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/mochi/enc-zip.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 18:20:46,501 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 18:20:46,503 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 18:20:46,518 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 18:20:46,519 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 18:20:46,520 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 18:20:46,521 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 18:20:46,525 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 18:20:46,527 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 18:20:46,529 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 18:20:46,529 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 18:20:46,530 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 18:20:46,530 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 18:20:46,531 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 18:20:46,535 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 18:20:46,535 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 18:20:46,536 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 18:20:46,550 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 18:20:46,552 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 18:20:46,553 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 18:20:46,554 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 18:20:46,555 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 18:20:46,557 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 18:20:46,558 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 18:20:46,562 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 18:20:46,563 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 18:20:46,564 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 18:20:46,565 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 18:20:46,565 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 18:20:46,566 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 18:20:46,567 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 18:20:46,570 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 18:20:46,571 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 18:20:46,571 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 18:20:46,572 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 18:20:46,572 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 18:20:46,572 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 18:20:46,596 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 18:20:46,596 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 18:20:46,596 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 18:20:46,596 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 18:20:46,597 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 18:20:46,597 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 18:20:46,598 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 18:20:46,599 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 18:20:46,599 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 18:20:46,599 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 18:20:46,600 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 18:20:46,600 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 18:20:46,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 18:20:46,600 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 18:20:46,600 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 18:20:46,600 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 18:20:46,601 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 18:20:46,601 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 18:20:46,601 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 18:20:46,601 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 18:20:46,601 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 18:20:46,603 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 18:20:46,604 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 18:20:46,645 INFO ]: Repository-Root is: /tmp [2018-06-26 18:20:46,660 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 18:20:46,666 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 18:20:46,668 INFO ]: Initializing SmtParser... [2018-06-26 18:20:46,668 INFO ]: SmtParser initialized [2018-06-26 18:20:46,668 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/mochi/enc-zip.smt2 [2018-06-26 18:20:46,670 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 18:20:46,753 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/mochi/enc-zip.smt2 unknown [2018-06-26 18:20:46,919 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/mochi/enc-zip.smt2 [2018-06-26 18:20:46,924 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 18:20:46,931 INFO ]: Walking toolchain with 5 elements. [2018-06-26 18:20:46,932 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 18:20:46,932 INFO ]: Initializing ChcToBoogie... [2018-06-26 18:20:46,932 INFO ]: ChcToBoogie initialized [2018-06-26 18:20:46,937 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 06:20:46" (1/1) ... [2018-06-26 18:20:46,990 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:20:46 Unit [2018-06-26 18:20:46,990 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 18:20:46,991 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 18:20:46,991 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 18:20:46,991 INFO ]: Boogie Preprocessor initialized [2018-06-26 18:20:47,016 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:20:46" (1/1) ... [2018-06-26 18:20:47,016 