java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i '/storage/chc-comp/llreve-bench/smt2/faulty__limit1!.smt2' -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:55:53,145 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:55:53,149 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:55:53,164 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:55:53,164 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:55:53,165 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:55:53,168 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:55:53,170 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:55:53,172 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:55:53,174 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:55:53,175 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:55:53,175 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:55:53,176 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:55:53,180 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:55:53,181 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:55:53,182 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:55:53,184 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:55:53,197 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:55:53,198 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:55:53,199 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:55:53,200 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:55:53,203 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:55:53,203 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:55:53,203 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:55:53,204 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:55:53,205 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:55:53,206 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:55:53,207 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:55:53,208 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:55:53,208 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:55:53,209 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:55:53,210 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:55:53,210 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:55:53,210 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:55:53,215 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:55:53,216 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 11:55:53,237 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:55:53,237 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:55:53,237 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:55:53,238 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:55:53,239 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:55:53,239 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:55:53,239 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:55:53,239 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:55:53,239 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:55:53,243 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:55:53,244 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:55:53,244 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:55:53,244 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:55:53,244 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:55:53,244 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:55:53,245 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:55:53,245 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:55:53,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:55:53,245 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:55:53,248 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:55:53,248 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:55:53,298 INFO ]: Repository-Root is: /tmp [2018-06-22 11:55:53,314 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:55:53,319 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:55:53,321 INFO ]: Initializing SmtParser... [2018-06-22 11:55:53,321 INFO ]: SmtParser initialized [2018-06-22 11:55:53,322 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/faulty__limit1!.smt2 [2018-06-22 11:55:53,323 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 [2018-06-22 11:55:53,412 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/faulty__limit1!.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@49d59bf3 [2018-06-22 11:55:53,669 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/faulty__limit1!.smt2 [2018-06-22 11:55:53,673 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:55:53,680 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:55:53,681 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:55:53,681 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:55:53,681 INFO ]: ChcToBoogie initialized [2018-06-22 11:55:53,685 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:55:53" (1/1) ... [2018-06-22 11:55:53,733 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:55:53 Unit [2018-06-22 11:55:53,734 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:55:53,736 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:55:53,736 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:55:53,736 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:55:53,762 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:55:53" (1/1) ... [2018-06-22 11:55:53,762 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:55:53" (1/1) ... [2018-06-22 11:55:53,771 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:55:53" (1/1) ... [2018-06-22 11:55:53,771 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:55:53" (1/1) ... [2018-06-22 11:55:53,777 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:55:53" (1/1) ... [2018-06-22 11:55:53,780 