java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC_wBE.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/ctigar/up-nested.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 01:40:07,468 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 01:40:07,470 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 01:40:07,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 01:40:07,482 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 01:40:07,483 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 01:40:07,484 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 01:40:07,485 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 01:40:07,487 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 01:40:07,488 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 01:40:07,489 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 01:40:07,489 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 01:40:07,490 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 01:40:07,491 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 01:40:07,492 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 01:40:07,493 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 01:40:07,495 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 01:40:07,497 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 01:40:07,498 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 01:40:07,499 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 01:40:07,501 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 01:40:07,503 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 01:40:07,503 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 01:40:07,504 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 01:40:07,505 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 01:40:07,506 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 01:40:07,506 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 01:40:07,507 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 01:40:07,508 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 01:40:07,509 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 01:40:07,509 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 01:40:07,510 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 01:40:07,510 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 01:40:07,511 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 01:40:07,512 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 01:40:07,512 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 01:40:07,526 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 01:40:07,527 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 01:40:07,527 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 01:40:07,527 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 01:40:07,528 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 01:40:07,528 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 01:40:07,529 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 01:40:07,529 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 01:40:07,529 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 01:40:07,529 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 01:40:07,530 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 01:40:07,530 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 01:40:07,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 01:40:07,530 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 01:40:07,530 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 01:40:07,531 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 01:40:07,531 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 01:40:07,531 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 01:40:07,531 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 01:40:07,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 01:40:07,531 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 01:40:07,533 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 01:40:07,533 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 01:40:07,587 INFO ]: Repository-Root is: /tmp [2018-06-25 01:40:07,603 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 01:40:07,609 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 01:40:07,611 INFO ]: Initializing SmtParser... [2018-06-25 01:40:07,611 INFO ]: SmtParser initialized [2018-06-25 01:40:07,611 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/ctigar/up-nested.c.smt2 [2018-06-25 01:40:07,613 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 01:40:07,707 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/up-nested.c.smt2 unknown [2018-06-25 01:40:07,918 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/up-nested.c.smt2 [2018-06-25 01:40:07,923 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 01:40:07,932 INFO ]: Walking toolchain with 5 elements. [2018-06-25 01:40:07,933 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 01:40:07,933 INFO ]: Initializing ChcToBoogie... [2018-06-25 01:40:07,933 INFO ]: ChcToBoogie initialized [2018-06-25 01:40:07,937 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 01:40:07" (1/1) ... [2018-06-25 01:40:07,990 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:40:07 Unit [2018-06-25 01:40:07,991 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 01:40:07,991 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 01:40:07,991 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 01:40:07,991 INFO ]: Boogie Preprocessor initialized [2018-06-25 01:40:08,012 