java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/metros_4_e3_1025.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 16:52:43,403 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 16:52:43,405 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 16:52:43,433 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 16:52:43,433 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 16:52:43,440 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 16:52:43,441 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 16:52:43,450 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 16:52:43,451 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 16:52:43,452 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 16:52:43,453 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 16:52:43,453 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 16:52:43,458 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 16:52:43,459 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 16:52:43,460 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 16:52:43,461 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 16:52:43,469 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 16:52:43,471 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 16:52:43,472 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 16:52:43,486 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 16:52:43,488 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 16:52:43,492 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 16:52:43,492 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 16:52:43,492 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 16:52:43,493 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 16:52:43,494 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 16:52:43,494 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 16:52:43,504 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 16:52:43,505 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 16:52:43,505 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 16:52:43,506 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 16:52:43,506 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 16:52:43,506 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 16:52:43,516 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 16:52:43,516 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 16:52:43,517 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 16:52:43,548 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 16:52:43,549 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 16:52:43,549 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 16:52:43,549 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 16:52:43,552 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 16:52:43,553 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 16:52:43,553 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 16:52:43,553 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 16:52:43,553 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 16:52:43,553 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 16:52:43,554 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 16:52:43,554 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 16:52:43,554 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 16:52:43,554 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 16:52:43,554 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 16:52:43,554 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 16:52:43,555 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 16:52:43,555 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 16:52:43,555 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 16:52:43,555 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 16:52:43,555 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 16:52:43,563 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 16:52:43,563 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 16:52:43,642 INFO ]: Repository-Root is: /tmp [2018-06-25 16:52:43,666 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 16:52:43,679 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 16:52:43,680 INFO ]: Initializing SmtParser... [2018-06-25 16:52:43,680 INFO ]: SmtParser initialized [2018-06-25 16:52:43,681 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/metros_4_e3_1025.smt2 [2018-06-25 16:52:43,682 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-25 16:52:43,803 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/metros_4_e3_1025.smt2 unknown [2018-06-25 16:52:44,349 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/metros_4_e3_1025.smt2 [2018-06-25 16:52:44,354 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 16:52:44,370 INFO ]: Walking toolchain with 4 elements. [2018-06-25 16:52:44,371 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 16:52:44,371 INFO ]: Initializing ChcToBoogie... [2018-06-25 16:52:44,371 INFO ]: ChcToBoogie initialized [2018-06-25 16:52:44,376 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 04:52:44" (1/1) ... [2018-06-25 16:52:44,481 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 04:52:44 Unit [2018-06-25 16:52:44,482 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 16:52:44,484 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 16:52:44,484 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 16:52:44,484 INFO ]: Boogie Preprocessor initialized [2018-06-25 16:52:44,508 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 04:52:44" (1/1) ... [2018-06-25 16:52:44,508 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 04:52:44" (1/1) ... [2018-06-25 16:52:44,534 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 04:52:44" (1/1) ... [2018-06-25 16:52:44,534 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 04:52:44" (1/1) ... [2018-06-25 16:52:44,540 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 04:52:44" (1/1) ... [2018-06-25 16:52:44,542 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 04:52:44" (1/1) ... [2018-06-25 16:52:44,553 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 04:52:44" (1/1) ... [2018-06-25 16:52:44,556 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 