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/hopv/lia/termination/CE-1CFA01.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-24 21:27:14,254 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-24 21:27:14,256 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-24 21:27:14,269 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-24 21:27:14,269 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-24 21:27:14,270 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-24 21:27:14,271 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-24 21:27:14,273 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-24 21:27:14,275 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-24 21:27:14,276 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-24 21:27:14,277 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-24 21:27:14,277 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-24 21:27:14,278 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-24 21:27:14,279 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-24 21:27:14,280 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-24 21:27:14,280 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-24 21:27:14,282 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-24 21:27:14,284 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-24 21:27:14,286 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-24 21:27:14,287 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-24 21:27:14,288 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-24 21:27:14,291 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-24 21:27:14,291 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-24 21:27:14,291 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-24 21:27:14,292 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-24 21:27:14,293 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-24 21:27:14,294 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-24 21:27:14,295 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-24 21:27:14,296 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-24 21:27:14,297 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-24 21:27:14,297 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-24 21:27:14,298 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-24 21:27:14,298 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-24 21:27:14,299 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-24 21:27:14,300 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-24 21:27:14,300 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-24 21:27:14,321 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-24 21:27:14,321 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-24 21:27:14,321 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-24 21:27:14,322 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-24 21:27:14,323 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-24 21:27:14,323 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-24 21:27:14,323 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-24 21:27:14,323 INFO L133 SettingsManager]: * Use SBE=true [2018-06-24 21:27:14,324 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-24 21:27:14,324 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-24 21:27:14,324 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-24 21:27:14,324 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-24 21:27:14,324 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 21:27:14,324 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-24 21:27:14,325 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-24 21:27:14,325 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-24 21:27:14,325 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-24 21:27:14,325 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-24 21:27:14,325 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-24 21:27:14,325 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-24 21:27:14,326 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-24 21:27:14,328 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-24 21:27:14,328 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-24 21:27:14,364 INFO ]: Repository-Root is: /tmp [2018-06-24 21:27:14,383 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-24 21:27:14,387 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-24 21:27:14,389 INFO ]: Initializing SmtParser... [2018-06-24 21:27:14,389 INFO ]: SmtParser initialized [2018-06-24 21:27:14,390 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/CE-1CFA01.smt2 [2018-06-24 21:27:14,391 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 [2018-06-24 21:27:14,479 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/CE-1CFA01.smt2 unknown [2018-06-24 21:27:15,104 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/CE-1CFA01.smt2 [2018-06-24 21:27:15,109 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-24 21:27:15,114 INFO ]: Walking toolchain with 5 elements. [2018-06-24 21:27:15,114 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-24 21:27:15,114 INFO ]: Initializing ChcToBoogie... [2018-06-24 21:27:15,115 INFO ]: ChcToBoogie initialized [2018-06-24 21:27:15,117 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:27:15" (1/1) ... [2018-06-24 21:27:15,223 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:15 Unit [2018-06-24 21:27:15,223 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-24 21:27:15,224 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-24 21:27:15,224 INFO ]: Initializing Boogie Preprocessor... [2018-06-24 21:27:15,224 INFO ]: Boogie Preprocessor initialized [2018-06-24 21:27:15,246 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:15" (1/1) ... [2018-06-24 21:27:15,246 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:15" (1/1) ... [2018-06-24 21:27:15,254 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:15" (1/1) ... [2018-06-24 21:27:15,255 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:15" (1/1) ... [2018-06-24 21:27:15,268 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:15" (1/1) ... [2018-06-24 21:27:15,270 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:15" (1/1) ... [2018-06-24 21:27:15,276 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:15" (1/1) ... [2018-06-24 21:27:15,279 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-24 21:27:15,279 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-24 21:27:15,279 INFO ]: Initializing RCFGBuilder... [2018-06-24 21:27:15,279 INFO ]: RCFGBuilder initialized [2018-06-24 21:27:15,280 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:15" (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) [2018-06-24 21:27:15,289 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-24 21:27:15,290 INFO ]: Found specification of procedure gotoProc [2018-06-24 21:27:15,290 INFO ]: Found implementation of procedure gotoProc [2018-06-24 21:27:15,290 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-24 21:27:15,290 INFO ]: Found specification of procedure Ultimate.START [2018-06-24 21:27:15,290 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 [2018-06-24 21:27:15,717 INFO ]: Using library mode [2018-06-24 21:27:15,718 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:27:15 BoogieIcfgContainer [2018-06-24 21:27:15,718 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-24 21:27:15,718 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-24 21:27:15,718 INFO ]: Initializing BlockEncodingV2... [2018-06-24 21:27:15,721 INFO ]: BlockEncodingV2 initialized [2018-06-24 21:27:15,722 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:27:15" (1/1) ... [2018-06-24 21:27:15,738 INFO ]: Initial Icfg 16 locations, 20 edges [2018-06-24 21:27:15,739 INFO ]: Using Remove infeasible edges [2018-06-24 21:27:15,740 INFO ]: Using Maximize final states [2018-06-24 21:27:15,740 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-24 21:27:15,741 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-24 21:27:15,745 INFO ]: Using Remove sink states [2018-06-24 21:27:15,745 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-24 21:27:15,745 INFO ]: Using Use SBE [2018-06-24 21:27:15,756 INFO ]: SBE split 0 edges [2018-06-24 21:27:15,761 INFO ]: Removed 4 edges and 2 locations because of local infeasibility [2018-06-24 21:27:15,765 INFO ]: 0 new accepting states [2018-06-24 21:27:16,068 INFO ]: Removed 19 edges and 7 locations by large block encoding [2018-06-24 21:27:16,070 INFO ]: Removed 2 edges and 1 locations by removing sink states [2018-06-24 21:27:16,075 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-24 21:27:16,075 INFO ]: 0 new accepting states [2018-06-24 21:27:16,076 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 21:27:16,076 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:27:16,076 INFO ]: Encoded RCFG 6 locations, 8 edges [2018-06-24 21:27:16,076 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:27:16 BasicIcfg [2018-06-24 21:27:16,076 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-24 21:27:16,081 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-24 21:27:16,081 INFO ]: Initializing TraceAbstraction... [2018-06-24 21:27:16,086 INFO ]: TraceAbstraction initialized [2018-06-24 21:27:16,087 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:27:15" (1/4) ... [2018-06-24 21:27:16,087 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129cff59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 24.06 09:27:16, skipping insertion in model container [2018-06-24 21:27:16,088 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:15" (2/4) ... [2018-06-24 21:27:16,088 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129cff59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 09:27:16, skipping insertion in model container [2018-06-24 21:27:16,088 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:27:15" (3/4) ... [2018-06-24 21:27:16,088 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129cff59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:27:16, skipping insertion in model container [2018-06-24 21:27:16,088 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:27:16" (4/4) ... [2018-06-24 21:27:16,092 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-24 21:27:16,111 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-24 21:27:16,122 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-24 21:27:16,164 INFO ]: Using default assertion order modulation [2018-06-24 21:27:16,165 INFO ]: Interprodecural is true [2018-06-24 21:27:16,165 INFO ]: Hoare is false [2018-06-24 21:27:16,165 INFO ]: Compute interpolants for FPandBP [2018-06-24 21:27:16,165 INFO ]: Backedges is TWOTRACK [2018-06-24 21:27:16,165 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-24 21:27:16,165 INFO ]: Difference is false [2018-06-24 21:27:16,165 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-24 21:27:16,165 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-24 21:27:16,176 INFO ]: Start isEmpty. Operand 6 states. [2018-06-24 21:27:16,184 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-24 21:27:16,185 INFO ]: Found error trace [2018-06-24 21:27:16,185 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-24 21:27:16,186 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:27:16,191 