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:40:07" (1/1) ... [2018-06-25 01:40:08,012 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:40:07" (1/1) ... [2018-06-25 01:40:08,019 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:40:07" (1/1) ... [2018-06-25 01:40:08,019 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:40:07" (1/1) ... [2018-06-25 01:40:08,022 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:40:07" (1/1) ... [2018-06-25 01:40:08,024 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:40:07" (1/1) ... [2018-06-25 01:40:08,027 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:40:07" (1/1) ... [2018-06-25 01:40:08,029 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 01:40:08,029 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 01:40:08,029 INFO ]: Initializing RCFGBuilder... [2018-06-25 01:40:08,029 INFO ]: RCFGBuilder initialized [2018-06-25 01:40:08,030 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:40:07" (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) [2018-06-25 01:40:08,055 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 01:40:08,055 INFO ]: Found specification of procedure gotoProc [2018-06-25 01:40:08,055 INFO ]: Found implementation of procedure gotoProc [2018-06-25 01:40:08,055 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 01:40:08,055 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 01:40:08,055 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 01:40:08,298 INFO ]: Using library mode [2018-06-25 01:40:08,298 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 01:40:08 BoogieIcfgContainer [2018-06-25 01:40:08,298 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 01:40:08,299 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-25 01:40:08,299 INFO ]: Initializing BlockEncodingV2... [2018-06-25 01:40:08,299 INFO ]: BlockEncodingV2 initialized [2018-06-25 01:40:08,306 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 01:40:08" (1/1) ... [2018-06-25 01:40:08,323 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-25 01:40:08,324 INFO ]: Using Remove infeasible edges [2018-06-25 01:40:08,325 INFO ]: Using Maximize final states [2018-06-25 01:40:08,325 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-25 01:40:08,325 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-25 01:40:08,328 INFO ]: Using Remove sink states [2018-06-25 01:40:08,329 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-25 01:40:08,329 INFO ]: Using Use SBE [2018-06-25 01:40:08,344 WARN ]: expecting exponential blowup for input size 20 [2018-06-25 01:40:10,489 WARN ]: Simplifying disjunction of 114960 conjuctions. This might take some time... [2018-06-25 01:40:53,308 INFO ]: Simplified to disjunction of 2512 conjuctions. [2018-06-25 01:40:53,408 INFO ]: SBE split 1 edges [2018-06-25 01:40:53,416 INFO ]: Removed 2 edges and 2 locations because of local infeasibility [2018-06-25 01:40:53,418 INFO ]: 0 new accepting states [2018-06-25 01:40:53,472 INFO ]: Removed 4 edges and 2 locations by large block encoding [2018-06-25 01:40:53,474 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-25 01:40:53,478 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-25 01:40:53,479 INFO ]: 0 new accepting states [2018-06-25 01:40:53,479 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-25 01:40:53,479 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-25 01:40:53,482 INFO ]: Encoded RCFG 6 locations, 37 edges [2018-06-25 01:40:53,483 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 25.06 01:40:53 BasicIcfg [2018-06-25 01:40:53,483 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-25 01:40:53,484 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 01:40:53,485 INFO ]: Initializing TraceAbstraction... [2018-06-25 01:40:53,490 INFO ]: TraceAbstraction initialized [2018-06-25 01:40:53,490 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 01:40:07" (1/4) ... [2018-06-25 01:40:53,491 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f64d909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 01:40:53, skipping insertion in model container [2018-06-25 01:40:53,491 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:40:07" (2/4) ... [2018-06-25 01:40:53,491 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f64d909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 01:40:53, skipping insertion in model container [2018-06-25 01:40:53,491 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 01:40:08" (3/4) ... [2018-06-25 01:40:53,493 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f64d909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 01:40:53, skipping insertion in model container [2018-06-25 01:40:53,493 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 25.06 01:40:53" (4/4) ... [2018-06-25 01:40:53,495 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-25 01:40:53,505 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 01:40:53,515 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 01:40:53,569 INFO ]: Using default assertion order modulation [2018-06-25 01:40:53,570 INFO ]: Interprodecural is true [2018-06-25 01:40:53,570 INFO ]: Hoare is false [2018-06-25 01:40:53,570 INFO ]: Compute interpolants for FPandBP [2018-06-25 01:40:53,570 INFO ]: Backedges is TWOTRACK [2018-06-25 01:40:53,570 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 01:40:53,570 INFO ]: Difference is false [2018-06-25 01:40:53,570 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 01:40:53,570 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 