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/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 09:40:10,017 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 09:40:10,019 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 09:40:10,031 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 09:40:10,031 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 09:40:10,032 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 09:40:10,033 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 09:40:10,035 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 09:40:10,036 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 09:40:10,037 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 09:40:10,038 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-04 09:40:10,061 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf [2018-10-04 09:40:10,076 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 09:40:10,076 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 09:40:10,077 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 09:40:10,077 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 09:40:10,078 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 09:40:10,078 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 09:40:10,078 INFO L133 SettingsManager]: * Use SBE=true [2018-10-04 09:40:10,079 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 09:40:10,079 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 09:40:10,079 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 09:40:10,079 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 09:40:10,079 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 09:40:10,079 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 09:40:10,080 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 09:40:10,080 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 09:40:10,080 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 09:40:10,080 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 09:40:10,080 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 09:40:10,081 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 09:40:10,081 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-04 09:40:10,081 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 09:40:10,081 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-04 09:40:10,081 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 09:40:10,082 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 09:40:10,082 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 09:40:10,082 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 09:40:10,082 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-04 09:40:10,082 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 09:40:10,082 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 09:40:10,083 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 09:40:10,083 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 09:40:10,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 09:40:10,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 09:40:10,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 09:40:10,159 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 09:40:10,159 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 09:40:10,160 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-10-04 09:40:10,160 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl' [2018-10-04 09:40:10,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 09:40:10,235 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 09:40:10,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 09:40:10,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 09:40:10,238 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 09:40:10,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:40:10" (1/1) ... [2018-10-04 09:40:10,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:40:10" (1/1) ... [2018-10-04 09:40:10,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 09:40:10,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 09:40:10,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 09:40:10,279 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 09:40:10,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:40:10" (1/1) ... [2018-10-04 09:40:10,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:40:10" (1/1) ... [2018-10-04 09:40:10,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:40:10" (1/1) ... [2018-10-04 09:40:10,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:40:10" (1/1) ... [2018-10-04 09:40:10,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:40:10" (1/1) ... [2018-10-04 09:40:10,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:40:10" (1/1) ... [2018-10-04 09:40:10,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:40:10" (1/1) ... [2018-10-04 09:40:10,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 09:40:10,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 09:40:10,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 09:40:10,303 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 09:40:10,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:40:10" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 09:40:10,361 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-04 09:40:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 09:40:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 09:40:10,563 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 09:40:10,564 INFO L202 PluginConnector]: Adding new model jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:40:10 BoogieIcfgContainer [2018-10-04 09:40:10,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 09:40:10,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-04 09:40:10,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-04 09:40:10,568 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-04 09:40:10,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:40:10" (1/2) ... [2018-10-04 09:40:10,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c48fcb2 and model type jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 09:40:10, skipping insertion in model container [2018-10-04 09:40:10,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:40:10" (2/2) ... [2018-10-04 09:40:10,572 INFO L112 eAbstractionObserver]: Analyzing ICFG jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-10-04 09:40:10,583 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-04 09:40:10,591 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-04 09:40:10,643 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-04 09:40:10,644 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-04 09:40:10,645 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-04 09:40:10,645 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-04 09:40:10,645 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-04 09:40:10,645 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-04 09:40:10,645 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-04 09:40:10,646 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-04 09:40:10,646 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-04 09:40:10,663 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-10-04 09:40:10,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 09:40:10,670 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:40:10,671 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-10-04 09:40:10,672 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:40:10,680 INFO L104 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 09:40:10,681 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2018-10-04 09:40:10,683 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:40:10,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:40:10,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:40:10,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:40:10,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:40:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:40:10,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:40:10,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:40:10,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 09:40:10,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:40:11,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:40:11,002 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 09:40:11,004 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-10-04 09:40:11,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:40:11,050 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2018-10-04 09:40:11,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:40:11,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-10-04 09:40:11,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:40:11,064 INFO L225 Difference]: With dead ends: 9 [2018-10-04 09:40:11,064 INFO L226 Difference]: Without dead ends: 5 [2018-10-04 09:40:11,067 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 09:40:11,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-10-04 09:40:11,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-10-04 09:40:11,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-10-04 09:40:11,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-04 09:40:11,105 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-10-04 09:40:11,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:40:11,105 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-10-04 09:40:11,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:40:11,105 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-04 09:40:11,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 09:40:11,106 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:40:11,106 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-10-04 09:40:11,106 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:40:11,107 INFO L104 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 09:40:11,107 INFO L82 PathProgramCache]: Analyzing trace with hash 930412, now seen corresponding path program 1 times [2018-10-04 09:40:11,107 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:40:11,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:40:11,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:40:11,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:40:11,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:40:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:40:11,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:40:11,307 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 09:40:11,308 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 09:40:11,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:40:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:40:11,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 09:40:11,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:40:11,471 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 