java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_up_down.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:35:39,039 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:35:39,041 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:35:39,056 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:35:39,056 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:35:39,057 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:35:39,058 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:35:39,060 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:35:39,062 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:35:39,063 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:35:39,063 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:35:39,064 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:35:39,065 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:35:39,066 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:35:39,067 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:35:39,068 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:35:39,069 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:35:39,071 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:35:39,073 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:35:39,074 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:35:39,076 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:35:39,077 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:35:39,080 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:35:39,080 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:35:39,081 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:35:39,082 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:35:39,083 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:35:39,084 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:35:39,085 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:35:39,092 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:35:39,092 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:35:39,093 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:35:39,093 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:35:39,096 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:35:39,097 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:35:39,098 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:35:39,098 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-09-26 09:35:39,114 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:35:39,116 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:35:39,117 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 09:35:39,117 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 09:35:39,118 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:35:39,118 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:35:39,118 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 09:35:39,118 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:35:39,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:35:39,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:35:39,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:35:39,207 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:35:39,207 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:35:39,208 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_up_down.i_3.bpl [2018-09-26 09:35:39,209 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_up_down.i_3.bpl' [2018-09-26 09:35:39,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:35:39,276 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:35:39,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:35:39,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:35:39,278 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:35:39,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:39" (1/1) ... [2018-09-26 09:35:39,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:39" (1/1) ... [2018-09-26 09:35:39,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:35:39,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:35:39,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:35:39,335 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:35:39,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:39" (1/1) ... [2018-09-26 09:35:39,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:39" (1/1) ... [2018-09-26 09:35:39,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:39" (1/1) ... [2018-09-26 09:35:39,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:39" (1/1) ... [2018-09-26 09:35:39,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:39" (1/1) ... [2018-09-26 09:35:39,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:39" (1/1) ... [2018-09-26 09:35:39,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:39" (1/1) ... [2018-09-26 09:35:39,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:35:39,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:35:39,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:35:39,356 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:35:39,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:39" (1/1) ... [2018-09-26 09:35:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:35:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:35:39,584 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:35:39,585 INFO L202 PluginConnector]: Adding new model count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:35:39 BoogieIcfgContainer [2018-09-26 09:35:39,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:35:39,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:35:39,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:35:39,590 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:35:39,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:35:39" (1/2) ... [2018-09-26 09:35:39,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f938b9d and model type count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:35:39, skipping insertion in model container [2018-09-26 09:35:39,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:35:39" (2/2) ... [2018-09-26 09:35:39,596 INFO L112 eAbstractionObserver]: Analyzing ICFG count_up_down.i_3.bpl [2018-09-26 09:35:39,607 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:35:39,616 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:35:39,667 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:35:39,668 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:35:39,669 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:35:39,669 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:35:39,669 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:35:39,669 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:35:39,669 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:35:39,670 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:35:39,670 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:35:39,687 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 09:35:39,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:35:39,701 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:35:39,702 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:35:39,704 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:35:39,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:35:39,717 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-09-26 09:35:39,726 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:35:40,000 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:35:40,000 