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:55:53" (1/1) ... [2018-06-22 11:55:53,782 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:55:53" (1/1) ... [2018-06-22 11:55:53,783 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:55:53,784 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:55:53,784 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:55:53,784 INFO ]: RCFGBuilder initialized [2018-06-22 11:55:53,785 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:55:53" (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) [2018-06-22 11:55:53,804 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:55:53,804 INFO ]: Found specification of procedure False [2018-06-22 11:55:53,804 INFO ]: Found implementation of procedure False [2018-06-22 11:55:53,804 INFO ]: Specification and implementation of procedure INV_REC_f__2 given in one single declaration [2018-06-22 11:55:53,804 INFO ]: Found specification of procedure INV_REC_f__2 [2018-06-22 11:55:53,804 INFO ]: Found implementation of procedure INV_REC_f__2 [2018-06-22 11:55:53,804 INFO ]: Specification and implementation of procedure INV_REC_f__2_PRE given in one single declaration [2018-06-22 11:55:53,804 INFO ]: Found specification of procedure INV_REC_f__2_PRE [2018-06-22 11:55:53,804 INFO ]: Found implementation of procedure INV_REC_f__2_PRE [2018-06-22 11:55:53,804 INFO ]: Specification and implementation of procedure INV_REC_f^f_PRE given in one single declaration [2018-06-22 11:55:53,804 INFO ]: Found specification of procedure INV_REC_f^f_PRE [2018-06-22 11:55:53,804 INFO ]: Found implementation of procedure INV_REC_f^f_PRE [2018-06-22 11:55:53,804 INFO ]: Specification and implementation of procedure INV_REC_f__1 given in one single declaration [2018-06-22 11:55:53,804 INFO ]: Found specification of procedure INV_REC_f__1 [2018-06-22 11:55:53,804 INFO ]: Found implementation of procedure INV_REC_f__1 [2018-06-22 11:55:53,804 INFO ]: Specification and implementation of procedure INV_REC_f__1_PRE given in one single declaration [2018-06-22 11:55:53,804 INFO ]: Found specification of procedure INV_REC_f__1_PRE [2018-06-22 11:55:53,805 INFO ]: Found implementation of procedure INV_REC_f__1_PRE [2018-06-22 11:55:53,805 INFO ]: Specification and implementation of procedure INV_REC_f^f given in one single declaration [2018-06-22 11:55:53,805 INFO ]: Found specification of procedure INV_REC_f^f [2018-06-22 11:55:53,805 INFO ]: Found implementation of procedure INV_REC_f^f [2018-06-22 11:55:53,805 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:55:53,805 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:55:53,805 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 [2018-06-22 11:55:54,200 INFO ]: Using library mode [2018-06-22 11:55:54,200 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:55:54 BoogieIcfgContainer [2018-06-22 11:55:54,201 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:55:54,202 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:55:54,202 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:55:54,205 INFO ]: TraceAbstraction initialized [2018-06-22 11:55:54,205 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:55:53" (1/3) ... [2018-06-22 11:55:54,206 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b62b6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:55:54, skipping insertion in model container [2018-06-22 11:55:54,206 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:55:53" (2/3) ... [2018-06-22 11:55:54,206 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b62b6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:55:54, skipping insertion in model container [2018-06-22 11:55:54,206 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:55:54" (3/3) ... [2018-06-22 11:55:54,208 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:55:54,217 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:55:54,227 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:55:54,277 INFO ]: Using default assertion order modulation [2018-06-22 11:55:54,278 INFO ]: Interprodecural is true [2018-06-22 11:55:54,278 INFO ]: Hoare is false [2018-06-22 11:55:54,278 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:55:54,278 INFO ]: Backedges is TWOTRACK [2018-06-22 11:55:54,278 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:55:54,278 INFO ]: Difference is false [2018-06-22 11:55:54,278 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:55:54,278 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:55:54,300 INFO ]: Start isEmpty. Operand 47 states. [2018-06-22 11:55:54,322 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:55:54,322 INFO ]: Found error trace [2018-06-22 11:55:54,323 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:55:54,323 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:55:54,328 INFO ]: Analyzing trace with hash 130004611, now seen corresponding path program 1 times [2018-06-22 11:55:54,330 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:55:54,330 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:55:54,374 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:55:54,374 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:55:54,374 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:55:54,387 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:55:54,408 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:55:54,411 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:55:54,411 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 11:55:54,412 INFO ]: Interpolant automaton has 2 states [2018-06-22 11:55:54,428 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 11:55:54,429 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:55:54,432 INFO ]: Start