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/eldarica-misc/LIA/Consistency/point-location-nr.52.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-24 20:37:47,267 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-24 20:37:47,269 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-24 20:37:47,280 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-24 20:37:47,280 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-24 20:37:47,281 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-24 20:37:47,282 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-24 20:37:47,284 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-24 20:37:47,285 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-24 20:37:47,286 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-24 20:37:47,286 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-24 20:37:47,289 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-24 20:37:47,290 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-24 20:37:47,291 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-24 20:37:47,292 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-24 20:37:47,293 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-24 20:37:47,294 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-24 20:37:47,299 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-24 20:37:47,300 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-24 20:37:47,301 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-24 20:37:47,303 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-24 20:37:47,305 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-24 20:37:47,305 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-24 20:37:47,305 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-24 20:37:47,306 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-24 20:37:47,307 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-24 20:37:47,308 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-24 20:37:47,308 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-24 20:37:47,309 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-24 20:37:47,310 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-24 20:37:47,310 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-24 20:37:47,311 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-24 20:37:47,311 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-24 20:37:47,312 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-24 20:37:47,312 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-24 20:37:47,313 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-24 20:37:47,326 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-24 20:37:47,327 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-24 20:37:47,327 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-24 20:37:47,327 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-24 20:37:47,328 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-24 20:37:47,328 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-24 20:37:47,328 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-24 20:37:47,329 INFO L133 SettingsManager]: * Use SBE=true [2018-06-24 20:37:47,329 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-24 20:37:47,329 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-24 20:37:47,329 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-24 20:37:47,329 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-24 20:37:47,330 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 20:37:47,330 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-24 20:37:47,330 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-24 20:37:47,330 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-24 20:37:47,331 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-24 20:37:47,331 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-24 20:37:47,331 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-24 20:37:47,331 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-24 20:37:47,331 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-24 20:37:47,332 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-24 20:37:47,333 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-24 20:37:47,382 INFO ]: Repository-Root is: /tmp [2018-06-24 20:37:47,401 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-24 20:37:47,405 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-24 20:37:47,406 INFO ]: Initializing SmtParser... [2018-06-24 20:37:47,406 INFO ]: SmtParser initialized [2018-06-24 20:37:47,407 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/point-location-nr.52.smt2 [2018-06-24 20:37:47,408 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-24 20:37:47,495 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/point-location-nr.52.smt2 unknown [2018-06-24 20:37:47,873 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/point-location-nr.52.smt2 [2018-06-24 20:37:47,881 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-24 20:37:47,889 INFO ]: Walking toolchain with 5 elements. [2018-06-24 20:37:47,890 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-24 20:37:47,890 INFO ]: Initializing ChcToBoogie... [2018-06-24 20:37:47,890 INFO ]: ChcToBoogie initialized [2018-06-24 20:37:47,893 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 08:37:47" (1/1) ... [2018-06-24 20:37:47,993 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:47 Unit [2018-06-24 20:37:47,993 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-24 20:37:47,994 