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/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:46:38,447 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:46:38,449 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:46:38,465 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:46:38,466 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:46:38,467 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:46:38,468 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:46:38,470 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:46:38,471 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:46:38,472 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:46:38,473 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:46:38,473 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:46:38,474 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:46:38,475 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:46:38,476 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:46:38,477 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:46:38,478 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:46:38,480 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:46:38,482 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:46:38,483 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:46:38,484 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:46:38,485 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:46:38,488 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:46:38,488 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:46:38,488 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:46:38,489 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:46:38,490 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:46:38,491 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:46:38,492 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:46:38,493 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:46:38,493 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:46:38,494 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:46:38,494 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:46:38,494 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:46:38,495 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:46:38,496 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:46:38,496 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 15:46:38,504 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:46:38,504 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:46:38,506 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:46:38,506 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:46:38,506 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:46:38,506 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:46:38,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:46:38,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:46:38,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:46:38,595 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:46:38,596 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:46:38,596 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl [2018-07-23 15:46:38,597 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl' [2018-07-23 15:46:38,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:46:38,653 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:46:38,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:46:38,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:46:38,654 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:46:38,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:46:38" (1/1) ... [2018-07-23 15:46:38,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:46:38" (1/1) ... [2018-07-23 15:46:38,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:46:38" (1/1) ... [2018-07-23 15:46:38,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:46:38" (1/1) ... [2018-07-23 15:46:38,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:46:38" (1/1) ... [2018-07-23 15:46:38,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:46:38" (1/1) ... [2018-07-23 15:46:38,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:46:38" (1/1) ... [2018-07-23 15:46:38,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:46:38,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:46:38,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:46:38,705 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:46:38,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:46:38" (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 15:46:38,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-23 15:46:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:46:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:46:39,035 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:46:39,036 INFO L202 PluginConnector]: Adding new model half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:46:39 BoogieIcfgContainer [2018-07-23 15:46:39,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:46:39,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:46:39,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:46:39,041 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:46:39,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:46:38" (1/2) ... [2018-07-23 15:46:39,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36cf8656 and model type half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:46:39, skipping insertion in model container [2018-07-23 15:46:39,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:46:39" (2/2) ... [2018-07-23 15:46:39,044 INFO L112 eAbstractionObserver]: Analyzing ICFG half_2.i_3.bplTransformedIcfg_BEv2_5.bpl [2018-07-23 15:46:39,054 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:46:39,062 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:46:39,108 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:46:39,109 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:46:39,109 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:46:39,110 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:46:39,110 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:46:39,110 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:46:39,110 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:46:39,110 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:46:39,111 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:46:39,133 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-23 15:46:39,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 15:46:39,146 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:46:39,147 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 15:46:39,147 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:46:39,152 INFO L82 PathProgramCache]: Analyzing trace with hash 30017, now seen corresponding path program 1 times [2018-07-23 15:46:39,157 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:46:39,389 WARN L169 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2018-07-23 15:46:39,463 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:46:39,463 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 15:46:39,467 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 15:46:39,473 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 15:46:39,474 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:46:39,476 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-23 15:46:39,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:46:39,507 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-07-23 15:46:39,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:46:39,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-23 15:46:39,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:46:39,521 INFO L225 Difference]: With dead ends: 8 [2018-07-23 15:46:39,521 INFO L226 Difference]: Without dead ends: 5 [2018-07-23 15:46:39,525 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 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 15:46:39,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-23 15:46:39,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-23 15:46:39,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-23 15:46:39,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-23 15:46:39,558 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-07-23 15:46:39,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:46:39,559 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-23 15:46:39,559 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 15:46:39,559 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-23 15:46:39,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 15:46:39,560 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:46:39,560 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 15:46:39,560 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:46:39,560 INFO L82 PathProgramCache]: Analyzing trace with hash 928552, now seen corresponding path program 1 times [2018-07-23 15:46:39,561 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:46:40,359 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-07-23 