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-1CFA09.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 18:30:08,277 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 18:30:08,282 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 18:30:08,297 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 18:30:08,297 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 18:30:08,298 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 18:30:08,299 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 18:30:08,302 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 18:30:08,304 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 18:30:08,304 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 18:30:08,306 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 18:30:08,306 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 18:30:08,307 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 18:30:08,308 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 18:30:08,311 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 18:30:08,312 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 18:30:08,313 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 18:30:08,315 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 18:30:08,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 18:30:08,328 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 18:30:08,329 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 18:30:08,330 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 18:30:08,332 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 18:30:08,332 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 18:30:08,333 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 18:30:08,333 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 18:30:08,339 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 18:30:08,340 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 18:30:08,340 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 18:30:08,341 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 18:30:08,341 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 18:30:08,342 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 18:30:08,342 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 18:30:08,342 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 18:30:08,343 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 18:30:08,343 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 18:30:08,348 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 18:30:08,367 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 18:30:08,367 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 18:30:08,368 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 18:30:08,368 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 18:30:08,369 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 18:30:08,371 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 18:30:08,371 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 18:30:08,371 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 18:30:08,372 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 18:30:08,372 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 18:30:08,372 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 18:30:08,372 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 18:30:08,372 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 18:30:08,372 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 18:30:08,373 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 18:30:08,373 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 18:30:08,373 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 18:30:08,373 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 18:30:08,373 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 18:30:08,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 18:30:08,373 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 18:30:08,376 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 18:30:08,377 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 18:30:08,422 INFO ]: Repository-Root is: /tmp [2018-06-26 18:30:08,439 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 18:30:08,443 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 18:30:08,445 INFO ]: Initializing SmtParser... [2018-06-26 18:30:08,445 INFO ]: SmtParser initialized [2018-06-26 18:30:08,446 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/CE-1CFA09.smt2 [2018-06-26 18:30:08,447 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 18:30:08,537 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/CE-1CFA09.smt2 unknown [2018-06-26 18:30:09,391 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/CE-1CFA09.smt2 [2018-06-26 18:30:09,396 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 18:30:09,406 INFO ]: Walking toolchain with 5 elements. [2018-06-26 18:30:09,407 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 18:30:09,407 INFO ]: Initializing ChcToBoogie... [2018-06-26 18:30:09,407 INFO ]: ChcToBoogie initialized [2018-06-26 18:30:09,411 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 