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 0.1.23-62c3406-m [2018-06-26 22:04:37,305 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 22:04:37,307 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 22:04:37,318 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 22:04:37,318 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 22:04:37,319 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 22:04:37,321 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 22:04:37,327 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 22:04:37,329 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 22:04:37,329 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 22:04:37,333 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 22:04:37,333 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 22:04:37,334 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 22:04:37,335 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 22:04:37,336 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 22:04:37,336 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 22:04:37,337 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 22:04:37,339 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 22:04:37,341 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 22:04:37,342 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 22:04:37,343 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 22:04:37,344 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 22:04:37,346 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 22:04:37,346 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 22:04:37,347 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 22:04:37,348 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 22:04:37,348 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 22:04:37,349 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 22:04:37,350 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 22:04:37,351 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 22:04:37,351 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 22:04:37,352 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 22:04:37,352 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 22:04:37,352 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 22:04:37,353 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 22:04:37,353 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 22:04:37,354 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 22:04:37,367 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 22:04:37,367 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 22:04:37,368 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 22:04:37,368 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 22:04:37,369 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 22:04:37,369 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 22:04:37,369 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 22:04:37,369 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 22:04:37,370 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 22:04:37,370 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 22:04:37,370 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 22:04:37,370 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 22:04:37,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 22:04:37,371 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 22:04:37,371 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 22:04:37,371 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 22:04:37,371 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 22:04:37,371 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 22:04:37,372 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 22:04:37,372 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 22:04:37,372 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 22:04:37,374 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 22:04:37,374 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 22:04:37,432 INFO ]: Repository-Root is: /tmp [2018-06-26 22:04:37,447 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 22:04:37,452 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 22:04:37,454 INFO ]: Initializing SmtParser... [2018-06-26 22:04:37,454 INFO ]: SmtParser initialized [2018-06-26 22:04:37,454 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/ctigar/up-nested.c.smt2 [2018-06-26 22:04:37,456 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 [2018-06-26 22:04:37,539 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/up-nested.c.smt2 unknown [2018-06-26 22:04:37,814 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/up-nested.c.smt2 [2018-06-26 22:04:37,819 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 22:04:37,830 INFO ]: Walking toolchain with 5 elements. [2018-06-26 22:04:37,830 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 22:04:37,830 INFO ]: Initializing ChcToBoogie... [2018-06-26 22:04:37,830 INFO ]: ChcToBoogie initialized [2018-06-26 22:04:37,834 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 10:04:37" (1/1) ... [2018-06-26 22:04:37,885 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:04:37 Unit [2018-06-26 22:04:37,885 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 22:04:37,886 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 22:04:37,886 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 22:04:37,886 INFO ]: Boogie Preprocessor initialized [2018-06-26 22:04:37,908 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:04:37" (1/1) ... [2018-06-26 22:04:37,908 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:04:37" (1/1) ... [2018-06-26 22:04:37,914 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:04:37" (1/1) ... [2018-06-26 22:04:37,914 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:04:37" (1/1) ... [2018-06-26 22:04:37,918 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:04:37" (1/1) ... [2018-06-26 22:04:37,919 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:04:37" (1/1) ... [2018-06-26 22:04:37,927 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:04:37" (1/1) ... [2018-06-26 22:04:37,929 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 22:04:37,930 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 22:04:37,930 INFO ]: Initializing RCFGBuilder... [2018-06-26 22:04:37,930 INFO ]: RCFGBuilder initialized [2018-06-26 22:04:37,930 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:04:37" (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) [2018-06-26 22:04:37,953 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 22:04:37,953 INFO ]: Found specification of procedure gotoProc [2018-06-26 22:04:37,954 INFO ]: Found implementation of procedure gotoProc [2018-06-26 22:04:37,954 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 22:04:37,954 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 22:04:37,954 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 [2018-06-26 22:04:38,172 INFO ]: Using library mode [2018-06-26 22:04:38,172 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 10:04:38 BoogieIcfgContainer [2018-06-26 22:04:38,172 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 22:04:38,173 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 22:04:38,173 INFO ]: Initializing BlockEncodingV2... [2018-06-26 22:04:38,174 INFO ]: BlockEncodingV2 initialized [2018-06-26 22:04:38,174 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 10:04:38" (1/1) ... [2018-06-26 22:04:38,190 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-26 22:04:38,191 INFO ]: Using Remove infeasible edges [2018-06-26 22:04:38,192 INFO ]: Using Maximize final states [2018-06-26 22:04:38,193 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 22:04:38,193 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 22:04:38,194 INFO ]: Using Remove sink states [2018-06-26 22:04:38,195 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 22:04:38,195 INFO ]: Using Use SBE [2018-06-26 22:04:38,205 WARN ]: expecting exponential blowup for input size 20 [2018-06-26 22:04:39,848 INFO ]: SBE split 1 edges [2018-06-26 22:04:39,864 INFO ]: Removed 2 edges and 2 locations because of local infeasibility [2018-06-26 22:04:39,866 INFO ]: 0 new accepting states [2018-06-26 22:04:39,919 INFO ]: Removed 4 edges and 2 locations by large block encoding [2018-06-26 22:04:39,921 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 22:04:39,944 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 22:04:39,944 INFO ]: 0 new accepting states [2018-06-26 22:04:39,944 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 22:04:39,945 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 22:04:39,965 INFO ]: Encoded RCFG 6 locations, 197 edges [2018-06-26 22:04:39,965 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 10:04:39 BasicIcfg [2018-06-26 22:04:39,966 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 22:04:39,972 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 22:04:39,972 INFO ]: Initializing TraceAbstraction... [2018-06-26 22:04:39,975 INFO ]: TraceAbstraction initialized [2018-06-26 22:04:39,975 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 10:04:37" (1/4) ... [2018-06-26 22:04:39,978 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33007456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 10:04:39, skipping insertion in model container [2018-06-26 22:04:39,978 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 10:04:37" (2/4) ... [2018-06-26 22:04:39,979 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33007456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 10:04:39, skipping insertion in model container [2018-06-26 22:04:39,979 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 10:04:38" (3/4) ... [2018-06-26 22:04:39,979 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33007456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 10:04:39, skipping insertion in model container [2018-06-26 22:04:39,979 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 10:04:39" (4/4) ... [2018-06-26 22:04:39,980 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 22:04:39,990 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 22:04:39,998 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 22:04:40,054 INFO ]: Using default assertion order modulation [2018-06-26 22:04:40,055 INFO ]: Interprodecural is true [2018-06-26 22:04:40,077 INFO ]: Hoare is false [2018-06-26 22:04:40,077 INFO ]: Compute interpolants for FPandBP [2018-06-26 22:04:40,077 INFO ]: Backedges is TWOTRACK [2018-06-26 22:04:40,077 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 22:04:40,077 INFO ]: Difference is false [2018-06-26 22:04:40,077 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 22:04:40,077 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 22:04:40,090 INFO ]: Start isEmpty. Operand 6 