15:46:40,969 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-23 15:46:41,603 WARN L169 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-07-23 15:46:41,968 WARN L169 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-07-23 15:46:42,593 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-07-23 15:46:43,403 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-07-23 15:46:43,790 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-07-23 15:46:44,318 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-07-23 15:46:45,110 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-07-23 15:46:45,705 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-07-23 15:46:46,244 WARN L169 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-07-23 15:46:46,761 WARN L169 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-07-23 15:46:47,533 WARN L169 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2018-07-23 15:46:48,273 WARN L169 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-07-23 15:46:49,119 WARN L169 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-07-23 15:46:49,951 WARN L169 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-07-23 15:46:50,745 WARN L169 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2018-07-23 15:46:51,561 WARN L169 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-07-23 15:46:52,463 WARN L169 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-07-23 15:46:53,430 WARN L169 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-07-23 15:46:54,491 WARN L169 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-07-23 15:46:55,781 WARN L169 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2018-07-23 15:46:57,047 WARN L169 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2018-07-23 15:46:58,227 WARN L169 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-07-23 15:46:59,656 WARN L169 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2018-07-23 15:47:01,582 WARN L169 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2018-07-23 15:47:02,622 WARN L169 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-07-23 15:47:04,060 WARN L169 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2018-07-23 15:47:05,886 WARN L169 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2018-07-23 15:47:07,433 WARN L169 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-07-23 15:47:09,035 WARN L169 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2018-07-23 15:47:10,771 WARN L169 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-07-23 15:47:12,587 WARN L169 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-07-23 15:47:14,734 WARN L169 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2018-07-23 15:47:16,830 WARN L169 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2018-07-23 15:47:18,901 WARN L169 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2018-07-23 15:47:21,104 WARN L169 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2018-07-23 15:47:23,343 WARN L169 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2018-07-23 15:47:25,820 WARN L169 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 326 [2018-07-23 15:47:28,293 WARN L169 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2018-07-23 15:47:30,992 WARN L169 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2018-07-23 15:47:33,610 WARN L169 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2018-07-23 15:47:36,550 WARN L169 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2018-07-23 15:47:39,530 WARN L169 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2018-07-23 15:47:42,576 WARN L169 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-07-23 15:47:45,759 WARN L169 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2018-07-23 15:47:49,001 WARN L169 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2018-07-23 15:47:52,303 WARN L169 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2018-07-23 15:47:55,825 WARN L169 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2018-07-23 15:47:59,479 WARN L169 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2018-07-23 15:48:03,414 WARN L169 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2018-07-23 15:48:07,404 WARN L169 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 424 [2018-07-23 15:48:11,581 WARN L169 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2018-07-23 15:48:15,808 WARN L169 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2018-07-23 15:48:20,309 WARN L169 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2018-07-23 15:48:24,974 WARN L169 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2018-07-23 15:48:29,801 WARN L169 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2018-07-23 15:48:34,697 WARN L169 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 469 [2018-07-23 15:48:39,717 WARN L169 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2018-07-23 15:48:44,976 WARN L169 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2018-07-23 15:48:50,404 WARN L169 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 491 [2018-07-23 15:48:56,014 WARN L169 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2018-07-23 15:49:01,726 WARN L169 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2018-07-23 15:49:07,601 WARN L169 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2018-07-23 15:49:13,758 WARN L169 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 521 [2018-07-23 15:49:20,084 WARN L169 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2018-07-23 15:49:26,660 WARN L169 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2018-07-23 15:49:33,289 WARN L169 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2018-07-23 15:49:40,039 WARN L169 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 551 [2018-07-23 15:49:47,109 WARN L169 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 559 [2018-07-23 15:49:54,410 WARN L169 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 566 [2018-07-23 15:50:01,984 WARN L169 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 574 [2018-07-23 15:50:09,688 WARN L169 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 581 [2018-07-23 15:50:17,630 WARN L169 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 589 [2018-07-23 15:50:25,858 WARN L169 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 596 [2018-07-23 15:50:34,257 WARN L169 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 604 [2018-07-23 15:50:42,947 WARN L169 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 611 [2018-07-23 15:50:51,840 WARN L169 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 619 [2018-07-23 15:51:00,949 WARN L169 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 626 [2018-07-23 15:51:10,299 WARN L169 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 634 Received shutdown request... [2018-07-23 15:51:17,790 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 15:51:17,795 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 15:51:17,796 INFO L202 PluginConnector]: Adding new model half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 03:51:17 BoogieIcfgContainer [2018-07-23 15:51:17,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 15:51:17,797 INFO L168 Benchmark]: Toolchain (without parser) took 279144.84 ms. Allocated memory was 1.6 GB in the beginning and 1.3 GB in the end (delta: -218.6 MB). Free memory was 1.5 GB in the beginning and 910.4 MB in the end (delta: 585.8 MB). Peak memory consumption was 387.6 MB. Max. memory is 7.1 GB. [2018-07-23 15:51:17,798 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 15:51:17,798 INFO L168 Benchmark]: Boogie Preprocessor took 50.17 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 15:51:17,799 INFO L168 Benchmark]: RCFGBuilder took 331.45 ms. Allocated memory is still 1.6 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 15:51:17,800 INFO L168 Benchmark]: TraceAbstraction took 278758.95 ms. Allocated memory was 1.6 GB in the beginning and 1.3 GB in the end (delta: -218.6 MB). Free memory was 1.5 GB in the beginning and 910.4 MB in the end (delta: 564.6 MB). Peak memory consumption was 366.5 MB. Max. memory is 7.1 GB. [2018-07-23 15:51:17,803 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 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.17 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 331.45 ms. Allocated memory is still 1.6 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 278758.95 ms. Allocated memory was 1.6 GB in the beginning and 1.3 GB in the end (delta: -218.6 MB). Free memory was 1.5 GB in the beginning and 910.4 MB in the end (delta: 564.6 MB). Peak memory consumption was 366.5 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 5 with TraceHistMax 1, while PredicateComparison was comparing new predicate (quantifier-free) to 255 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 278.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, 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/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_15-51-17-814.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_15-51-17-814.csv Completed graceful shutdown