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/real-life/s3_clnt_1_Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:39:11,377 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:39:11,379 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:39:11,391 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:39:11,391 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:39:11,392 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:39:11,394 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:39:11,395 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:39:11,397 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:39:11,398 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:39:11,399 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:39:11,400 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:39:11,401 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:39:11,402 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:39:11,403 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:39:11,404 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:39:11,405 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:39:11,407 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:39:11,409 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:39:11,410 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:39:11,412 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:39:11,413 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:39:11,416 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:39:11,416 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:39:11,416 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:39:11,417 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:39:11,418 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:39:11,419 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:39:11,420 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:39:11,421 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:39:11,421 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:39:11,422 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 15:39:11,424 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 15:39:11,435 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:39:11,436 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:39:11,437 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:39:11,437 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:39:11,437 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:39:11,438 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:39:11,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:39:11,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:39:11,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:39:11,517 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:39:11,518 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:39:11,518 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Safe.bpl [2018-07-23 15:39:11,519 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Safe.bpl' [2018-07-23 15:39:11,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:39:11,596 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:39:11,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:39:11,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:39:11,597 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:39:11,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:11" (1/1) ... [2018-07-23 15:39:11,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:11" (1/1) ... [2018-07-23 15:39:11,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:11" (1/1) ... [2018-07-23 15:39:11,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:11" (1/1) ... [2018-07-23 15:39:11,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:11" (1/1) ... [2018-07-23 15:39:11,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:11" (1/1) ... [2018-07-23 15:39:11,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:11" (1/1) ... [2018-07-23 15:39:11,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:39:11,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:39:11,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:39:11,672 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:39:11,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-07-23 15:39:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-07-23 15:39:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-07-23 15:39:11,950 WARN L483 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-07-23 15:39:11,950 WARN L448 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-07-23 15:39:14,210 INFO L258 CfgBuilder]: Using library mode [2018-07-23 15:39:14,211 INFO L202 PluginConnector]: Adding new model s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:39:14 BoogieIcfgContainer [2018-07-23 15:39:14,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:39:14,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:39:14,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:39:14,216 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:39:14,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:11" (1/2) ... [2018-07-23 15:39:14,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2f56b0 and model type s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:39:14, skipping insertion in model container [2018-07-23 15:39:14,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:39:14" (2/2) ... [2018-07-23 15:39:14,220 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_1_Safe.bpl [2018-07-23 15:39:14,229 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:39:14,239 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:39:14,284 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:39:14,284 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:39:14,285 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:39:14,285 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:39:14,285 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:39:14,285 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:39:14,286 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:39:14,286 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:39:14,287 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:39:14,310 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2018-07-23 15:39:14,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 15:39:14,324 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:39:14,326 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 15:39:14,326 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0AssertViolationASSERT]=== [2018-07-23 15:39:14,330 INFO L82 PathProgramCache]: Analyzing trace with hash 62123258, now seen corresponding path program 1 times [2018-07-23 15:39:14,335 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:39:15,547 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:39:15,548 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 15:39:15,553 