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/Luxembourg.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:22:14,353 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:22:14,355 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:22:14,371 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:22:14,371 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:22:14,373 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:22:14,374 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:22:14,376 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:22:14,378 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:22:14,379 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:22:14,380 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:22:14,380 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:22:14,381 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:22:14,382 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:22:14,384 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:22:14,385 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:22:14,386 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:22:14,388 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:22:14,390 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:22:14,391 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:22:14,393 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:22:14,394 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:22:14,397 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:22:14,397 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:22:14,397 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:22:14,398 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:22:14,399 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:22:14,400 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:22:14,401 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:22:14,402 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:22:14,403 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:22:14,403 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:22:14,403 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:22:14,404 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:22:14,405 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:22:14,405 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:22:14,406 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 16:22:14,416 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:22:14,416 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:22:14,418 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:22:14,418 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:22:14,418 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:22:14,419 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:22:14,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:22:14,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:22:14,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:22:14,495 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:22:14,495 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:22:14,496 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg.bpl [2018-07-23 16:22:14,496 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg.bpl' [2018-07-23 16:22:14,537 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:22:14,539 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:22:14,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:22:14,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:22:14,539 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:22:14,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:22:14" (1/1) ... [2018-07-23 16:22:14,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:22:14" (1/1) ... [2018-07-23 16:22:14,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:22:14" (1/1) ... [2018-07-23 16:22:14,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:22:14" (1/1) ... [2018-07-23 16:22:14,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:22:14" (1/1) ... [2018-07-23 16:22:14,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:22:14" (1/1) ... [2018-07-23 16:22:14,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:22:14" (1/1) ... [2018-07-23 16:22:14,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:22:14,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:22:14,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:22:14,586 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:22:14,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:22:14" (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 16:22:14,660 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-23 16:22:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 16:22:14,661 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 16:22:14,867 INFO L258 CfgBuilder]: Using library mode [2018-07-23 16:22:14,868 INFO L202 PluginConnector]: Adding new model Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:22:14 BoogieIcfgContainer [2018-07-23 16:22:14,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:22:14,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:22:14,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:22:14,874 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:22:14,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:22:14" (1/2) ... [2018-07-23 16:22:14,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcf427e and model type Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:22:14, skipping insertion in model container [2018-07-23 16:22:14,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:22:14" (2/2) ... [2018-07-23 16:22:14,878 INFO L112 eAbstractionObserver]: Analyzing ICFG Luxembourg.bpl [2018-07-23 16:22:14,888 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:22:14,896 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:22:14,945 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:22:14,946 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:22:14,947 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:22:14,947 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:22:14,947 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:22:14,947 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:22:14,947 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:22:14,948 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:22:14,948 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:22:14,963 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 16:22:14,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 16:22:14,972 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:22:14,973 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 16:22:14,973 INFO L414 AbstractCegarLoop]: === Iteration 1 === [mainErr0AssertViolationASSERT]=== [2018-07-23 16:22:14,979 INFO L82 PathProgramCache]: Analyzing trace with hash 30048, now seen corresponding path program 1 times [2018-07-23 16:22:14,986 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:22:15,352 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:22:15,352 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 16:22:15,357 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 16:22:15,362 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 16:22:15,363 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-23 16:22:15,365 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 16:22:15,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:22:15,467 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2018-07-23 16:22:15,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 16:22:15,470 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-07-23 16:22:15,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:22:15,480 INFO L225 Difference]: With dead ends: 11 [2018-07-23 16:22:15,480 INFO L226 Difference]: Without dead ends: 5 [2018-07-23 16:22:15,484 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-23 16:22:15,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-23 16:22:15,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-23 16:22:15,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-23 16:22:15,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-23 16:22:15,523 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-07-23 16:22:15,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:22:15,524 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-23 16:22:15,524 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 16:22:15,524 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-23 16:22:15,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 16:22:15,525 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:22:15,525 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 16:22:15,525 INFO L414 AbstractCegarLoop]: === Iteration 2 === [mainErr0AssertViolationASSERT]=== [2018-07-23 16:22:15,526 INFO L82 PathProgramCache]: Analyzing trace with hash 927622, now seen corresponding path program 1 times [2018-07-23 16:22:15,526 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:22:16,398 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-07-23 16:22:19,976 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-07-23 16:22:24,077 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-07-23 16:22:24,642 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-07-23 16:22:25,255 WARN L169 