09:40:11,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2018-10-04 09:40:11,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-04 09:40:11,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-04 09:40:11,472 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 09:40:11,473 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 5 states. [2018-10-04 09:40:11,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:40:11,515 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-10-04 09:40:11,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-04 09:40:11,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-10-04 09:40:11,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:40:11,516 INFO L225 Difference]: With dead ends: 8 [2018-10-04 09:40:11,516 INFO L226 Difference]: Without dead ends: 6 [2018-10-04 09:40:11,517 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time 0.1s impTime 3 [2018-10-04 09:40:11,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-10-04 09:40:11,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-10-04 09:40:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-10-04 09:40:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-04 09:40:11,520 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2018-10-04 09:40:11,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:40:11,521 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2018-10-04 09:40:11,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-04 09:40:11,521 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-04 09:40:11,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 09:40:11,521 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:40:11,522 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2018-10-04 09:40:11,522 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:40:11,522 INFO L104 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 09:40:11,522 INFO L82 PathProgramCache]: Analyzing trace with hash 28844579, now seen corresponding path program 2 times [2018-10-04 09:40:11,523 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:40:11,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:40:11,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:40:11,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:40:11,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:40:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:40:11,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:40:11,708 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 09:40:11,708 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 09:40:11,723 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-04 09:40:11,751 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-04 09:40:11,751 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-04 09:40:11,753 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 09:40:11,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:40:11,853 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 09:40:11,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-10-04 09:40:11,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-04 09:40:11,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-04 09:40:11,854 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 09:40:11,854 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 6 states. [2018-10-04 09:40:11,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:40:11,952 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-10-04 09:40:11,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-04 09:40:11,953 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-10-04 09:40:11,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:40:11,954 INFO L225 Difference]: With dead ends: 10 [2018-10-04 09:40:11,954 INFO L226 Difference]: Without dead ends: 8 [2018-10-04 09:40:11,955 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time 0.1s impTime 3 [2018-10-04 09:40:11,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-10-04 09:40:11,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-10-04 09:40:11,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-10-04 09:40:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-10-04 09:40:11,959 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 5 [2018-10-04 09:40:11,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:40:11,960 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2018-10-04 09:40:11,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-04 09:40:11,960 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-10-04 09:40:11,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 09:40:11,962 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:40:11,962 INFO L375 BasicCegarLoop]: trace histogram [4, 1, 1, 1] [2018-10-04 09:40:11,962 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:40:11,963 INFO L104 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 09:40:11,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1949894467, now seen corresponding path program 3 times [2018-10-04 09:40:11,963 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:40:11,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:40:11,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:40:11,964 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-04 09:40:11,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:40:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:40:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 09:40:12,283 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 09:40:12,283 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 09:40:12,293 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-04 09:40:12,306 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-10-04 09:40:12,306 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-04 09:40:12,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 09:40:12,531 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:40:12,554 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 09:40:12,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2018-10-04 09:40:12,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-04 09:40:12,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-04 09:40:12,555 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 09:40:12,555 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 9 states. [2018-10-04 09:40:12,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:40:12,721 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2018-10-04 09:40:12,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-04 09:40:12,723 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 7 [2018-10-04 09:40:12,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:40:12,723 INFO L225 Difference]: With dead ends: 9 [2018-10-04 09:40:12,723 INFO L226 Difference]: Without dead ends: 0 [2018-10-04 09:40:12,724 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time 0.2s impTime 5 [2018-10-04 09:40:12,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-04 09:40:12,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-04 09:40:12,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-04 09:40:12,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-04 09:40:12,725 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-10-04 09:40:12,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:40:12,725 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-04 09:40:12,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-04 09:40:12,725 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-04 09:40:12,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 09:40:12,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-04 09:40:13,101 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 9 [2018-10-04 09:40:13,104 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 55) no Hoare annotation was computed. [2018-10-04 09:40:13,105 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 55) no Hoare annotation was computed. [2018-10-04 09:40:13,105 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 55) no Hoare annotation was computed. [2018-10-04 09:40:13,105 INFO L421 ceAbstractionStarter]: At program point L43(lines 43 53) the Hoare annotation is: false [2018-10-04 09:40:13,105 INFO L421 ceAbstractionStarter]: At program point L52(lines 30 52) the Hoare annotation is: (let ((.cse1 (+ ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~y~5)) (.cse0 (+ ULTIMATE.start_main_~j~5 ULTIMATE.start_main_~x~5))) (and (<= .cse0 .cse1) (<= .cse1 .cse0))) [2018-10-04 09:40:13,106 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 54) no Hoare annotation was computed. [2018-10-04 09:40:13,117 INFO L202 PluginConnector]: Adding new model jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 09:40:13 BoogieIcfgContainer [2018-10-04 09:40:13,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-04 09:40:13,118 INFO L168 Benchmark]: Toolchain (without parser) took 2884.62 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 118.9 MB). Peak memory consumption was 118.9 MB. Max. memory is 7.1 GB. [2018-10-04 09:40:13,120 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 09:40:13,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.51 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. [2018-10-04 09:40:13,122 INFO L168 Benchmark]: Boogie Preprocessor took 24.00 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. [2018-10-04 09:40:13,122 INFO L168 Benchmark]: RCFGBuilder took 260.93 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 09:40:13,124 INFO L168 Benchmark]: TraceAbstraction took 2552.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. [2018-10-04 09:40:13,128 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.51 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 24.00 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 260.93 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2552.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 54]: 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 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main_~j~5 + main_~x~5 <= main_~i~5 + main_~y~5 && main_~i~5 + main_~y~5 <= main_~j~5 + main_~x~5 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. SAFE Result, 2.4s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 0 SDslu, 7 SDs, 0 SdLazy, 58 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 7 NumberOfFragments, 16 HoareAnnotationTreeSize, 2 FomulaSimplifications, 17 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 127 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 1665 SizeOfPredicates, 12 NumberOfNonLiveVariables, 107 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 1/28 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/jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-04_09-40-13-142.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/jm2006.c.i_3.bplTransformedIcfg_BEv2_3.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-04_09-40-13-142.csv Received shutdown request...