,407 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:56:59,474 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:56:59,474 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-25 14:56:59,479 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 14:56:59,485 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 14:56:59,486 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 14:56:59,489 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2018-07-25 14:56:59,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:56:59,519 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-07-25 14:56:59,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 14:56:59,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-07-25 14:56:59,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:56:59,532 INFO L225 Difference]: With dead ends: 6 [2018-07-25 14:56:59,533 INFO L226 Difference]: Without dead ends: 4 [2018-07-25 14:56:59,537 INFO L574 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 [2018-07-25 14:56:59,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2018-07-25 14:56:59,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-07-25 14:56:59,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-07-25 14:56:59,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-07-25 14:56:59,574 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 4 transitions. Word has length 2 [2018-07-25 14:56:59,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:56:59,575 INFO L472 AbstractCegarLoop]: Abstraction has 4 states and 4 transitions. [2018-07-25 14:56:59,575 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 14:56:59,576 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-07-25 14:56:59,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 14:56:59,576 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:56:59,576 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 14:56:59,577 INFO L415 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:56:59,577 INFO L82 PathProgramCache]: Analyzing trace with hash 29921, now seen corresponding path program 1 times [2018-07-25 14:56:59,578 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:57:35,322 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-07-25 14:58:09,398 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2018-07-25 14:58:15,211 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 471 [2018-07-25 14:58:18,276 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 477 [2018-07-25 14:58:21,430 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 483 [2018-07-25 14:58:24,722 WARN L169 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 489 [2018-07-25 14:58:28,135 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2018-07-25 14:58:31,614 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2018-07-25 14:58:35,216 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2018-07-25 14:58:38,931 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2018-07-25 14:58:42,772 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2018-07-25 14:58:46,752 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2018-07-25 14:58:50,830 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2018-07-25 14:58:55,044 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2018-07-25 14:58:59,439 WARN L169 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2018-07-25 14:59:03,937 WARN L169 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2018-07-25 14:59:08,549 WARN L169 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2018-07-25 14:59:13,322 WARN L169 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-07-25 14:59:18,208 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 567 [2018-07-25 14:59:23,257 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2018-07-25 14:59:28,436 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2018-07-25 14:59:33,754 WARN L169 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 585 [2018-07-25 14:59:39,237 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2018-07-25 14:59:44,901 WARN L169 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 597 [2018-07-25 14:59:50,744 WARN L169 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2018-07-25 14:59:57,461 WARN L169 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2018-07-25 15:00:04,210 WARN L169 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2018-07-25 15:00:10,997 WARN L169 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 623 [2018-07-25 15:00:17,666 WARN L169 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2018-07-25 15:00:24,370 WARN L169 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 637 [2018-07-25 15:00:31,196 WARN L169 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2018-07-25 15:00:38,204 WARN L169 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 651 [2018-07-25 15:00:45,524 WARN L169 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 658 [2018-07-25 15:00:52,913 WARN L169 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2018-07-25 15:01:00,539 WARN L169 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2018-07-25 15:01:08,370 WARN L169 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 679 [2018-07-25 15:01:16,370 WARN L169 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 686 [2018-07-25 15:01:24,556 WARN L169 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 693 Received shutdown request... [2018-07-25 15:01:29,921 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 15:01:29,925 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 15:01:29,926 INFO L202 PluginConnector]: Adding new model HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 03:01:29 BoogieIcfgContainer [2018-07-25 15:01:29,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 15:01:29,927 INFO L168 Benchmark]: Toolchain (without parser) took 270940.46 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -87.0 MB). Free memory was 1.5 GB in the beginning and 923.4 MB in the end (delta: 558.7 MB). Peak memory consumption was 471.6 MB. Max. memory is 7.1 GB. [2018-07-25 15:01:29,928 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 15:01:29,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.67 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 15:01:29,930 INFO L168 Benchmark]: Boogie Preprocessor took 24.58 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 15:01:29,930 INFO L168 Benchmark]: RCFGBuilder took 222.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-25 15:01:29,931 INFO L168 Benchmark]: TraceAbstraction took 270640.28 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -87.0 MB). Free memory was 1.5 GB in the beginning and 923.4 MB in the end (delta: 548.1 MB). Peak memory consumption was 461.1 MB. Max. memory is 7.1 GB. [2018-07-25 15:01:29,936 INFO L336 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 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.67 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.58 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 222.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 270640.28 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -87.0 MB). Free memory was 1.5 GB in the beginning and 923.4 MB in the end (delta: 548.1 MB). Peak memory consumption was 461.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 29]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 29). Cancelled while BasicCegarLoop was analyzing trace of length 4 with TraceHistMax 1, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. TIMEOUT Result, 270.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/HiddenEquality-Safe.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_15-01-29-957.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/HiddenEquality-Safe.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_15-01-29-957.csv Completed graceful shutdown