java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength6_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-a74eeac-m [2018-02-02 21:05:59,355 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 21:05:59,357 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 21:05:59,370 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 21:05:59,370 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 21:05:59,370 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 21:05:59,371 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 21:05:59,373 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 21:05:59,375 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 21:05:59,375 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 21:05:59,376 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 21:05:59,376 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 21:05:59,377 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 21:05:59,379 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 21:05:59,380 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 21:05:59,381 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 21:05:59,383 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 21:05:59,385 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 21:05:59,386 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 21:05:59,387 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 21:05:59,388 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-02 21:05:59,393 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 21:05:59,393 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 21:05:59,393 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-02-02 21:05:59,403 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 21:05:59,403 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 21:05:59,404 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 21:05:59,404 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 21:05:59,405 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 21:05:59,405 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 21:05:59,405 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 21:05:59,405 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 21:05:59,405 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 21:05:59,405 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 21:05:59,405 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 21:05:59,405 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 21:05:59,406 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 21:05:59,406 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 21:05:59,406 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 21:05:59,406 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 21:05:59,406 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 21:05:59,406 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 21:05:59,406 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 21:05:59,406 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 21:05:59,406 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 21:05:59,407 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 21:05:59,407 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-02 21:05:59,407 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-02 21:05:59,407 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-02 21:05:59,433 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 21:05:59,440 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 21:05:59,443 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 21:05:59,444 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 21:05:59,445 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 21:05:59,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength6_true-valid-memsafety_true-termination.c [2018-02-02 21:05:59,521 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 21:05:59,522 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 21:05:59,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 21:05:59,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 21:05:59,527 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 21:05:59,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:05:59" (1/1) ... [2018-02-02 21:05:59,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49acf633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:05:59, skipping insertion in model container [2018-02-02 21:05:59,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:05:59" (1/1) ... [2018-02-02 21:05:59,540 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 21:05:59,551 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 21:05:59,641 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 21:05:59,652 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 21:05:59,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:05:59 WrapperNode [2018-02-02 21:05:59,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 21:05:59,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 21:05:59,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 21:05:59,658 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 21:05:59,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:05:59" (1/1) ... [2018-02-02 21:05:59,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:05:59" (1/1) ... [2018-02-02 21:05:59,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:05:59" (1/1) ... [2018-02-02 21:05:59,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:05:59" (1/1) ... [2018-02-02 21:05:59,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:05:59" (1/1) ... [2018-02-02 21:05:59,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:05:59" (1/1) ... [2018-02-02 21:05:59,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:05:59" (1/1) ... [2018-02-02 21:05:59,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 21:05:59,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 21:05:59,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 21:05:59,677 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 21:05:59,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:05:59" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-02-02 21:05:59,710 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 21:05:59,710 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 21:05:59,710 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-02-02 21:05:59,711 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 21:05:59,711 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 21:05:59,711 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 21:05:59,711 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 21:05:59,711 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 21:05:59,711 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 21:05:59,711 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-02-02 21:05:59,711 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 21:05:59,711 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 21:05:59,711 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 21:05:59,843 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 21:05:59,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:05:59 BoogieIcfgContainer [2018-02-02 21:05:59,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 21:05:59,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 21:05:59,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 21:05:59,846 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 21:05:59,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:05:59" (1/3) ... [2018-02-02 21:05:59,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f2b5641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:05:59, skipping insertion in model container [2018-02-02 21:05:59,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:05:59" (2/3) ... [2018-02-02 21:05:59,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f2b5641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:05:59, skipping insertion in model container [2018-02-02 21:05:59,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:05:59" (3/3) ... [2018-02-02 21:05:59,848 INFO L107 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength6_true-valid-memsafety_true-termination.c [2018-02-02 21:05:59,854 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-02 21:05:59,859 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-02-02 21:05:59,885 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 21:05:59,885 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 21:05:59,885 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-02 21:05:59,885 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-02 21:05:59,885 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 21:05:59,885 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 21:05:59,885 