java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:44:04,220 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:44:04,222 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:44:04,234 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-10-10 15:44:04,284 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 15:44:04,294 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:44:04,294 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:44:04,295 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:44:04,295 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:44:04,295 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:44:04,296 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:44:04,296 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:44:04,296 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:44:04,297 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:44:04,297 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:44:04,297 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:44:04,297 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:44:04,297 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:44:04,298 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:44:04,299 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:44:04,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:44:04,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:44:04,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:44:04,372 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:44:04,373 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:44:04,373 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl [2018-10-10 15:44:04,374 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl' [2018-10-10 15:44:04,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:44:04,489 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:44:04,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:44:04,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:44:04,491 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:44:04,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:04" (1/1) ... [2018-10-10 15:44:04,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:04" (1/1) ... [2018-10-10 15:44:04,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:04" (1/1) ... [2018-10-10 15:44:04,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:04" (1/1) ... [2018-10-10 15:44:04,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:04" (1/1) ... [2018-10-10 15:44:04,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:04" (1/1) ... [2018-10-10 15:44:04,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:04" (1/1) ... [2018-10-10 15:44:04,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:44:04,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:44:04,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:44:04,608 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:44:04,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:04" (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 [2018-10-10 15:44:04,678 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:44:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:44:04,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:44:05,828 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:44:05,830 INFO L202 PluginConnector]: Adding new model sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:44:05 BoogieIcfgContainer [2018-10-10 15:44:05,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:44:05,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:44:05,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:44:05,835 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:44:05,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:44:04" (1/2) ... [2018-10-10 15:44:05,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@734098f7 and model type sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:44:05, skipping insertion in model container [2018-10-10 15:44:05,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:44:05" (2/2) ... [2018-10-10 15:44:05,839 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl [2018-10-10 15:44:05,850 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:44:05,861 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:44:05,880 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:44:05,913 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:44:05,914 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:44:05,914 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:44:05,915 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:44:05,915 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:44:05,915 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:44:05,915 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:44:05,915 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:44:05,916 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:44:05,949 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2018-10-10 15:44:05,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-10 15:44:05,977 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:44:05,978 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:44:05,979 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:44:05,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:44:05,986 INFO L82 PathProgramCache]: Analyzing trace with hash -745453527, now seen corresponding path program 1 times [2018-10-10 15:44:06,052 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:44:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:44:07,569 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-10-10 15:44:08,464 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2018-10-10 15:44:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:44:11,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:44:11,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [41] imperfect sequences [] total 41 [2018-10-10 15:44:11,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-10-10 15:44:11,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-10-10 15:44:11,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1507, Unknown=0, NotChecked=0, Total=1640 [2018-10-10 15:44:11,503 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 41 states. [2018-10-10 15:44:20,336 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2018-10-10 15:44:21,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:44:21,401 INFO L93 Difference]: Finished difference Result 215 states and 215 transitions. [2018-10-10 15:44:21,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-10-10 15:44:21,404 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 158 [2018-10-10 15:44:21,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:44:21,420 INFO L225 Difference]: With dead ends: 215 [2018-10-10 15:44:21,421 INFO L226 Difference]: Without dead ends: 215 [2018-10-10 15:44:21,426 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1748 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=1009, Invalid=7001, Unknown=0, NotChecked=0, Total=8010 [2018-10-10 15:44:21,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-10-10 15:44:21,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 198. [2018-10-10 15:44:21,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-10-10 15:44:21,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 198 transitions. [2018-10-10 15:44:21,484 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 198 transitions. Word has length 158 [2018-10-10 15:44:21,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:44:21,486 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 198 transitions. [2018-10-10 15:44:21,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-10-10 15:44:21,486 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 198 transitions. [2018-10-10 15:44:21,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-10 15:44:21,490 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:44:21,491 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:44:21,491 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:44:21,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:44:21,492 INFO L82 PathProgramCache]: Analyzing trace with hash -36440901, now seen corresponding path program 1 times [2018-10-10 15:44:21,493 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:44:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:44:22,483 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 9 [2018-10-10 