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:20:46" (1/1) ... [2018-06-26 18:20:47,022 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:20:46" (1/1) ... [2018-06-26 18:20:47,022 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:20:46" (1/1) ... [2018-06-26 18:20:47,027 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:20:46" (1/1) ... [2018-06-26 18:20:47,030 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:20:46" (1/1) ... [2018-06-26 18:20:47,030 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:20:46" (1/1) ... [2018-06-26 18:20:47,032 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 18:20:47,032 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 18:20:47,032 INFO ]: Initializing RCFGBuilder... [2018-06-26 18:20:47,032 INFO ]: RCFGBuilder initialized [2018-06-26 18:20:47,034 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:20:46" (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 18:20:47,048 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 18:20:47,048 INFO ]: Found specification of procedure gotoProc [2018-06-26 18:20:47,048 INFO ]: Found implementation of procedure gotoProc [2018-06-26 18:20:47,048 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 18:20:47,048 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 18:20:47,048 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 18:20:47,249 INFO ]: Using library mode [2018-06-26 18:20:47,250 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:20:47 BoogieIcfgContainer [2018-06-26 18:20:47,250 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 18:20:47,256 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 18:20:47,256 INFO ]: Initializing BlockEncodingV2... [2018-06-26 18:20:47,257 INFO ]: BlockEncodingV2 initialized [2018-06-26 18:20:47,258 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:20:47" (1/1) ... [2018-06-26 18:20:47,277 INFO ]: Initial Icfg 14 locations, 20 edges [2018-06-26 18:20:47,279 INFO ]: Using Remove infeasible edges [2018-06-26 18:20:47,279 INFO ]: Using Maximize final states [2018-06-26 18:20:47,280 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 18:20:47,281 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 18:20:47,283 INFO ]: Using Remove sink states [2018-06-26 18:20:47,283 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 18:20:47,283 INFO ]: Using Use SBE [2018-06-26 18:20:47,292 INFO ]: SBE split 0 edges [2018-06-26 18:20:47,299 INFO ]: Removed 3 edges and 2 locations because of local infeasibility [2018-06-26 18:20:47,302 INFO ]: 0 new accepting states [2018-06-26 18:20:47,411 INFO ]: Removed 14 edges and 4 locations by large block encoding [2018-06-26 18:20:47,413 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:20:47,415 INFO ]: Removed 1 edges and 0 locations because of local infeasibility [2018-06-26 18:20:47,415 INFO ]: 0 new accepting states [2018-06-26 18:20:47,415 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 18:20:47,415 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:20:47,415 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 18:20:47,415 INFO ]: 0 new accepting states [2018-06-26 18:20:47,416 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 18:20:47,416 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:20:47,416 INFO ]: Encoded RCFG 8 locations, 13 edges [2018-06-26 18:20:47,416 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 06:20:47 BasicIcfg [2018-06-26 18:20:47,417 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 18:20:47,418 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 18:20:47,418 INFO ]: Initializing TraceAbstraction... [2018-06-26 18:20:47,421 INFO ]: TraceAbstraction initialized [2018-06-26 18:20:47,421 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 06:20:46" (1/4) ... [2018-06-26 18:20:47,422 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7166e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 06:20:47, skipping insertion in model container [2018-06-26 18:20:47,422 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:20:46" (2/4) ... [2018-06-26 18:20:47,423 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7166e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 06:20:47, skipping insertion in model container [2018-06-26 18:20:47,423 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:20:47" (3/4) ... [2018-06-26 18:20:47,423 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7166e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 06:20:47, skipping insertion in model container [2018-06-26 18:20:47,423 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 06:20:47" (4/4) ... [2018-06-26 18:20:47,425 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 18:20:47,436 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 18:20:47,454 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 18:20:47,489 INFO ]: Using default assertion order modulation [2018-06-26 18:20:47,490 INFO ]: Interprodecural is true [2018-06-26 18:20:47,490 INFO ]: Hoare is false [2018-06-26 18:20:47,490 INFO ]: Compute interpolants for FPandBP [2018-06-26 18:20:47,490 INFO ]: Backedges is TWOTRACK [2018-06-26 18:20:47,490 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 18:20:47,490 INFO ]: Difference is false [2018-06-26 18:20:47,490 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 18:20:47,490 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 18:20:47,500 INFO ]: Start isEmpty. Operand 8 states. [2018-06-26 18:20:47,509 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 18:20:47,509 INFO ]: Found error trace [2018-06-26 18:20:47,510 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 