states. [2018-06-26 22:04:40,111 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 22:04:40,111 INFO ]: Found error trace [2018-06-26 22:04:40,112 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 22:04:40,112 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 22:04:40,118 INFO ]: Analyzing trace with hash 41306946, now seen corresponding path program 1 times [2018-06-26 22:04:40,120 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 22:04:40,121 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 22:04:40,159 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:04:40,159 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 22:04:40,159 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:04:40,212 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:04:40,301 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:04:40,304 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 22:04:40,304 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 22:04:40,306 INFO ]: Interpolant automaton has 3 states [2018-06-26 22:04:40,326 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 22:04:40,327 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 22:04:40,329 INFO ]: Start difference. First operand 6 states. Second operand 3 states. [2018-06-26 22:04:41,960 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 22:04:41,960 INFO ]: Finished difference Result 7 states and 283 transitions. [2018-06-26 22:04:41,960 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 22:04:41,961 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 22:04:41,961 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 22:04:41,971 INFO ]: With dead ends: 7 [2018-06-26 22:04:41,972 INFO ]: Without dead ends: 7 [2018-06-26 22:04:41,973 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 [2018-06-26 22:04:41,995 INFO ]: Start minimizeSevpa. Operand 7 states. [2018-06-26 22:04:42,020 INFO ]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-06-26 22:04:42,022 INFO ]: Start removeUnreachable. Operand 7 states. [2018-06-26 22:04:42,023 INFO ]: Finished removeUnreachable. Reduced from 7 states to 7 states and 283 transitions. [2018-06-26 22:04:42,024 INFO ]: Start accepts. Automaton has 7 states and 283 transitions. Word has length 5 [2018-06-26 22:04:42,025 INFO ]: Finished accepts. word is rejected. [2018-06-26 22:04:42,025 INFO ]: Abstraction has 7 states and 283 transitions. [2018-06-26 22:04:42,025 INFO ]: Interpolant automaton has 3 states. [2018-06-26 22:04:42,025 INFO ]: Start isEmpty. Operand 7 states and 283 transitions. [2018-06-26 22:04:42,026 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-26 22:04:42,026 INFO ]: Found error trace [2018-06-26 22:04:42,026 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-26 22:04:42,026 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 22:04:42,026 INFO ]: Analyzing trace with hash 1278556967, now seen corresponding path program 1 times [2018-06-26 22:04:42,026 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 22:04:42,026 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 22:04:42,027 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:04:42,027 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 22:04:42,027 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:04:42,036 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:04:42,078 INFO ]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:04:42,078 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 22:04:42,078 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 22:04:42,079 INFO ]: Interpolant automaton has 3 states [2018-06-26 22:04:42,080 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 22:04:42,080 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 22:04:42,080 INFO ]: Start difference. First operand 7 states and 283 transitions. Second operand 3 states. [2018-06-26 22:04:42,854 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 22:04:42,854 INFO ]: Finished difference Result 9 states and 407 transitions. [2018-06-26 22:04:42,854 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 22:04:42,854 INFO ]: Start accepts. Automaton has 3 states. Word has length 6 [2018-06-26 22:04:42,854 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 22:04:42,856 INFO ]: With dead ends: 9 [2018-06-26 22:04:42,856 INFO ]: Without dead ends: 9 [2018-06-26 22:04:42,857 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 [2018-06-26 22:04:42,857 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-26 22:04:42,863 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-26 22:04:42,863 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-26 22:04:42,864 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 407 transitions. [2018-06-26 22:04:42,864 INFO ]: Start accepts. Automaton has 9 states and 407 transitions. Word has length 6 [2018-06-26 22:04:42,864 INFO ]: Finished accepts. word is rejected. [2018-06-26 22:04:42,864 INFO ]: Abstraction has 9 states and 407 transitions. [2018-06-26 22:04:42,864 INFO ]: Interpolant automaton has 3 states. [2018-06-26 22:04:42,864 INFO ]: Start isEmpty. Operand 9 states and 407 transitions. [2018-06-26 22:04:42,865 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-26 22:04:42,865 INFO ]: Found error trace [2018-06-26 22:04:42,865 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-26 22:04:42,865 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 22:04:42,865 INFO ]: Analyzing trace