15:44:23,537 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2018-10-10 15:44:27,080 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:44:27,081 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:44:27,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-10-10 15:44:27,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-10-10 15:44:27,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-10-10 15:44:27,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=2397, Unknown=0, NotChecked=0, Total=2550 [2018-10-10 15:44:27,088 INFO L87 Difference]: Start difference. First operand 198 states and 198 transitions. Second operand 51 states. [2018-10-10 15:44:28,957 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2018-10-10 15:44:29,173 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2018-10-10 15:44:29,395 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2018-10-10 15:44:29,558 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2018-10-10 15:44:29,787 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2018-10-10 15:44:29,994 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2018-10-10 15:44:30,362 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2018-10-10 15:44:30,580 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2018-10-10 15:44:31,042 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-10-10 15:44:31,274 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-10-10 15:44:32,135 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2018-10-10 15:44:32,361 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2018-10-10 15:44:32,627 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2018-10-10 15:44:32,878 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2018-10-10 15:44:33,142 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 87 [2018-10-10 15:44:33,553 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 92 [2018-10-10 15:44:33,873 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 97 [2018-10-10 15:44:34,121 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2018-10-10 15:44:34,346 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2018-10-10 15:44:34,788 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2018-10-10 15:44:35,203 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2018-10-10 15:44:36,013 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2018-10-10 15:44:36,342 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2018-10-10 15:44:36,728 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2018-10-10 15:44:36,969 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2018-10-10 15:44:37,191 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2018-10-10 15:44:37,606 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2018-10-10 15:44:37,775 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2018-10-10 15:44:39,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:44:39,465 INFO L93 Difference]: Finished difference Result 248 states and 248 transitions. [2018-10-10 15:44:39,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-10-10 15:44:39,466 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 197 [2018-10-10 15:44:39,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:44:39,471 INFO L225 Difference]: With dead ends: 248 [2018-10-10 15:44:39,471 INFO L226 Difference]: Without dead ends: 248 [2018-10-10 15:44:39,475 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 5 SyntacticMatches, 6 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3081 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=1256, Invalid=11626, Unknown=0, NotChecked=0, Total=12882 [2018-10-10 15:44:39,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-10-10 15:44:39,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 237. [2018-10-10 15:44:39,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-10-10 15:44:39,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 237 transitions. [2018-10-10 15:44:39,492 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 237 transitions. Word has length 197 [2018-10-10 15:44:39,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:44:39,493 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 237 transitions. [2018-10-10 15:44:39,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-10-10 15:44:39,493 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 237 transitions. [2018-10-10 15:44:39,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-10 15:44:39,499 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:44:39,499 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:44:39,499 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:44:39,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:44:39,500 INFO L82 PathProgramCache]: Analyzing trace with hash 2050697193, now seen corresponding path program 2 times [2018-10-10 15:44:39,501 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:44:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:44:40,421 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 9 [2018-10-10 15:44:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:44:45,533 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:44:45,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-10-10 15:44:45,534 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-10-10 15:44:45,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-10-10 15:44:45,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=3622, Unknown=0, NotChecked=0, Total=3782 [2018-10-10 15:44:45,535 INFO L87 Difference]: Start difference. First operand 237 states and 237 transitions. Second operand 62 states. [2018-10-10 15:44:48,013 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2018-10-10 15:44:48,213 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2018-10-10 15:44:48,374 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2018-10-10 15:44:48,614 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2018-10-10 15:44:48,819 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2018-10-10 15:44:49,489 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2018-10-10 15:44:49,716 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2018-10-10 15:44:51,441 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2018-10-10 15:44:51,991 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2018-10-10 15:44:52,252 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 75 [2018-10-10 15:44:52,684 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 81 [2018-10-10 15:44:53,006 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 83 [2018-10-10 15:44:53,210 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2018-10-10 15:44:53,766 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2018-10-10 15:44:54,031 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2018-10-10 15:44:55,150 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2018-10-10 15:44:55,447 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2018-10-10 15:44:55,678 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2018-10-10 15:44:56,263 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2018-10-10 15:44:56,673 WARN L178 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2018-10-10 15:44:57,204 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2018-10-10 15:44:57,467 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-10-10 15:44:57,748 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2018-10-10 15:44:58,310 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2018-10-10 15:44:58,504 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-10-10 15:44:59,391 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-10-10 15:44:59,626 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-10 15:45:01,613 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2018-10-10 15:45:02,071 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2018-10-10 15:45:02,368 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2018-10-10 15:45:03,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:45:03,735 INFO L93 Difference]: Finished difference Result 287 states and 287 transitions. [2018-10-10 15:45:03,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-10-10 15:45:03,736 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 236 [2018-10-10 15:45:03,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:45:03,740 INFO L225 Difference]: With dead ends: 287 [2018-10-10 15:45:03,740 INFO L226 Difference]: Without dead ends: 287 [2018-10-10 15:45:03,745 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 