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/half_2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:57:55,611 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:57:55,613 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:57:55,627 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:57:55,627 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:57:55,628 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:57:55,630 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:57:55,631 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:57:55,633 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:57:55,634 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:57:55,635 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:57:55,636 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:57:55,637 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:57:55,638 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:57:55,641 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:57:55,647 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:57:55,648 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:57:55,653 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:57:55,655 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:57:55,660 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:57:55,661 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:57:55,662 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:57:55,667 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:57:55,668 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:57:55,668 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:57:55,669 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:57:55,671 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:57:55,672 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:57:55,673 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:57:55,674 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:57:55,674 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:57:55,674 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:57:55,675 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:57:55,675 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:57:55,676 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:57:55,676 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:57:55,677 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 15:57:55,684 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:57:55,685 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:57:55,686 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:57:55,686 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:57:55,686 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:57:55,686 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:57:55,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:57:55,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:57:55,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:57:55,774 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:57:55,775 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:57:55,776 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/half_2.i_3.bpl [2018-07-23 15:57:55,776 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/half_2.i_3.bpl' [2018-07-23 15:57:55,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:57:55,850 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:57:55,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:57:55,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:57:55,851 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:57:55,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:55" (1/1) ... [2018-07-23 15:57:55,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:55" (1/1) ... [2018-07-23 15:57:55,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:55" (1/1) ... [2018-07-23 15:57:55,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:55" (1/1) ... [2018-07-23 15:57:55,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:55" (1/1) ... [2018-07-23 15:57:55,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:55" (1/1) ... [2018-07-23 15:57:55,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:55" (1/1) ... [2018-07-23 15:57:55,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:57:55,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:57:55,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:57:55,903 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:57:55,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:55" (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 15:57:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:57:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:57:56,144 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:57:56,144 INFO L202 PluginConnector]: Adding new model half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:57:56 BoogieIcfgContainer [2018-07-23 15:57:56,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:57:56,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:57:56,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:57:56,150 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:57:56,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:55" (1/2) ... [2018-07-23 15:57:56,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14776c8c and model type half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:57:56, skipping insertion in model container [2018-07-23 15:57:56,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:57:56" (2/2) ... [2018-07-23 15:57:56,154 INFO L112 eAbstractionObserver]: Analyzing ICFG half_2.i_3.bpl [2018-07-23 15:57:56,163 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:57:56,170 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:57:56,220 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:57:56,221 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:57:56,221 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:57:56,222 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:57:56,222 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:57:56,222 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:57:56,222 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:57:56,222 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:57:56,223 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:57:56,242 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 15:57:56,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 15:57:56,250 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:57:56,251 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 15:57:56,252 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:57:56,257 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-23 15:57:56,264 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:57:56,461 WARN L169 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-07-23 15:57:56,601 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:57:56,601 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 15:57:56,606 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 15:57:56,612 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 15:57:56,613 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:57:56,615 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-23 15:57:56,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:57:56,650 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 15:57:56,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:57:56,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-23 15:57:56,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:57:56,664 INFO L225 Difference]: With dead ends: 10 [2018-07-23 15:57:56,664 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 15:57:56,668 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 15:57:56,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 15:57:56,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 15:57:56,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 15:57:56,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 15:57:56,706 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 15:57:56,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:57:56,707 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 15:57:56,707 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 15:57:56,707 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 15:57:56,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 15:57:56,708 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:57:56,708 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 15:57:56,708 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:57:56,709 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-23 15:57:56,709 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:57:57,384 WARN L169 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2018-07-23 15:57:58,079 WARN L169 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2018-07-23 15:57:58,871 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-07-23 15:57:59,616 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-07-23 15:58:00,772 WARN L169 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2018-07-23 15:58:01,399 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-07-23 15:58:01,941 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-07-23 15:58:02,554 WARN L169 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-07-23 15:58:03,249 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-07-23 15:58:04,239 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-07-23 15:58:05,262 WARN L169 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-07-23 15:58:06,292 WARN L169 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-07-23 15:58:07,419 WARN L169 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-07-23 15:58:08,760 WARN L169 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-07-23 15:58:10,452 WARN L169 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-07-23 15:58:12,028 WARN L169 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-07-23 15:58:13,883 WARN L169 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2018-07-23 15:58:15,967 WARN L169 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-07-23 15:58:18,089 WARN L169 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2018-07-23 15:58:20,513 WARN L169 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-07-23 15:58:23,187 WARN L169 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2018-07-23 15:58:26,237 WARN L169 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2018-07-23 15:58:29,423 WARN L169 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-07-23 15:58:33,004 WARN L169 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2018-07-23 15:58:36,788 WARN L169 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 286 [2018-07-23 15:58:41,173 WARN L169 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2018-07-23 15:58:46,179 WARN L169 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2018-07-23 15:58:52,135 WARN L169 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-07-23 15:58:57,387 WARN L169 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2018-07-23 15:59:03,103 WARN L169 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2018-07-23 15:59:09,361 WARN L169 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-07-23 15:59:16,128 WARN L169 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-07-23 15:59:23,293 WARN L169 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2018-07-23 15:59:31,292 WARN L169 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2018-07-23 15:59:39,697 WARN L169 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-07-23 15:59:48,556 WARN L169 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2018-07-23 15:59:58,249 WARN L169 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2018-07-23 16:00:08,379 WARN L169 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2018-07-23 16:00:19,248 WARN L169 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2018-07-23 16:00:30,909 WARN L169 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 429 [2018-07-23 16:00:43,386 WARN L169 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2018-07-23 16:00:56,757 WARN L169 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2018-07-23 16:01:10,842 WARN L169 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2018-07-23 16:01:25,814 WARN L169 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 467 [2018-07-23 16:01:41,672 WARN L169 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2018-07-23 16:01:58,368 WARN L169 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2018-07-23 16:02:15,985 WARN L169 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2018-07-23 16:02:34,902 WARN L169 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 505 Received shutdown request... [2018-07-23 16:02:42,725 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:02:42,729 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:02:42,730 INFO L202 PluginConnector]: Adding new model half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:02:42 BoogieIcfgContainer [2018-07-23 16:02:42,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:02:42,731 INFO L168 Benchmark]: Toolchain (without parser) took 286883.09 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -180.4 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 240.5 MB). Peak memory consumption was 424.6 MB. Max. memory is 7.1 GB. [2018-07-23 16:02:42,732 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 16:02:42,733 INFO L168 Benchmark]: Boogie Preprocessor took 51.65 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 16:02:42,734 INFO L168 Benchmark]: RCFGBuilder took 242.37 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 16:02:42,734 INFO L168 Benchmark]: TraceAbstraction took 286583.87 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -180.4 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 219.3 MB). Peak memory consumption was 403.4 MB. Max. memory is 7.1 GB. [2018-07-23 16:02:42,738 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.65 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 242.37 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 286583.87 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -180.4 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 219.3 MB). Peak memory consumption was 403.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 51). 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, 286.5s 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/half_2.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-02-42-751.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/half_2.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-02-42-751.csv Completed graceful shutdown