18:20:47,510 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:20:47,515 INFO ]: Analyzing trace with hash 35778634, now seen corresponding path program 1 times [2018-06-26 18:20:47,517 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:20:47,518 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:20:47,550 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:20:47,550 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:20:47,550 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:20:47,585 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:20:47,658 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 18:20:47,660 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 18:20:47,660 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 18:20:47,661 INFO ]: Interpolant automaton has 3 states [2018-06-26 18:20:47,673 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 18:20:47,673 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:20:47,675 INFO ]: Start difference. First operand 8 states. Second operand 3 states. [2018-06-26 18:20:47,834 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:20:47,834 INFO ]: Finished difference Result 13 states and 23 transitions. [2018-06-26 18:20:47,835 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 18:20:47,836 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 18:20:47,836 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:20:47,844 INFO ]: With dead ends: 13 [2018-06-26 18:20:47,844 INFO ]: Without dead ends: 13 [2018-06-26 18:20:47,845 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 18:20:47,857 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-26 18:20:47,876 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-26 18:20:47,877 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-26 18:20:47,878 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 23 transitions. [2018-06-26 18:20:47,879 INFO ]: Start accepts. Automaton has 13 states and 23 transitions. Word has length 5 [2018-06-26 18:20:47,880 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:20:47,880 INFO ]: Abstraction has 13 states and 23 transitions. [2018-06-26 18:20:47,880 INFO ]: Interpolant automaton has 3 states. [2018-06-26 18:20:47,880 INFO ]: Start isEmpty. Operand 13 states and 23 transitions. [2018-06-26 18:20:47,881 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 18:20:47,881 INFO ]: Found error trace [2018-06-26 18:20:47,881 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 18:20:47,881 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:20:47,882 INFO ]: Analyzing trace with hash 35897798, now seen corresponding path program 1 times [2018-06-26 18:20:47,882 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:20:47,882 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:20:47,883 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:20:47,883 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:20:47,883 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:20:47,894 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:20:47,987 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 18:20:47,987 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 18:20:47,987 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 18:20:47,989 INFO ]: Interpolant automaton has 3 states [2018-06-26 18:20:47,989 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 18:20:47,989 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:20:47,989 INFO ]: Start difference. First operand 13 states and 23 transitions. Second operand 3 states. [2018-06-26 18:20:48,014 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:20:48,014 INFO ]: Finished difference Result 15 states and 25 transitions. [2018-06-26 18:20:48,015 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 18:20:48,015 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 18:20:48,015 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:20:48,016 INFO ]: With dead ends: 15 [2018-06-26 18:20:48,016 INFO ]: Without dead ends: 15 [2018-06-26 18:20:48,016 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 18:20:48,016 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-26 18:20:48,019 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-06-26 18:20:48,019 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-26 18:20:48,020 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 25 transitions. [2018-06-26 18:20:48,020 INFO ]: Start accepts. Automaton has 15 states and 25 transitions. Word has length 5 [2018-06-26 18:20:48,020 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:20:48,020 INFO ]: Abstraction has 15 states and 25 transitions. [2018-06-26 18:20:48,020 INFO ]: Interpolant automaton has 3 states. [2018-06-26 18:20:48,020 INFO ]: Start isEmpty. Operand 15 states and 25 transitions. [2018-06-26 18:20:48,020 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 18:20:48,020 INFO ]: Found error trace [2018-06-26 18:20:48,020 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 18:20:48,020 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:20:48,021 INFO ]: Analyzing trace with hash 35927589, now seen corresponding path program 1 times [2018-06-26 18:20:48,021 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:20:48,021 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:20:48,021 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:20:48,021 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:20:48,021 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:20:48,027 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:20:48,069 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 