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/cav12/s3_srvr_12.cil.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 00:03:13,957 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 00:03:13,959 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 00:03:13,971 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 00:03:13,971 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 00:03:13,971 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 00:03:13,975 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 00:03:13,977 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 00:03:13,979 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 00:03:13,980 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 00:03:13,980 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 00:03:13,981 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 00:03:13,981 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 00:03:13,982 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 00:03:13,983 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 00:03:13,983 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 00:03:13,985 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 00:03:13,987 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 00:03:13,988 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 00:03:13,989 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 00:03:13,990 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 00:03:13,993 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 00:03:13,993 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 00:03:13,993 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 00:03:13,994 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 00:03:13,995 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 00:03:13,996 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 00:03:13,996 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 00:03:13,997 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 00:03:13,998 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 00:03:13,998 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 00:03:13,999 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 00:03:13,999 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 00:03:14,000 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 00:03:14,001 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 00:03:14,001 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 00:03:14,015 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 00:03:14,015 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 00:03:14,015 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 00:03:14,016 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 00:03:14,016 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 00:03:14,017 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 00:03:14,017 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 00:03:14,017 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 00:03:14,017 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 00:03:14,018 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 00:03:14,018 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 00:03:14,018 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 00:03:14,018 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 00:03:14,018 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 00:03:14,019 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 00:03:14,019 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 00:03:14,019 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 00:03:14,019 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 00:03:14,019 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 00:03:14,020 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 00:03:14,020 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 00:03:14,021 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 00:03:14,021 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 00:03:14,068 INFO ]: Repository-Root is: /tmp [2018-06-25 00:03:14,081 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 00:03:14,084 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 00:03:14,086 INFO ]: Initializing SmtParser... [2018-06-25 00:03:14,086 INFO ]: SmtParser initialized [2018-06-25 00:03:14,087 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/cav12/s3_srvr_12.cil.smt2 [2018-06-25 00:03:14,088 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 00:03:14,178 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/cav12/s3_srvr_12.cil.smt2 unknown [2018-06-25 00:03:14,739 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/cav12/s3_srvr_12.cil.smt2 [2018-06-25 00:03:14,743 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 00:03:14,753 INFO ]: Walking toolchain with 5 elements. [2018-06-25 00:03:14,754 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 00:03:14,754 INFO ]: Initializing ChcToBoogie... [2018-06-25 00:03:14,754 INFO ]: ChcToBoogie initialized [2018-06-25 00:03:14,767 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 12:03:14" (1/1) ... [2018-06-25 00:03:14,878 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:03:14 Unit [2018-06-25 00:03:14,879 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 00:03:14,879 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 00:03:14,879 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 00:03:14,879 INFO ]: Boogie Preprocessor initialized [2018-06-25 00:03:14,900 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:03:14" (1/1) ... [2018-06-25 00:03:14,900 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:03:14" (1/1) ... [2018-06-25 00:03:14,921 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:03:14" (1/1) ... [2018-06-25 00:03:14,921 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:03:14" (1/1) ... [2018-06-25 00:03:14,934 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:03:14" (1/1) ... [2018-06-25 