16:52:44,557 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 16:52:44,557 INFO ]: Initializing RCFGBuilder... [2018-06-25 16:52:44,557 INFO ]: RCFGBuilder initialized [2018-06-25 16:52:44,558 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 04:52:44" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 16:52:44,582 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 16:52:44,582 INFO ]: Found specification of procedure gotoProc [2018-06-25 16:52:44,582 INFO ]: Found implementation of procedure gotoProc [2018-06-25 16:52:44,582 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 16:52:44,582 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 16:52:44,582 INFO ]: Found implementation of procedure Ultimate.START [2018-06-25 16:52:45,053 INFO ]: Using library mode [2018-06-25 16:52:45,054 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 04:52:45 BoogieIcfgContainer [2018-06-25 16:52:45,054 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 16:52:45,055 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 16:52:45,055 INFO ]: Initializing TraceAbstraction... [2018-06-25 16:52:45,058 INFO ]: TraceAbstraction initialized [2018-06-25 16:52:45,059 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 04:52:44" (1/3) ... [2018-06-25 16:52:45,060 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cfd988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 04:52:45, skipping insertion in model container [2018-06-25 16:52:45,060 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 04:52:44" (2/3) ... [2018-06-25 16:52:45,060 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cfd988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 04:52:45, skipping insertion in model container [2018-06-25 16:52:45,060 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 04:52:45" (3/3) ... [2018-06-25 16:52:45,062 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 16:52:45,072 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 16:52:45,084 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 16:52:45,141 INFO ]: Using default assertion order modulation [2018-06-25 16:52:45,142 INFO ]: Interprodecural is true [2018-06-25 16:52:45,142 INFO ]: Hoare is false [2018-06-25 16:52:45,142 INFO ]: Compute interpolants for FPandBP [2018-06-25 16:52:45,142 INFO ]: Backedges is TWOTRACK [2018-06-25 16:52:45,142 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 16:52:45,142 INFO ]: Difference is false [2018-06-25 16:52:45,142 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 16:52:45,142 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 16:52:45,162 INFO ]: Start isEmpty. Operand 10 states. [2018-06-25 16:52:45,183 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 16:52:45,183 INFO ]: Found error trace [2018-06-25 16:52:45,184 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 16:52:45,184 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 16:52:45,191 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-25 16:52:45,194 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 16:52:45,195 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 16:52:45,247 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 16:52:45,247 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 16:52:45,247 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 16:52:45,378 INFO ]: Conjunction of SSA is unsat [2018-06-25 16:52:45,538 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 16:52:45,541 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 16:52:45,541 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 16:52:45,544 INFO ]: Interpolant automaton has 3 states [2018-06-25 16:52:45,565 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 16:52:45,566 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 16:52:45,569 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-25 16:52:45,698 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 16:52:45,698 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-25 16:52:45,699 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 16:52:45,700 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 16:52:45,701 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 16:52:45,713 INFO ]: With dead ends: 9 [2018-06-25 16:52:45,713 INFO ]: Without dead ends: 9 [2018-06-25 16:52:45,716 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 16:52:45,737 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-25 16:52:45,781 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-25 16:52:45,782 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-25 16:52:45,783 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-25 16:52:45,784 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-25 16:52:45,785 INFO ]: Finished accepts. word is rejected. [2018-06-25 16:52:45,785 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-25 16:52:45,785 INFO ]: Interpolant automaton has 3 states. [2018-06-25 16:52:45,785 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-25 16:52:45,785 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 16:52:45,786 INFO ]: Found error trace [2018-06-25 16:52:45,786 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 16:52:45,786 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 16:52:45,786 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-25 16:52:45,786 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 16:52:45,786 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 16:52:45,787 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 16:52:45,787 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 16:52:45,787 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 16:52:46,003 INFO ]: Conjunction of SSA is unsat [2018-06-25 16:52:46,333 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 16:52:46,333 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 16:52:46,333 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-06-25 16:52:46,347 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 16:52:46,557 INFO ]: Conjunction of SSA is unsat [2018-06-25 16:52:46,569 INFO ]: Computing forward predicates... [2018-06-25 16:52:46,875 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 16:52:46,912 