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/quant/libc__memrchr_1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 12:15:21,163 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 12:15:21,165 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 12:15:21,179 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 12:15:21,179 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 12:15:21,181 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 12:15:21,182 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 12:15:21,185 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 12:15:21,186 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 12:15:21,187 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 12:15:21,188 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 12:15:21,188 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 12:15:21,189 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 12:15:21,190 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 12:15:21,191 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 12:15:21,191 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 12:15:21,193 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 12:15:21,195 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 12:15:21,196 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 12:15:21,202 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 12:15:21,204 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 12:15:21,208 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 12:15:21,209 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 12:15:21,209 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 12:15:21,210 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 12:15:21,217 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 12:15:21,218 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 12:15:21,219 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 12:15:21,224 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 12:15:21,225 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 12:15:21,225 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 12:15:21,226 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 12:15:21,226 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 12:15:21,228 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 12:15:21,228 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 12:15:21,229 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 12:15:21,251 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 12:15:21,251 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 12:15:21,251 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 12:15:21,252 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 12:15:21,256 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 12:15:21,256 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 12:15:21,257 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 12:15:21,257 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 12:15:21,257 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 12:15:21,257 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 12:15:21,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 12:15:21,257 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 12:15:21,258 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 12:15:21,258 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 12:15:21,258 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 12:15:21,258 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 12:15:21,258 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 12:15:21,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 12:15:21,259 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 12:15:21,261 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 12:15:21,261 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 12:15:21,312 INFO ]: Repository-Root is: /tmp [2018-06-22 12:15:21,327 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 12:15:21,334 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 12:15:21,336 INFO ]: Initializing SmtParser... [2018-06-22 12:15:21,336 INFO ]: SmtParser initialized [2018-06-22 12:15:21,337 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/libc__memrchr_1.smt2 [2018-06-22 12:15:21,338 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 12:15:21,430 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__memrchr_1.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@64c6d78 [2018-06-22 12:15:21,782 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__memrchr_1.smt2 [2018-06-22 12:15:21,788 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 12:15:21,795 INFO ]: Walking toolchain with 4 elements. [2018-06-22 12:15:21,795 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 12:15:21,795 INFO ]: Initializing ChcToBoogie... [2018-06-22 12:15:21,795 INFO ]: ChcToBoogie initialized [2018-06-22 12:15:21,799 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:15:21" (1/1) ... [2018-06-22 12:15:21,856 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:21 Unit [2018-06-22 12:15:21,856 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 12:15:21,857 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 12:15:21,857 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 12:15:21,857 INFO ]: Boogie Preprocessor initialized [2018-06-22 12:15:21,882 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:21" (1/1) ... [2018-06-22 12:15:21,883 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:21" (1/1) ... [2018-06-22 12:15:21,897 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:21" (1/1) ... [2018-06-22 12:15:21,897 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:21" (1/1) ... [2018-06-22 12:15:21,903 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:21" (1/1) ... [2018-06-22 12:15:21,905 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:21" (1/1) ... [2018-06-22 12:15:21,907 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:21" (1/1) ... [2018-06-22 12:15:21,911 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 12:15:21,911 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 12:15:21,911 INFO ]: Initializing RCFGBuilder... [2018-06-22 12:15:21,912 INFO ]: RCFGBuilder initialized [2018-06-22 12:15:21,912 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:21" (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 [2018-06-22 12:15:21,926 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 12:15:21,926 INFO ]: Found specification of procedure False [2018-06-22 12:15:21,926 INFO ]: Found implementation of procedure False [2018-06-22 12:15:21,926 INFO ]: Specification and implementation of procedure INV_MAIN_0 given in one single declaration [2018-06-22 12:15:21,926 INFO ]: Found specification of procedure INV_MAIN_0 [2018-06-22 12:15:21,926 INFO ]: Found implementation of procedure INV_MAIN_0 [2018-06-22 12:15:21,926 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 12:15:21,926 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 12:15:21,926 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 12:15:22,405 INFO ]: Using library mode [2018-06-22 12:15:22,406 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:15:22 BoogieIcfgContainer [2018-06-22 12:15:22,406 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 12:15:22,407 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 12:15:22,407 INFO ]: Initializing TraceAbstraction... [2018-06-22 12:15:22,410 INFO ]: TraceAbstraction initialized [2018-06-22 12:15:22,410 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:15:21" (1/3) ... [2018-06-22 12:15:22,411 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b786e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 12:15:22, skipping insertion in model container [2018-06-22 12:15:22,411 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:21" (2/3) ... [2018-06-22 12:15:22,412 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b786e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 12:15:22, skipping insertion