00:03:14,936 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:03:14" (1/1) ... [2018-06-25 00:03:14,940 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:03:14" (1/1) ... [2018-06-25 00:03:14,945 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 00:03:14,945 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 00:03:14,945 INFO ]: Initializing RCFGBuilder... [2018-06-25 00:03:14,946 INFO ]: RCFGBuilder initialized [2018-06-25 00:03:14,946 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:03:14" (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 00:03:14,976 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 00:03:14,976 INFO ]: Found specification of procedure gotoProc [2018-06-25 00:03:14,976 INFO ]: Found implementation of procedure gotoProc [2018-06-25 00:03:14,976 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 00:03:14,976 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 00:03:14,976 INFO ]: Found implementation of procedure Ultimate.START [2018-06-25 00:03:15,394 INFO ]: Using library mode [2018-06-25 00:03:15,395 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 12:03:15 BoogieIcfgContainer [2018-06-25 00:03:15,395 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 00:03:15,396 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-25 00:03:15,396 INFO ]: Initializing BlockEncodingV2... [2018-06-25 00:03:15,397 INFO ]: BlockEncodingV2 initialized [2018-06-25 00:03:15,397 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 12:03:15" (1/1) ... [2018-06-25 00:03:15,415 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-25 00:03:15,417 INFO ]: Using Remove infeasible edges [2018-06-25 00:03:15,417 INFO ]: Using Maximize final states [2018-06-25 00:03:15,418 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-25 00:03:15,418 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-25 00:03:15,421 INFO ]: Using Remove sink states [2018-06-25 00:03:15,422 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-25 00:03:15,422 INFO ]: Using Use SBE [2018-06-25 00:03:16,590 WARN ]: Simplifying disjunction of 9712 conjuctions. This might take some time... [2018-06-25 00:04:04,000 INFO ]: Simplified to disjunction of 9712 conjuctions. [2018-06-25 00:04:05,212 INFO ]: SBE split 1 edges [2018-06-25 00:04:05,330 INFO ]: Removed 2 edges and 2 locations because of local infeasibility [2018-06-25 00:04:05,334 INFO ]: 0 new accepting states [2018-06-25 00:04:05,385 INFO ]: Removed 4 edges and 2 locations by large block encoding [2018-06-25 00:04:05,387 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-25 00:04:05,531 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-25 00:04:05,532 INFO ]: 0 new accepting states [2018-06-25 00:04:05,532 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-25 00:04:05,533 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-25 00:04:05,744 INFO ]: Encoded RCFG 6 locations, 1219 edges [2018-06-25 00:04:05,744 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 25.06 12:04:05 BasicIcfg [2018-06-25 00:04:05,745 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-25 00:04:05,746 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 00:04:05,746 INFO ]: Initializing TraceAbstraction... [2018-06-25 00:04:05,749 INFO ]: TraceAbstraction initialized [2018-06-25 00:04:05,749 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 12:03:14" (1/4) ... [2018-06-25 00:04:05,752 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c6f3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 12:04:05, skipping insertion in model container [2018-06-25 00:04:05,752 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:03:14" (2/4) ... [2018-06-25 00:04:05,752 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c6f3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 12:04:05, skipping insertion in model container [2018-06-25 00:04:05,752 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 12:03:15" (3/4) ... [2018-06-25 00:04:05,753 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c6f3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 12:04:05, skipping insertion in model container [2018-06-25 00:04:05,753 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 25.06 12:04:05" (4/4) ... [2018-06-25 00:04:05,754 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-25 00:04:05,760 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 00:04:05,765 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 00:04:05,798 INFO ]: Using default assertion order modulation [2018-06-25 00:04:05,799 INFO ]: Interprodecural is true [2018-06-25 00:04:05,799 INFO ]: Hoare is false [2018-06-25 00:04:05,799 INFO ]: Compute interpolants for FPandBP [2018-06-25 00:04:05,799 INFO ]: Backedges is TWOTRACK [2018-06-25 00:04:05,799 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 00:04:05,799 INFO ]: Difference is false [2018-06-25 00:04:05,799 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 00:04:05,799 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 00:04:05,811 INFO ]: Start isEmpty. Operand 6 states. [2018-06-25 00:04:05,826 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-25 00:04:05,826 INFO ]: Found error trace [2018-06-25 00:04:05,827 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-25 00:04:05,827 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 00:04:05,830 INFO ]: Analyzing trace with hash 72735490, now seen corresponding path program 1 times [2018-06-25 00:04:05,831 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 00:04:05,832 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 00:04:05,860 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 00:04:05,860 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 00:04:05,860 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 00:04:05,922 INFO ]: Conjunction of SSA is unsat [2018-06-25 00:04:05,991 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 00:04:05,993 