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 15:39:15,560 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 15:39:15,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-23 15:39:15,564 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 4 states. [2018-07-23 15:39:16,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:39:16,396 INFO L93 Difference]: Finished difference Result 201 states and 342 transitions. [2018-07-23 15:39:16,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 15:39:16,398 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-07-23 15:39:16,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:39:16,414 INFO L225 Difference]: With dead ends: 201 [2018-07-23 15:39:16,414 INFO L226 Difference]: Without dead ends: 187 [2018-07-23 15:39:16,417 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 1824 GetRequests, 1807 SyntacticMatches, 13 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-23 15:39:16,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-07-23 15:39:16,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 182. [2018-07-23 15:39:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-07-23 15:39:16,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 273 transitions. [2018-07-23 15:39:16,483 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 273 transitions. Word has length 20 [2018-07-23 15:39:16,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:39:16,483 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 273 transitions. [2018-07-23 15:39:16,484 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 15:39:16,484 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 273 transitions. [2018-07-23 15:39:16,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-23 15:39:16,486 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:39:16,487 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 15:39:16,487 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0AssertViolationASSERT]=== [2018-07-23 15:39:16,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1923804615, now seen corresponding path program 1 times [2018-07-23 15:39:16,488 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:39:17,538 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:39:17,539 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 15:39:17,540 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 15:39:17,540 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 15:39:17,540 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-23 15:39:17,541 INFO L87 Difference]: Start difference. First operand 182 states and 273 transitions. Second operand 5 states. [2018-07-23 15:39:18,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:39:18,540 INFO L93 Difference]: Finished difference Result 238 states and 362 transitions. [2018-07-23 15:39:18,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 15:39:18,541 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-07-23 15:39:18,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:39:18,547 INFO L225 Difference]: With dead ends: 238 [2018-07-23 15:39:18,547 INFO L226 Difference]: Without dead ends: 236 [2018-07-23 15:39:18,549 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2681 GetRequests, 2661 SyntacticMatches, 14 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-23 15:39:18,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-07-23 15:39:18,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 205. [2018-07-23 15:39:18,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-23 15:39:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 314 transitions. [2018-07-23 15:39:18,586 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 314 transitions. Word has length 43 [2018-07-23 15:39:18,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:39:18,587 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 314 transitions. [2018-07-23 15:39:18,587 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 15:39:18,587 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 314 transitions. [2018-07-23 15:39:18,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-07-23 15:39:18,590 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:39:18,590 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 15:39:18,590 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0AssertViolationASSERT]=== [2018-07-23 15:39:18,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1337933464, now seen corresponding path program 1 times [2018-07-23 15:39:18,591 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:39:21,660 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:39:21,661 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-07-23 15:39:21,661 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 15:39:21,661 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 15:39:21,662 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2018-07-23 15:39:21,662 INFO L87 Difference]: Start difference. First operand 205 states and 314 transitions. Second operand 9 states. [2018-07-23 15:39:23,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:39:23,595 INFO L93 Difference]: Finished difference Result 526 states and 838 transitions. [2018-07-23 15:39:23,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 15:39:23,596 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2018-07-23 15:39:23,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:39:23,601 INFO L225 Difference]: With dead ends: 526 [2018-07-23 15:39:23,601 INFO L226 Difference]: Without dead ends: 524 [2018-07-23 15:39:23,602 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 14965 GetRequests, 14917 SyntacticMatches, 24 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=150, Invalid=500, Unknown=0, NotChecked=0, Total=650 [2018-07-23 15:39:23,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2018-07-23 15:39:23,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 329. [2018-07-23 15:39:23,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-07-23 15:39:23,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 517 transitions. [2018-07-23 15:39:23,675 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 517 transitions. Word has length 61 [2018-07-23 15:39:23,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:39:23,675 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 517 transitions. [2018-07-23 15:39:23,675 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 15:39:23,676 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 517 transitions. [2018-07-23 15:39:23,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 15:39:23,679 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:39:23,680 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 15:39:23,680 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0AssertViolationASSERT]=== [2018-07-23 15:39:23,680 INFO L82 PathProgramCache]: Analyzing trace with hash 154248044, now seen corresponding path program 1 times [2018-07-23 15:39:23,680 