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-24 20:37:47,994 INFO ]: Initializing Boogie Preprocessor... [2018-06-24 20:37:47,994 INFO ]: Boogie Preprocessor initialized [2018-06-24 20:37:48,014 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:47" (1/1) ... [2018-06-24 20:37:48,014 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:47" (1/1) ... [2018-06-24 20:37:48,024 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:47" (1/1) ... [2018-06-24 20:37:48,025 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:47" (1/1) ... [2018-06-24 20:37:48,038 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:47" (1/1) ... [2018-06-24 20:37:48,043 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:47" (1/1) ... [2018-06-24 20:37:48,045 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:47" (1/1) ... [2018-06-24 20:37:48,049 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-24 20:37:48,049 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-24 20:37:48,049 INFO ]: Initializing RCFGBuilder... [2018-06-24 20:37:48,049 INFO ]: RCFGBuilder initialized [2018-06-24 20:37:48,050 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:47" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-24 20:37:48,059 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-24 20:37:48,059 INFO ]: Found specification of procedure gotoProc [2018-06-24 20:37:48,059 INFO ]: Found implementation of procedure gotoProc [2018-06-24 20:37:48,059 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-24 20:37:48,059 INFO ]: Found specification of procedure Ultimate.START [2018-06-24 20:37:48,059 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 20:37:49,248 INFO ]: Using library mode [2018-06-24 20:37:49,249 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:37:49 BoogieIcfgContainer [2018-06-24 20:37:49,249 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-24 20:37:49,249 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-24 20:37:49,249 INFO ]: Initializing BlockEncodingV2... [2018-06-24 20:37:49,251 INFO ]: BlockEncodingV2 initialized [2018-06-24 20:37:49,251 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:37:49" (1/1) ... [2018-06-24 20:37:49,285 INFO ]: Initial Icfg 144 locations, 279 edges [2018-06-24 20:37:49,287 INFO ]: Using Remove infeasible edges [2018-06-24 20:37:49,287 INFO ]: Using Maximize final states [2018-06-24 20:37:49,288 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-24 20:37:49,288 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-24 20:37:49,289 INFO ]: Using Remove sink states [2018-06-24 20:37:49,290 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-24 20:37:49,290 INFO ]: Using Use SBE [2018-06-24 20:37:49,300 INFO ]: SBE split 0 edges [2018-06-24 20:37:49,309 INFO ]: Removed 3 edges and 2 locations because of local infeasibility [2018-06-24 20:37:49,311 INFO ]: 0 new accepting states [2018-06-24 20:37:49,947 INFO ]: Removed 55 edges and 8 locations by large block encoding [2018-06-24 20:37:49,951 INFO ]: Removed 1 edges and 1 locations by removing sink states [2018-06-24 20:37:49,957 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-24 20:37:49,957 INFO ]: 0 new accepting states [2018-06-24 20:37:49,963 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 20:37:49,965 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 20:37:49,967 INFO ]: Encoded RCFG 133 locations, 267 edges [2018-06-24 20:37:49,971 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 08:37:49 BasicIcfg [2018-06-24 20:37:49,971 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-24 20:37:49,972 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-24 20:37:49,972 INFO ]: Initializing TraceAbstraction... [2018-06-24 20:37:49,977 INFO ]: TraceAbstraction initialized [2018-06-24 20:37:49,977 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 08:37:47" (1/4) ... [2018-06-24 20:37:49,978 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d042991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 24.06 08:37:49, skipping insertion in model container [2018-06-24 20:37:49,978 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:47" (2/4) ... [2018-06-24 20:37:49,978 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d042991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 08:37:49, skipping insertion in model container [2018-06-24 20:37:49,978 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:37:49" (3/4) ... [2018-06-24 20:37:49,979 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d042991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 08:37:49, skipping insertion in model container [2018-06-24 20:37:49,979 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 08:37:49" (4/4) ... [2018-06-24 20:37:49,981 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-24 20:37:49,994 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-24 20:37:50,011 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-24 20:37:50,061 INFO ]: Using default assertion order modulation [2018-06-24 20:37:50,062 INFO ]: Interprodecural is true [2018-06-24 20:37:50,062 INFO ]: Hoare is false [2018-06-24 20:37:50,062 INFO ]: Compute interpolants for FPandBP [2018-06-24 20:37:50,062 INFO ]: Backedges is TWOTRACK [2018-06-24 20:37:50,062 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-24 20:37:50,062 INFO ]: Difference is false [2018-06-24 20:37:50,062 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-24 20:37:50,062 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-24 20:37:50,082 