java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:19:25,182 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:19:25,184 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:19:25,199 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:19:25,200 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:19:25,201 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:19:25,202 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:19:25,204 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:19:25,206 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:19:25,206 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:19:25,207 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:19:25,208 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:19:25,209 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:19:25,210 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:19:25,211 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:19:25,212 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:19:25,213 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:19:25,215 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:19:25,217 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:19:25,218 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:19:25,220 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:19:25,221 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:19:25,224 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:19:25,224 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:19:25,224 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:19:25,225 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:19:25,226 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:19:25,227 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:19:25,231 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:19:25,232 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:19:25,233 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:19:25,233 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:19:25,234 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:19:25,234 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:19:25,238 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:19:25,241 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:19:25,241 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf [2018-07-23 16:19:25,256 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:19:25,256 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:19:25,261 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:19:25,261 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:19:25,261 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:19:25,261 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:19:25,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:19:25,348 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:19:25,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:19:25,356 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:19:25,356 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:19:25,357 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl [2018-07-23 16:19:25,358 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl' [2018-07-23 16:19:25,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:19:25,405 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:19:25,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:19:25,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:19:25,406 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:19:25,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:25" (1/1) ... [2018-07-23 16:19:25,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:25" (1/1) ... [2018-07-23 16:19:25,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:25" (1/1) ... [2018-07-23 16:19:25,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:25" (1/1) ... [2018-07-23 16:19:25,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:25" (1/1) ... [2018-07-23 16:19:25,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:25" (1/1) ... [2018-07-23 16:19:25,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:25" (1/1) ... [2018-07-23 16:19:25,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:19:25,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:19:25,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:19:25,459 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:19:25,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:25" (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 [2018-07-23 16:19:25,530 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-23 16:19:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 16:19:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 16:19:25,699 INFO L258 CfgBuilder]: Using library mode [2018-07-23 16:19:25,700 INFO L202 PluginConnector]: Adding new model HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:19:25 BoogieIcfgContainer [2018-07-23 16:19:25,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:19:25,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:19:25,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:19:25,705 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:19:25,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:19:25" (1/2) ... [2018-07-23 16:19:25,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@330ebc8f and model type HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:19:25, skipping insertion in model container [2018-07-23 16:19:25,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:19:25" (2/2) ... [2018-07-23 16:19:25,709 INFO L112 eAbstractionObserver]: Analyzing ICFG HiddenEquality-Safe.bpl [2018-07-23 16:19:25,719 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:19:25,730 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:19:25,781 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:19:25,782 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:19:25,782 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:19:25,782 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:19:25,782 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:19:25,783 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:19:25,783 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:19:25,783 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:19:25,783 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:19:25,801 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2018-07-23 16:19:25,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-07-23 16:19:25,819 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:19:25,820 INFO L353 BasicCegarLoop]: trace histogram [1, 1] [2018-07-23 16:19:25,820 INFO L414 AbstractCegarLoop]: === Iteration 1 === [mainErr0AssertViolationASSERT]=== [2018-07-23 16:19:25,834 INFO L82 PathProgramCache]: Analyzing trace with hash 967, now seen corresponding path program 1 times [2018-07-23 16:19:25,841 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:19:25,982 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:19:25,983 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-23 16:19:25,988 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 16:19:25,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 16:19:25,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 16:19:25,996 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2018-07-23 16:19:26,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:19:26,060 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-07-23 16:19:26,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 16:19:26,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-07-23 16:19:26,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:19:26,080 INFO L225 Difference]: With dead ends: 6 [2018-07-23 16:19:26,080 INFO L226 Difference]: Without dead ends: 4 [2018-07-23 16:19:26,084 INFO L573 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 [2018-07-23 16:19:26,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2018-07-23 16:19:26,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-07-23 16:19:26,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-07-23 16:19:26,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-07-23 16:19:26,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 4 transitions. Word has length 2 [2018-07-23 16:19:26,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:19:26,153 INFO L471 AbstractCegarLoop]: Abstraction has 4 states and 4 transitions. [2018-07-23 16:19:26,153 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 16:19:26,154 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-07-23 16:19:26,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 16:19:26,154 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:19:26,154 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 16:19:26,155 INFO L414 AbstractCegarLoop]: === Iteration 2 === [mainErr0AssertViolationASSERT]=== [2018-07-23 16:19:26,155 INFO L82 PathProgramCache]: Analyzing trace with hash 29921, now seen corresponding path program 1 times [2018-07-23 16:19:26,155 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:19:27,470 WARN L169 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-07-23 16:19:30,755 