06:30:09" (1/1) ... [2018-06-26 18:30:09,476 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:30:09 Unit [2018-06-26 18:30:09,476 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 18:30:09,477 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 18:30:09,477 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 18:30:09,477 INFO ]: Boogie Preprocessor initialized [2018-06-26 18:30:09,498 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:30:09" (1/1) ... [2018-06-26 18:30:09,498 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:30:09" (1/1) ... [2018-06-26 18:30:09,505 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:30:09" (1/1) ... [2018-06-26 18:30:09,505 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:30:09" (1/1) ... [2018-06-26 18:30:09,514 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:30:09" (1/1) ... [2018-06-26 18:30:09,516 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:30:09" (1/1) ... [2018-06-26 18:30:09,519 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:30:09" (1/1) ... [2018-06-26 18:30:09,523 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 18:30:09,523 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 18:30:09,523 INFO ]: Initializing RCFGBuilder... [2018-06-26 18:30:09,523 INFO ]: RCFGBuilder initialized [2018-06-26 18:30:09,524 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:30:09" (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 18:30:09,538 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 18:30:09,538 INFO ]: Found specification of procedure gotoProc [2018-06-26 18:30:09,538 INFO ]: Found implementation of procedure gotoProc [2018-06-26 18:30:09,538 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 18:30:09,538 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 18:30:09,538 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 18:30:10,148 INFO ]: Using library mode [2018-06-26 18:30:10,149 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:30:10 BoogieIcfgContainer [2018-06-26 18:30:10,149 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 18:30:10,149 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 18:30:10,149 INFO ]: Initializing BlockEncodingV2... [2018-06-26 18:30:10,150 INFO ]: BlockEncodingV2 initialized [2018-06-26 18:30:10,151 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:30:10" (1/1) ... [2018-06-26 18:30:10,171 INFO ]: Initial Icfg 23 locations, 32 edges [2018-06-26 18:30:10,173 INFO ]: Using Remove infeasible edges [2018-06-26 18:30:10,173 INFO ]: Using Maximize final states [2018-06-26 18:30:10,174 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 18:30:10,174 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 18:30:10,175 INFO ]: Using Remove sink states [2018-06-26 18:30:10,176 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 18:30:10,176 INFO ]: Using Use SBE [2018-06-26 18:30:10,184 INFO ]: SBE split 0 edges [2018-06-26 18:30:10,189 INFO ]: Removed 5 edges and 2 locations because of local infeasibility [2018-06-26 18:30:10,190 INFO ]: 0 new accepting states [2018-06-26 18:30:10,685 INFO ]: Removed 33 edges and 9 locations by large block encoding [2018-06-26 18:30:10,687 INFO ]: Removed 3 edges and 2 locations by removing sink states [2018-06-26 18:30:10,688 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 18:30:10,688 INFO ]: 0 new accepting states [2018-06-26 18:30:10,689 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 18:30:10,690 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:30:10,690 INFO ]: Encoded RCFG 10 locations, 15 edges [2018-06-26 18:30:10,690 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 06:30:10 BasicIcfg [2018-06-26 18:30:10,690 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 18:30:10,692 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 18:30:10,692 INFO ]: Initializing TraceAbstraction... [2018-06-26 18:30:10,697 INFO ]: TraceAbstraction initialized [2018-06-26 18:30:10,697 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 06:30:09" (1/4) ... [2018-06-26 18:30:10,698 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5a308e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 06:30:10, skipping insertion in model container [2018-06-26 18:30:10,698 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:30:09" (2/4) ... [2018-06-26 18:30:10,698 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5a308e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 06:30:10, skipping insertion in model container [2018-06-26 18:30:10,698 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:30:10" (3/4) ... [2018-06-26 18:30:10,699 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5a308e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 06:30:10, skipping insertion in model container [2018-06-26 18:30:10,699 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 06:30:10" (4/4) ... [2018-06-26 18:30:10,703 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 18:30:10,714 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 18:30:10,731 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 18:30:10,771 INFO ]: Using default assertion order modulation [2018-06-26 18:30:10,772 INFO ]: Interprodecural is true [2018-06-26 18:30:10,772 INFO ]: Hoare is false [2018-06-26 18:30:10,772 INFO ]: Compute interpolants for FPandBP [2018-06-26 18:30:10,772 INFO ]: Backedges is TWOTRACK [2018-06-26 18:30:10,772 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 18:30:10,772 INFO ]: Difference is false [2018-06-26 18:30:10,772 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 18:30:10,772 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 18:30:10,784 INFO ]: Start isEmpty. Operand 10 states. [2018-06-26 18:30:10,806 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 18:30:10,806 INFO ]: Found error trace [2018-06-26 18:30:10,807 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 18:30:10,807 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:30:10,812 INFO ]: Analyzing trace with hash 41135569, now seen corresponding path program 1 times [2018-06-26 18:30:10,814 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:30:10,814 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:30:10,848 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:30:10,848 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:30:10,848 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:30:10,938 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:30:11,123 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 18:30:11,126 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 18:30:11,126 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 18:30:11,128 INFO ]: Interpolant automaton has 3 states [2018-06-26 18:30:11,143 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 18:30:11,144 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:30:11,146 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-26 18:30:11,309 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:30:11,309 INFO ]: Finished difference Result 11 states and 18 transitions. [2018-06-26 18:30:11,310 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 18:30:11,311 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 18:30:11,311 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:30:11,323 INFO ]: With dead ends: 11 [2018-06-26 18:30:11,323 INFO ]: Without dead ends: 10 [2018-06-26 18:30:11,327 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:30:11,343 INFO ]: Start minimizeSevpa. Operand 10 states. [2018-06-26 18:30:11,361 INFO ]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-06-26 18:30:11,362 INFO ]: Start removeUnreachable. Operand 10 states. [2018-06-26 18:30:11,363 INFO ]: Finished removeUnreachable. Reduced from 10 states to 10 states and 16 transitions. [2018-06-26 18:30:11,364 INFO ]: Start accepts. Automaton has 10 states and 16 transitions. Word has length 5 [2018-06-26 18:30:11,364 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:30:11,364 INFO ]: Abstraction has 10 states and 16 transitions. [2018-06-26 18:30:11,364 INFO ]: Interpolant automaton has 3 states. [2018-06-26 18:30:11,364 INFO ]: Start isEmpty. Operand 10 states and 16 transitions. [2018-06-26 18:30:11,365 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-26 18:30:11,365 INFO ]: Found error trace [2018-06-26 18:30:11,365 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-26 18:30:11,366 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:30:11,366 INFO ]: Analyzing trace with hash 1275138371, now seen corresponding path program 1 times [2018-06-26 18:30:11,366 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:30:11,366 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:30:11,367 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:30:11,367 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:30:11,367 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:30:11,419 INFO ]: Conjunction of SSA is sat [2018-06-26 18:30:11,426 INFO ]: Counterexample might be feasible [2018-06-26 18:30:11,439 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 18:30:11,441 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 06:30:11 BasicIcfg [2018-06-26 18:30:11,441 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 18:30:11,442 INFO ]: Toolchain (without parser) took 2044.84 ms. Allocated memory was 309.9 MB in the beginning and 324.0 MB in the end (delta: 14.2 MB). Free memory was 213.3 MB in the beginning and 201.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 3.6 GB. [2018-06-26 18:30:11,443 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 309.9 MB. Free memory is still 275.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 18:30:11,443 INFO ]: ChcToBoogie took 69.66 ms. Allocated memory is still 309.9 MB. Free memory was 213.3 MB in the beginning and 210.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:30:11,448 INFO ]: Boogie Preprocessor took 45.87 ms. Allocated memory is still 309.9 MB. Free memory was 210.4 MB in the beginning and 208.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:30:11,448 INFO ]: RCFGBuilder took 625.58 ms. Allocated memory was 309.9 MB in the beginning and 324.0 MB in the end (delta: 14.2 MB). Free memory was 208.4 MB in the beginning and 279.2 MB in the end (delta: -70.