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/count_by_2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:53:04,477 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:53:04,479 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:53:04,493 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:53:04,493 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:53:04,495 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:53:04,497 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:53:04,499 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:53:04,500 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:53:04,501 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:53:04,502 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:53:04,502 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:53:04,503 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:53:04,504 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:53:04,505 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:53:04,506 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:53:04,507 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:53:04,509 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:53:04,511 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:53:04,513 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:53:04,514 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:53:04,515 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:53:04,518 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:53:04,518 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:53:04,518 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:53:04,521 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:53:04,522 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:53:04,523 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:53:04,528 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:53:04,530 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:53:04,530 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:53:04,530 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:53:04,531 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:53:04,531 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:53:04,532 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:53:04,534 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:53:04,534 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 15:53:04,548 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:53:04,548 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:53:04,550 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:53:04,550 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:53:04,550 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:53:04,551 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:53:04,611 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:53:04,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:53:04,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:53:04,634 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:53:04,635 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:53:04,636 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_2.i_3.bpl [2018-07-23 15:53:04,636 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_2.i_3.bpl' [2018-07-23 15:53:04,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:53:04,685 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:53:04,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:53:04,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:53:04,686 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:53:04,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:04" (1/1) ... [2018-07-23 15:53:04,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:04" (1/1) ... [2018-07-23 15:53:04,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:04" (1/1) ... [2018-07-23 15:53:04,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:04" (1/1) ... [2018-07-23 15:53:04,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:04" (1/1) ... [2018-07-23 15:53:04,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:04" (1/1) ... [2018-07-23 15:53:04,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:04" (1/1) ... [2018-07-23 15:53:04,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:53:04,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:53:04,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:53:04,729 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:53:04,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:04" (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 15:53:04,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:53:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:53:05,087 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:53:05,088 INFO L202 PluginConnector]: Adding new model count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:53:05 BoogieIcfgContainer [2018-07-23 15:53:05,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:53:05,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:53:05,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:53:05,093 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:53:05,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:04" (1/2) ... [2018-07-23 15:53:05,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17af73bf and model type count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:53:05, skipping insertion in model container [2018-07-23 15:53:05,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:53:05" (2/2) ... [2018-07-23 15:53:05,097 INFO L112 eAbstractionObserver]: Analyzing ICFG count_by_2.i_3.bpl [2018-07-23 15:53:05,107 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:53:05,116 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:53:05,162 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:53:05,163 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:53:05,163 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:53:05,163 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:53:05,163 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:53:05,164 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:53:05,164 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:53:05,164 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:53:05,164 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:53:05,180 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 15:53:05,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 15:53:05,190 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:53:05,191 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 15:53:05,191 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:53:05,197 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-23 15:53:05,204 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:53:05,440 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:53:05,441 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 15:53:05,445 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 15:53:05,453 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 15:53:05,454 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:53:05,457 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-23 15:53:05,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:53:05,500 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 15:53:05,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:53:05,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-23 15:53:05,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:53:05,514 INFO L225 Difference]: With dead ends: 10 [2018-07-23 15:53:05,514 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 15:53:05,518 INFO L573 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 [2018-07-23 15:53:05,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 15:53:05,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 15:53:05,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 15:53:05,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 15:53:05,568 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 15:53:05,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:53:05,569 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 15:53:05,569 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 15:53:05,569 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 15:53:05,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 15:53:05,570 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:53:05,570 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 15:53:05,570 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:53:05,571 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-23 15:53:05,571 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:53:06,839 WARN L169 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-07-23 15:53:07,556 WARN L169 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-07-23 15:53:07,747 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2018-07-23 15:53:09,598 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-07-23 15:53:11,607 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-07-23 15:53:12,376 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-07-23 15:53:13,095 WARN L169 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-07-23 15:53:13,932 WARN L169 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-07-23 15:53:14,863 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-07-23 15:53:16,239 WARN L169 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-07-23 15:53:17,355 WARN L169 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-07-23 15:53:18,636 WARN L169 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-07-23 15:53:20,020 WARN L169 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-07-23 15:53:21,562 WARN L169 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2018-07-23 15:53:23,137 WARN L169 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2018-07-23 15:53:25,089 WARN L169 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2018-07-23 15:53:27,107 WARN L169 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-07-23 15:53:29,315 WARN L169 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2018-07-23 15:53:31,743 WARN L169 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-07-23 15:53:34,352 WARN L169 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-07-23 15:53:37,177 WARN L169 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-07-23 15:53:40,852 WARN L169 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2018-07-23 15:53:43,624 WARN L169 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-07-23 15:53:45,100 WARN L169 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-07-23 15:53:48,618 WARN L169 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2018-07-23 15:53:52,549 WARN L169 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2018-07-23 15:53:56,498 WARN L169 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2018-07-23 15:54:01,049 WARN L169 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2018-07-23 15:54:05,756 WARN L169 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-07-23 15:54:10,783 WARN L169 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-07-23 15:54:16,243 WARN L169 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2018-07-23 15:54:22,023 WARN L169 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2018-07-23 15:54:28,168 WARN L169 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2018-07-23 15:54:34,558 WARN L169 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2018-07-23 15:54:41,631 WARN L169 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2018-07-23 15:54:48,923 WARN L169 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-07-23 15:54:56,794 WARN L169 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2018-07-23 15:55:04,916 WARN L169 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2018-07-23 15:55:13,922 WARN L169 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 471 [2018-07-23 15:55:23,059 WARN L169 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 481 [2018-07-23 15:55:32,878 WARN L169 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 491 [2018-07-23 15:55:43,207 WARN L169 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2018-07-23 15:55:54,156 WARN L169 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2018-07-23 15:56:05,599 WARN L169 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2018-07-23 15:56:17,384 WARN L169 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2018-07-23 15:56:29,677 WARN L169 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2018-07-23 15:56:42,333 WARN L169 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2018-07-23 15:56:55,799 WARN L169 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-07-23 15:57:09,937 WARN L169 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2018-07-23 15:57:24,802 WARN L169 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2018-07-23 15:57:40,296 WARN L169 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 591 Received shutdown request... [2018-07-23 15:57:53,342 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 15:57:53,347 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 15:57:53,348 INFO L202 PluginConnector]: Adding new model count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 03:57:53 BoogieIcfgContainer [2018-07-23 15:57:53,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 15:57:53,349 INFO L168 Benchmark]: Toolchain (without parser) took 288664.62 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -351.8 MB). Free memory was 1.5 GB in the beginning and 967.0 MB in the end (delta: 489.8 MB). Peak memory consumption was 138.0 MB. Max. memory is 7.1 GB. [2018-07-23 15:57:53,350 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 15:57:53,351 INFO L168 Benchmark]: Boogie Preprocessor took 41.53 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 15:57:53,351 INFO L168 Benchmark]: RCFGBuilder took 360.33 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 15:57:53,352 INFO L168 Benchmark]: TraceAbstraction took 288258.46 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -351.8 MB). Free memory was 1.4 GB in the beginning and 967.0 MB in the end (delta: 468.7 MB). Peak memory consumption was 116.9 MB. Max. memory is 7.1 GB. [2018-07-23 15:57:53,356 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 0.20 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 41.53 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 360.33 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 288258.46 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -351.8 MB). Free memory was 1.4 GB in the beginning and 967.0 MB in the end (delta: 468.7 MB). Peak memory consumption was 116.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 31]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 31). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 288.1s 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_by_2.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_15-57-53-367.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_2.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_15-57-53-367.csv Completed graceful shutdown