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 00:04:05,993 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 00:04:05,994 INFO ]: Interpolant automaton has 3 states [2018-06-25 00:04:06,003 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 00:04:06,003 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 00:04:06,006 INFO ]: Start difference. First operand 6 states. Second operand 3 states. [2018-06-25 00:04:13,299 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 00:04:13,304 INFO ]: Finished difference Result 7 states and 1387 transitions. [2018-06-25 00:04:13,305 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 00:04:13,306 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-25 00:04:13,306 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 00:04:13,325 INFO ]: With dead ends: 7 [2018-06-25 00:04:13,325 INFO ]: Without dead ends: 7 [2018-06-25 00:04:13,327 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 00:04:13,353 INFO ]: Start minimizeSevpa. Operand 7 states. [2018-06-25 00:04:13,399 INFO ]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-06-25 00:04:13,402 INFO ]: Start removeUnreachable. Operand 7 states. [2018-06-25 00:04:13,405 INFO ]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1387 transitions. [2018-06-25 00:04:13,406 INFO ]: Start accepts. Automaton has 7 states and 1387 transitions. Word has length 5 [2018-06-25 00:04:13,407 INFO ]: Finished accepts. word is rejected. [2018-06-25 00:04:13,407 INFO ]: Abstraction has 7 states and 1387 transitions. [2018-06-25 00:04:13,407 INFO ]: Interpolant automaton has 3 states. [2018-06-25 00:04:13,407 INFO ]: Start isEmpty. Operand 7 states and 1387 transitions. [2018-06-25 00:04:13,408 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-25 00:04:13,408 INFO ]: Found error trace [2018-06-25 00:04:13,408 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-25 00:04:13,408 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 00:04:13,408 INFO ]: Analyzing trace with hash -2069534146, now seen corresponding path program 1 times [2018-06-25 00:04:13,408 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 00:04:13,408 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 00:04:13,412 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 00:04:13,412 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 00:04:13,412 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 00:04:13,473 INFO ]: Conjunction of SSA is unsat [2018-06-25 00:04:13,583 INFO ]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 00:04:13,583 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 00:04:13,583 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 00:04:13,584 INFO ]: Interpolant automaton has 3 states [2018-06-25 00:04:13,585 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 00:04:13,585 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 00:04:13,585 INFO ]: Start difference. First operand 7 states and 1387 transitions. Second operand 3 states. [2018-06-25 00:04:18,026 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 00:04:18,027 INFO ]: Finished difference Result 8 states and 1389 transitions. [2018-06-25 00:04:18,027 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 00:04:18,027 INFO ]: Start accepts. Automaton has 3 states. Word has length 6 [2018-06-25 00:04:18,027 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 00:04:18,029 INFO ]: With dead ends: 8 [2018-06-25 00:04:18,029 INFO ]: Without dead ends: 8 [2018-06-25 00:04:18,029 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 00:04:18,029 INFO ]: Start minimizeSevpa. Operand 8 states. [2018-06-25 00:04:18,041 INFO ]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-06-25 00:04:18,043 INFO ]: Start removeUnreachable. Operand 8 states. [2018-06-25 00:04:18,046 INFO ]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1389 transitions. [2018-06-25 00:04:18,046 INFO ]: Start accepts. Automaton has 8 states and 1389 transitions. Word has length 6 [2018-06-25 00:04:18,046 INFO ]: Finished accepts. word is rejected. [2018-06-25 00:04:18,046 INFO ]: Abstraction has 8 states and 1389 transitions. [2018-06-25 00:04:18,046 INFO ]: Interpolant automaton has 3 states. [2018-06-25 00:04:18,046 INFO ]: Start isEmpty. Operand 8 states and 1389 transitions. [2018-06-25 00:04:18,047 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-25 00:04:18,047 INFO ]: Found error trace [2018-06-25 00:04:18,047 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-25 00:04:18,047 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 00:04:18,047 INFO ]: Analyzing trace with hash -2063993020, now seen corresponding path program 1 times [2018-06-25 00:04:18,047 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 00:04:18,047 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 00:04:18,048 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 00:04:18,048 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 00:04:18,048 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 00:04:18,077 INFO ]: Conjunction of SSA is unsat [2018-06-25 00:04:18,112 INFO ]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 00:04:18,112 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 00:04:18,113 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 00:04:18,113 INFO ]: Interpolant automaton has 3 states [2018-06-25 00:04:18,113 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 00:04:18,113 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 00:04:18,113 INFO ]: Start difference. First operand 8 states and 1389 transitions. Second operand 3 states. [2018-06-25 00:04:21,833 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 00:04:21,833 INFO ]: Finished difference Result 9 states and 1391 transitions. [2018-06-25 00:04:21,834 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 00:04:21,834 INFO ]: Start accepts. Automaton has 3 states. Word has length 6 [2018-06-25 00:04:21,834 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 