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/AutomizerBplTransformed.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis-alloca_true-valid-memsafety_true-termination.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 18:29:41,288 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 18:29:41,291 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 18:29:41,303 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 18:29:41,303 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 18:29:41,305 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 18:29:41,306 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 18:29:41,308 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 18:29:41,310 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 18:29:41,311 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 18:29:41,312 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 18:29:41,312 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 18:29:41,313 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 18:29:41,314 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 18:29:41,315 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 18:29:41,316 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 18:29:41,317 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 18:29:41,321 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 18:29:41,325 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 18:29:41,327 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 18:29:41,328 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 18:29:41,329 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 18:29:41,332 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 18:29:41,333 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 18:29:41,333 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 18:29:41,334 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 18:29:41,335 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 18:29:41,336 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 18:29:41,337 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 18:29:41,338 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 18:29:41,338 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 18:29:41,339 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-14 18:29:41,342 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 18:29:41,352 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 18:29:41,353 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 18:29:41,354 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 18:29:41,354 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 18:29:41,354 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 18:29:41,355 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 18:29:41,356 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 18:29:41,356 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 18:29:41,356 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 18:29:41,356 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 18:29:41,357 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 18:29:41,357 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 18:29:41,357 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 18:29:41,358 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 18:29:41,358 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 18:29:41,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 18:29:41,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 18:29:41,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 18:29:41,424 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 18:29:41,425 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 18:29:41,426 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis-alloca_true-valid-memsafety_true-termination.i_5.bpl [2018-10-14 18:29:41,426 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis-alloca_true-valid-memsafety_true-termination.i_5.bpl' [2018-10-14 18:29:41,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 18:29:41,495 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-14 18:29:41,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 18:29:41,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 18:29:41,496 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 18:29:41,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:29:41" (1/1) ... [2018-10-14 18:29:41,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:29:41" (1/1) ... [2018-10-14 18:29:41,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:29:41" (1/1) ... [2018-10-14 18:29:41,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:29:41" (1/1) ... [2018-10-14 18:29:41,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:29:41" (1/1) ... [2018-10-14 18:29:41,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:29:41" (1/1) ... [2018-10-14 18:29:41,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:29:41" (1/1) ... [2018-10-14 18:29:41,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 18:29:41,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 18:29:41,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 18:29:41,556 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 18:29:41,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:29:41" (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 [2018-10-14 18:29:41,637 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 18:29:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 18:29:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 18:29:42,277 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 18:29:42,278 INFO L202 PluginConnector]: Adding new model lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:29:42 BoogieIcfgContainer [2018-10-14 18:29:42,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 18:29:42,279 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-14 18:29:42,279 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-14 18:29:42,280 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-14 18:29:42,284 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:29:42" (1/1) ... [2018-10-14 18:29:42,292 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-14 18:29:42,292 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-14 18:29:42,333 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-14 18:29:42,396 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-14 18:29:42,413 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-14 18:29:42,487 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-14 18:30:08,478 INFO L315 AbstractInterpreter]: Visited 77 different actions 126 times. Merged at 22 different actions 47 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-14 18:30:08,480 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-14 18:30:08,488 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-14 18:30:08,553 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_4_1_1| |v_ULTIMATE.start_write~int_#ptr.base_13|) at (assume write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]] == #memory_int;) [2018-10-14 18:30:08,681 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_2_1_1| |v_ULTIMATE.start_write~int_#ptr.base_7|) at (assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]];) [2018-10-14 18:30:08,683 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-14 18:30:08,684 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:30:08,684 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:30:08,684 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:30:08,684 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:30:08,685 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:30:08,685 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-14 18:30:08,685 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-14 