with hash 1278676131, now seen corresponding path program 1 times [2018-06-26 22:04:42,865 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 22:04:42,865 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 22:04:42,866 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:04:42,866 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 22:04:42,866 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:04:42,874 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:04:42,928 INFO ]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 22:04:42,928 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 22:04:42,928 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 22:04:42,928 INFO ]: Interpolant automaton has 3 states [2018-06-26 22:04:42,928 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 22:04:42,928 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 22:04:42,929 INFO ]: Start difference. First operand 9 states and 407 transitions. Second operand 3 states. [2018-06-26 22:04:43,386 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 22:04:43,386 INFO ]: Finished difference Result 13 states and 567 transitions. [2018-06-26 22:04:43,386 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 22:04:43,386 INFO ]: Start accepts. Automaton has 3 states. Word has length 6 [2018-06-26 22:04:43,386 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 22:04:43,387 INFO ]: With dead ends: 13 [2018-06-26 22:04:43,387 INFO ]: Without dead ends: 11 [2018-06-26 22:04:43,387 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 [2018-06-26 22:04:43,387 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-26 22:04:43,390 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-26 22:04:43,390 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-26 22:04:43,391 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 129 transitions. [2018-06-26 22:04:43,391 INFO ]: Start accepts. Automaton has 11 states and 129 transitions. Word has length 6 [2018-06-26 22:04:43,391 INFO ]: Finished accepts. word is rejected. [2018-06-26 22:04:43,391 INFO ]: Abstraction has 11 states and 129 transitions. [2018-06-26 22:04:43,391 INFO ]: Interpolant automaton has 3 states. [2018-06-26 22:04:43,391 INFO ]: Start isEmpty. Operand 11 states and 129 transitions. [2018-06-26 22:04:43,391 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-26 22:04:43,391 INFO ]: Found error trace [2018-06-26 22:04:43,391 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 22:04:43,391 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 22:04:43,391 INFO ]: Analyzing trace with hash -1650714986, now seen corresponding path program 1 times [2018-06-26 22:04:43,391 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 22:04:43,391 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 22:04:43,392 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:04:43,392 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 22:04:43,392 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:04:43,404 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:04:43,428 INFO ]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-26 22:04:43,429 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 22:04:43,429 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 22:04:43,429 INFO ]: Interpolant automaton has 3 states [2018-06-26 22:04:43,429 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 22:04:43,429 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 22:04:43,429 INFO ]: Start difference. First operand 11 states and 129 transitions. Second operand 3 states. [2018-06-26 22:04:43,511 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 22:04:43,511 INFO ]: Finished difference Result 15 states and 114 transitions. [2018-06-26 22:04:43,511 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 22:04:43,512 INFO ]: Start accepts. Automaton has 3 states. Word has length 9 [2018-06-26 22:04:43,512 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 22:04:43,512 INFO ]: With dead ends: 15 [2018-06-26 22:04:43,512 INFO ]: Without dead ends: 15 [2018-06-26 22:04:43,512 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 [2018-06-26 22:04:43,512 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-26 22:04:43,514 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-06-26 22:04:43,514 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-26 22:04:43,515 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 114 transitions. [2018-06-26 22:04:43,515 INFO ]: Start accepts. Automaton has 15 states and 114 transitions. Word has length 9 [2018-06-26 22:04:43,515 INFO ]: Finished accepts. word is rejected. [2018-06-26 22:04:43,515 INFO ]: Abstraction has 15 states and 114 transitions. [2018-06-26 22:04:43,515 INFO ]: Interpolant automaton has 3 states. [2018-06-26 22:04:43,515 INFO ]: Start isEmpty. Operand 15 states and 114 transitions. [2018-06-26 22:04:43,515 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-26 22:04:43,515 INFO ]: Found error trace [2018-06-26 22:04:43,515 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 22:04:43,515 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 22:04:43,515 INFO ]: Analyzing trace with hash -1881465130, now seen corresponding path program 1 times [2018-06-26 22:04:43,515 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 22:04:43,515 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 22:04:43,516 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:04:43,516 