00:04:21,836 INFO ]: With dead ends: 9 [2018-06-25 00:04:21,836 INFO ]: Without dead ends: 9 [2018-06-25 00:04:21,836 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 00:04:21,837 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-25 00:04:21,844 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-25 00:04:21,844 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-25 00:04:21,847 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1391 transitions. [2018-06-25 00:04:21,847 INFO ]: Start accepts. Automaton has 9 states and 1391 transitions. Word has length 6 [2018-06-25 00:04:21,847 INFO ]: Finished accepts. word is rejected. [2018-06-25 00:04:21,847 INFO ]: Abstraction has 9 states and 1391 transitions. [2018-06-25 00:04:21,847 INFO ]: Interpolant automaton has 3 states. [2018-06-25 00:04:21,847 INFO ]: Start isEmpty. Operand 9 states and 1391 transitions. [2018-06-25 00:04:21,849 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 00:04:21,849 INFO ]: Found error trace [2018-06-25 00:04:21,849 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 00:04:21,849 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 00:04:21,849 INFO ]: Analyzing trace with hash -222175613, now seen corresponding path program 1 times [2018-06-25 00:04:21,849 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 00:04:21,849 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 00:04:21,850 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 00:04:21,850 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 00:04:21,850 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 00:04:21,903 INFO ]: Conjunction of SSA is unsat [2018-06-25 00:04:21,968 INFO ]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-25 00:04:21,968 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 00:04:21,968 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 00:04:21,968 INFO ]: Interpolant automaton has 3 states [2018-06-25 00:04:21,968 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 00:04:21,968 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 00:04:21,968 INFO ]: Start difference. First operand 9 states and 1391 transitions. Second operand 3 states. [2018-06-25 00:04:25,306 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 00:04:25,306 INFO ]: Finished difference Result 11 states and 1503 transitions. [2018-06-25 00:04:25,308 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 00:04:25,308 INFO ]: Start accepts. Automaton has 3 states. Word has length 8 [2018-06-25 00:04:25,308 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 00:04:25,310 INFO ]: With dead ends: 11 [2018-06-25 00:04:25,310 INFO ]: Without dead ends: 11 [2018-06-25 00:04:25,311 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 00:04:25,311 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-25 00:04:25,318 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 10. [2018-06-25 00:04:25,318 INFO ]: Start removeUnreachable. Operand 10 states. [2018-06-25 00:04:25,321 INFO ]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1501 transitions. [2018-06-25 00:04:25,321 INFO ]: Start accepts. Automaton has 10 states and 1501 transitions. Word has length 8 [2018-06-25 00:04:25,322 INFO ]: Finished accepts. word is rejected. [2018-06-25 00:04:25,322 INFO ]: Abstraction has 10 states and 1501 transitions. [2018-06-25 00:04:25,322 INFO ]: Interpolant automaton has 3 states. [2018-06-25 00:04:25,322 INFO ]: Start isEmpty. Operand 10 states and 1501 transitions. [2018-06-25 00:04:25,323 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-25 00:04:25,323 INFO ]: Found error trace [2018-06-25 00:04:25,323 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 00:04:25,323 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 00:04:25,323 INFO ]: Analyzing trace with hash -1858091880, now seen corresponding path program 1 times [2018-06-25 00:04:25,323 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 00:04:25,323 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 00:04:25,324 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 00:04:25,324 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 00:04:25,324 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 00:04:25,377 INFO ]: Conjunction of SSA is unsat [2018-06-25 00:04:25,511 INFO ]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-25 00:04:25,511 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 00:04:25,511 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 00:04:25,511 INFO ]: Interpolant automaton has 3 states [2018-06-25 00:04:25,511 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 00:04:25,511 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 00:04:25,512 INFO ]: Start difference. First operand 10 states and 1501 transitions. Second operand 3 states. [2018-06-25 00:04:29,563 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 00:04:29,563 INFO ]: Finished difference Result 13 states and 1995 transitions. [2018-06-25 00:04:29,564 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 00:04:29,564 INFO ]: Start accepts. Automaton has 3 states. Word has length 9 [2018-06-25 00:04:29,564 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 00:04:29,567 INFO ]: With dead ends: 13 [2018-06-25 00:04:29,567 INFO ]: Without dead ends: 13 [2018-06-25 00:04:29,567 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 00:04:29,567 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-25 00:04:29,575 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 12. [2018-06-25 00:04:29,576 INFO ]: Start removeUnreachable. Operand 12 states. [2018-06-25 00:04:29,579 INFO ]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1993 transitions. [2018-06-25 00:04:29,579 INFO ]: Start accepts. Automaton has 12 states and 1993 transitions. Word has length 9 [2018-06-25 00:04:29,579 INFO ]: Finished accepts. word is rejected. [2018-06-25 00:04:29,579 INFO ]: Abstraction has 12 states and 1993 