in model container [2018-06-22 12:15:22,412 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:15:22" (3/3) ... [2018-06-22 12:15:22,413 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 12:15:22,423 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 12:15:22,433 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 12:15:22,466 INFO ]: Using default assertion order modulation [2018-06-22 12:15:22,466 INFO ]: Interprodecural is true [2018-06-22 12:15:22,467 INFO ]: Hoare is false [2018-06-22 12:15:22,467 INFO ]: Compute interpolants for FPandBP [2018-06-22 12:15:22,467 INFO ]: Backedges is TWOTRACK [2018-06-22 12:15:22,467 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 12:15:22,467 INFO ]: Difference is false [2018-06-22 12:15:22,467 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 12:15:22,467 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 12:15:22,479 INFO ]: Start isEmpty. Operand 18 states. [2018-06-22 12:15:22,489 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 12:15:22,489 INFO ]: Found error trace [2018-06-22 12:15:22,489 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 12:15:22,490 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 12:15:22,493 INFO ]: Analyzing trace with hash 103148551, now seen corresponding path program 1 times [2018-06-22 12:15:22,494 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 12:15:22,495 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 12:15:22,527 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:15:22,527 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 12:15:22,527 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:15:22,539 INFO ]: Conjunction of SSA is unsat [2018-06-22 12:15:22,563 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 12:15:22,566 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 12:15:22,566 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 12:15:22,567 INFO ]: Interpolant automaton has 2 states [2018-06-22 12:15:22,583 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 12:15:22,583 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 12:15:22,585 INFO ]: Start difference. First operand 18 states. Second operand 2 states. [2018-06-22 12:15:22,611 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 12:15:22,611 INFO ]: Finished difference Result 16 states and 31 transitions. [2018-06-22 12:15:22,612 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 12:15:22,613 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 12:15:22,613 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 12:15:22,625 INFO ]: With dead ends: 16 [2018-06-22 12:15:22,625 INFO ]: Without dead ends: 16 [2018-06-22 12:15:22,630 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 12:15:22,648 INFO ]: Start minimizeSevpa. Operand 16 states. [2018-06-22 12:15:22,669 INFO ]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-06-22 12:15:22,671 INFO ]: Start removeUnreachable. Operand 16 states. [2018-06-22 12:15:22,673 INFO ]: Finished removeUnreachable. Reduced from 16 states to 16 states and 31 transitions. [2018-06-22 12:15:22,674 INFO ]: Start accepts. Automaton has 16 states and 31 transitions. Word has length 5 [2018-06-22 12:15:22,675 INFO ]: Finished accepts. word is rejected. [2018-06-22 12:15:22,675 INFO ]: Abstraction has 16 states and 31 transitions. [2018-06-22 12:15:22,675 INFO ]: Interpolant automaton has 2 states. [2018-06-22 12:15:22,675 INFO ]: Start isEmpty. Operand 16 states and 31 transitions. [2018-06-22 12:15:22,677 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 12:15:22,677 INFO ]: Found error trace [2018-06-22 12:15:22,677 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 12:15:22,677 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 12:15:22,677 INFO ]: Analyzing trace with hash 102761268, now seen corresponding path program 1 times [2018-06-22 12:15:22,677 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 12:15:22,677 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 12:15:22,679 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:15:22,679 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 12:15:22,679 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:15:22,708 INFO ]: Conjunction of SSA is sat [2018-06-22 12:15:22,710 INFO ]: Counterexample might be feasible [2018-06-22 12:15:22,726 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:15:22 BoogieIcfgContainer [2018-06-22 12:15:22,727 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 12:15:22,728 INFO ]: Toolchain (without parser) took 939.78 ms. Allocated memory is still 309.3 MB. Free memory was 260.9 MB in the beginning and 227.8 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 3.6 GB. [2018-06-22 12:15:22,729 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 309.3 MB. Free memory is still 274.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 12:15:22,730 INFO ]: ChcToBoogie took 61.45 ms. Allocated memory is still 309.3 MB. Free memory was 260.9 MB in the beginning and 257.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:15:22,730 INFO ]: Boogie Preprocessor took 54.06 ms. Allocated memory is still 309.3 MB. Free memory was 257.9 MB in the beginning and 256.9 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 3.6 GB. [2018-06-22 12:15:22,732 INFO ]: RCFGBuilder took 494.72 ms. Allocated memory is still 309.3 MB. Free memory was 256.9 MB in the beginning and 242.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:15:22,732 INFO ]: TraceAbstraction took 319.87 ms. Allocated memory is still 309.3 MB. Free memory was 241.9 MB in the beginning and 227.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 3.6 GB. [2018-06-22 12:15:22,737 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 309.3 MB. Free memory is still 274.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 61.45 ms. Allocated memory is still 309.3 MB. Free memory was 260.9 MB in the beginning and 257.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 54.06 ms. Allocated memory is still 309.3 MB. Free memory was 257.9 MB in the beginning and 256.9 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 3.6 GB. * RCFGBuilder took 494.72 ms. Allocated memory is still 309.3 MB. Free memory was 256.9 MB in the beginning and 242.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 319.87 ms. Allocated memory is still 309.3 MB. Free memory was 241.9 MB in the beginning and 227.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 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_5_Int == hbv_False_4_Int && hbv_False_3_Array_Int_Int[hbv_False_1_Int + hbv_False_2_Int + -1] == hbv_False_4_Int) && (if hbv_False_2_Int >= 0 then hbv_False_2_Int else -hbv_False_2_Int) > (if 0 >= 0 then 0 else -0)) && hbv_False_8_Array_Int_Int[skolem4(hbv_False_6_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_1_Int, hbv_False_7_Int, hbv_False_2_Int, hbv_False_8_Array_Int_Int, hbv_False_3_Array_Int_Int)] == hbv_False_3_Array_Int_Int[skolem4(hbv_False_6_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_1_Int, hbv_False_7_Int, hbv_False_2_Int, hbv_False_8_Array_Int_Int, hbv_False_3_Array_Int_Int)]) && hbv_False_7_Int == hbv_False_2_Int) && hbv_False_8_Array_Int_Int[hbv_False_6_Int + hbv_False_7_Int + -1] == hbv_False_5_Int) && !(0 == hbv_False_7_Int)) && hbv_False_6_Int == hbv_False_1_Int) && !(hbv_False_6_Int + hbv_False_7_Int + -1 == hbv_False_1_Int + hbv_False_2_Int + -1 && hbv_False_8_Array_Int_Int[hbv_False_9_Int] == hbv_False_3_Array_Int_Int[hbv_False_9_Int]); [L0] RET call False(); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 31 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=18occurred 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, 10 NumberOfCodeBlocks, 10 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/libc__memrchr_1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_12-15-22-752.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__memrchr_1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_12-15-22-752.csv Received shutdown request...