INFO ]: Start isEmpty. Operand 133 states. [2018-06-24 20:37:50,154 INFO ]: Finished isEmpty. Found accepting run of length 5 [2018-06-24 20:37:50,154 INFO ]: Found error trace [2018-06-24 20:37:50,155 INFO ]: trace histogram [1, 1, 1, 1] [2018-06-24 20:37:50,155 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 20:37:50,161 INFO ]: Analyzing trace with hash 5664302, now seen corresponding path program 1 times [2018-06-24 20:37:50,166 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 20:37:50,166 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 20:37:50,210 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:37:50,210 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 20:37:50,210 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:37:50,251 INFO ]: Conjunction of SSA is unsat [2018-06-24 20:37:50,364 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 20:37:50,366 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 20:37:50,366 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 20:37:50,368 INFO ]: Interpolant automaton has 3 states [2018-06-24 20:37:50,383 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 20:37:50,383 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 20:37:50,386 INFO ]: Start difference. First operand 133 states. Second operand 3 states. [2018-06-24 20:37:52,580 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 20:37:52,580 INFO ]: Finished difference Result 263 states and 531 transitions. [2018-06-24 20:37:52,581 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 20:37:52,582 INFO ]: Start accepts. Automaton has 3 states. Word has length 4 [2018-06-24 20:37:52,583 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 20:37:52,618 INFO ]: With dead ends: 263 [2018-06-24 20:37:52,618 INFO ]: Without dead ends: 263 [2018-06-24 20:37:52,620 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 20:37:52,638 INFO ]: Start minimizeSevpa. Operand 263 states. [2018-06-24 20:37:52,750 INFO ]: Finished minimizeSevpa. Reduced states from 263 to 263. [2018-06-24 20:37:52,751 INFO ]: Start removeUnreachable. Operand 263 states. [2018-06-24 20:37:52,765 INFO ]: Finished removeUnreachable. Reduced from 263 states to 263 states and 531 transitions. [2018-06-24 20:37:52,767 INFO ]: Start accepts. Automaton has 263 states and 531 transitions. Word has length 4 [2018-06-24 20:37:52,768 INFO ]: Finished accepts. word is rejected. [2018-06-24 20:37:52,768 INFO ]: Abstraction has 263 states and 531 transitions. [2018-06-24 20:37:52,768 INFO ]: Interpolant automaton has 3 states. [2018-06-24 20:37:52,769 INFO ]: Start isEmpty. Operand 263 states and 531 transitions. [2018-06-24 20:37:52,794 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-24 20:37:52,794 INFO ]: Found error trace [2018-06-24 20:37:52,794 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-24 20:37:52,795 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 20:37:52,795 INFO ]: Analyzing trace with hash -1607720516, now seen corresponding path program 1 times [2018-06-24 20:37:52,795 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 20:37:52,795 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 20:37:52,796 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:37:52,796 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 20:37:52,796 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:37:52,822 INFO ]: Conjunction of SSA is unsat [2018-06-24 20:37:52,910 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-24 20:37:52,910 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 20:37:52,910 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 20:37:52,912 INFO ]: Interpolant automaton has 3 states [2018-06-24 20:37:52,912 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 20:37:52,912 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 20:37:52,912 INFO ]: Start difference. First operand 263 states and 531 transitions. Second operand 3 states. [2018-06-24 20:37:54,445 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 20:37:54,445 INFO ]: Finished difference Result 393 states and 791 transitions. [2018-06-24 20:37:54,446 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 20:37:54,446 INFO ]: Start accepts. Automaton has 3 states. Word has length 8 [2018-06-24 20:37:54,446 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 20:37:54,464 INFO ]: With dead ends: 393 [2018-06-24 20:37:54,464 INFO ]: Without dead ends: 393 [2018-06-24 20:37:54,465 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 20:37:54,465 INFO ]: Start minimizeSevpa. Operand 393 states. [2018-06-24 20:37:54,580 INFO ]: Finished minimizeSevpa. Reduced states from 393 to 393. [2018-06-24 20:37:54,580 INFO ]: Start removeUnreachable. Operand 393 states. [2018-06-24 20:37:54,593 INFO ]: Finished removeUnreachable. Reduced from 393 states to 393 states and 791 transitions. [2018-06-24 20:37:54,593 INFO ]: Start accepts. Automaton has 393 states and 791 transitions. Word has length 8 [2018-06-24 20:37:54,593 INFO ]: Finished accepts. word is rejected. [2018-06-24 20:37:54,593 INFO ]: Abstraction has 393 states and 791 transitions. [2018-06-24 20:37:54,593 INFO ]: Interpolant automaton has 3 states. [2018-06-24 20:37:54,593 INFO ]: Start isEmpty. Operand 393 states and 791 transitions. [2018-06-24 20:37:54,612 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-24 20:37:54,612 INFO ]: Found error trace [2018-06-24 20:37:54,612 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-24 20:37:54,612 