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-0CFA03.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 18:29:37,483 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 18:29:37,485 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 18:29:37,496 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 18:29:37,496 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 18:29:37,497 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 18:29:37,498 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 18:29:37,505 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 18:29:37,506 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 18:29:37,507 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 18:29:37,508 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 18:29:37,508 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 18:29:37,509 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 18:29:37,510 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 18:29:37,511 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 18:29:37,512 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 18:29:37,512 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 18:29:37,514 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 18:29:37,516 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 18:29:37,517 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 18:29:37,518 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 18:29:37,519 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 18:29:37,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 18:29:37,521 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 18:29:37,522 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 18:29:37,522 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 18:29:37,523 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 18:29:37,524 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 18:29:37,524 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 18:29:37,525 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 18:29:37,525 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 18:29:37,526 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 18:29:37,526 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 18:29:37,526 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 18:29:37,527 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 18:29:37,528 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 18:29:37,528 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 18:29:37,541 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 18:29:37,541 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 18:29:37,541 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 18:29:37,542 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 18:29:37,542 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 18:29:37,543 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 18:29:37,543 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 18:29:37,543 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 18:29:37,543 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 18:29:37,543 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 18:29:37,543 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 18:29:37,544 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 18:29:37,544 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 18:29:37,544 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 18:29:37,544 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 18:29:37,544 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 18:29:37,545 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 18:29:37,545 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 18:29:37,545 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 18:29:37,545 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 18:29:37,545 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 18:29:37,547 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 18:29:37,547 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 18:29:37,594 INFO ]: Repository-Root is: /tmp [2018-06-26 18:29:37,607 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 18:29:37,610 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 18:29:37,610 INFO ]: Initializing SmtParser... [2018-06-26 18:29:37,611 INFO ]: SmtParser initialized [2018-06-26 18:29:37,611 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/CE-0CFA03.smt2 [2018-06-26 18:29:37,612 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 18:29:37,672 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/CE-0CFA03.smt2 unknown [2018-06-26 18:29:38,145 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/CE-0CFA03.smt2 [2018-06-26 18:29:38,159 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 18:29:38,164 INFO ]: Walking toolchain with 5 elements. [2018-06-26 18:29:38,164 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 18:29:38,164 INFO ]: Initializing ChcToBoogie... [2018-06-26 18:29:38,165 INFO ]: ChcToBoogie initialized [2018-06-26 18:29:38,182 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 06:29:38" (1/1) ... [2018-06-26 18:29:38,272 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:29:38 Unit [2018-06-26 18:29:38,272 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 18:29:38,273 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 18:29:38,273 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 18:29:38,273 INFO ]: Boogie Preprocessor initialized [2018-06-26 18:29:38,291 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:29:38" (1/1) ... [2018-06-26 18:29:38,291 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:29:38" (1/1) ... [2018-06-26 18:29:38,296 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:29:38" (1/1) ... [2018-06-26 18:29:38,296 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:29:38" (1/1) ... [2018-06-26 18:29:38,298 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:29:38" (1/1) ... [2018-06-26 18:29:38,301 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:29:38" (1/1) ... [2018-06-26 18:29:38,302 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:29:38" (1/1) ... [2018-06-26 18:29:38,304 