transitions. [2018-06-25 00:04:29,579 INFO ]: Interpolant automaton has 3 states. [2018-06-25 00:04:29,579 INFO ]: Start isEmpty. Operand 12 states and 1993 transitions. [2018-06-25 00:04:29,582 INFO ]: Finished isEmpty. Found accepting run of length 12 [2018-06-25 00:04:29,582 INFO ]: Found error trace [2018-06-25 00:04:29,582 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 00:04:29,582 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 00:04:29,582 INFO ]: Analyzing trace with hash 862902183, now seen corresponding path program 1 times [2018-06-25 00:04:29,582 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 00:04:29,582 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 00:04:29,583 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 00:04:29,583 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 00:04:29,583 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 00:04:29,638 INFO ]: Conjunction of SSA is unsat [2018-06-25 00:04:29,820 INFO ]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-06-25 00:04:29,820 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 00:04:29,820 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 00:04:29,820 INFO ]: Interpolant automaton has 3 states [2018-06-25 00:04:29,820 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 00:04:29,820 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 00:04:29,820 INFO ]: Start difference. First operand 12 states and 1993 transitions. Second operand 3 states. Received shutdown request... [2018-06-25 00:04:31,053 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 00:04:31,054 WARN ]: Verification canceled [2018-06-25 00:04:31,056 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-25 00:04:31,057 WARN ]: Timeout [2018-06-25 00:04:31,057 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 12:04:31 BasicIcfg [2018-06-25 00:04:31,057 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 00:04:31,058 INFO ]: Toolchain (without parser) took 76314.43 ms. Allocated memory was 309.3 MB in the beginning and 1.0 GB in the end (delta: 704.6 MB). Free memory was 242.9 MB in the beginning and 529.9 MB in the end (delta: -287.0 MB). Peak memory consumption was 417.7 MB. Max. memory is 3.6 GB. [2018-06-25 00:04:31,059 INFO ]: SmtParser took 0.07 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. [2018-06-25 00:04:31,059 INFO ]: ChcToBoogie took 124.82 ms. Allocated memory is still 309.3 MB. Free memory was 241.9 MB in the beginning and 239.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-25 00:04:31,060 INFO ]: Boogie Preprocessor took 65.82 ms. Allocated memory is still 309.3 MB. Free memory was 239.0 MB in the beginning and 237.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 00:04:31,060 INFO ]: RCFGBuilder took 449.80 ms. Allocated memory is still 309.3 MB. Free memory was 237.0 MB in the beginning and 204.9 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 3.6 GB. [2018-06-25 00:04:31,060 INFO ]: BlockEncodingV2 took 50348.83 ms. Allocated memory was 309.3 MB in the beginning and 402.1 MB in the end (delta: 92.8 MB). Free memory was 204.9 MB in the beginning and 236.2 MB in the end (delta: -31.3 MB). Peak memory consumption was 139.0 MB. Max. memory is 3.6 GB. [2018-06-25 00:04:31,066 INFO ]: TraceAbstraction took 25311.34 ms. Allocated memory was 402.1 MB in the beginning and 1.0 GB in the end (delta: 611.8 MB). Free memory was 232.8 MB in the beginning and 529.9 MB in the end (delta: -297.1 MB). Peak memory consumption was 314.8 MB. Max. memory is 3.6 GB. [2018-06-25 00:04:31,069 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, 1219 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 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 124.82 ms. Allocated memory is still 309.3 MB. Free memory was 241.9 MB in the beginning and 239.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 65.82 ms. Allocated memory is still 309.3 MB. Free memory was 239.0 MB in the beginning and 237.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 449.80 ms. Allocated memory is still 309.3 MB. Free memory was 237.0 MB in the beginning and 204.9 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 50348.83 ms. Allocated memory was 309.3 MB in the beginning and 402.1 MB in the end (delta: 92.8 MB). Free memory was 204.9 MB in the beginning and 236.2 MB in the end (delta: -31.3 MB). Peak memory consumption was 139.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 25311.34 ms. Allocated memory was 402.1 MB in the beginning and 1.0 GB in the end (delta: 611.8 MB). Free memory was 232.8 MB in the beginning and 529.9 MB in the end (delta: -297.1 MB). Peak memory consumption was 314.8 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was constructing difference of abstraction (12states) and interpolant automaton (currently 3 states, 3 states before enhancement), while ReachableStatesComputation was computing reachable states (8 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 6 locations, 1 error locations. TIMEOUT Result, 25.2s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 24.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 27 SDtfs, 0 SDslu, 18 SDs, 0 SdLazy, 6413 SolverSat, 5668 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=5, 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 339 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 39/39 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/s3_srvr_12.cil.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-25_00-04-31-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/s3_srvr_12.cil.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-25_00-04-31-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/s3_srvr_12.cil.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-25_00-04-31-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/s3_srvr_12.cil.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_00-04-31-085.csv Completed graceful shutdown