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 20:37:54,612 INFO ]: Analyzing trace with hash 925528497, now seen corresponding path program 1 times [2018-06-24 20:37:54,612 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 20:37:54,612 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 20:37:54,613 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:37:54,613 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 20:37:54,613 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:37:54,637 INFO ]: Conjunction of SSA is sat [2018-06-24 20:37:54,643 INFO ]: Counterexample might be feasible [2018-06-24 20:37:54,665 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-24 20:37:54,666 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 08:37:54 BasicIcfg [2018-06-24 20:37:54,666 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-24 20:37:54,667 INFO ]: Toolchain (without parser) took 6785.24 ms. Allocated memory was 308.8 MB in the beginning and 390.6 MB in the end (delta: 81.8 MB). Free memory was 253.2 MB in the beginning and 216.3 MB in the end (delta: 36.9 MB). Peak memory consumption was 118.7 MB. Max. memory is 3.6 GB. [2018-06-24 20:37:54,668 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 20:37:54,669 INFO ]: ChcToBoogie took 103.89 ms. Allocated memory is still 308.8 MB. Free memory was 253.2 MB in the beginning and 249.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-24 20:37:54,669 INFO ]: Boogie Preprocessor took 54.81 ms. Allocated memory is still 308.8 MB. Free memory was 249.2 MB in the beginning and 247.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-24 20:37:54,670 INFO ]: RCFGBuilder took 1199.87 ms. Allocated memory was 308.8 MB in the beginning and 327.2 MB in the end (delta: 18.4 MB). Free memory was 247.2 MB in the beginning and 293.2 MB in the end (delta: -46.0 MB). Peak memory consumption was 66.3 MB. Max. memory is 3.6 GB. [2018-06-24 20:37:54,671 INFO ]: BlockEncodingV2 took 721.48 ms. Allocated memory is still 327.2 MB. Free memory was 293.2 MB in the beginning and 259.5 MB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 3.6 GB. [2018-06-24 20:37:54,671 INFO ]: TraceAbstraction took 4693.90 ms. Allocated memory was 327.2 MB in the beginning and 390.6 MB in the end (delta: 63.4 MB). Free memory was 259.5 MB in the beginning and 216.3 MB in the end (delta: 43.2 MB). Peak memory consumption was 106.7 MB. Max. memory is 3.6 GB. [2018-06-24 20:37:54,675 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 144 locations, 279 edges - StatisticsResult: Encoded RCFG 133 locations, 267 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 103.89 ms. Allocated memory is still 308.8 MB. Free memory was 253.2 MB in the beginning and 249.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 54.81 ms. Allocated memory is still 308.8 MB. Free memory was 249.2 MB in the beginning and 247.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1199.87 ms. Allocated memory was 308.8 MB in the beginning and 327.2 MB in the end (delta: 18.4 MB). Free memory was 247.2 MB in the beginning and 293.2 MB in the end (delta: -46.0 MB). Peak memory consumption was 66.3 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 721.48 ms. Allocated memory is still 327.2 MB. Free memory was 293.2 MB in the beginning and 259.5 MB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 3.6 GB. * TraceAbstraction took 4693.90 ms. Allocated memory was 327.2 MB in the beginning and 390.6 MB in the end (delta: 63.4 MB). Free memory was 259.5 MB in the beginning and 216.3 MB in the end (delta: 43.2 MB). Peak memory consumption was 106.7 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 true; [L0] CALL call gotoProc(6, hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_10_Int, hbv_False_11_Int, hbv_False_12_Int, hbv_False_13_Int); [L0] COND TRUE gotoSwitch == 6 [L0] hhv_step_lturn_0_Int, hhv_step_lturn_1_Int, hhv_step_lturn_2_Int, hhv_step_lturn_3_Int, hhv_step_lturn_4_Int, hhv_step_lturn_5_Int, hhv_step_lturn_6_Int, hhv_step_lturn_7_Int, hhv_step_lturn_8_Int, hhv_step_lturn_9_Int, hhv_step_lturn_10_Int, hhv_step_lturn_11_Int, hhv_step_lturn_12_Int := gpav_0_Int, gpav_1_Int, gpav_2_Int, gpav_3_Int, gpav_4_Int, gpav_5_Int, gpav_6_Int, gpav_7_Int, gpav_8_Int, gpav_9_Int, gpav_10_Int, gpav_11_Int, gpav_12_Int; [L0] RET call gotoProc(6, hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_10_Int, hbv_False_11_Int, hbv_False_12_Int, hbv_False_13_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, 133 locations, 1 error locations. UNSAFE Result, 4.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 3.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 641 SDtfs, 134 SDslu, 207 SDs, 0 SdLazy, 498 SolverSat, 353 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=393occurred in iteration=2, 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: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 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/point-location-nr.52.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-24_20-37-54-687.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/point-location-nr.52.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-24_20-37-54-687.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/point-location-nr.52.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-24_20-37-54-687.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/point-location-nr.52.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-24_20-37-54-687.csv Received shutdown request...