java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:14:49,867 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:14:49,869 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:14:49,881 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:14:49,882 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:14:49,883 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:14:49,884 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:14:49,886 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:14:49,887 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:14:49,888 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:14:49,889 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:14:49,889 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:14:49,890 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:14:49,894 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:14:49,897 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:14:49,900 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:14:49,900 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:14:49,905 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:14:49,910 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:14:49,912 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:14:49,913 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:14:49,916 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:14:49,922 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:14:49,922 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:14:49,922 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:14:49,923 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:14:49,926 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:14:49,927 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:14:49,927 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:14:49,930 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:14:49,930 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:14:49,931 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:14:49,931 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:14:49,931 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:14:49,934 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:14:49,935 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:14:49,935 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:14:49,947 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:14:49,948 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:14:49,950 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:14:49,950 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:14:49,950 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:14:49,950 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:14:50,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:14:50,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:14:50,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:14:50,029 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:14:50,030 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:14:50,031 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_2.i_3.bpl [2018-07-25 09:14:50,031 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_2.i_3.bpl' [2018-07-25 09:14:50,073 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:14:50,074 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:14:50,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:14:50,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:14:50,075 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:14:50,093 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 25.07 09:14:50" (1/1) ... [2018-07-25 09:14:50,102 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 25.07 09:14:50" (1/1) ... [2018-07-25 09:14:50,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:14:50,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:14:50,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:14:50,110 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:14:50,121 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 25.07 09:14:50" (1/1) ... [2018-07-25 09:14:50,121 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 25.07 09:14:50" (1/1) ... [2018-07-25 09:14:50,122 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 25.07 09:14:50" (1/1) ... [2018-07-25 09:14:50,122 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 25.07 09:14:50" (1/1) ... [2018-07-25 09:14:50,124 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 25.07 09:14:50" (1/1) ... [2018-07-25 09:14:50,126 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 25.07 09:14:50" (1/1) ... [2018-07-25 09:14:50,127 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 25.07 09:14:50" (1/1) ... [2018-07-25 09:14:50,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:14:50,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:14:50,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:14:50,130 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:14:50,131 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 25.07 09:14:50" (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 [2018-07-25 09:14:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 09:14:50,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 09:14:50,449 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 09:14:50,450 INFO L202 PluginConnector]: Adding new model count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:14:50 BoogieIcfgContainer [2018-07-25 09:14:50,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:14:50,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:14:50,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:14:50,455 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:14:50,455 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 25.07 09:14:50" (1/2) ... [2018-07-25 09:14:50,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9e7af0 and model type count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:14:50, skipping insertion in model container [2018-07-25 09:14:50,456 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 25.07 09:14:50" (2/2) ... [2018-07-25 09:14:50,458 INFO L112 eAbstractionObserver]: Analyzing ICFG count_by_2.i_3.bpl [2018-07-25 09:14:50,468 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:14:50,475 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:14:50,520 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:14:50,521 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:14:50,522 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:14:50,522 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:14:50,522 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:14:50,522 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:14:50,522 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:14:50,523 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:14:50,523 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:14:50,537 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 09:14:50,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:14:50,545 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:14:50,546 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:14:50,547 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:14:50,553 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-25 09:14:50,559 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:14:50,777 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:14:50,778 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 09:14:50,782 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 09:14:50,789 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 09:14:50,790 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:14:50,792 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 09:14:50,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:14:50,827 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 09:14:50,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 09:14:50,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 