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 3.6 GB. [2018-06-26 18:30:11,448 INFO ]: BlockEncodingV2 took 541.08 ms. Allocated memory is still 324.0 MB. Free memory was 279.2 MB in the beginning and 227.3 MB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:30:11,449 INFO ]: TraceAbstraction took 749.30 ms. Allocated memory is still 324.0 MB. Free memory was 225.8 MB in the beginning and 201.0 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 3.6 GB. [2018-06-26 18:30:11,456 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 23 locations, 32 edges - StatisticsResult: Encoded RCFG 10 locations, 15 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 309.9 MB. Free memory is still 275.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 69.66 ms. Allocated memory is still 309.9 MB. Free memory was 213.3 MB in the beginning and 210.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 45.87 ms. Allocated memory is still 309.9 MB. Free memory was 210.4 MB in the beginning and 208.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 625.58 ms. Allocated memory was 309.9 MB in the beginning and 324.0 MB in the end (delta: 14.2 MB). Free memory was 208.4 MB in the beginning and 279.2 MB in the end (delta: -70.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 541.08 ms. Allocated memory is still 324.0 MB. Free memory was 279.2 MB in the beginning and 227.3 MB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 749.30 ms. Allocated memory is still 324.0 MB. Free memory was 225.8 MB in the beginning and 201.0 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 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, 0, 0, 0, 0, 0); [L0] assume true; [L0] hhv_f_1034DLRunknownCLN64_0_Int, hhv_f_1034DLRunknownCLN64_1_Int, hhv_f_1034DLRunknownCLN64_2_Int, hhv_f_1034DLRunknownCLN64_3_Int, hhv_f_1034DLRunknownCLN64_4_Int, hhv_f_1034DLRunknownCLN64_5_Int, hhv_f_1034DLRunknownCLN64_6_Int, hhv_f_1034DLRunknownCLN64_7_Int, hhv_f_1034DLRunknownCLN64_8_Int, hhv_f_1034DLRunknownCLN64_9_Int, hhv_f_1034DLRunknownCLN64_10_Int, hhv_f_1034DLRunknownCLN64_11_Int, hhv_f_1034DLRunknownCLN64_12_Int, hhv_f_1034DLRunknownCLN64_13_Int, hhv_f_1034DLRunknownCLN64_14_Int, hhv_f_1034DLRunknownCLN64_15_Int, hhv_f_1034DLRunknownCLN64_16_Int, hhv_f_1034DLRunknownCLN64_17_Int := hhv_f_1034DLRunknownCLN59_0_Int, hhv_f_1034DLRunknownCLN59_1_Int, hhv_f_1034DLRunknownCLN59_2_Int, hhv_f_1034DLRunknownCLN59_3_Int, hhv_f_1034DLRunknownCLN59_4_Int, hhv_f_1034DLRunknownCLN59_5_Int, hhv_f_1034DLRunknownCLN59_6_Int, hhv_f_1034DLRunknownCLN59_7_Int, hhv_f_1034DLRunknownCLN59_8_Int, hhv_f_1034DLRunknownCLN59_9_Int, hhv_f_1034DLRunknownCLN59_10_Int, hhv_f_1034DLRunknownCLN59_11_Int, hhv_f_1034DLRunknownCLN59_12_Int, hhv_f_1034DLRunknownCLN59_13_Int, hhv_f_1034DLRunknownCLN59_14_Int, hhv_f_1034DLRunknownCLN59_15_Int, hhv_f_1034DLRunknownCLN59_16_Int, hhv_f_1034DLRunknownCLN59_17_Int; [L0] assume true; [L0] hhv_f_1034DLRunknownCLN64_0_Int, hhv_f_1034DLRunknownCLN64_1_Int, hhv_f_1034DLRunknownCLN64_2_Int, hhv_f_1034DLRunknownCLN64_3_Int, hhv_f_1034DLRunknownCLN64_4_Int, hhv_f_1034DLRunknownCLN64_5_Int, hhv_f_1034DLRunknownCLN64_6_Int, hhv_f_1034DLRunknownCLN64_7_Int, hhv_f_1034DLRunknownCLN64_8_Int, hhv_f_1034DLRunknownCLN64_9_Int, hhv_f_1034DLRunknownCLN64_10_Int, hhv_f_1034DLRunknownCLN64_11_Int, hhv_f_1034DLRunknownCLN64_12_Int, hhv_f_1034DLRunknownCLN64_13_Int, hhv_f_1034DLRunknownCLN64_14_Int, hhv_f_1034DLRunknownCLN64_15_Int, hhv_f_1034DLRunknownCLN64_16_Int, hhv_f_1034DLRunknownCLN64_17_Int := hhv_f_1034DLRunknownCLN59_0_Int, hhv_f_1034DLRunknownCLN59_1_Int, hhv_f_1034DLRunknownCLN59_2_Int, hhv_f_1034DLRunknownCLN59_3_Int, hhv_f_1034DLRunknownCLN59_4_Int, hhv_f_1034DLRunknownCLN59_5_Int, hhv_f_1034DLRunknownCLN59_6_Int, hhv_f_1034DLRunknownCLN59_7_Int, hhv_f_1034DLRunknownCLN59_8_Int, hhv_f_1034DLRunknownCLN59_9_Int, hhv_f_1034DLRunknownCLN59_10_Int, hhv_f_1034DLRunknownCLN59_11_Int, hhv_f_1034DLRunknownCLN59_12_Int, hhv_f_1034DLRunknownCLN59_13_Int, hhv_f_1034DLRunknownCLN59_14_Int, hhv_f_1034DLRunknownCLN59_15_Int, hhv_f_1034DLRunknownCLN59_16_Int, hhv_f_1034DLRunknownCLN59_17_Int; [L0] RET call gotoProc(0, 0, 0, 0, 0, 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, 10 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 1 SDslu, 7 SDs, 0 SdLazy, 7 SolverSat, 1 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=10occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 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 incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-1CFA09.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_18-30-11-469.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-1CFA09.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_18-30-11-469.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-1CFA09.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_18-30-11-469.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-1CFA09.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_18-30-11-469.csv Received shutdown request...