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:40:04,453 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:40:04,453 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-07-23 15:40:04,454 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 15:40:04,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 15:40:04,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=1187, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 15:40:04,456 INFO L87 Difference]: Start difference. First operand 329 states and 517 transitions. Second operand 11 states. [2018-07-23 15:40:05,045 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-07-23 15:40:05,232 WARN L169 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-07-23 15:40:05,415 WARN L169 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2018-07-23 15:40:07,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:40:07,137 INFO L93 Difference]: Finished difference Result 677 states and 1082 transitions. [2018-07-23 15:40:07,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 15:40:07,138 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 62 [2018-07-23 15:40:07,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:40:07,142 INFO L225 Difference]: With dead ends: 677 [2018-07-23 15:40:07,143 INFO L226 Difference]: Without dead ends: 675 [2018-07-23 15:40:07,145 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 18218 GetRequests, 16357 SyntacticMatches, 1814 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63081 ImplicationChecksByTransitivity, 38.8s TimeCoverageRelationStatistics Valid=491, Invalid=1861, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 15:40:07,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2018-07-23 15:40:07,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 465. [2018-07-23 15:40:07,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-07-23 15:40:07,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 738 transitions. [2018-07-23 15:40:07,261 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 738 transitions. Word has length 62 [2018-07-23 15:40:07,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:40:07,262 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 738 transitions. [2018-07-23 15:40:07,262 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 15:40:07,262 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 738 transitions. [2018-07-23 15:40:07,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 15:40:07,265 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:40:07,266 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 15:40:07,266 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0AssertViolationASSERT]=== [2018-07-23 15:40:07,266 INFO L82 PathProgramCache]: Analyzing trace with hash 818287315, now seen corresponding path program 1 times [2018-07-23 15:40:07,266 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:40:09,429 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:40:09,430 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-07-23 15:40:09,430 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 15:40:09,430 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 15:40:09,430 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2018-07-23 15:40:09,431 INFO L87 Difference]: Start difference. First operand 465 states and 738 transitions. Second operand 9 states. [2018-07-23 15:40:11,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:40:11,200 INFO L93 Difference]: Finished difference Result 1299 states and 2124 transitions. [2018-07-23 15:40:11,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 15:40:11,201 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2018-07-23 15:40:11,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:40:11,208 INFO L225 Difference]: With dead ends: 1299 [2018-07-23 15:40:11,208 INFO L226 Difference]: Without dead ends: 1297 [2018-07-23 15:40:11,210 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 16008 GetRequests, 15959 SyntacticMatches, 25 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=150, Invalid=500, Unknown=0, NotChecked=0, Total=650 [2018-07-23 15:40:11,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2018-07-23 15:40:11,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 465. [2018-07-23 15:40:11,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-07-23 15:40:11,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 738 transitions. [2018-07-23 15:40:11,341 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 738 transitions. Word has length 62 [2018-07-23 15:40:11,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:40:11,342 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 738 transitions. [2018-07-23 15:40:11,342 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 15:40:11,342 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 738 transitions. [2018-07-23 15:40:11,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-07-23 15:40:11,344 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:40:11,344 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 15:40:11,344 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0AssertViolationASSERT]=== [2018-07-23 15:40:11,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1722384543, now seen corresponding path program 1 times [2018-07-23 15:40:11,345 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:40:54,056 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:40:54,057 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-07-23 15:40:54,057 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 15:40:54,057 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 15:40:54,058 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=1187, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 15:40:54,058 INFO L87 Difference]: Start difference. First operand 465 states and 738 transitions. Second operand 11 states. [2018-07-23 15:40:54,488 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-07-23 15:40:56,596 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-07-23 15:40:56,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:40:56,913 INFO L93 Difference]: Finished difference Result 1085 states and 1758 transitions. [2018-07-23 15:40:56,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 15:40:56,914 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2018-07-23 15:40:56,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:40:56,920 INFO L225 Difference]: With dead ends: 1085 [2018-07-23 15:40:56,921 INFO L226 Difference]: Without dead ends: 1083 [2018-07-23 15:40:56,922 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 19636 GetRequests, 17520 SyntacticMatches, 2069 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71903 ImplicationChecksByTransitivity, 40.6s TimeCoverageRelationStatistics Valid=491, Invalid=1861, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 15:40:56,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2018-07-23 