09:14:50,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:14:50,841 INFO L225 Difference]: With dead ends: 10 [2018-07-25 09:14:50,841 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 09:14:50,845 INFO L574 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 [2018-07-25 09:14:50,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 09:14:50,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 09:14:50,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 09:14:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 09:14:50,880 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 09:14:50,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:14:50,880 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 09:14:50,880 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 09:14:50,881 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 09:14:50,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:14:50,881 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:14:50,882 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 09:14:50,882 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:14:50,882 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-25 09:14:50,883 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:14:52,080 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-07-25 09:14:52,704 WARN L169 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-07-25 09:14:52,911 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2018-07-25 09:14:54,645 WARN L169 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-07-25 09:14:56,618 WARN L169 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-07-25 09:14:57,432 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-07-25 09:14:58,148 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-07-25 09:14:58,931 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-07-25 09:14:59,841 WARN L169 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-07-25 09:15:01,170 WARN L169 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-07-25 09:15:02,276 WARN L169 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-07-25 09:15:03,496 WARN L169 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-07-25 09:15:04,810 WARN L169 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-07-25 09:15:06,321 WARN L169 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2018-07-25 09:15:07,998 WARN L169 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2018-07-25 09:15:09,818 WARN L169 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2018-07-25 09:15:11,751 WARN L169 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-07-25 09:15:13,814 WARN L169 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2018-07-25 09:15:16,155 WARN L169 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-07-25 09:15:18,726 WARN L169 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-07-25 09:15:21,464 WARN L169 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-07-25 09:15:24,927 WARN L169 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2018-07-25 09:15:27,592 WARN L169 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-07-25 09:15:29,154 WARN L169 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-07-25 09:15:32,454 WARN L169 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2018-07-25 09:15:36,147 WARN L169 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2018-07-25 09:15:39,988 WARN L169 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2018-07-25 09:15:44,381 WARN L169 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2018-07-25 09:15:49,024 WARN L169 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-07-25 09:15:53,840 WARN L169 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-07-25 09:15:59,045 WARN L169 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2018-07-25 09:16:04,541 WARN L169 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2018-07-25 09:16:10,366 WARN L169 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2018-07-25 09:16:16,465 WARN L169 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2018-07-25 09:16:23,314 WARN L169 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2018-07-25 09:16:30,259 WARN L169 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-07-25 09:16:37,639 WARN L169 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2018-07-25 09:16:45,427 WARN L169 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2018-07-25 09:16:53,651 WARN L169 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 471 [2018-07-25 09:17:02,419 WARN L169 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 481 [2018-07-25 09:17:11,601 WARN L169 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 491 [2018-07-25 09:17:21,386 WARN L169 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2018-07-25 09:17:31,755 WARN L169 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2018-07-25 09:17:42,472 WARN L169 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2018-07-25 09:17:53,860 WARN L169 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2018-07-25 09:18:06,010 WARN L169 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2018-07-25 09:18:18,778 WARN L169 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2018-07-25 09:18:32,005 WARN L169 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-07-25 09:18:46,026 WARN L169 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2018-07-25 09:19:00,563 WARN L169 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2018-07-25 09:19:16,097 WARN L169 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2018-07-25 09:19:32,012 WARN L169 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 601 Received shutdown request... [2018-07-25 09:19:38,684 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 09:19:38,688 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 09:19:38,688 INFO L202 PluginConnector]: Adding new model count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:19:38 BoogieIcfgContainer [2018-07-25 09:19:38,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:19:38,689 INFO L168 Benchmark]: Toolchain (without parser) took 288615.61 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -219.7 MB). Free memory was 1.5 GB in the beginning and 939.7 MB in the end (delta: 535.5 MB). Peak memory consumption was 315.8 MB. Max. memory is 7.1 GB. [2018-07-25 09:19:38,691 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-07-25 09:19:38,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.93 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. [2018-07-25 09:19:38,692 INFO L168 Benchmark]: Boogie Preprocessor took 19.38 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. [2018-07-25 09:19:38,692 INFO L168 Benchmark]: RCFGBuilder took 321.20 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. [2018-07-25 09:19:38,693 INFO L168 Benchmark]: TraceAbstraction took 288236.81 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -219.7 MB). Free memory was 1.5 GB in the beginning and 939.7 MB in the end (delta: 514.4 MB). Peak memory consumption was 294.7 MB. Max. memory is 7.1 GB. [2018-07-25 09:19:38,697 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 0.19 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 33.93 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 19.38 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 321.20 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 288236.81 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -219.7 MB). Free memory was 1.5 GB in the beginning and 939.7 MB in the end (delta: 514.4 MB). Peak memory consumption was 294.7 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 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: 0.1s 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_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-19-38-709.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_2.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-19-38-709.csv Completed graceful shutdown