difference. First operand 47 states. Second operand 2 states. [2018-06-22 11:55:54,465 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:55:54,465 INFO ]: Finished difference Result 43 states and 63 transitions. [2018-06-22 11:55:54,465 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 11:55:54,466 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 11:55:54,466 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:55:54,483 INFO ]: With dead ends: 43 [2018-06-22 11:55:54,483 INFO ]: Without dead ends: 43 [2018-06-22 11:55:54,488 INFO ]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:55:54,505 INFO ]: Start minimizeSevpa. Operand 43 states. [2018-06-22 11:55:54,538 INFO ]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-06-22 11:55:54,540 INFO ]: Start removeUnreachable. Operand 43 states. [2018-06-22 11:55:54,542 INFO ]: Finished removeUnreachable. Reduced from 43 states to 43 states and 63 transitions. [2018-06-22 11:55:54,543 INFO ]: Start accepts. Automaton has 43 states and 63 transitions. Word has length 5 [2018-06-22 11:55:54,543 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:55:54,543 INFO ]: Abstraction has 43 states and 63 transitions. [2018-06-22 11:55:54,543 INFO ]: Interpolant automaton has 2 states. [2018-06-22 11:55:54,543 INFO ]: Start isEmpty. Operand 43 states and 63 transitions. [2018-06-22 11:55:54,545 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 11:55:54,545 INFO ]: Found error trace [2018-06-22 11:55:54,545 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:55:54,545 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:55:54,545 INFO ]: Analyzing trace with hash 197107798, now seen corresponding path program 1 times [2018-06-22 11:55:54,545 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:55:54,545 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:55:54,546 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:55:54,546 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:55:54,546 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:55:54,571 INFO ]: Conjunction of SSA is sat [2018-06-22 11:55:54,574 INFO ]: Counterexample might be feasible [2018-06-22 11:55:54,587 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:55:54 BoogieIcfgContainer [2018-06-22 11:55:54,587 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:55:54,588 INFO ]: Toolchain (without parser) took 914.29 ms. Allocated memory is still 306.7 MB. Free memory was 261.2 MB in the beginning and 230.1 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 3.6 GB. [2018-06-22 11:55:54,590 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 306.7 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:55:54,590 INFO ]: ChcToBoogie took 54.91 ms. Allocated memory is still 306.7 MB. Free memory was 261.2 MB in the beginning and 259.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:55:54,591 INFO ]: Boogie Preprocessor took 47.28 ms. Allocated memory is still 306.7 MB. Free memory was 259.2 MB in the beginning and 258.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. [2018-06-22 11:55:54,591 INFO ]: RCFGBuilder took 416.61 ms. Allocated memory is still 306.7 MB. Free memory was 258.1 MB in the beginning and 246.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:55:54,592 INFO ]: TraceAbstraction took 385.57 ms. Allocated memory is still 306.7 MB. Free memory was 245.2 MB in the beginning and 230.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:55:54,596 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 306.7 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 54.91 ms. Allocated memory is still 306.7 MB. Free memory was 261.2 MB in the beginning and 259.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 47.28 ms. Allocated memory is still 306.7 MB. Free memory was 259.2 MB in the beginning and 258.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 416.61 ms. Allocated memory is still 306.7 MB. Free memory was 258.1 MB in the beginning and 246.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 385.57 ms. Allocated memory is still 306.7 MB. Free memory was 245.2 MB in the beginning and 230.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 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 False(); [L0] assume ((!(hbv_False_2_Int <= 1) && !(hbv_False_1_Int + hbv_False_3_Int == hbv_False_2_Int + (hbv_False_2_Int - 1) + hbv_False_4_Int)) && !(hbv_False_1_Int <= 1)) && hbv_False_1_Int == hbv_False_2_Int; [L0] CALL call INV_REC_f^f(hbv_False_1_Int - 1, hbv_False_2_Int - 3, hbv_False_3_Int, hbv_False_4_Int); [L0] assume ((hhv_INV_REC_f^f_0_Int <= 1 && hhv_INV_REC_f^f_3_Int == hhv_INV_REC_f^f_1_Int) && hhv_INV_REC_f^f_2_Int == hhv_INV_REC_f^f_0_Int) && hhv_INV_REC_f^f_1_Int <= 1; [L0] CALL call INV_REC_f^f_PRE(hhv_INV_REC_f^f_0_Int, hhv_INV_REC_f^f_1_Int); [L0] assume (((!(hbv_INV_REC_f^f_PRE_2_Int <= 1) && hhv_INV_REC_f^f_PRE_0_Int == hbv_INV_REC_f^f_PRE_1_Int - 1) && !(hbv_INV_REC_f^f_PRE_1_Int <= 1)) && hbv_INV_REC_f^f_PRE_1_Int == hbv_INV_REC_f^f_PRE_2_Int) && hhv_INV_REC_f^f_PRE_1_Int == hbv_INV_REC_f^f_PRE_2_Int - 3; [L0] RET call INV_REC_f^f_PRE(hhv_INV_REC_f^f_0_Int, hhv_INV_REC_f^f_1_Int); [L0] RET call INV_REC_f^f(hbv_False_1_Int - 1, hbv_False_2_Int - 3, hbv_False_3_Int, hbv_False_4_Int); [L0] RET call False(); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 47 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 63 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 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/faulty__limit1!.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-55-54-611.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/faulty__limit1!.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-55-54-611.csv Received shutdown request...