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 22:04:43,516 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 22:04:43,565 INFO ]: Conjunction of SSA is unsat [2018-06-26 22:04:43,617 INFO ]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-06-26 22:04:43,617 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 22:04:43,617 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 22:04:43,617 INFO ]: Interpolant automaton has 3 states [2018-06-26 22:04:43,617 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 22:04:43,617 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 22:04:43,618 INFO ]: Start difference. First operand 15 states and 114 transitions. Second operand 3 states. [2018-06-26 22:04:43,716 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 22:04:43,716 INFO ]: Finished difference Result 12 states and 100 transitions. [2018-06-26 22:04:43,716 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 22:04:43,716 INFO ]: Start accepts. Automaton has 3 states. Word has length 10 [2018-06-26 22:04:43,716 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 22:04:43,716 INFO ]: With dead ends: 12 [2018-06-26 22:04:43,716 INFO ]: Without dead ends: 0 [2018-06-26 22:04:43,716 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 [2018-06-26 22:04:43,717 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-26 22:04:43,717 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-26 22:04:43,717 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-26 22:04:43,717 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-26 22:04:43,717 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-06-26 22:04:43,717 INFO ]: Finished accepts. word is rejected. [2018-06-26 22:04:43,717 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-26 22:04:43,717 INFO ]: Interpolant automaton has 3 states. [2018-06-26 22:04:43,717 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-26 22:04:43,717 INFO ]: Finished isEmpty. No accepting run. [2018-06-26 22:04:43,719 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 22:04:43,720 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 10:04:43 BasicIcfg [2018-06-26 22:04:43,720 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 22:04:43,721 INFO ]: Toolchain (without parser) took 5900.75 ms. Allocated memory was 309.3 MB in the beginning and 589.3 MB in the end (delta: 280.0 MB). Free memory was 263.8 MB in the beginning and 512.9 MB in the end (delta: -249.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 3.6 GB. [2018-06-26 22:04:43,723 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 22:04:43,723 INFO ]: ChcToBoogie took 55.44 ms. Allocated memory is still 309.3 MB. Free memory was 263.8 MB in the beginning and 261.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 22:04:43,724 INFO ]: Boogie Preprocessor took 42.96 ms. Allocated memory is still 309.3 MB. Free memory was 261.8 MB in the beginning and 259.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 22:04:43,725 INFO ]: RCFGBuilder took 242.69 ms. Allocated memory is still 309.3 MB. Free memory was 259.8 MB in the beginning and 251.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-26 22:04:43,726 INFO ]: BlockEncodingV2 took 1792.81 ms. Allocated memory was 309.3 MB in the beginning and 429.9 MB in the end (delta: 120.6 MB). Free memory was 251.8 MB in the beginning and 248.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 208.7 MB. Max. memory is 3.6 GB. [2018-06-26 22:04:43,726 INFO ]: TraceAbstraction took 3747.94 ms. Allocated memory was 429.9 MB in the beginning and 589.3 MB in the end (delta: 159.4 MB). Free memory was 248.3 MB in the beginning and 512.9 MB in the end (delta: -264.6 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 22:04:43,736 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, 197 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 55.44 ms. Allocated memory is still 309.3 MB. Free memory was 263.8 MB in the beginning and 261.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 42.96 ms. Allocated memory is still 309.3 MB. Free memory was 261.8 MB in the beginning and 259.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 242.69 ms. Allocated memory is still 309.3 MB. Free memory was 259.8 MB in the beginning and 251.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 1792.81 ms. Allocated memory was 309.3 MB in the beginning and 429.9 MB in the end (delta: 120.6 MB). Free memory was 251.8 MB in the beginning and 248.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 208.7 MB. Max. memory is 3.6 GB. * TraceAbstraction took 3747.94 ms. Allocated memory was 429.9 MB in the beginning and 589.3 MB in the end (delta: 159.4 MB). Free memory was 248.3 MB in the beginning and 512.9 MB in the end (delta: -264.6 MB). There was no memory consumed. 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, 3.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21 SDtfs, 1 SDslu, 13 SDs, 0 SdLazy, 885 SolverSat, 1008 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 319 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 27/27 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-0-2018-06-26_22-04-43-751.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-1-2018-06-26_22-04-43-751.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-0-2018-06-26_22-04-43-751.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-0-2018-06-26_22-04-43-751.csv Received shutdown request...