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-07-23 16:22:25,778 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-07-23 16:22:26,371 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-07-23 16:22:26,884 WARN L169 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-07-23 16:22:27,420 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-07-23 16:22:28,075 WARN L169 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-07-23 16:22:28,772 WARN L169 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-07-23 16:22:29,471 WARN L169 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-07-23 16:22:30,227 WARN L169 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-07-23 16:22:30,936 WARN L169 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-07-23 16:22:32,303 WARN L169 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2018-07-23 16:22:34,590 WARN L169 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-07-23 16:22:35,670 WARN L169 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-07-23 16:22:36,626 WARN L169 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-07-23 16:22:37,578 WARN L169 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-07-23 16:22:38,586 WARN L169 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-07-23 16:22:39,631 WARN L169 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2018-07-23 16:22:40,958 WARN L169 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-07-23 16:22:42,108 WARN L169 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-07-23 16:22:43,338 WARN L169 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2018-07-23 16:22:44,586 WARN L169 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-07-23 16:22:45,896 WARN L169 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-07-23 16:22:47,343 WARN L169 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-07-23 16:22:48,723 WARN L169 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-07-23 16:22:50,204 WARN L169 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2018-07-23 16:22:51,772 WARN L169 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2018-07-23 16:22:53,411 WARN L169 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-07-23 16:22:55,027 WARN L169 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-07-23 16:22:56,982 WARN L169 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-07-23 16:22:58,769 WARN L169 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2018-07-23 16:23:00,716 WARN L169 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-07-23 16:23:02,598 WARN L169 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-07-23 16:23:04,608 WARN L169 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-07-23 16:23:06,774 WARN L169 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-07-23 16:23:08,921 WARN L169 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2018-07-23 16:23:11,205 WARN L169 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2018-07-23 16:23:13,583 WARN L169 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2018-07-23 16:23:15,963 WARN L169 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-07-23 16:23:18,382 WARN L169 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-07-23 16:23:20,868 WARN L169 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 369 [2018-07-23 16:23:23,585 WARN L169 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2018-07-23 16:23:26,346 WARN L169 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-07-23 16:23:29,131 WARN L169 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-07-23 16:23:32,077 WARN L169 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-07-23 16:23:35,105 WARN L169 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2018-07-23 16:23:38,461 WARN L169 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2018-07-23 16:23:41,715 WARN L169 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2018-07-23 16:23:44,955 WARN L169 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-07-23 16:23:48,507 WARN L169 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-07-23 16:23:52,080 WARN L169 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 429 [2018-07-23 16:23:55,661 WARN L169 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2018-07-23 16:23:59,462 WARN L169 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-07-23 16:24:03,215 WARN L169 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-07-23 16:24:07,110 WARN L169 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2018-07-23 16:24:11,120 WARN L169 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2018-07-23 16:24:15,212 WARN L169 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2018-07-23 16:24:19,471 WARN L169 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 471 [2018-07-23 16:24:23,839 WARN L169 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 477 [2018-07-23 16:24:28,362 WARN L169 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 483 [2018-07-23 16:24:33,052 WARN L169 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 489 [2018-07-23 16:24:37,846 WARN L169 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2018-07-23 16:24:42,810 WARN L169 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2018-07-23 16:24:47,814 WARN L169 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2018-07-23 16:24:52,946 WARN L169 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2018-07-23 16:24:58,195 WARN L169 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2018-07-23 16:25:03,564 WARN L169 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2018-07-23 16:25:09,157 WARN L169 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2018-07-23 16:25:14,934 WARN L169 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2018-07-23 16:25:20,845 WARN L169 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2018-07-23 16:25:26,994 WARN L169 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2018-07-23 16:25:33,099 WARN L169 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2018-07-23 16:25:39,315 WARN L169 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-07-23 16:25:45,651 WARN L169 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 567 [2018-07-23 16:25:52,227 WARN L169 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2018-07-23 16:25:58,935 WARN L169 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2018-07-23 16:26:05,828 WARN L169 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 585 [2018-07-23 16:26:12,897 WARN L169 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2018-07-23 16:26:20,084 WARN L169 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 597 [2018-07-23 16:26:27,556 WARN L169 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 603 [2018-07-23 16:26:35,160 WARN L169 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 609 [2018-07-23 16:26:42,843 WARN L169 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 615 Received shutdown request... [2018-07-23 16:26:50,809 WARN L177 SmtUtils]: Removed 2 from assertion stack [2018-07-23 16:26:50,811 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:26:50,816 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:26:50,817 INFO L202 PluginConnector]: Adding new model Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:26:50 BoogieIcfgContainer [2018-07-23 16:26:50,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:26:50,818 INFO L168 Benchmark]: Toolchain (without parser) took 276280.33 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -272.1 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 368.7 MB). Peak memory consumption was 325.7 MB. Max. memory is 7.1 GB. [2018-07-23 16:26:50,823 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 16:26:50,824 INFO L168 Benchmark]: Boogie Preprocessor took 45.51 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 16:26:50,824 INFO L168 Benchmark]: RCFGBuilder took 283.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 16:26:50,825 INFO L168 Benchmark]: TraceAbstraction took 275947.31 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -272.1 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 347.5 MB). Peak memory consumption was 304.6 MB. Max. memory is 7.1 GB. [2018-07-23 16:26:50,829 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 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.51 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 283.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 275947.31 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -272.1 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 347.5 MB). Peak memory consumption was 304.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 24]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 24). Cancelled while BasicCegarLoop was analyzing trace of length 5 with TraceHistMax 1, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 621. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 275.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 6 SDslu, 1 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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: 0.3s 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/Luxembourg.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-26-50-841.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Luxembourg.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-26-50-841.csv Completed graceful shutdown