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-25 16:52:46,912 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-06-25 16:52:46,912 INFO ]: Interpolant automaton has 6 states [2018-06-25 16:52:46,913 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-25 16:52:46,913 INFO ]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-06-25 16:52:46,913 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-06-25 16:52:47,000 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 16:52:47,000 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-25 16:52:47,001 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-25 16:52:47,001 INFO ]: Start accepts. Automaton has 6 states. Word has length 8 [2018-06-25 16:52:47,001 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 16:52:47,001 INFO ]: With dead ends: 11 [2018-06-25 16:52:47,001 INFO ]: Without dead ends: 11 [2018-06-25 16:52:47,002 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-06-25 16:52:47,002 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-25 16:52:47,003 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-25 16:52:47,003 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-25 16:52:47,004 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-25 16:52:47,004 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-25 16:52:47,005 INFO ]: Finished accepts. word is rejected. [2018-06-25 16:52:47,005 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-25 16:52:47,005 INFO ]: Interpolant automaton has 6 states. [2018-06-25 16:52:47,005 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-25 16:52:47,008 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-25 16:52:47,008 INFO ]: Found error trace [2018-06-25 16:52:47,008 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 16:52:47,008 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 16:52:47,008 INFO ]: Analyzing trace with hash 1062095287, now seen corresponding path program 2 times [2018-06-25 16:52:47,008 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 16:52:47,008 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 16:52:47,009 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 16:52:47,009 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 16:52:47,009 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 16:52:47,224 INFO ]: Conjunction of SSA is unsat [2018-06-25 16:52:47,748 WARN ]: Spent 213.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 12 [2018-06-25 16:52:48,054 WARN ]: Spent 222.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 20 [2018-06-25 16:52:48,070 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 16:52:48,070 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 16:52:48,070 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/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) [2018-06-25 16:52:48,097 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 16:52:48,339 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-25 16:52:48,339 INFO ]: Conjunction of SSA is unsat [2018-06-25 16:52:48,350 INFO ]: Computing forward predicates... [2018-06-25 16:52:49,023 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 16:52:49,060 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-25 16:52:49,060 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-06-25 16:52:49,060 INFO ]: Interpolant automaton has 10 states [2018-06-25 16:52:49,060 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-25 16:52:49,061 INFO ]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-06-25 16:52:49,061 INFO ]: Start difference. First operand 11 states and 11 transitions. Second operand 10 states. [2018-06-25 16:52:49,332 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 16:52:49,332 INFO ]: Finished difference Result 13 states and 13 transitions. [2018-06-25 16:52:49,332 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-25 16:52:49,332 INFO ]: Start accepts. Automaton has 10 states. Word has length 10 [2018-06-25 16:52:49,332 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 16:52:49,333 INFO ]: With dead ends: 13 [2018-06-25 16:52:49,333 INFO ]: Without dead ends: 13 [2018-06-25 16:52:49,333 INFO ]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-06-25 16:52:49,334 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-25 16:52:49,335 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-25 16:52:49,335 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-25 16:52:49,335 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-06-25 16:52:49,335 INFO ]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2018-06-25 16:52:49,335 INFO ]: Finished accepts. word is rejected. [2018-06-25 16:52:49,336 INFO ]: Abstraction has 13 states and 13 transitions. [2018-06-25 16:52:49,336 INFO ]: Interpolant automaton has 10 states. [2018-06-25 16:52:49,336 INFO ]: Start isEmpty. Operand 13 states and 13 transitions. [2018-06-25 16:52:49,336 INFO ]: Finished isEmpty. Found accepting run of length 13 [2018-06-25 16:52:49,336 INFO ]: Found error trace [2018-06-25 16:52:49,336 INFO ]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 16:52:49,336 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 16:52:49,336 INFO ]: Analyzing trace with hash -1502133097, now seen corresponding path program 3 times [2018-06-25 16:52:49,336 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 16:52:49,336 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 16:52:49,337 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 16:52:49,337 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-25 16:52:49,337 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 16:52:49,650 INFO ]: Conjunction of SSA is unsat [2018-06-25 16:52:50,691 WARN ]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-06-25 16:52:52,387 WARN ]: Spent 1.57 s on a formula simplification. DAG size of input: 109 DAG size of output: 12 [2018-06-25 16:52:54,613 WARN ]: Spent 2.11 s on a formula simplification. DAG size of input: 228 DAG size of output: 12 [2018-06-25 16:52:56,521 WARN ]: Spent 1.83 s on a formula simplification. DAG size of input: 272 DAG size of output: 12 [2018-06-25 16:52:58,125 WARN ]: Spent 1.50 s on a formula simplification. DAG size of input: 154 DAG size of output: 12 [2018-06-25 