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:35:40,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:35:40,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:35:40,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:35:40,018 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 09:35:40,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:35:40,054 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 09:35:40,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:35:40,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 09:35:40,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:35:40,074 INFO L225 Difference]: With dead ends: 10 [2018-09-26 09:35:40,074 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 09:35:40,078 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:35:40,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 09:35:40,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 09:35:40,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 09:35:40,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 09:35:40,122 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 09:35:40,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:35:40,122 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 09:35:40,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:35:40,123 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 09:35:40,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:35:40,123 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:35:40,124 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 09:35:40,124 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:35:40,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:35:40,125 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-09-26 09:35:40,125 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:35:41,655 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-09-26 09:35:42,312 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-09-26 09:35:43,116 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-09-26 09:35:44,072 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-09-26 09:35:45,078 WARN L178 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-09-26 09:35:46,314 WARN L178 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-26 09:35:47,752 WARN L178 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-09-26 09:35:49,135 WARN L178 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-09-26 09:35:50,889 WARN L178 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-09-26 09:35:52,776 WARN L178 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-26 09:35:55,157 WARN L178 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-09-26 09:35:57,712 WARN L178 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2018-09-26 09:36:01,038 WARN L178 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 207 [2018-09-26 09:36:04,253 WARN L178 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-09-26 09:36:07,066 WARN L178 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2018-09-26 09:36:09,891 WARN L178 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-09-26 09:36:13,264 WARN L178 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 255 [2018-09-26 09:36:16,981 WARN L178 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 267 [2018-09-26 09:36:21,120 WARN L178 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 279 [2018-09-26 09:36:26,467 WARN L178 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 291 [2018-09-26 09:36:31,892 WARN L178 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 303 [2018-09-26 09:36:38,245 WARN L178 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 315 [2018-09-26 09:36:45,448 WARN L178 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 327 [2018-09-26 09:36:53,350 WARN L178 SmtUtils]: Spent 2.85 s on a formula simplification that was a NOOP. DAG size: 339 [2018-09-26 09:37:02,287 WARN L178 SmtUtils]: Spent 3.20 s on a formula simplification that was a NOOP. DAG size: 351 [2018-09-26 09:37:11,379 WARN L178 SmtUtils]: Spent 3.38 s on a formula simplification that was a NOOP. DAG size: 363 [2018-09-26 09:37:22,220 WARN L178 SmtUtils]: Spent 4.08 s on a formula simplification that was a NOOP. DAG size: 375 [2018-09-26 09:37:35,048 WARN L178 SmtUtils]: Spent 5.23 s on a formula simplification that was a NOOP. DAG size: 387 [2018-09-26 09:37:49,556 WARN L178 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 399 [2018-09-26 09:38:04,152 WARN L178 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 411 [2018-09-26 09:38:20,916 WARN L178 SmtUtils]: Spent 7.59 s on a formula simplification that was a NOOP. DAG size: 423 [2018-09-26 09:38:37,086 WARN L178 SmtUtils]: Spent 6.21 s on a formula simplification that was a NOOP. DAG size: 435 [2018-09-26 09:38:55,415 WARN L178 SmtUtils]: Spent 7.34 s on a formula simplification that was a NOOP. DAG size: 447 [2018-09-26 09:39:16,543 WARN L178 SmtUtils]: Spent 8.55 s on a formula simplification that was a NOOP. DAG size: 459 [2018-09-26 09:39:38,826 WARN L178 SmtUtils]: Spent 9.60 s on a formula simplification that was a NOOP. DAG size: 471 Received shutdown request... [2018-09-26 09:39:58,802 WARN L186 SmtUtils]: Removed 16 from assertion stack [2018-09-26 09:39:58,805 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:39:58,815 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:39:58,815 INFO L202 PluginConnector]: Adding new model count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:39:58 BoogieIcfgContainer [2018-09-26 09:39:58,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:39:58,817 INFO L168 Benchmark]: Toolchain (without parser) took 259542.90 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 277.3 MB). Free memory was 1.5 GB in the beginning and 848.3 MB in the end (delta: 610.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-26 09:39:58,818 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:39:58,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.88 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. [2018-09-26 09:39:58,820 INFO L168 Benchmark]: Boogie Preprocessor took 20.88 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. [2018-09-26 09:39:58,821 INFO L168 Benchmark]: RCFGBuilder took 229.22 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-26 09:39:58,822 INFO L168 Benchmark]: TraceAbstraction took 259229.19 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 277.3 MB). Free memory was 1.4 GB in the beginning and 848.3 MB in the end (delta: 599.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-26 09:39:58,826 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 56.88 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 20.88 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 229.22 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 259229.19 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 277.3 MB). Free memory was 1.4 GB in the beginning and 848.3 MB in the end (delta: 599.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 43]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 43). 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 483. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 259.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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: 0.2s 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/count_up_down.i_3.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-39-58-848.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_up_down.i_3.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-39-58-848.csv Completed graceful shutdown