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-07-23 16:19:33,394 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-07-23 16:19:33,980 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-07-23 16:19:34,437 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-07-23 16:19:34,995 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-07-23 16:19:35,556 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-07-23 16:19:36,259 WARN L169 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-07-23 16:19:36,854 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-07-23 16:19:37,683 WARN L169 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-07-23 16:19:38,447 WARN L169 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-07-23 16:19:39,139 WARN L169 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-07-23 16:19:39,899 WARN L169 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-07-23 16:19:41,373 WARN L169 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-07-23 16:19:42,802 WARN L169 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2018-07-23 16:19:44,861 WARN L169 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-07-23 16:19:46,409 WARN L169 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-07-23 16:19:47,392 WARN L169 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-07-23 16:19:48,764 WARN L169 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-07-23 16:19:49,895 WARN L169 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-07-23 16:19:51,110 WARN L169 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2018-07-23 16:19:52,334 WARN L169 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-07-23 16:19:53,635 WARN L169 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-07-23 16:19:54,974 WARN L169 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2018-07-23 16:19:56,421 WARN L169 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-07-23 16:19:57,875 WARN L169 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-07-23 16:19:59,367 WARN L169 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-07-23 16:20:00,988 WARN L169 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-07-23 16:20:02,741 WARN L169 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2018-07-23 16:20:04,412 WARN L169 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2018-07-23 16:20:06,179 WARN L169 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-07-23 16:20:08,107 WARN L169 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-07-23 16:20:10,010 WARN L169 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-07-23 16:20:12,001 WARN L169 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2018-07-23 16:20:14,063 WARN L169 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-07-23 16:20:16,238 WARN L169 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-07-23 16:20:18,560 WARN L169 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-07-23 16:20:20,894 WARN L169 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-07-23 16:20:23,415 WARN L169 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2018-07-23 16:20:25,863 WARN L169 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2018-07-23 16:20:28,648 WARN L169 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2018-07-23 16:20:31,278 WARN L169 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-07-23 16:20:34,064 WARN L169 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-07-23 16:20:36,833 WARN L169 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 369 [2018-07-23 16:20:39,748 WARN L169 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2018-07-23 16:20:42,821 WARN L169 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-07-23 16:20:45,923 WARN L169 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-07-23 16:20:49,325 WARN L169 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-07-23 16:20:52,622 WARN L169 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2018-07-23 16:20:56,095 WARN L169 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2018-07-23 16:20:59,888 WARN L169 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2018-07-23 16:21:03,548 WARN L169 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-07-23 16:21:07,305 WARN L169 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-07-23 16:21:11,119 WARN L169 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 429 [2018-07-23 16:21:15,227 WARN L169 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2018-07-23 16:21:19,412 WARN L169 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-07-23 16:21:23,678 WARN L169 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-07-23 16:21:27,959 WARN L169 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2018-07-23 16:21:32,307 WARN L169 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2018-07-23 16:21:36,860 WARN L169 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2018-07-23 16:21:41,660 WARN L169 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 471 [2018-07-23 16:21:46,651 WARN L169 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 477 [2018-07-23 16:21:51,755 WARN L169 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 483 [2018-07-23 16:21:57,086 WARN L169 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 489 [2018-07-23 16:22:02,513 WARN L169 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2018-07-23 16:22:07,800 WARN L169 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2018-07-23 16:22:13,320 WARN L169 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2018-07-23 16:22:19,039 WARN L169 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2018-07-23 16:22:24,885 WARN L169 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2018-07-23 16:22:30,881 WARN L169 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2018-07-23 16:22:37,025 WARN L169 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2018-07-23 16:22:43,341 WARN L169 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2018-07-23 16:22:49,758 WARN L169 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2018-07-23 16:22:56,360 WARN L169 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 549 [2018-07-23 16:23:03,072 WARN L169 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2018-07-23 16:23:10,111 WARN L169 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 561 [2018-07-23 16:23:17,224 WARN L169 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 567 [2018-07-23 16:23:24,638 WARN L169 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 573 [2018-07-23 16:23:32,025 WARN L169 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 579 [2018-07-23 16:23:39,730 WARN L169 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 585 [2018-07-23 16:23:47,613 WARN L169 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 591 [2018-07-23 16:23:55,812 WARN L169 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 597 Received shutdown request... [2018-07-23 16:24:01,987 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:24:01,992 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:24:01,992 INFO L202 PluginConnector]: Adding new model HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:24:01 BoogieIcfgContainer [2018-07-23 16:24:01,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:24:01,994 INFO L168 Benchmark]: Toolchain (without parser) took 276589.49 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -329.3 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 316.0 MB). Peak memory consumption was 262.3 MB. Max. memory is 7.1 GB. [2018-07-23 16:24:01,995 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.97 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. [2018-07-23 16:24:01,995 INFO L168 Benchmark]: Boogie Preprocessor took 52.51 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. [2018-07-23 16:24:01,996 INFO L168 Benchmark]: RCFGBuilder took 241.37 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 16:24:01,997 INFO L168 Benchmark]: TraceAbstraction took 276291.40 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -329.3 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 294.8 MB). Peak memory consumption was 241.2 MB. Max. memory is 7.1 GB. [2018-07-23 16:24:02,001 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 0.97 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 52.51 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 241.37 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 276291.40 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -329.3 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 294.8 MB). Peak memory consumption was 241.2 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 PredicateComparison was comparing new predicate (quantifier-free) to 299 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. TIMEOUT Result, 276.2s 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, 1 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: 0.1s 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.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-24-02-013.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/HiddenEquality-Safe.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-24-02-013.csv Completed graceful shutdown