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 18:29:38,305 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 18:29:38,305 INFO ]: Initializing RCFGBuilder... [2018-06-26 18:29:38,305 INFO ]: RCFGBuilder initialized [2018-06-26 18:29:38,306 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:29:38" (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 [2018-06-26 18:29:38,323 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 18:29:38,323 INFO ]: Found specification of procedure gotoProc [2018-06-26 18:29:38,323 INFO ]: Found implementation of procedure gotoProc [2018-06-26 18:29:38,323 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 18:29:38,323 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 18:29:38,323 INFO ]: Found implementation of procedure Ultimate.START [2018-06-26 18:29:38,798 INFO ]: Using library mode [2018-06-26 18:29:38,799 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:29:38 BoogieIcfgContainer [2018-06-26 18:29:38,799 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 18:29:38,799 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 18:29:38,799 INFO ]: Initializing BlockEncodingV2... [2018-06-26 18:29:38,800 INFO ]: BlockEncodingV2 initialized [2018-06-26 18:29:38,801 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:29:38" (1/1) ... [2018-06-26 18:29:38,822 INFO ]: Initial Icfg 26 locations, 35 edges [2018-06-26 18:29:38,824 INFO ]: Using Remove infeasible edges [2018-06-26 18:29:38,825 INFO ]: Using Maximize final states [2018-06-26 18:29:38,825 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 18:29:38,825 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 18:29:38,826 INFO ]: Using Remove sink states [2018-06-26 18:29:38,827 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 18:29:38,827 INFO ]: Using Use SBE [2018-06-26 18:29:38,833 INFO ]: SBE split 0 edges [2018-06-26 18:29:38,845 INFO ]: Removed 5 edges and 2 locations because of local infeasibility [2018-06-26 18:29:38,850 INFO ]: 0 new accepting states [2018-06-26 18:29:39,068 INFO ]: Removed 30 edges and 10 locations by large block encoding [2018-06-26 18:29:39,070 INFO ]: Removed 3 edges and 2 locations by removing sink states [2018-06-26 18:29:39,072 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 18:29:39,072 INFO ]: 0 new accepting states [2018-06-26 18:29:39,072 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 18:29:39,072 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:29:39,072 INFO ]: Encoded RCFG 12 locations, 19 edges [2018-06-26 18:29:39,075 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 06:29:39 BasicIcfg [2018-06-26 18:29:39,075 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 18:29:39,076 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 18:29:39,076 INFO ]: Initializing TraceAbstraction... [2018-06-26 18:29:39,080 INFO ]: TraceAbstraction initialized [2018-06-26 18:29:39,080 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 06:29:38" (1/4) ... [2018-06-26 18:29:39,081 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7269358e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 06:29:39, skipping insertion in model container [2018-06-26 18:29:39,081 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:29:38" (2/4) ... [2018-06-26 18:29:39,081 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7269358e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 06:29:39, skipping insertion in model container [2018-06-26 18:29:39,081 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:29:38" (3/4) ... [2018-06-26 18:29:39,082 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7269358e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 06:29:39, skipping insertion in model container [2018-06-26 18:29:39,082 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 06:29:39" (4/4) ... [2018-06-26 18:29:39,086 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 18:29:39,098 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 18:29:39,115 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 18:29:39,153 INFO ]: Using default assertion order modulation [2018-06-26 18:29:39,154 INFO ]: Interprodecural is true [2018-06-26 18:29:39,154 INFO ]: Hoare is false [2018-06-26 18:29:39,154 INFO ]: Compute interpolants for FPandBP [2018-06-26 18:29:39,154 INFO ]: Backedges is TWOTRACK [2018-06-26 18:29:39,154 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 18:29:39,154 INFO ]: Difference is false [2018-06-26 18:29:39,154 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 18:29:39,154 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 18:29:39,168 INFO ]: Start isEmpty. Operand 12 states. [2018-06-26 18:29:39,179 INFO ]: Finished isEmpty. Found accepting run of length 5 [2018-06-26 18:29:39,179 INFO ]: Found error trace [2018-06-26 18:29:39,180 INFO ]: trace histogram [1, 1, 1, 1] [2018-06-26 18:29:39,180 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:29:39,184 INFO ]: Analyzing trace with hash 1214732, now seen corresponding path program 1 times [2018-06-26 18:29:39,186 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:29:39,186 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:29:39,224 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:29:39,224 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:29:39,224 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:29:39,291 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:29:39,402 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 18:29:39,404 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 18:29:39,404 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 18:29:39,406 INFO ]: Interpolant automaton has 3 states [2018-06-26 18:29:39,421 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 18:29:39,422 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:29:39,425 INFO ]: Start difference. First operand 12 states. Second operand 3 states. [2018-06-26 18:29:39,581 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:29:39,581 INFO ]: Finished difference Result 13 states and 22 transitions. [2018-06-26 18:29:39,582 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 18:29:39,582 INFO ]: Start accepts. Automaton has 3 states. Word has length 