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 21:05:59,886 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 21:05:59,886 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 21:05:59,895 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-02-02 21:05:59,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-02-02 21:05:59,902 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:05:59,903 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:05:59,903 INFO L371 AbstractCegarLoop]: === Iteration 1 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-02 21:05:59,906 INFO L82 PathProgramCache]: Analyzing trace with hash -215054890, now seen corresponding path program 1 times [2018-02-02 21:05:59,907 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:05:59,908 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:05:59,936 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:05:59,936 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:05:59,936 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:05:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:05:59,976 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:00,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:06:00,028 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:06:00,028 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 21:06:00,030 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 21:06:00,041 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 21:06:00,041 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 21:06:00,042 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2018-02-02 21:06:00,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:06:00,086 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2018-02-02 21:06:00,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 21:06:00,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-02-02 21:06:00,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:06:00,092 INFO L225 Difference]: With dead ends: 63 [2018-02-02 21:06:00,092 INFO L226 Difference]: Without dead ends: 59 [2018-02-02 21:06:00,093 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 21:06:00,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-02-02 21:06:00,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 49. [2018-02-02 21:06:00,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-02-02 21:06:00,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2018-02-02 21:06:00,164 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 11 [2018-02-02 21:06:00,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:06:00,164 INFO L432 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2018-02-02 21:06:00,164 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 21:06:00,164 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2018-02-02 21:06:00,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-02 21:06:00,165 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:00,165 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:06:00,165 INFO L371 AbstractCegarLoop]: === Iteration 2 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-02 21:06:00,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1100032001, now seen corresponding path program 1 times [2018-02-02 21:06:00,165 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:00,165 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:00,166 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:00,166 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:00,167 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:00,180 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:06:00,209 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:06:00,209 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 21:06:00,211 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 21:06:00,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 21:06:00,211 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 21:06:00,211 INFO L87 Difference]: Start difference. First operand 49 states and 52 transitions. Second operand 3 states. [2018-02-02 21:06:00,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:06:00,237 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-02-02 21:06:00,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 21:06:00,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-02-02 21:06:00,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:06:00,240 INFO L225 Difference]: With dead ends: 60 [2018-02-02 21:06:00,240 INFO L226 Difference]: Without dead ends: 60 [2018-02-02 21:06:00,241 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 21:06:00,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-02-02 21:06:00,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 52. [2018-02-02 21:06:00,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-02-02 21:06:00,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2018-02-02 21:06:00,246 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 16 [2018-02-02 21:06:00,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:06:00,246 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2018-02-02 21:06:00,246 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 21:06:00,246 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2018-02-02 21:06:00,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-02 21:06:00,247 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:00,247 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:06:00,247 INFO L371 AbstractCegarLoop]: === Iteration 3 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-02 21:06:00,247 INFO L82 PathProgramCache]: Analyzing trace with hash -258746290, now seen corresponding path program 1 times [2018-02-02 21:06:00,247 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:00,247 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:00,248 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:00,248 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:00,249 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:00,261 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:00,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:06:00,375 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:06:00,375 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-02 21:06:00,375 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-02 21:06:00,375 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-02 21:06:00,376 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-02-02 21:06:00,376 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 7 states. [2018-02-02 21:06:00,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:06:00,504 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2018-02-02 21:06:00,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-02 21:06:00,505 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-02-02 21:06:00,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:06:00,506 INFO L225 Difference]: With dead ends: 54 [2018-02-02 21:06:00,506 INFO L226 Difference]: Without dead ends: 54 [2018-02-02 21:06:00,506 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-02-02 21:06:00,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-02-02 21:06:00,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2018-02-02 21:06:00,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-02-02 21:06:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2018-02-02 21:06:00,510 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 17 [2018-02-02 21:06:00,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:06:00,511 INFO L432 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2018-02-02 21:06:00,511 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-02 21:06:00,511 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2018-02-02 21:06:00,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-02 21:06:00,511 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:00,512 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:06:00,512 INFO L371 AbstractCegarLoop]: === Iteration 4 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-02 21:06:00,512 INFO L82 PathProgramCache]: Analyzing trace with hash -258746291, now seen corresponding path program 1 times [2018-02-02 21:06:00,512 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:00,512 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:00,513 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:00,513 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:00,513 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:00,521 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:06:00,556 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:06:00,557 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 21:06:00,557 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:06:00,557 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:06:00,557 