18:20:48,069 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 18:20:48,069 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 18:20:48,069 INFO ]: Interpolant automaton has 3 states [2018-06-26 18:20:48,069 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 18:20:48,069 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:20:48,069 INFO ]: Start difference. First operand 15 states and 25 transitions. Second operand 3 states. [2018-06-26 18:20:48,083 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:20:48,083 INFO ]: Finished difference Result 17 states and 27 transitions. [2018-06-26 18:20:48,084 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 18:20:48,084 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 18:20:48,084 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:20:48,085 INFO ]: With dead ends: 17 [2018-06-26 18:20:48,085 INFO ]: Without dead ends: 13 [2018-06-26 18:20:48,085 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 18:20:48,085 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-26 18:20:48,087 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-26 18:20:48,087 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-26 18:20:48,088 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2018-06-26 18:20:48,088 INFO ]: Start accepts. Automaton has 13 states and 19 transitions. Word has length 5 [2018-06-26 18:20:48,088 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:20:48,088 INFO ]: Abstraction has 13 states and 19 transitions. [2018-06-26 18:20:48,088 INFO ]: Interpolant automaton has 3 states. [2018-06-26 18:20:48,088 INFO ]: Start isEmpty. Operand 13 states and 19 transitions. [2018-06-26 18:20:48,088 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-26 18:20:48,088 INFO ]: Found error trace [2018-06-26 18:20:48,089 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 18:20:48,089 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:20:48,089 INFO ]: Analyzing trace with hash 1227727074, now seen corresponding path program 1 times [2018-06-26 18:20:48,089 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:20:48,089 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:20:48,090 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:20:48,090 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:20:48,090 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:20:48,105 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:20:48,365 WARN ]: Spent 196.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-06-26 18:20:48,523 WARN ]: Spent 152.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-06-26 18:20:48,535 INFO ]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 18:20:48,535 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 18:20:48,535 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-26 18:20:48,535 INFO ]: Interpolant automaton has 5 states [2018-06-26 18:20:48,535 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-26 18:20:48,535 INFO ]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-06-26 18:20:48,535 INFO ]: Start difference. First operand 13 states and 19 transitions. Second operand 5 states. [2018-06-26 18:20:48,736 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:20:48,736 INFO ]: Finished difference Result 17 states and 24 transitions. [2018-06-26 18:20:48,736 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-26 18:20:48,736 INFO ]: Start accepts. Automaton has 5 states. Word has length 10 [2018-06-26 18:20:48,737 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:20:48,738 INFO ]: With dead ends: 17 [2018-06-26 18:20:48,738 INFO ]: Without dead ends: 17 [2018-06-26 18:20:48,739 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-06-26 18:20:48,739 INFO ]: Start minimizeSevpa. Operand 17 states. [2018-06-26 18:20:48,742 INFO ]: Finished minimizeSevpa. Reduced states from 17 to 16. [2018-06-26 18:20:48,742 INFO ]: Start removeUnreachable. Operand 16 states. [2018-06-26 18:20:48,742 INFO ]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2018-06-26 18:20:48,742 INFO ]: Start accepts. Automaton has 16 states and 23 transitions. Word has length 10 [2018-06-26 18:20:48,743 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:20:48,743 INFO ]: Abstraction has 16 states and 23 transitions. [2018-06-26 18:20:48,743 INFO ]: Interpolant automaton has 5 states. [2018-06-26 18:20:48,743 INFO ]: Start isEmpty. Operand 16 states and 23 transitions. [2018-06-26 18:20:48,743 INFO ]: Finished isEmpty. Found accepting run of length 16 [2018-06-26 18:20:48,743 INFO ]: Found error trace [2018-06-26 18:20:48,743 INFO ]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2018-06-26 18:20:48,743 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:20:48,744 INFO ]: Analyzing trace with hash -1305399351, now seen corresponding path program 1 times [2018-06-26 18:20:48,744 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:20:48,744 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:20:48,744 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:20:48,744 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:20:48,744 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:20:48,766 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:20:49,002 WARN ]: Spent 118.