15:40:57,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 481. [2018-07-23 15:40:57,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-07-23 15:40:57,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 767 transitions. [2018-07-23 15:40:57,139 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 767 transitions. Word has length 63 [2018-07-23 15:40:57,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:40:57,140 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 767 transitions. [2018-07-23 15:40:57,140 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 15:40:57,140 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 767 transitions. [2018-07-23 15:40:57,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 15:40:57,142 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:40:57,142 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 15:40:57,143 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0AssertViolationASSERT]=== [2018-07-23 15:40:57,143 INFO L82 PathProgramCache]: Analyzing trace with hash -94366558, now seen corresponding path program 1 times [2018-07-23 15:40:57,143 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:42:17,364 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:42:17,364 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-07-23 15:42:17,365 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 15:42:17,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 15:42:17,366 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=491, Invalid=2059, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 15:42:17,366 INFO L87 Difference]: Start difference. First operand 481 states and 767 transitions. Second operand 12 states. [2018-07-23 15:42:17,944 WARN L169 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2018-07-23 15:42:18,134 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2018-07-23 15:42:18,316 WARN L169 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-07-23 15:42:18,615 WARN L169 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2018-07-23 15:42:19,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:42:19,783 INFO L93 Difference]: Finished difference Result 811 states and 1339 transitions. [2018-07-23 15:42:19,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 15:42:19,784 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2018-07-23 15:42:19,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:42:19,789 INFO L225 Difference]: With dead ends: 811 [2018-07-23 15:42:19,789 INFO L226 Difference]: Without dead ends: 809 [2018-07-23 15:42:19,792 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 28631 GetRequests, 25506 SyntacticMatches, 3066 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140576 ImplicationChecksByTransitivity, 76.3s TimeCoverageRelationStatistics Valid=756, Invalid=2904, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 15:42:19,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2018-07-23 15:42:19,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 543. [2018-07-23 15:42:19,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-07-23 15:42:19,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 873 transitions. [2018-07-23 15:42:19,999 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 873 transitions. Word has length 64 [2018-07-23 15:42:19,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:42:19,999 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 873 transitions. [2018-07-23 15:42:19,999 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 15:42:19,999 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 873 transitions. [2018-07-23 15:42:20,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-07-23 15:42:20,001 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:42:20,001 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 15:42:20,001 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0AssertViolationASSERT]=== [2018-07-23 15:42:20,001 INFO L82 PathProgramCache]: Analyzing trace with hash -608144419, now seen corresponding path program 1 times [2018-07-23 15:42:20,001 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Received shutdown request... [2018-07-23 15:43:32,360 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 15:43:32,364 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 15:43:32,364 INFO L202 PluginConnector]: Adding new model s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 03:43:32 BoogieIcfgContainer [2018-07-23 15:43:32,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 15:43:32,365 INFO L168 Benchmark]: Toolchain (without parser) took 260770.19 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -190.3 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 212.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2018-07-23 15:43:32,369 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. [2018-07-23 15:43:32,369 INFO L168 Benchmark]: Boogie Preprocessor took 74.18 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 15:43:32,370 INFO L168 Benchmark]: RCFGBuilder took 2539.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-07-23 15:43:32,371 INFO L168 Benchmark]: TraceAbstraction took 258151.85 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -190.3 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 127.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 15:43:32,379 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 Preprocessor took 74.18 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 2539.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258151.85 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -190.3 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 127.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 635]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 635). Cancelled while BasicCegarLoop was analyzing trace of length 66 with TraceHistMax 3, while PredicateComparison was comparing new predicate (quantifier-free) to 58 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 1 error locations. TIMEOUT Result, 258.0s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 13.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 828 SDtfs, 6049 SDslu, 929 SDs, 0 SdLazy, 3036 SolverSat, 991 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101963 GetRequests, 94727 SyntacticMatches, 7025 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276187 ImplicationChecksByTransitivity, 160.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=543occurred in iteration=7, 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: 0.8s AutomataMinimizationTime, 7 MinimizatonAttempts, 2141 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 171.1s 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/s3_clnt_1_Safe.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_15-43-32-395.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_clnt_1_Safe.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_15-43-32-395.csv Completed graceful shutdown