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:06:00,557 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 6 states. [2018-02-02 21:06:00,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:06:00,609 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2018-02-02 21:06:00,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 21:06:00,610 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-02-02 21:06:00,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:06:00,611 INFO L225 Difference]: With dead ends: 50 [2018-02-02 21:06:00,611 INFO L226 Difference]: Without dead ends: 50 [2018-02-02 21:06:00,611 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-02-02 21:06:00,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-02-02 21:06:00,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-02-02 21:06:00,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-02-02 21:06:00,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2018-02-02 21:06:00,614 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 17 [2018-02-02 21:06:00,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:06:00,615 INFO L432 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2018-02-02 21:06:00,615 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:06:00,615 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2018-02-02 21:06:00,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-02-02 21:06:00,615 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:00,616 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:06:00,616 INFO L371 AbstractCegarLoop]: === Iteration 5 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-02 21:06:00,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1933852231, now seen corresponding path program 1 times [2018-02-02 21:06:00,616 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:00,616 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:00,617 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:00,617 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:00,617 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:00,627 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:00,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:06:00,672 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:06:00,672 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:06:00,672 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:00,694 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:06:00,719 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:06:00,719 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-02 21:06:00,719 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2018-02-02 21:06:00,719 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-02 21:06:00,719 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-02 21:06:00,720 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-02-02 21:06:00,720 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 9 states. [2018-02-02 21:06:00,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:06:00,809 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2018-02-02 21:06:00,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-02 21:06:00,811 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-02-02 21:06:00,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:06:00,812 INFO L225 Difference]: With dead ends: 60 [2018-02-02 21:06:00,812 INFO L226 Difference]: Without dead ends: 60 [2018-02-02 21:06:00,812 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-02-02 21:06:00,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-02-02 21:06:00,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-02-02 21:06:00,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-02-02 21:06:00,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2018-02-02 21:06:00,819 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 22 [2018-02-02 21:06:00,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:06:00,819 INFO L432 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2018-02-02 21:06:00,819 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-02 21:06:00,819 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2018-02-02 21:06:00,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-02-02 21:06:00,820 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:00,820 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:06:00,820 INFO L371 AbstractCegarLoop]: === Iteration 6 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-02 21:06:00,820 INFO L82 PathProgramCache]: Analyzing trace with hash 687601263, now seen corresponding path program 1 times [2018-02-02 21:06:00,821 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:00,821 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:00,821 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:00,822 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:00,822 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:00,836 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:00,889 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-02-02 21:06:00,889 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:06:00,889 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 21:06:00,889 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 21:06:00,889 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 21:06:00,890 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-02-02 21:06:00,890 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 5 states. [2018-02-02 21:06:00,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:06:00,916 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2018-02-02 21:06:00,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 21:06:00,917 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2018-02-02 21:06:00,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:06:00,917 INFO L225 Difference]: With dead ends: 70 [2018-02-02 21:06:00,917 INFO L226 Difference]: Without dead ends: 70 [2018-02-02 21:06:00,917 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-02-02 21:06:00,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-02-02 21:06:00,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 56. [2018-02-02 21:06:00,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-02-02 21:06:00,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2018-02-02 21:06:00,922 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 41 [2018-02-02 21:06:00,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:06:00,922 INFO L432 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2018-02-02 21:06:00,923 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 21:06:00,923 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2018-02-02 21:06:00,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-02 21:06:00,924 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:00,924 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2018-02-02 21:06:00,924 INFO L371 AbstractCegarLoop]: === Iteration 7 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-02 21:06:00,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1072164206, now seen corresponding path program 1 times [2018-02-02 21:06:00,924 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:00,925 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:00,925 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:00,925 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:00,925 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:00,935 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:00,962 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-02-02 21:06:00,962 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:06:00,962 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:06:00,963 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:00,981 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:06:00,995 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-02-02 21:06:00,995 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-02 21:06:00,996 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-02-02 21:06:00,996 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 21:06:00,996 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 21:06:00,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-02-02 21:06:00,997 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 5 states. [2018-02-02 21:06:01,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:06:01,033 INFO L93 Difference]: Finished difference Result 84 states and 89 transitions. [2018-02-02 21:06:01,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 21:06:01,033 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2018-02-02 21:06:01,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:06:01,034 INFO L225 Difference]: With dead ends: 84 [2018-02-02 21:06:01,034 INFO L226 Difference]: Without dead ends: 84 [2018-02-02 21:06:01,034 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-02-02 21:06:01,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-02-02 21:06:01,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 67. [2018-02-02 21:06:01,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-02-02 21:06:01,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2018-02-02 21:06:01,039 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 49 [2018-02-02 21:06:01,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:06:01,039 INFO L432 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2018-02-02 21:06:01,039 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 21:06:01,039 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2018-02-02 21:06:01,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-02 21:06:01,041 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:01,042 INFO L351 BasicCegarLoop]: trace histogram [8, 6, 6, 6, 6, 6, 3, 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] [2018-02-02 21:06:01,042 INFO L371 AbstractCegarLoop]: === Iteration 8 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-02 21:06:01,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1102390087, now seen corresponding path program 2 times [2018-02-02 21:06:01,042 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:01,042 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:01,043 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:01,043 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:01,043 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:01,063 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:01,102 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-02-02 21:06:01,103 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-02 21:06:01,103 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-02 21:06:01,104 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-02 21:06:01,117 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-02-02 21:06:01,117 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-02 21:06:01,120 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-02 21:06:01,152 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 21:06:01,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-02-02 21:06:01,157 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-02 21:06:01,159 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 21:06:01,159 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-02-02 21:06:01,195 INFO L700 Elim1Store]: detected not equals via solver [2018-02-02 21:06:01,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-02-02 21:06:01,196 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-02 21:06:01,197 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-02 21:06:01,197 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-02-02 21:06:01,221 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_~#mask~0.base| Int)) (and (= (store |c_old(#valid)| |main_~#mask~0.base| 0) |c_#valid|) (= (select |c_old(#valid)| |main_~#mask~0.base|) 0))) is different from true [2018-02-02 21:06:01,234 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-02-02 21:06:01,234 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-02-02 21:06:01,234 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2018-02-02 21:06:01,235 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-02 21:06:01,235 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-02 21:06:01,235 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=40, Unknown=1, NotChecked=12, Total=72 [2018-02-02 21:06:01,235 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand 9 states. [2018-02-02 21:06:01,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:06:01,480 INFO L93 Difference]: Finished difference Result 97 states and 102 transitions. [2018-02-02 21:06:01,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-02 21:06:01,480 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2018-02-02 21:06:01,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:06:01,480 INFO L225 Difference]: With dead ends: 97 [2018-02-02 21:06:01,480 INFO L226 Difference]: Without dead ends: 0 [2018-02-02 21:06:01,481 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 74 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=175, Unknown=1, NotChecked=28, Total=272 [2018-02-02 21:06:01,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-02-02 21:06:01,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-02-02 21:06:01,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-02-02 21:06:01,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-02-02 21:06:01,482 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2018-02-02 21:06:01,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:06:01,482 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-02-02 21:06:01,482 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-02 21:06:01,482 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-02-02 21:06:01,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-02-02 21:06:01,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:06:01 BoogieIcfgContainer [2018-02-02 21:06:01,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-02 21:06:01,489 INFO L168 Benchmark]: Toolchain (without parser) took 1967.39 ms. Allocated memory was 400.0 MB in the beginning and 623.4 MB in the end (delta: 223.3 MB). Free memory was 355.3 MB in the beginning and 528.1 MB in the end (delta: -172.8 MB). Peak memory consumption was 50.6 MB. Max. memory is 5.3 GB. [2018-02-02 21:06:01,490 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 400.0 MB. Free memory is still 360.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 21:06:01,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.86 ms. Allocated memory is still 400.0 MB. Free memory was 355.3 MB in the beginning and 347.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 5.3 GB. [2018-02-02 21:06:01,491 INFO L168 Benchmark]: Boogie Preprocessor took 19.21 ms. Allocated memory is still 400.0 MB. Free memory was 347.4 MB in the beginning and 344.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. [2018-02-02 21:06:01,491 INFO L168 Benchmark]: RCFGBuilder took 166.68 ms. Allocated memory is still 400.0 MB. Free memory was 344.7 MB in the beginning and 327.3 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 5.3 GB. [2018-02-02 21:06:01,491 INFO L168 Benchmark]: TraceAbstraction took 1644.23 ms. Allocated memory was 400.0 MB in the beginning and 623.4 MB in the end (delta: 223.3 MB). Free memory was 327.3 MB in the beginning and 528.1 MB in the end (delta: -200.8 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. [2018-02-02 21:06:01,492 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 400.0 MB. Free memory is still 360.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 134.86 ms. Allocated memory is still 400.0 MB. Free memory was 355.3 MB in the beginning and 347.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 19.21 ms. Allocated memory is still 400.0 MB. Free memory was 347.4 MB in the beginning and 344.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 166.68 ms. Allocated memory is still 400.0 MB. Free memory was 344.7 MB in the beginning and 327.3 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1644.23 ms. Allocated memory was 400.0 MB in the beginning and 623.4 MB in the end (delta: 223.3 MB). Free memory was 327.3 MB in the beginning and 528.1 MB in the end (delta: -200.8 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: array index is always in bounds For all program executions holds that array index is always in bounds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 27]: array index is always in bounds For all program executions holds that array index is always in bounds at this location - PositiveResult [Line: 21]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 30]: array index is always in bounds For all program executions holds that array index is always in bounds at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 46 locations, 6 error locations. SAFE Result, 1.6s OverallTime, 8 OverallIterations, 8 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 284 SDtfs, 367 SDslu, 533 SDs, 0 SdLazy, 392 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 148 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 52 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 402 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 391 ConstructedInterpolants, 50 QuantifiedInterpolants, 67703 SizeOfPredicates, 2 NumberOfNonLiveVariables, 248 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 327/345 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_21-06-01-499.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-02_21-06-01-499.csv Received shutdown request...