6 SyntacticMatches, 5 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4907 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=1404, Invalid=18056, Unknown=0, NotChecked=0, Total=19460 [2018-10-10 15:45:03,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-10-10 15:45:03,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 276. [2018-10-10 15:45:03,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-10-10 15:45:03,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 276 transitions. [2018-10-10 15:45:03,763 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 276 transitions. Word has length 236 [2018-10-10 15:45:03,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:45:03,764 INFO L481 AbstractCegarLoop]: Abstraction has 276 states and 276 transitions. [2018-10-10 15:45:03,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-10-10 15:45:03,764 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 276 transitions. [2018-10-10 15:45:03,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-10 15:45:03,768 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:45:03,769 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 15:45:03,769 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:45:03,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:45:03,770 INFO L82 PathProgramCache]: Analyzing trace with hash 106028283, now seen corresponding path program 3 times [2018-10-10 15:45:03,770 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:45:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:45:09,755 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 51 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:45:09,756 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:45:09,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-10-10 15:45:09,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-10-10 15:45:09,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-10-10 15:45:09,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=6227, Unknown=0, NotChecked=0, Total=6480 [2018-10-10 15:45:09,759 INFO L87 Difference]: Start difference. First operand 276 states and 276 transitions. Second operand 81 states. [2018-10-10 15:45:12,922 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2018-10-10 15:45:13,155 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2018-10-10 15:45:13,424 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2018-10-10 15:45:13,654 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2018-10-10 15:45:13,956 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2018-10-10 15:45:14,240 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2018-10-10 15:45:14,719 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2018-10-10 15:45:14,968 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2018-10-10 15:45:17,169 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2018-10-10 15:45:17,409 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2018-10-10 15:45:17,665 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2018-10-10 15:45:18,125 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2018-10-10 15:45:18,441 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2018-10-10 15:45:18,655 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2018-10-10 15:45:19,266 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2018-10-10 15:45:19,498 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2018-10-10 15:45:20,976 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2018-10-10 15:45:21,198 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-10-10 15:45:21,930 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2018-10-10 15:45:22,814 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2018-10-10 15:45:23,071 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2018-10-10 15:45:23,526 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 83 [2018-10-10 15:45:23,828 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2018-10-10 15:45:24,797 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-10-10 15:45:26,762 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2018-10-10 15:45:26,985 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2018-10-10 15:45:27,209 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2018-10-10 15:45:27,800 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2018-10-10 15:45:30,043 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2018-10-10 15:45:31,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:45:31,165 INFO L93 Difference]: Finished difference Result 254 states and 253 transitions. [2018-10-10 15:45:31,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-10-10 15:45:31,165 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 275 [2018-10-10 15:45:31,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:45:31,166 INFO L225 Difference]: With dead ends: 254 [2018-10-10 15:45:31,166 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:45:31,171 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9392 ImplicationChecksByTransitivity, 18.0s TimeCoverageRelationStatistics Valid=2198, Invalid=31842, Unknown=0, NotChecked=0, Total=34040 [2018-10-10 15:45:31,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:45:31,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:45:31,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:45:31,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:45:31,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 275 [2018-10-10 15:45:31,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:45:31,172 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:45:31,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-10-10 15:45:31,172 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:45:31,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:45:31,181 INFO L202 PluginConnector]: Adding new model sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:45:31 BoogieIcfgContainer [2018-10-10 15:45:31,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:45:31,182 INFO L168 Benchmark]: Toolchain (without parser) took 86694.62 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 609.7 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 242.2 MB). Peak memory consumption was 851.9 MB. Max. memory is 7.1 GB. [2018-10-10 15:45:31,184 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 15:45:31,184 INFO L168 Benchmark]: Boogie Preprocessor took 116.78 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. [2018-10-10 15:45:31,185 INFO L168 Benchmark]: RCFGBuilder took 1222.62 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-10-10 15:45:31,186 INFO L168 Benchmark]: TraceAbstraction took 85350.08 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 609.7 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 189.3 MB). Peak memory consumption was 799.0 MB. Max. memory is 7.1 GB. [2018-10-10 15:45:31,189 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.78 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 1222.62 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 85350.08 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 609.7 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 189.3 MB). Peak memory consumption was 799.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 280]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 180 locations, 1 error locations. SAFE Result, 85.2s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 61.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 324 SDtfs, 6505 SDslu, 8999 SDs, 0 SdLazy, 22154 SolverSat, 627 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 561 GetRequests, 23 SyntacticMatches, 17 SemanticMatches, 521 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19128 ImplicationChecksByTransitivity, 57.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=276occurred in iteration=3, 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, 4 MinimizatonAttempts, 39 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 21.5s InterpolantComputationTime, 866 NumberOfCodeBlocks, 866 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 862 ConstructedInterpolants, 0 QuantifiedInterpolants, 5914372 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 51/276 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-45-31-202.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sll-buckets_true-unreach-call_true-valid-memsafety.i_41.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-45-31-202.csv Received shutdown request...