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_k.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:53:05,763 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:53:05,765 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:53:05,784 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:53:05,785 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:53:05,787 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:53:05,788 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:53:05,790 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:53:05,792 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:53:05,794 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:53:05,795 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:53:05,795 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:53:05,797 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:53:05,798 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:53:05,801 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:53:05,802 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:53:05,803 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:53:05,812 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:53:05,814 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:53:05,817 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:53:05,819 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:53:05,820 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:53:05,822 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:53:05,822 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:53:05,823 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:53:05,825 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:53:05,826 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:53:05,827 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:53:05,828 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:53:05,829 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:53:05,829 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:53:05,831 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:53:05,832 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:53:05,832 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:53:05,833 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:53:05,833 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:53:05,834 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 15:53:05,847 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:53:05,848 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:53:05,849 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:53:05,851 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:53:05,852 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:53:05,852 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:53:05,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:53:05,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:53:05,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:53:05,943 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:53:05,943 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:53:05,944 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl [2018-07-23 15:53:05,944 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl' [2018-07-23 15:53:05,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:53:05,988 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:53:05,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:53:05,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:53:05,989 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:53:06,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:05" (1/1) ... [2018-07-23 15:53:06,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:05" (1/1) ... [2018-07-23 15:53:06,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:05" (1/1) ... [2018-07-23 15:53:06,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:05" (1/1) ... [2018-07-23 15:53:06,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:05" (1/1) ... [2018-07-23 15:53:06,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:05" (1/1) ... [2018-07-23 15:53:06,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:05" (1/1) ... [2018-07-23 15:53:06,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:53:06,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:53:06,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:53:06,034 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:53:06,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:05" (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 15:53:06,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:53:06,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:53:06,255 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:53:06,256 INFO L202 PluginConnector]: Adding new model count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:53:06 BoogieIcfgContainer [2018-07-23 15:53:06,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:53:06,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:53:06,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:53:06,261 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:53:06,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:53:05" (1/2) ... [2018-07-23 15:53:06,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78de6021 and model type count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:53:06, skipping insertion in model container [2018-07-23 15:53:06,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:53:06" (2/2) ... [2018-07-23 15:53:06,264 INFO L112 eAbstractionObserver]: Analyzing ICFG count_by_k.i_3.bpl [2018-07-23 15:53:06,274 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:53:06,282 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:53:06,329 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:53:06,330 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:53:06,330 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:53:06,330 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:53:06,330 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:53:06,330 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:53:06,331 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:53:06,331 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:53:06,331 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:53:06,346 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 15:53:06,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 15:53:06,354 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:53:06,355 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 15:53:06,356 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:53:06,361 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-23 15:53:06,368 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:53:06,705 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:53:06,705 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 15:53:06,710 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 15:53:06,716 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 15:53:06,717 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:53:06,721 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-23 15:53:06,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:53:06,764 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 15:53:06,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:53:06,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-23 15:53:06,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:53:06,778 INFO L225 Difference]: With dead ends: 10 [2018-07-23 15:53:06,778 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 15:53:06,782 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:53:06,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 15:53:06,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 15:53:06,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 15:53:06,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 15:53:06,814 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 15:53:06,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:53:06,815 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 15:53:06,815 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 15:53:06,815 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 15:53:06,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 15:53:06,816 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:53:06,816 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 15:53:06,817 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:53:06,817 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-23 15:53:06,817 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:53:07,359 WARN L169 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-07-23 15:53:08,009 WARN L169 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-07-23 15:53:08,802 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-07-23 15:53:09,816 WARN L169 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-07-23 15:53:10,895 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2018-07-23 15:53:11,366 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-07-23 15:53:11,861 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-07-23 15:53:12,550 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-07-23 15:53:13,264 WARN L169 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-07-23 15:53:14,351 WARN L169 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2018-07-23 15:53:15,217 WARN L169 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-07-23 15:53:16,215 WARN L169 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-07-23 15:53:17,367 WARN L169 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2018-07-23 15:53:18,981 WARN L169 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-07-23 15:53:20,331 WARN L169 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-07-23 15:53:21,868 WARN L169 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2018-07-23 15:53:23,603 WARN L169 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2018-07-23 15:53:25,512 WARN L169 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-07-23 15:53:27,575 WARN L169 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-07-23 15:53:29,929 WARN L169 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2018-07-23 15:53:32,408 WARN L169 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2018-07-23 15:53:35,296 WARN L169 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-07-23 15:53:38,371 WARN L169 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2018-07-23 15:53:41,536 WARN L169 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2018-07-23 15:53:45,165 WARN L169 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2018-07-23 15:53:49,458 WARN L169 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-07-23 15:53:54,351 WARN L169 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-07-23 15:53:58,837 WARN L169 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2018-07-23 15:54:02,164 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-07-23 15:54:03,674 WARN L169 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-07-23 15:54:08,932 WARN L169 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2018-07-23 15:54:14,607 WARN L169 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2018-07-23 15:54:20,759 WARN L169 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2018-07-23 15:54:27,236 WARN L169 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2018-07-23 15:54:34,052 WARN L169 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 467 [2018-07-23 15:54:41,157 WARN L169 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 479 [2018-07-23 15:54:48,754 WARN L169 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 491 [2018-07-23 15:54:56,908 WARN L169 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2018-07-23 15:55:05,605 WARN L169 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2018-07-23 15:55:14,907 WARN L169 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2018-07-23 15:55:24,671 WARN L169 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2018-07-23 15:55:35,126 WARN L169 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2018-07-23 15:55:46,136 WARN L169 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2018-07-23 15:55:57,713 WARN L169 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2018-07-23 15:56:09,760 WARN L169 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2018-07-23 15:56:22,688 WARN L169 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2018-07-23 15:56:36,628 WARN L169 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2018-07-23 15:56:50,921 WARN L169 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 623 [2018-07-23 15:57:05,919 WARN L169 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2018-07-23 15:57:22,120 WARN L169 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 647 [2018-07-23 15:57:38,854 WARN L169 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 659 Received shutdown request... [2018-07-23 15:57:52,322 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 15:57:52,326 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 15:57:52,326 INFO L202 PluginConnector]: Adding new model count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 03:57:52 BoogieIcfgContainer [2018-07-23 15:57:52,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 15:57:52,327 INFO L168 Benchmark]: Toolchain (without parser) took 286340.31 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -265.8 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 344.4 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. [2018-07-23 15:57:52,329 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 15:57:52,329 INFO L168 Benchmark]: Boogie Preprocessor took 44.42 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 15:57:52,330 INFO L168 Benchmark]: RCFGBuilder took 223.06 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. [2018-07-23 15:57:52,331 INFO L168 Benchmark]: TraceAbstraction took 286069.04 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -265.8 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 323.2 MB). Peak memory consumption was 57.4 MB. Max. memory is 7.1 GB. [2018-07-23 15:57:52,334 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 44.42 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 223.06 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 286069.04 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -265.8 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 323.2 MB). Peak memory consumption was 57.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 38]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 38). 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, 286.0s 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, 0.2s 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: 0.3s 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_k.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_15-57-52-344.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_k.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_15-57-52-344.csv Completed graceful shutdown