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/arrays/libc__memmem_1.array.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:43:58,508 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:43:58,510 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:43:58,524 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:43:58,525 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:43:58,526 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:43:58,527 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:43:58,528 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:43:58,530 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:43:58,531 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:43:58,532 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:43:58,533 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:43:58,533 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:43:58,534 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:43:58,537 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:43:58,538 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:43:58,540 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:43:58,549 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:43:58,550 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:43:58,551 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:43:58,552 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:43:58,556 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:43:58,557 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:43:58,557 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:43:58,558 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:43:58,558 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:43:58,559 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:43:58,560 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:43:58,562 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:43:58,562 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:43:58,563 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:43:58,563 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:43:58,564 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:43:58,564 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:43:58,569 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:43:58,569 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 11:43:58,587 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:43:58,587 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:43:58,588 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:43:58,588 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:43:58,589 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:43:58,590 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:43:58,590 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:43:58,590 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:43:58,590 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:43:58,590 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:43:58,591 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:43:58,591 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:43:58,591 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:43:58,591 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:43:58,591 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:43:58,591 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:43:58,592 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:43:58,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:43:58,592 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:43:58,594 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:43:58,594 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:43:58,640 INFO ]: Repository-Root is: /tmp [2018-06-22 11:43:58,654 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:43:58,657 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:43:58,658 INFO ]: Initializing SmtParser... [2018-06-22 11:43:58,659 INFO ]: SmtParser initialized [2018-06-22 11:43:58,659 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/arrays/libc__memmem_1.array.smt2 [2018-06-22 11:43:58,660 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 11:43:58,730 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/arrays/libc__memmem_1.array.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@2c6bf745 [2018-06-22 11:43:59,024 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/arrays/libc__memmem_1.array.smt2 [2018-06-22 11:43:59,029 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:43:59,035 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:43:59,035 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:43:59,035 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:43:59,036 INFO ]: ChcToBoogie initialized [2018-06-22 11:43:59,039 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:43:59" (1/1) ... [2018-06-22 11:43:59,095 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:43:59 Unit [2018-06-22 11:43:59,096 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:43:59,097 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:43:59,097 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:43:59,097 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:43:59,119 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:43:59" (1/1) ... [2018-06-22 11:43:59,119 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:43:59" (1/1) ... [2018-06-22 11:43:59,140 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:43:59" (1/1) ... [2018-06-22 11:43:59,140 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:43:59" (1/1) ... [2018-06-22 11:43:59,144 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:43:59" (1/1) ... [2018-06-22 11:43:59,146 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:43:59" (1/1) ... [2018-06-22 11:43:59,154 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:43:59" (1/1) ... [2018-06-22 11:43:59,156 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:43:59,157 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:43:59,157 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:43:59,157 INFO ]: RCFGBuilder initialized [2018-06-22 11:43:59,158 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:43:59" (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 11:43:59,178 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:43:59,178 INFO ]: Found specification of procedure False [2018-06-22 11:43:59,178 INFO ]: Found implementation of procedure False [2018-06-22 11:43:59,178 INFO ]: Specification and implementation of procedure INV_MAIN_42 given in one single declaration [2018-06-22 11:43:59,178 INFO ]: Found specification of procedure INV_MAIN_42 [2018-06-22 11:43:59,178 INFO ]: Found implementation of procedure INV_MAIN_42 [2018-06-22 11:43:59,178 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:43:59,178 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:43:59,178 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 11:43:59,594 INFO ]: Using library mode [2018-06-22 11:43:59,595 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:43:59 BoogieIcfgContainer [2018-06-22 11:43:59,595 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:43:59,604 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:43:59,604 