INFO ]: Analyzing trace with hash 33069576, now seen corresponding path program 1 times [2018-06-24 21:27:16,193 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:27:16,193 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:27:16,226 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:27:16,226 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:27:16,226 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:27:16,315 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:27:16,431 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:27:16,433 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:27:16,434 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 21:27:16,435 INFO ]: Interpolant automaton has 3 states [2018-06-24 21:27:16,452 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 21:27:16,452 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:27:16,455 INFO ]: Start difference. First operand 6 states. Second operand 3 states. [2018-06-24 21:27:16,556 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:27:16,556 INFO ]: Finished difference Result 3 states and 4 transitions. [2018-06-24 21:27:16,559 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 21:27:16,560 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-24 21:27:16,561 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:27:16,569 INFO ]: With dead ends: 3 [2018-06-24 21:27:16,569 INFO ]: Without dead ends: 0 [2018-06-24 21:27:16,571 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 [2018-06-24 21:27:16,592 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-24 21:27:16,598 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-24 21:27:16,599 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-24 21:27:16,599 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-24 21:27:16,600 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2018-06-24 21:27:16,600 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:27:16,600 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-24 21:27:16,600 INFO ]: Interpolant automaton has 3 states. [2018-06-24 21:27:16,601 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-24 21:27:16,601 INFO ]: Finished isEmpty. No accepting run. [2018-06-24 21:27:16,603 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-24 21:27:16,606 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:27:16 BasicIcfg [2018-06-24 21:27:16,606 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-24 21:27:16,607 INFO ]: Toolchain (without parser) took 1497.61 ms. Allocated memory was 309.3 MB in the beginning and 325.1 MB in the end (delta: 15.7 MB). Free memory was 235.8 MB in the beginning and 267.9 MB in the end (delta: -32.2 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:27:16,609 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. [2018-06-24 21:27:16,609 INFO ]: ChcToBoogie took 109.04 ms. Allocated memory is still 309.3 MB. Free memory was 235.8 MB in the beginning and 232.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:27:16,610 INFO ]: Boogie Preprocessor took 55.04 ms. Allocated memory is still 309.3 MB. Free memory was 232.8 MB in the beginning and 228.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:27:16,611 INFO ]: RCFGBuilder took 438.63 ms. Allocated memory is still 309.3 MB. Free memory was 228.8 MB in the beginning and 207.7 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 3.6 GB. [2018-06-24 21:27:16,611 INFO ]: BlockEncodingV2 took 358.09 ms. Allocated memory was 309.3 MB in the beginning and 325.1 MB in the end (delta: 15.7 MB). Free memory was 207.7 MB in the beginning and 287.7 MB in the end (delta: -80.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:27:16,616 INFO ]: TraceAbstraction took 525.09 ms. Allocated memory is still 325.1 MB. Free memory was 287.7 MB in the beginning and 267.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 3.6 GB. [2018-06-24 21:27:16,619 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 16 locations, 20 edges - StatisticsResult: Encoded RCFG 6 locations, 8 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 109.04 ms. Allocated memory is still 309.3 MB. Free memory was 235.8 MB in the beginning and 232.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 55.04 ms. Allocated memory is still 309.3 MB. Free memory was 232.8 MB in the beginning and 228.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 438.63 ms. Allocated memory is still 309.3 MB. Free memory was 228.8 MB in the beginning and 207.7 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 358.09 ms. Allocated memory was 309.3 MB in the beginning and 325.1 MB in the end (delta: 15.7 MB). Free memory was 207.7 MB in the beginning and 287.7 MB in the end (delta: -80.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 525.09 ms. Allocated memory is still 325.1 MB. Free memory was 287.7 MB in the beginning and 267.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 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, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 2 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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/CE-1CFA01.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-24_21-27-16-631.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-1CFA01.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-24_21-27-16-631.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-1CFA01.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-24_21-27-16-631.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-1CFA01.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-24_21-27-16-631.csv Received shutdown request...