4 [2018-06-26 18:29:39,583 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:29:39,590 INFO ]: With dead ends: 13 [2018-06-26 18:29:39,591 INFO ]: Without dead ends: 9 [2018-06-26 18:29:39,593 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 18:29:39,606 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-26 18:29:39,625 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-26 18:29:39,626 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-26 18:29:39,626 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 13 transitions. [2018-06-26 18:29:39,627 INFO ]: Start accepts. Automaton has 9 states and 13 transitions. Word has length 4 [2018-06-26 18:29:39,628 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:29:39,628 INFO ]: Abstraction has 9 states and 13 transitions. [2018-06-26 18:29:39,628 INFO ]: Interpolant automaton has 3 states. [2018-06-26 18:29:39,628 INFO ]: Start isEmpty. Operand 9 states and 13 transitions. [2018-06-26 18:29:39,629 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 18:29:39,629 INFO ]: Found error trace [2018-06-26 18:29:39,629 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 18:29:39,629 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:29:39,629 INFO ]: Analyzing trace with hash 37499209, now seen corresponding path program 1 times [2018-06-26 18:29:39,629 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:29:39,629 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:29:39,630 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:29:39,630 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:29:39,630 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:29:39,649 INFO ]: Conjunction of SSA is sat [2018-06-26 18:29:39,652 INFO ]: Counterexample might be feasible [2018-06-26 18:29:39,686 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 18:29:39,687 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 06:29:39 BasicIcfg [2018-06-26 18:29:39,687 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 18:29:39,688 INFO ]: Toolchain (without parser) took 1528.91 ms. Allocated memory was 306.7 MB in the beginning and 329.8 MB in the end (delta: 23.1 MB). Free memory was 249.1 MB in the beginning and 295.6 MB in the end (delta: -46.5 MB). Peak memory consumption was 73.9 MB. Max. memory is 3.6 GB. [2018-06-26 18:29:39,690 INFO ]: SmtParser took 0.04 ms. Allocated memory is still 306.7 MB. Free memory is still 271.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 18:29:39,699 INFO ]: ChcToBoogie took 108.30 ms. Allocated memory is still 306.7 MB. Free memory was 249.1 MB in the beginning and 245.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:29:39,699 INFO ]: Boogie Preprocessor took 30.96 ms. Allocated memory is still 306.7 MB. Free memory is still 245.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 18:29:39,700 INFO ]: RCFGBuilder took 494.13 ms. Allocated memory is still 306.7 MB. Free memory was 245.1 MB in the beginning and 229.1 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:29:39,704 INFO ]: BlockEncodingV2 took 275.86 ms. Allocated memory is still 306.7 MB. Free memory was 229.1 MB in the beginning and 209.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 3.6 GB. [2018-06-26 18:29:39,704 INFO ]: TraceAbstraction took 610.78 ms. Allocated memory was 306.7 MB in the beginning and 329.8 MB in the end (delta: 23.1 MB). Free memory was 209.2 MB in the beginning and 295.6 MB in the end (delta: -86.4 MB). Peak memory consumption was 34.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:29:39,707 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 26 locations, 35 edges - StatisticsResult: Encoded RCFG 12 locations, 19 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.04 ms. Allocated memory is still 306.7 MB. Free memory is still 271.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 108.30 ms. Allocated memory is still 306.7 MB. Free memory was 249.1 MB in the beginning and 245.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 30.96 ms. Allocated memory is still 306.7 MB. Free memory is still 245.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * RCFGBuilder took 494.13 ms. Allocated memory is still 306.7 MB. Free memory was 245.1 MB in the beginning and 229.1 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 275.86 ms. Allocated memory is still 306.7 MB. Free memory was 229.1 MB in the beginning and 209.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 3.6 GB. * TraceAbstraction took 610.78 ms. Allocated memory was 306.7 MB in the beginning and 329.8 MB in the end (delta: 23.1 MB). Free memory was 209.2 MB in the beginning and 295.6 MB in the end (delta: -86.4 MB). Peak memory consumption was 34.0 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [UNKNOWN] : assertion can be violated assertion can be violated We found a FailurePath: [L0] CALL call gotoProc(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); [L0] assume hhv_failDLRunknownCLN25_0_Int == 1 && !(0 == hbv_failDLRunknownCLN25_1_Int); [L0] hhv_omega_1032DLRunknownCLN37_0_Int, hhv_omega_1032DLRunknownCLN37_1_Int, hhv_omega_1032DLRunknownCLN37_2_Int := hbv_failDLRunknownCLN25_2_Int, hbv_failDLRunknownCLN25_3_Int, hbv_failDLRunknownCLN25_1_Int; [L0] havoc hbv_failDLRunknownCLN25_3_Int, hbv_failDLRunknownCLN25_1_Int, hbv_failDLRunknownCLN25_2_Int; [L0] RET call gotoProc(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 0 SDslu, 9 SDs, 0 SdLazy, 12 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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=12occurred 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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 incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-0CFA03.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_18-29-39-718.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-0CFA03.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_18-29-39-718.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-0CFA03.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_18-29-39-718.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-0CFA03.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_18-29-39-718.csv Received shutdown request...