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/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:05:03,395 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:05:03,397 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:05:03,415 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:05:03,416 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:05:03,420 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:05:03,421 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:05:03,423 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:05:03,425 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:05:03,426 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:05:03,427 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:05:03,427 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:05:03,428 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:05:03,429 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:05:03,430 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:05:03,431 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:05:03,432 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:05:03,433 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:05:03,436 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:05:03,437 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:05:03,438 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:05:03,440 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:05:03,442 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:05:03,442 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:05:03,443 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:05:03,444 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:05:03,445 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:05:03,445 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:05:03,446 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:05:03,448 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:05:03,448 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:05:03,448 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:05:03,449 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:05:03,449 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:05:03,450 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:05:03,451 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:05:03,451 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 16:05:03,465 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:05:03,466 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:05:03,467 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:05:03,468 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:05:03,468 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:05:03,468 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:05:03,522 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:05:03,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:05:03,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:05:03,550 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:05:03,551 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:05:03,552 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl [2018-07-23 16:05:03,553 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl' [2018-07-23 16:05:03,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:05:03,624 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:05:03,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:05:03,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:05:03,625 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:05:03,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:03" (1/1) ... [2018-07-23 16:05:03,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:03" (1/1) ... [2018-07-23 16:05:03,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:03" (1/1) ... [2018-07-23 16:05:03,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:03" (1/1) ... [2018-07-23 16:05:03,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:03" (1/1) ... [2018-07-23 16:05:03,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:03" (1/1) ... [2018-07-23 16:05:03,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:03" (1/1) ... [2018-07-23 16:05:03,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:05:03,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:05:03,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:05:03,702 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:05:03,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:03" (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 16:05:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 16:05:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 16:05:04,787 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 16:05:04,788 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:05:04 BoogieIcfgContainer [2018-07-23 16:05:04,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:05:04,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:05:04,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:05:04,793 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:05:04,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:05:03" (1/2) ... [2018-07-23 16:05:04,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@378b203d and model type pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:05:04, skipping insertion in model container [2018-07-23 16:05:04,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:05:04" (2/2) ... [2018-07-23 16:05:04,797 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl [2018-07-23 16:05:04,807 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:05:04,815 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:05:04,863 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:05:04,864 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:05:04,864 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:05:04,864 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:05:04,864 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:05:04,865 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:05:04,865 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:05:04,865 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:05:04,865 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:05:04,883 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 16:05:04,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 16:05:04,895 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:05:04,897 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 16:05:04,898 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:05:04,904 INFO L82 PathProgramCache]: Analyzing trace with hash 990345, now seen corresponding path program 1 times [2018-07-23 16:05:04,911 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:05:05,632 WARN L169 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-07-23 16:05:05,866 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-07-23 16:05:05,908 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:05:05,909 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 16:05:05,914 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 16:05:05,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 16:05:05,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 16:05:05,924 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 16:05:06,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:05:06,080 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 16:05:06,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 16:05:06,083 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 16:05:06,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:05:06,102 INFO L225 Difference]: With dead ends: 10 [2018-07-23 16:05:06,103 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 16:05:06,107 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 16:05:06,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 16:05:06,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 16:05:06,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 16:05:06,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 16:05:06,155 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 16:05:06,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:05:06,156 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 16:05:06,156 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 16:05:06,156 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 16:05:06,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 16:05:06,157 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:05:06,157 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 16:05:06,157 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:05:06,158 INFO L82 PathProgramCache]: Analyzing trace with hash 951799901, now seen corresponding path program 1 times [2018-07-23 16:05:06,158 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:05:06,439 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-07-23 16:05:06,850 WARN L169 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-07-23 16:05:07,140 WARN L169 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-07-23 16:05:07,335 WARN L169 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-07-23 16:05:07,640 WARN L169 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 131 [2018-07-23 16:05:08,396 WARN L169 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2018-07-23 16:05:09,750 WARN L169 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2018-07-23 16:05:11,513 WARN L169 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2018-07-23 16:05:12,817 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-07-23 16:05:14,342 WARN L169 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 365 [2018-07-23 16:05:16,172 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2018-07-23 16:05:16,971 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-07-23 16:05:18,433 WARN L169 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 485 [2018-07-23 16:05:21,830 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2018-07-23 16:05:22,499 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-07-23 16:05:24,847 WARN L169 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2018-07-23 16:05:30,204 WARN L169 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2018-07-23 16:05:31,289 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2018-07-23 16:05:34,322 WARN L169 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 609 [2018-07-23 16:05:43,453 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2018-07-23 16:05:44,538 WARN L169 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2018-07-23 16:05:49,405 WARN L169 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 613 DAG size of output: 613 [2018-07-23 16:06:02,661 WARN L169 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2018-07-23 16:06:04,462 WARN L169 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2018-07-23 16:06:10,338 WARN L169 SmtUtils]: Spent 4.24 s on a formula simplification that was a NOOP. DAG size: 733 [2018-07-23 16:06:30,701 WARN L169 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2018-07-23 16:06:32,545 WARN L169 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2018-07-23 16:06:42,472 WARN L169 SmtUtils]: Spent 8.13 s on a formula simplification. DAG size of input: 737 DAG size of output: 737 [2018-07-23 16:07:12,445 WARN L169 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 613 [2018-07-23 16:07:15,392 WARN L169 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2018-07-23 16:07:26,264 WARN L169 SmtUtils]: Spent 8.14 s on a formula simplification that was a NOOP. DAG size: 857 [2018-07-23 16:08:13,941 WARN L169 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2018-07-23 16:08:16,957 WARN L169 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2018-07-23 16:08:35,433 WARN L169 SmtUtils]: Spent 15.72 s on a formula simplification. DAG size of input: 861 DAG size of output: 861 [2018-07-23 16:09:37,593 WARN L169 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 692 [2018-07-23 16:09:42,551 WARN L169 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 693 Received shutdown request... [2018-07-23 16:09:50,711 WARN L177 SmtUtils]: Removed 11 from assertion stack [2018-07-23 16:09:50,713 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:09:50,718 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:09:50,718 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:09:50 BoogieIcfgContainer [2018-07-23 16:09:50,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:09:50,720 INFO L168 Benchmark]: Toolchain (without parser) took 287096.80 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -47.2 MB). Free memory was 1.5 GB in the beginning and 898.3 MB in the end (delta: 571.7 MB). Peak memory consumption was 524.5 MB. Max. memory is 7.1 GB. [2018-07-23 16:09:50,721 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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 16:09:50,722 INFO L168 Benchmark]: Boogie Preprocessor took 76.61 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 16:09:50,723 INFO L168 Benchmark]: RCFGBuilder took 1086.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-07-23 16:09:50,724 INFO L168 Benchmark]: TraceAbstraction took 285929.15 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -47.2 MB). Free memory was 1.4 GB in the beginning and 898.3 MB in the end (delta: 518.8 MB). Peak memory consumption was 471.6 MB. Max. memory is 7.1 GB. [2018-07-23 16:09:50,730 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 0.23 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 76.61 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 1086.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 285929.15 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -47.2 MB). Free memory was 1.4 GB in the beginning and 898.3 MB in the end (delta: 518.8 MB). Peak memory consumption was 471.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 386]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 386). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 981. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. TIMEOUT Result, 285.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 1 SDslu, 4 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, 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: 0.9s 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/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-09-50-744.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-09-50-744.csv Completed graceful shutdown