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.5.ufo.BOUNDED-10.pals.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:06:03,352 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:06:03,354 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:06:03,367 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:06:03,367 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:06:03,368 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:06:03,369 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:06:03,371 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:06:03,372 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:06:03,373 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:06:03,374 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:06:03,374 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:06:03,375 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:06:03,376 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:06:03,377 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:06:03,378 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:06:03,379 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:06:03,381 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:06:03,382 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:06:03,384 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:06:03,385 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:06:03,386 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:06:03,389 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:06:03,389 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:06:03,389 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:06:03,390 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:06:03,391 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:06:03,392 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:06:03,393 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:06:03,394 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:06:03,394 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:06:03,395 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:06:03,395 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:06:03,396 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:06:03,397 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:06:03,397 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:06:03,398 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 16:06:03,406 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:06:03,406 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:06:03,407 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:06:03,407 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:06:03,408 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:06:03,408 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:06:03,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:06:03,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:06:03,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:06:03,493 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:06:03,494 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:06:03,494 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl [2018-07-23 16:06:03,495 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl' [2018-07-23 16:06:03,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:06:03,586 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:06:03,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:06:03,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:06:03,587 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:06:03,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:06:03" (1/1) ... [2018-07-23 16:06:03,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:06:03" (1/1) ... [2018-07-23 16:06:03,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:06:03" (1/1) ... [2018-07-23 16:06:03,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:06:03" (1/1) ... [2018-07-23 16:06:03,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:06:03" (1/1) ... [2018-07-23 16:06:03,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:06:03" (1/1) ... [2018-07-23 16:06:03,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:06:03" (1/1) ... [2018-07-23 16:06:03,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:06:03,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:06:03,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:06:03,685 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:06:03,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:06:03" (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 16:06:03,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 16:06:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 16:06:04,930 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 16:06:04,931 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:06:04 BoogieIcfgContainer [2018-07-23 16:06:04,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:06:04,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:06:04,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:06:04,941 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:06:04,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:06:03" (1/2) ... [2018-07-23 16:06:04,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60385ffc and model type pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:06:04, skipping insertion in model container [2018-07-23 16:06:04,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:06:04" (2/2) ... [2018-07-23 16:06:04,945 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl [2018-07-23 16:06:04,956 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:06:04,969 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:06:05,023 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:06:05,024 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:06:05,024 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:06:05,024 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:06:05,024 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:06:05,025 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:06:05,025 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:06:05,025 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:06:05,026 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:06:05,045 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 16:06:05,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 16:06:05,057 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:06:05,058 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 16:06:05,059 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:06:05,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1001172, now seen corresponding path program 1 times [2018-07-23 16:06:05,072 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:06:05,834 WARN L169 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-07-23 16:06:06,079 WARN L169 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-07-23 16:06:06,108 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:06:06,108 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 16:06:06,113 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 16:06:06,119 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 16:06:06,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 16:06:06,123 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 16:06:06,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:06:06,200 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 16:06:06,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 16:06:06,202 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 16:06:06,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:06:06,213 INFO L225 Difference]: With dead ends: 10 [2018-07-23 16:06:06,213 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 16:06:06,217 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 16:06:06,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 16:06:06,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 16:06:06,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 16:06:06,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 16:06:06,253 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 16:06:06,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:06:06,254 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 16:06:06,254 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 16:06:06,254 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 16:06:06,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 16:06:06,255 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:06:06,255 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 16:06:06,255 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:06:06,256 INFO L82 PathProgramCache]: Analyzing trace with hash 962207787, now seen corresponding path program 1 times [2018-07-23 16:06:06,256 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:06:06,769 WARN L169 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-07-23 16:06:07,031 WARN L169 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-07-23 16:06:07,252 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-07-23 16:06:07,488 WARN L169 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-07-23 16:06:07,831 WARN L169 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 139 [2018-07-23 16:06:08,153 WARN L169 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 251 [2018-07-23 16:06:08,726 WARN L169 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-07-23 16:06:10,132 WARN L169 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 285 [2018-07-23 16:06:11,045 WARN L169 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 343 [2018-07-23 16:06:11,491 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 344 [2018-07-23 16:06:12,499 WARN L169 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-07-23 16:06:13,923 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2018-07-23 16:06:14,358 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2018-07-23 16:06:15,615 WARN L169 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 427 [2018-07-23 16:06:18,504 WARN L169 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 436 [2018-07-23 16:06:19,518 WARN L169 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2018-07-23 16:06:21,040 WARN L169 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2018-07-23 16:06:25,486 WARN L169 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 440 [2018-07-23 16:06:26,369 WARN L169 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-07-23 16:06:28,970 WARN L169 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2018-07-23 16:06:36,537 WARN L169 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 529 [2018-07-23 16:06:38,777 WARN L169 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2018-07-23 16:06:42,331 WARN L169 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 727 [2018-07-23 16:06:55,308 WARN L169 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2018-07-23 16:06:57,465 WARN L169 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2018-07-23 16:07:03,016 WARN L169 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 730 DAG size of output: 730 [2018-07-23 16:07:24,370 WARN L169 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 623 DAG size of output: 621 [2018-07-23 16:07:28,388 WARN L169 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 622 [2018-07-23 16:07:35,032 WARN L169 SmtUtils]: Spent 4.10 s on a formula simplification that was a NOOP. DAG size: 878 [2018-07-23 16:08:10,894 WARN L169 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2018-07-23 16:08:15,369 WARN L169 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 627 [2018-07-23 16:08:26,297 WARN L169 SmtUtils]: Spent 7.83 s on a formula simplification. DAG size of input: 882 DAG size of output: 882 [2018-07-23 16:09:32,585 WARN L169 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 717 DAG size of output: 715 [2018-07-23 16:09:39,919 WARN L169 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 716 [2018-07-23 16:09:54,067 WARN L169 SmtUtils]: Spent 7.77 s on a formula simplification that was a NOOP. DAG size: 1030 Received shutdown request... [2018-07-23 16:10:52,003 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:10:52,010 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:10:52,010 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:10:52 BoogieIcfgContainer [2018-07-23 16:10:52,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:10:52,012 INFO L168 Benchmark]: Toolchain (without parser) took 288426.75 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 132.1 MB). Free memory was 1.5 GB in the beginning and 922.9 MB in the end (delta: 551.2 MB). Peak memory consumption was 683.3 MB. Max. memory is 7.1 GB. [2018-07-23 16:10:52,013 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 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 16:10:52,014 INFO L168 Benchmark]: Boogie Preprocessor took 97.39 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 16:10:52,015 INFO L168 Benchmark]: RCFGBuilder took 1246.96 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-07-23 16:10:52,016 INFO L168 Benchmark]: TraceAbstraction took 287077.16 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 132.1 MB). Free memory was 1.4 GB in the beginning and 922.9 MB in the end (delta: 487.8 MB). Peak memory consumption was 619.9 MB. Max. memory is 7.1 GB. [2018-07-23 16:10:52,021 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 0.24 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 97.39 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 1246.96 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 287077.16 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 132.1 MB). Free memory was 1.4 GB in the beginning and 922.9 MB in the end (delta: 487.8 MB). Peak memory consumption was 619.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 467]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 467). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 42 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. TIMEOUT Result, 286.9s 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, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s 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.5.ufo.BOUNDED-10.pals.c_11.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-10-52-037.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-10-52-037.csv Completed graceful shutdown