18:30:08,685 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-14 18:30:08,686 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-14 18:30:08,686 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-14 18:30:08,686 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-14 18:30:08,686 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-14 18:30:08,686 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-14 18:30:08,686 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-14 18:30:08,690 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-14 18:30:08,726 INFO L202 PluginConnector]: Adding new model lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:30:08 BasicIcfg [2018-10-14 18:30:08,726 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-14 18:30:08,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 18:30:08,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 18:30:08,734 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 18:30:08,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 06:29:41" (1/3) ... [2018-10-14 18:30:08,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b4bfa05 and model type lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:30:08, skipping insertion in model container [2018-10-14 18:30:08,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:29:42" (2/3) ... [2018-10-14 18:30:08,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b4bfa05 and model type lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:30:08, skipping insertion in model container [2018-10-14 18:30:08,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.10 06:30:08" (3/3) ... [2018-10-14 18:30:08,738 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-14 18:30:08,751 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 18:30:08,761 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 18:30:08,780 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 18:30:08,809 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 18:30:08,810 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 18:30:08,810 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 18:30:08,810 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 18:30:08,810 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 18:30:08,811 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 18:30:08,811 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 18:30:08,811 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 18:30:08,811 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 18:30:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2018-10-14 18:30:08,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-14 18:30:08,837 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:30:08,838 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] [2018-10-14 18:30:08,839 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:30:08,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:30:08,846 INFO L82 PathProgramCache]: Analyzing trace with hash 944542027, now seen corresponding path program 1 times [2018-10-14 18:30:08,915 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:30:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:30:10,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:30:10,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 18:30:10,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-10-14 18:30:10,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-14 18:30:10,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-14 18:30:10,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-10-14 18:30:10,191 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 16 states. [2018-10-14 18:30:10,649 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-14 18:30:12,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:30:12,268 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2018-10-14 18:30:12,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-10-14 18:30:12,270 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 59 [2018-10-14 18:30:12,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:30:12,285 INFO L225 Difference]: With dead ends: 94 [2018-10-14 18:30:12,285 INFO L226 Difference]: Without dead ends: 94 [2018-10-14 18:30:12,288 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=364, Invalid=968, Unknown=0, NotChecked=0, Total=1332 [2018-10-14 18:30:12,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-10-14 18:30:12,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 80. [2018-10-14 18:30:12,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-10-14 18:30:12,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-10-14 18:30:12,330 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 59 [2018-10-14 18:30:12,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:30:12,331 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-10-14 18:30:12,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-14 18:30:12,331 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-10-14 18:30:12,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-14 18:30:12,334 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:30:12,334 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-14 18:30:12,334 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:30:12,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:30:12,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1729576631, now seen corresponding path program 1 times [2018-10-14 18:30:12,336 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:30:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:30:12,992 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:30:12,993 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:30:12,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-10-14 18:30:12,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-14 18:30:12,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-14 18:30:12,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-10-14 18:30:12,996 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 17 states. [2018-10-14 18:30:14,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:30:14,412 INFO L93 Difference]: Finished difference Result 114 states and 114 transitions. [2018-10-14 18:30:14,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-14 18:30:14,414 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 79 [2018-10-14 18:30:14,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:30:14,416 INFO L225 Difference]: With dead ends: 114 [2018-10-14 18:30:14,416 INFO L226 Difference]: Without dead ends: 114 [2018-10-14 18:30:14,418 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=322, Invalid=1010, Unknown=0, NotChecked=0, Total=1332 [2018-10-14 18:30:14,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-10-14 18:30:14,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 100. [2018-10-14 18:30:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-14 18:30:14,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-10-14 18:30:14,427 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 100 transitions. Word has length 79 [2018-10-14 18:30:14,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:30:14,428 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 100 transitions. [2018-10-14 18:30:14,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-14 18:30:14,428 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-10-14 18:30:14,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-14 18:30:14,432 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 18:30:14,432 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-10-14 18:30:14,432 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 18:30:14,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 18:30:14,433 INFO L82 PathProgramCache]: Analyzing trace with hash -78578141, now seen corresponding path program 2 times [2018-10-14 18:30:14,434 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 18:30:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 18:30:14,978 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 18:30:14,978 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 18:30:14,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-10-14 18:30:14,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-14 18:30:14,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-14 18:30:14,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2018-10-14 18:30:14,980 INFO L87 Difference]: Start difference. First operand 100 states and 100 transitions. Second operand 20 states. [2018-10-14 18:30:16,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 18:30:16,900 INFO L93 Difference]: Finished difference Result 112 states and 112 transitions. [2018-10-14 18:30:16,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-10-14 18:30:16,901 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 99 [2018-10-14 18:30:16,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 18:30:16,902 INFO L225 Difference]: With dead ends: 112 [2018-10-14 18:30:16,902 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 18:30:16,904 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=420, Invalid=1472, Unknown=0, NotChecked=0, Total=1892 [2018-10-14 18:30:16,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 18:30:16,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 18:30:16,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 18:30:16,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 18:30:16,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2018-10-14 18:30:16,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 18:30:16,908 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 18:30:16,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-14 18:30:16,908 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 18:30:16,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 18:30:16,913 INFO L202 PluginConnector]: Adding new model lis-alloca_true-valid-memsafety_true-termination.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:30:16 BasicIcfg [2018-10-14 18:30:16,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 18:30:16,914 INFO L168 Benchmark]: Toolchain (without parser) took 35420.47 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: -1.6 GB). Peak memory consumption was 639.1 MB. Max. memory is 7.1 GB. [2018-10-14 18:30:16,915 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. [2018-10-14 18:30:16,916 INFO L168 Benchmark]: Boogie Preprocessor took 59.17 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. [2018-10-14 18:30:16,917 INFO L168 Benchmark]: RCFGBuilder took 722.92 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-14 18:30:16,917 INFO L168 Benchmark]: IcfgTransformer took 26447.50 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 318.1 MB. Max. memory is 7.1 GB. [2018-10-14 18:30:16,919 INFO L168 Benchmark]: TraceAbstraction took 8185.71 ms. Allocated memory was 3.3 GB in the beginning and 3.8 GB in the end (delta: 512.2 MB). Free memory was 2.9 GB in the beginning and 3.1 GB in the end (delta: -222.9 MB). Peak memory consumption was 289.3 MB. Max. memory is 7.1 GB. [2018-10-14 18:30:16,923 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 59.17 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 722.92 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * IcfgTransformer took 26447.50 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 318.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8185.71 ms. Allocated memory was 3.3 GB in the beginning and 3.8 GB in the end (delta: 512.2 MB). Free memory was 2.9 GB in the beginning and 3.1 GB in the end (delta: -222.9 MB). Peak memory consumption was 289.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 75 LocStat_MAX_WEQGRAPH_SIZE : 5 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 1987 LocStat_NO_SUPPORTING_DISEQUALITIES : 391 LocStat_NO_DISJUNCTIONS : -150 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 77 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 78 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 77 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 8000.77 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 128 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 77 different actions 126 times. Merged at 22 different actions 47 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int, ULTIMATE.start_write~int_old_#memory_int] : 0 COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 2 COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int, ULTIMATE.start_write~int_old_#memory_int] : null * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 149]: 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, 77 locations, 1 error locations. SAFE Result, 8.1s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 5.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 163 SDtfs, 1575 SDslu, 912 SDs, 0 SdLazy, 1112 SolverSat, 130 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=2, 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, 3 MinimizatonAttempts, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 234 ConstructedInterpolants, 0 QuantifiedInterpolants, 163192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2/35 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/lis-alloca_true-valid-memsafety_true-termination.i_5.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-14_18-30-16-944.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/lis-alloca_true-valid-memsafety_true-termination.i_5.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-14_18-30-16-944.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/lis-alloca_true-valid-memsafety_true-termination.i_5.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-14_18-30-16-944.csv The toolchain threw an exception: class java.lang.RuntimeException: java.lang.IllegalAccessException: Class de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider can not access a member of class de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark with modifiers "private" RESULT: An exception occured during the execution of Ultimate: The toolchain threw an exception java.lang.RuntimeException: java.lang.IllegalAccessException: Class de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider can not access a member of class de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark with modifiers "private" at de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider.constructCsvProviderReflectively(SimpleCsvProvider.java:283) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark.createCsvProvider(AbsIntBenchmark.java:42) at de.uni_freiburg.informatik.ultimate.cli.CommandLineController.writeCsvLogs(CommandLineController.java:342) at de.uni_freiburg.informatik.ultimate.cli.CommandLineController.displayToolchainResults(CommandLineController.java:325) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:343) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalAccessException: Class de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider can not access a member of class de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark with modifiers "private" at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:102) at java.lang.reflect.AccessibleObject.slowCheckMemberAccess(AccessibleObject.java:296) at java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:288) at java.lang.reflect.Field.get(Field.java:390) at de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider.constructCsvProviderReflectively(SimpleCsvProvider.java:275) ... 6 more Received shutdown request...