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-z3.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:45:11,359 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:45:11,361 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:45:11,373 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:45:11,374 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:45:11,375 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:45:11,376 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:45:11,378 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:45:11,379 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:45:11,380 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:45:11,381 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:45:11,382 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:45:11,383 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:45:11,384 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:45:11,385 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:45:11,386 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:45:11,386 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:45:11,388 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:45:11,390 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:45:11,392 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:45:11,393 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:45:11,394 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:45:11,397 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:45:11,397 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:45:11,397 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:45:11,398 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:45:11,400 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:45:11,400 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:45:11,401 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:45:11,402 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:45:11,403 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:45:11,403 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:45:11,404 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:45:11,404 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:45:11,405 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:45:11,406 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:45:11,406 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 08:45:11,414 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:45:11,414 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:45:11,416 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:45:11,416 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:45:11,416 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:45:11,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:45:11,416 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:45:11,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:45:11,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:45:11,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:45:11,495 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:45:11,496 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:45:11,496 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_2.i_3.bpl [2018-09-26 08:45:11,497 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_2.i_3.bpl' [2018-09-26 08:45:11,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:45:11,546 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:45:11,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:45:11,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:45:11,547 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:45:11,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:45:11" (1/1) ... [2018-09-26 08:45:11,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:45:11" (1/1) ... [2018-09-26 08:45:11,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:45:11,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:45:11,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:45:11,586 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:45:11,598 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 26.09 08:45:11" (1/1) ... [2018-09-26 08:45:11,598 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 26.09 08:45:11" (1/1) ... [2018-09-26 08:45:11,599 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 26.09 08:45:11" (1/1) ... [2018-09-26 08:45:11,599 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 26.09 08:45:11" (1/1) ... [2018-09-26 08:45:11,604 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 26.09 08:45:11" (1/1) ... [2018-09-26 08:45:11,605 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 26.09 08:45:11" (1/1) ... [2018-09-26 08:45:11,606 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 26.09 08:45:11" (1/1) ... [2018-09-26 08:45:11,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:45:11,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:45:11,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:45:11,608 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:45:11,609 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 26.09 08:45:11" (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 [2018-09-26 08:45:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:45:11,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:45:11,879 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:45:11,880 INFO L202 PluginConnector]: Adding new model count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:45:11 BoogieIcfgContainer [2018-09-26 08:45:11,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:45:11,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:45:11,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:45:11,885 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:45:11,885 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 26.09 08:45:11" (1/2) ... [2018-09-26 08:45:11,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec241c0 and model type count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:45:11, skipping insertion in model container [2018-09-26 08:45:11,887 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 26.09 08:45:11" (2/2) ... [2018-09-26 08:45:11,888 INFO L112 eAbstractionObserver]: Analyzing ICFG count_by_2.i_3.bpl [2018-09-26 08:45:11,899 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:45:11,908 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:45:11,965 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:45:11,966 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:45:11,966 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:45:11,966 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:45:11,966 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:45:11,967 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:45:11,967 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:45:11,967 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:45:11,967 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:45:11,985 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:45:11,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:45:11,997 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:45:11,998 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:45:12,000 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:45:12,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:45:12,015 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:45:12,037 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:45:12,330 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:45:12,330 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:45:12,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:45:12,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:45:12,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:45:12,344 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 08:45:12,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:45:12,408 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:45:12,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:45:12,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 08:45:12,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:45:12,424 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:45:12,425 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:45:12,430 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 08:45:12,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:45:12,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:45:12,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:45:12,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:45:12,484 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:45:12,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:45:12,488 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:45:12,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:45:12,488 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:45:12,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:45:12,489 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:45:12,489 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:45:12,490 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:45:12,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:45:12,490 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:45:12,524 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:45:13,696 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-09-26 08:45:14,280 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-09-26 08:45:16,439 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-09-26 08:45:18,393 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-09-26 08:45:19,208 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-09-26 08:45:19,932 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-09-26 08:45:20,695 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-26 08:45:21,687 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-09-26 08:45:23,004 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-09-26 08:45:24,150 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-09-26 08:45:25,337 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-09-26 08:45:26,741 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-09-26 08:45:28,250 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2018-09-26 08:45:29,839 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2018-09-26 08:45:31,734 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2018-09-26 08:45:33,636 WARN L178 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-09-26 08:45:35,752 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2018-09-26 08:45:38,135 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-09-26 08:45:40,700 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-09-26 08:45:43,418 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-09-26 08:45:47,021 WARN L178 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2018-09-26 08:45:49,755 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-09-26 08:45:51,296 WARN L178 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-09-26 08:45:54,703 WARN L178 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2018-09-26 08:45:58,467 WARN L178 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2018-09-26 08:46:02,527 WARN L178 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2018-09-26 08:46:06,745 WARN L178 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2018-09-26 08:46:11,334 WARN L178 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-09-26 08:46:16,275 WARN L178 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-09-26 08:46:21,452 WARN L178 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2018-09-26 08:46:26,880 WARN L178 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2018-09-26 08:46:32,957 WARN L178 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2018-09-26 08:46:39,245 WARN L178 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2018-09-26 08:46:46,475 WARN L178 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2018-09-26 08:46:53,638 WARN L178 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-09-26 08:47:01,026 WARN L178 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2018-09-26 08:47:08,926 WARN L178 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2018-09-26 08:47:17,310 WARN L178 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 471 [2018-09-26 08:47:26,327 WARN L178 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 481 [2018-09-26 08:47:35,908 WARN L178 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 491 [2018-09-26 08:47:45,920 WARN L178 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2018-09-26 08:47:56,398 WARN L178 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2018-09-26 08:48:07,601 WARN L178 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2018-09-26 08:48:19,184 WARN L178 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2018-09-26 08:48:31,513 WARN L178 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2018-09-26 08:48:44,453 WARN L178 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2018-09-26 08:48:57,838 WARN L178 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-09-26 08:49:11,955 WARN L178 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2018-09-26 08:49:26,665 WARN L178 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2018-09-26 08:49:41,970 WARN L178 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 591 Received shutdown request... [2018-09-26 08:49:55,689 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:49:55,689 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 08:49:55,695 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 08:49:55,695 INFO L202 PluginConnector]: Adding new model count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:49:55 BoogieIcfgContainer [2018-09-26 08:49:55,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:49:55,696 INFO L168 Benchmark]: Toolchain (without parser) took 284153.48 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -358.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 334.3 MB). Peak memory consumption was 230.9 MB. Max. memory is 7.1 GB. [2018-09-26 08:49:55,697 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 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 08:49:55,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.28 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 08:49:55,698 INFO L168 Benchmark]: Boogie Preprocessor took 21.30 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 08:49:55,699 INFO L168 Benchmark]: RCFGBuilder took 272.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 08:49:55,700 INFO L168 Benchmark]: TraceAbstraction took 283814.17 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -358.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 313.2 MB). Peak memory consumption was 209.7 MB. Max. memory is 7.1 GB. [2018-09-26 08:49:55,704 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 0.17 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 39.28 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 21.30 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 272.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 283814.17 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -358.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 313.2 MB). Peak memory consumption was 209.7 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 PredicateComparison was comparing new predicate (quantifier-free) to 180 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 283.7s 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-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-49-55-715.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_2.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-49-55-715.csv Completed graceful shutdown