01:40:53,585 INFO ]: Start isEmpty. Operand 6 states. [2018-06-25 01:40:53,600 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-25 01:40:53,600 INFO ]: Found error trace [2018-06-25 01:40:53,603 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-25 01:40:53,603 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 01:40:53,609 INFO ]: Analyzing trace with hash 36386626, now seen corresponding path program 1 times [2018-06-25 01:40:53,611 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 01:40:53,611 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 01:40:53,666 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 01:40:53,666 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 01:40:53,666 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 01:40:53,717 INFO ]: Conjunction of SSA is unsat [2018-06-25 01:40:53,822 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 01:40:53,825 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 01:40:53,826 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 01:40:53,828 INFO ]: Interpolant automaton has 3 states [2018-06-25 01:40:53,844 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 01:40:53,844 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 01:40:53,848 INFO ]: Start difference. First operand 6 states. Second operand 3 states. [2018-06-25 01:40:54,735 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 01:40:54,735 INFO ]: Finished difference Result 7 states and 53 transitions. [2018-06-25 01:40:54,736 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 01:40:54,737 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-25 01:40:54,737 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 01:40:54,747 INFO ]: With dead ends: 7 [2018-06-25 01:40:54,747 INFO ]: Without dead ends: 7 [2018-06-25 01:40:54,749 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 01:40:54,767 INFO ]: Start minimizeSevpa. Operand 7 states. [2018-06-25 01:40:54,791 INFO ]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-06-25 01:40:54,794 INFO ]: Start removeUnreachable. Operand 7 states. [2018-06-25 01:40:54,795 INFO ]: Finished removeUnreachable. Reduced from 7 states to 7 states and 53 transitions. [2018-06-25 01:40:54,796 INFO ]: Start accepts. Automaton has 7 states and 53 transitions. Word has length 5 [2018-06-25 01:40:54,797 INFO ]: Finished accepts. word is rejected. [2018-06-25 01:40:54,797 INFO ]: Abstraction has 7 states and 53 transitions. [2018-06-25 01:40:54,797 INFO ]: Interpolant automaton has 3 states. [2018-06-25 01:40:54,797 INFO ]: Start isEmpty. Operand 7 states and 53 transitions. [2018-06-25 01:40:54,798 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-25 01:40:54,798 INFO ]: Found error trace [2018-06-25 01:40:54,798 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-25 01:40:54,798 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 01:40:54,798 INFO ]: Analyzing trace with hash 1127899075, now seen corresponding path program 1 times [2018-06-25 01:40:54,798 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 01:40:54,798 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 01:40:54,799 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 01:40:54,799 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 01:40:54,799 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 01:40:54,807 INFO ]: Conjunction of SSA is unsat [2018-06-25 01:40:54,880 INFO ]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 01:40:54,880 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 01:40:54,880 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 01:40:54,881 INFO ]: Interpolant automaton has 3 states [2018-06-25 01:40:54,881 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 01:40:54,882 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 01:40:54,882 INFO ]: Start difference. First operand 7 states and 53 transitions. Second operand 3 states. [2018-06-25 01:40:55,115 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 01:40:55,115 INFO ]: Finished difference Result 9 states and 77 transitions. [2018-06-25 01:40:55,116 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 01:40:55,116 INFO ]: Start accepts. Automaton has 3 states. Word has length 6 [2018-06-25 01:40:55,116 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 01:40:55,116 INFO ]: With dead ends: 9 [2018-06-25 01:40:55,116 INFO ]: Without dead ends: 9 [2018-06-25 01:40:55,117 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 01:40:55,117 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-25 01:40:55,119 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-25 01:40:55,119 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-25 01:40:55,120 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 77 transitions. [2018-06-25 01:40:55,120 INFO ]: Start accepts. Automaton has 9 states and 77 transitions. Word has length 6 [2018-06-25 01:40:55,120 INFO ]: Finished accepts. word is rejected. [2018-06-25 01:40:55,120 INFO ]: Abstraction has 9 states and 77 transitions. [2018-06-25 01:40:55,120 INFO ]: Interpolant automaton has 3 states. [2018-06-25 01:40:55,120 INFO ]: Start isEmpty. Operand 9 states and 77 transitions. [2018-06-25 01:40:55,121 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 01:40:55,121 INFO ]: Found error trace [2018-06-25 01:40:55,121 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 01:40:55,121 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 01:40:55,121 INFO ]: Analyzing trace with hash 585056865, now seen corresponding path program 1 