16:52:58,193 INFO ]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 16:52:58,194 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 16:52:58,194 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 16:52:58,221 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-06-25 16:52:58,656 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-06-25 16:52:58,656 INFO ]: Conjunction of SSA is unsat [2018-06-25 16:52:58,676 INFO ]: Computing forward predicates... [2018-06-25 16:52:59,313 INFO ]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 16:52:59,384 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-25 16:52:59,384 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-06-25 16:52:59,385 INFO ]: Interpolant automaton has 14 states [2018-06-25 16:52:59,385 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-25 16:52:59,385 INFO ]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-06-25 16:52:59,385 INFO ]: Start difference. First operand 13 states and 13 transitions. Second operand 14 states. [2018-06-25 16:52:59,904 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 16:52:59,904 INFO ]: Finished difference Result 15 states and 15 transitions. [2018-06-25 16:52:59,905 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-25 16:52:59,905 INFO ]: Start accepts. Automaton has 14 states. Word has length 12 [2018-06-25 16:52:59,905 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 16:52:59,906 INFO ]: With dead ends: 15 [2018-06-25 16:52:59,906 INFO ]: Without dead ends: 15 [2018-06-25 16:52:59,906 INFO ]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2018-06-25 16:52:59,906 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-25 16:52:59,908 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-06-25 16:52:59,908 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-25 16:52:59,908 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-06-25 16:52:59,908 INFO ]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-06-25 16:52:59,908 INFO ]: Finished accepts. word is rejected. [2018-06-25 16:52:59,908 INFO ]: Abstraction has 15 states and 15 transitions. [2018-06-25 16:52:59,908 INFO ]: Interpolant automaton has 14 states. [2018-06-25 16:52:59,908 INFO ]: Start isEmpty. Operand 15 states and 15 transitions. [2018-06-25 16:52:59,909 INFO ]: Finished isEmpty. Found accepting run of length 15 [2018-06-25 16:52:59,909 INFO ]: Found error trace [2018-06-25 16:52:59,909 INFO ]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 16:52:59,909 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 16:52:59,909 INFO ]: Analyzing trace with hash -414382217, now seen corresponding path program 4 times [2018-06-25 16:52:59,909 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 16:52:59,909 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 16:52:59,910 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 16:52:59,910 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-25 16:52:59,910 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 16:53:01,648 INFO ]: Conjunction of SSA is unsat Received shutdown request... [2018-06-25 16:53:59,449 FATAL]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:265) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$1(Interpolator.java:263) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:132) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:919) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:210) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:228) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:410) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:425) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:309) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:151) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-06-25 16:53:59,453 INFO ]: Toolchain (without parser) took 75098.08 ms. Allocated memory was 313.0 MB in the beginning and 589.3 MB in the end (delta: 276.3 MB). Free memory was 254.4 MB in the beginning and 502.4 MB in the end (delta: -248.0 MB). Peak memory consumption was 315.4 MB. Max. memory is 3.6 GB. [2018-06-25 16:53:59,454 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 313.0 MB. Free memory is still 278.5 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 16:53:59,455 INFO ]: ChcToBoogie took 112.75 ms. Allocated memory is still 313.0 MB. Free memory was 254.4 MB in the beginning and 251.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-25 16:53:59,455 INFO ]: Boogie Preprocessor took 72.59 ms. Allocated memory is still 313.0 MB. Free memory was 251.4 MB in the beginning and 250.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. [2018-06-25 16:53:59,455 INFO ]: RCFGBuilder took 496.74 ms. Allocated memory is still 313.0 MB. Free memory was 250.3 MB in the beginning and 218.2 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 3.6 GB. [2018-06-25 16:53:59,456 INFO ]: TraceAbstraction took 74397.08 ms. Allocated memory was 313.0 MB in the beginning and 589.3 MB in the end (delta: 276.3 MB). Free memory was 218.2 MB in the beginning and 502.9 MB in the end (delta: -284.6 MB). Peak memory consumption was 279.2 MB. Max. memory is 3.6 GB. [2018-06-25 16:53:59,464 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 313.0 MB. Free memory is still 278.5 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 112.75 ms. Allocated memory is still 313.0 MB. Free memory was 254.4 MB in the beginning and 251.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 72.59 ms. Allocated memory is still 313.0 MB. Free memory was 251.4 MB in the beginning and 250.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 496.74 ms. Allocated memory is still 313.0 MB. Free memory was 250.3 MB in the beginning and 218.2 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 74397.08 ms. Allocated memory was 313.0 MB in the beginning and 589.3 MB in the end (delta: 276.3 MB). Free memory was 218.2 MB in the beginning and 502.9 MB in the end (delta: -284.6 MB). Peak memory consumption was 279.2 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:265) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/metros_4_e3_1025.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_16-53-59-480.csv Completed graceful shutdown