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2018-06-26 18:20:49,072 INFO ]: Checked inductivity of 11 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-26 18:20:49,072 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 18:20:49,072 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-26 18:20:49,081 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:20:49,108 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:20:49,114 INFO ]: Computing forward predicates... [2018-06-26 18:20:49,209 INFO ]: Checked inductivity of 11 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-26 18:20:49,230 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-26 18:20:49,230 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2018-06-26 18:20:49,230 INFO ]: Interpolant automaton has 11 states [2018-06-26 18:20:49,230 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-26 18:20:49,231 INFO ]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-06-26 18:20:49,231 INFO ]: Start difference. First operand 16 states and 23 transitions. Second operand 11 states. [2018-06-26 18:20:49,573 WARN ]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-06-26 18:20:49,733 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:20:49,733 INFO ]: Finished difference Result 14 states and 20 transitions. [2018-06-26 18:20:49,733 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-06-26 18:20:49,733 INFO ]: Start accepts. Automaton has 11 states. Word has length 15 [2018-06-26 18:20:49,733 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:20:49,733 INFO ]: With dead ends: 14 [2018-06-26 18:20:49,733 INFO ]: Without dead ends: 0 [2018-06-26 18:20:49,734 INFO ]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-06-26 18:20:49,734 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-26 18:20:49,734 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-26 18:20:49,734 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-26 18:20:49,734 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-26 18:20:49,734 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-06-26 18:20:49,734 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:20:49,734 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-26 18:20:49,734 INFO ]: Interpolant automaton has 11 states. [2018-06-26 18:20:49,735 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-26 18:20:49,735 INFO ]: Finished isEmpty. No accepting run. [2018-06-26 18:20:49,737 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 18:20:49,738 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 06:20:49 BasicIcfg [2018-06-26 18:20:49,738 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 18:20:49,739 INFO ]: Toolchain (without parser) took 2814.06 ms. Allocated memory was 309.3 MB in the beginning and 327.7 MB in the end (delta: 18.4 MB). Free memory was 265.7 MB in the beginning and 259.5 MB in the end (delta: 6.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 3.6 GB. [2018-06-26 18:20:49,740 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 18:20:49,740 INFO ]: ChcToBoogie took 58.68 ms. Allocated memory is still 309.3 MB. Free memory was 263.7 MB in the beginning and 261.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:20:49,741 INFO ]: Boogie Preprocessor took 40.67 ms. Allocated memory is still 309.3 MB. Free memory is still 261.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 18:20:49,741 INFO ]: RCFGBuilder took 217.49 ms. Allocated memory is still 309.3 MB. Free memory was 261.7 MB in the beginning and 251.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:20:49,742 INFO ]: BlockEncodingV2 took 160.47 ms. Allocated memory is still 309.3 MB. Free memory was 251.7 MB in the beginning and 247.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:20:49,742 INFO ]: TraceAbstraction took 2320.18 ms. Allocated memory was 309.3 MB in the beginning and 327.7 MB in the end (delta: 18.4 MB). Free memory was 247.7 MB in the beginning and 259.5 MB in the end (delta: -11.8 MB). Peak memory consumption was 6.5 MB. Max. memory is 3.6 GB. [2018-06-26 18:20:49,746 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 14 locations, 20 edges - StatisticsResult: Encoded RCFG 8 locations, 13 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 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 58.68 ms. Allocated memory is still 309.3 MB. Free memory was 263.7 MB in the beginning and 261.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 40.67 ms. Allocated memory is still 309.3 MB. Free memory is still 261.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * RCFGBuilder took 217.49 ms. Allocated memory is still 309.3 MB. Free memory was 261.7 MB in the beginning and 251.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 160.47 ms. Allocated memory is still 309.3 MB. Free memory was 251.7 MB in the beginning and 247.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 2320.18 ms. Allocated memory was 309.3 MB in the beginning and 327.7 MB in the end (delta: 18.4 MB). Free memory was 247.7 MB in the beginning and 259.5 MB in the end (delta: -11.8 MB). Peak memory consumption was 6.5 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, 8 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 58 SDtfs, 19 SDslu, 49 SDs, 0 SdLazy, 87 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 2843 SizeOfPredicates, 10 NumberOfNonLiveVariables, 116 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 19/25 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/enc-zip.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_18-20-49-758.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/enc-zip.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_18-20-49-758.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/enc-zip.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_18-20-49-758.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/enc-zip.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_18-20-49-758.csv Received shutdown request...