times [2018-06-25 01:40:55,121 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 01:40:55,121 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 01:40:55,122 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 01:40:55,122 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 01:40:55,122 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 01:40:55,131 INFO ]: Conjunction of SSA is unsat [2018-06-25 01:40:55,174 INFO ]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 01:40:55,174 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 01:40:55,174 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 01:40:55,174 INFO ]: Interpolant automaton has 3 states [2018-06-25 01:40:55,174 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 01:40:55,174 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 01:40:55,175 INFO ]: Start difference. First operand 9 states and 77 transitions. Second operand 3 states. [2018-06-25 01:40:55,424 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 01:40:55,424 INFO ]: Finished difference Result 13 states and 107 transitions. [2018-06-25 01:40:55,424 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 01:40:55,424 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 01:40:55,424 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 01:40:55,425 INFO ]: With dead ends: 13 [2018-06-25 01:40:55,425 INFO ]: Without dead ends: 11 [2018-06-25 01:40:55,425 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 01:40:55,425 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-25 01:40:55,428 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-25 01:40:55,428 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-25 01:40:55,428 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 45 transitions. [2018-06-25 01:40:55,428 INFO ]: Start accepts. Automaton has 11 states and 45 transitions. Word has length 7 [2018-06-25 01:40:55,428 INFO ]: Finished accepts. word is rejected. [2018-06-25 01:40:55,428 INFO ]: Abstraction has 11 states and 45 transitions. [2018-06-25 01:40:55,428 INFO ]: Interpolant automaton has 3 states. [2018-06-25 01:40:55,429 INFO ]: Start isEmpty. Operand 11 states and 45 transitions. [2018-06-25 01:40:55,429 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-25 01:40:55,429 INFO ]: Found error trace [2018-06-25 01:40:55,429 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 01:40:55,429 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 01:40:55,429 INFO ]: Analyzing trace with hash -1919594835, now seen corresponding path program 1 times [2018-06-25 01:40:55,429 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 01:40:55,429 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 01:40:55,430 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 01:40:55,430 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 01:40:55,430 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 01:40:55,449 INFO ]: Conjunction of SSA is unsat [2018-06-25 01:40:55,493 INFO ]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-25 01:40:55,493 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 01:40:55,493 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 01:40:55,494 INFO ]: Interpolant automaton has 3 states [2018-06-25 01:40:55,494 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 01:40:55,494 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 01:40:55,494 INFO ]: Start difference. First operand 11 states and 45 transitions. Second operand 3 states. [2018-06-25 01:40:55,559 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 01:40:55,559 INFO ]: Finished difference Result 15 states and 43 transitions. [2018-06-25 01:40:55,559 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 01:40:55,559 INFO ]: Start accepts. Automaton has 3 states. Word has length 9 [2018-06-25 01:40:55,559 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 01:40:55,560 INFO ]: With dead ends: 15 [2018-06-25 01:40:55,560 INFO ]: Without dead ends: 15 [2018-06-25 01:40:55,560 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 01:40:55,560 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-25 01:40:55,562 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-06-25 01:40:55,562 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-25 01:40:55,562 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 43 transitions. [2018-06-25 01:40:55,563 INFO ]: Start accepts. Automaton has 15 states and 43 transitions. Word has length 9 [2018-06-25 01:40:55,563 INFO ]: Finished accepts. word is rejected. [2018-06-25 01:40:55,563 INFO ]: Abstraction has 15 states and 43 transitions. [2018-06-25 01:40:55,563 INFO ]: Interpolant automaton has 3 states. [2018-06-25 01:40:55,563 INFO ]: Start isEmpty. Operand 15 states and 43 transitions. [2018-06-25 01:40:55,563 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-25 01:40:55,563 INFO ]: Found error trace [2018-06-25 01:40:55,563 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 01:40:55,563 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 01:40:55,563 INFO ]: Analyzing trace with hash 613704239, now seen corresponding path program 1 times [2018-06-25 01:40:55,563 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 01:40:55,563 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 01:40:55,564 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 01:40:55,564 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 01:40:55,564 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 01:40:55,582 INFO ]: Conjunction of SSA is unsat [2018-06-25 01:40:55,672 INFO ]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-06-25 01:40:55,672 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 01:40:55,672 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 01:40:55,673 INFO ]: Interpolant automaton has 3 states [2018-06-25 01:40:55,673 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 01:40:55,673 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 01:40:55,673 INFO ]: Start difference. First operand 15 states and 43 transitions. Second operand 3 states. [2018-06-25 01:40:55,814 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 01:40:55,814 INFO ]: Finished difference Result 12 states and 35 transitions. [2018-06-25 01:40:55,815 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 01:40:55,815 INFO ]: Start accepts. Automaton has 3 states. Word has length 10 [2018-06-25 01:40:55,815 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 01:40:55,815 INFO ]: With dead ends: 12 [2018-06-25 01:40:55,815 INFO ]: Without dead ends: 0 [2018-06-25 01:40:55,815 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 5 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 01:40:55,815 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-25 01:40:55,815 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-25 01:40:55,815 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-25 01:40:55,815 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-25 01:40:55,815 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-06-25 01:40:55,815 INFO ]: Finished accepts. word is rejected. [2018-06-25 01:40:55,815 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-25 01:40:55,815 INFO ]: Interpolant automaton has 3 states. [2018-06-25 01:40:55,815 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-25 01:40:55,815 INFO ]: Finished isEmpty. No accepting run. [2018-06-25 01:40:55,818 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-25 01:40:55,819 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 01:40:55 BasicIcfg [2018-06-25 01:40:55,820 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 01:40:55,821 INFO ]: Toolchain (without parser) took 47897.01 ms. Allocated memory was 309.3 MB in the beginning and 806.9 MB in the end (delta: 497.5 MB). Free memory was 263.7 MB in the beginning and 496.1 MB in the end (delta: -232.4 MB). Peak memory consumption was 265.1 MB. Max. memory is 3.6 GB. [2018-06-25 01:40:55,822 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 01:40:55,823 INFO ]: ChcToBoogie took 57.83 ms. Allocated memory is still 309.3 MB. Free memory was 263.7 MB in the beginning and 261.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. [2018-06-25 01:40:55,823 INFO ]: Boogie Preprocessor took 37.51 ms. Allocated memory is still 309.3 MB. Free memory was 261.6 MB in the beginning and 260.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 3.6 GB. [2018-06-25 01:40:55,824 INFO ]: RCFGBuilder took 269.05 ms. Allocated memory is still 309.3 MB. Free memory was 259.6 MB in the beginning and 251.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-25 01:40:55,824 INFO ]: BlockEncodingV2 took 45184.50 ms. Allocated memory was 309.3 MB in the beginning and 806.9 MB in the end (delta: 497.5 MB). Free memory was 251.6 MB in the beginning and 576.7 MB in the end (delta: -325.1 MB). Peak memory consumption was 352.2 MB. Max. memory is 3.6 GB. [2018-06-25 01:40:55,825 INFO ]: TraceAbstraction took 2335.13 ms. Allocated memory is still 806.9 MB. Free memory was 576.7 MB in the beginning and 496.1 MB in the end (delta: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 3.6 GB. [2018-06-25 01:40:55,829 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 10 edges - StatisticsResult: Encoded RCFG 6 locations, 37 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 57.83 ms. Allocated memory is still 309.3 MB. Free memory was 263.7 MB in the beginning and 261.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 37.51 ms. Allocated memory is still 309.3 MB. Free memory was 261.6 MB in the beginning and 260.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 269.05 ms. Allocated memory is still 309.3 MB. Free memory was 259.6 MB in the beginning and 251.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 45184.50 ms. Allocated memory was 309.3 MB in the beginning and 806.9 MB in the end (delta: 497.5 MB). Free memory was 251.6 MB in the beginning and 576.7 MB in the end (delta: -325.1 MB). Peak memory consumption was 352.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 2335.13 ms. Allocated memory is still 806.9 MB. Free memory was 576.7 MB in the beginning and 496.1 MB in the end (delta: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 6 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21 SDtfs, 1 SDslu, 13 SDs, 0 SdLazy, 186 SolverSat, 162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=4, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 330 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 29/29 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/up-nested.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-25_01-40-55-860.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/up-nested.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-25_01-40-55-860.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/up-nested.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-25_01-40-55-860.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/up-nested.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_01-40-55-860.csv Received shutdown request...