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:43:59,607 INFO ]: TraceAbstraction initialized [2018-06-22 11:43:59,608 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:43:59" (1/3) ... [2018-06-22 11:43:59,608 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70aba79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:43:59, skipping insertion in model container [2018-06-22 11:43:59,609 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:43:59" (2/3) ... [2018-06-22 11:43:59,609 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70aba79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:43:59, skipping insertion in model container [2018-06-22 11:43:59,609 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:43:59" (3/3) ... [2018-06-22 11:43:59,610 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:43:59,622 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:43:59,632 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:43:59,675 INFO ]: Using default assertion order modulation [2018-06-22 11:43:59,675 INFO ]: Interprodecural is true [2018-06-22 11:43:59,675 INFO ]: Hoare is false [2018-06-22 11:43:59,675 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:43:59,675 INFO ]: Backedges is TWOTRACK [2018-06-22 11:43:59,675 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:43:59,675 INFO ]: Difference is false [2018-06-22 11:43:59,675 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:43:59,675 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:43:59,688 INFO ]: Start isEmpty. Operand 18 states. [2018-06-22 11:43:59,696 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:43:59,696 INFO ]: Found error trace [2018-06-22 11:43:59,697 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:43:59,697 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:43:59,701 INFO ]: Analyzing trace with hash 78086769, now seen corresponding path program 1 times [2018-06-22 11:43:59,703 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:43:59,703 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:43:59,735 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:43:59,735 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:43:59,735 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:43:59,750 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:43:59,777 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:43:59,784 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:43:59,784 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 11:43:59,786 INFO ]: Interpolant automaton has 2 states [2018-06-22 11:43:59,801 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 11:43:59,802 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:43:59,804 INFO ]: Start difference. First operand 18 states. Second operand 2 states. [2018-06-22 11:43:59,834 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:43:59,834 INFO ]: Finished difference Result 16 states and 28 transitions. [2018-06-22 11:43:59,834 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 11:43:59,835 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 11:43:59,836 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:43:59,851 INFO ]: With dead ends: 16 [2018-06-22 11:43:59,851 INFO ]: Without dead ends: 16 [2018-06-22 11:43:59,853 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 11:43:59,870 INFO ]: Start minimizeSevpa. Operand 16 states. [2018-06-22 11:43:59,893 INFO ]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-06-22 11:43:59,894 INFO ]: Start removeUnreachable. Operand 16 states. [2018-06-22 11:43:59,895 INFO ]: Finished removeUnreachable. Reduced from 16 states to 16 states and 28 transitions. [2018-06-22 11:43:59,896 INFO ]: Start accepts. Automaton has 16 states and 28 transitions. Word has length 5 [2018-06-22 11:43:59,897 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:43:59,897 INFO ]: Abstraction has 16 states and 28 transitions. [2018-06-22 11:43:59,897 INFO ]: Interpolant automaton has 2 states. [2018-06-22 11:43:59,897 INFO ]: Start isEmpty. Operand 16 states and 28 transitions. [2018-06-22 11:43:59,898 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:43:59,899 INFO ]: Found error trace [2018-06-22 11:43:59,899 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:43:59,899 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:43:59,899 INFO ]: Analyzing trace with hash 78205933, now seen corresponding path program 1 times [2018-06-22 11:43:59,899 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:43:59,899 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:43:59,900 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:43:59,900 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:43:59,900 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:43:59,935 INFO ]: Conjunction of SSA is sat [2018-06-22 11:43:59,938 INFO ]: Counterexample might be feasible [2018-06-22 11:43:59,956 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:43:59 BoogieIcfgContainer [2018-06-22 11:43:59,956 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:43:59,958 INFO ]: Toolchain (without parser) took 929.16 ms. Allocated memory is still 309.3 MB. Free memory was 262.7 MB in the beginning and 230.8 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:43:59,960 INFO ]: SmtParser took 0.05 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:43:59,960 INFO ]: ChcToBoogie took 61.14 ms. Allocated memory is still 309.3 MB. Free memory was 261.7 MB in the beginning and 259.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:43:59,961 INFO ]: Boogie Preprocessor took 59.26 ms. Allocated memory is still 309.3 MB. Free memory was 259.7 MB in the beginning and 258.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 11:43:59,963 INFO ]: RCFGBuilder took 438.48 ms. Allocated memory is still 309.3 MB. Free memory was 258.7 MB in the beginning and 245.8 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:43:59,963 INFO ]: TraceAbstraction took 352.36 ms. Allocated memory is still 309.3 MB. Free memory was 245.8 MB in the beginning and 230.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:43:59,971 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.05 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 61.14 ms. Allocated memory is still 309.3 MB. Free memory was 261.7 MB in the beginning and 259.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 59.26 ms. Allocated memory is still 309.3 MB. Free memory was 259.7 MB in the beginning and 258.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 438.48 ms. Allocated memory is still 309.3 MB. Free memory was 258.7 MB in the beginning and 245.8 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 352.36 ms. Allocated memory is still 309.3 MB. Free memory was 245.8 MB in the beginning and 230.8 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 >= 0 && hbv_False_2_Int == hbv_False_8_Int) && !(hbv_False_9_Array_Int_Int == hbv_False_10_Array_Int_Int && 0 == 0)) && (if hbv_False_5_Int >= 0 then hbv_False_5_Int else -hbv_False_5_Int) < (if hbv_False_6_Int >= 0 then hbv_False_6_Int else -hbv_False_6_Int)) && hbv_False_9_Array_Int_Int[skolem2(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_Array_Int_Int, hbv_False_10_Array_Int_Int)] == hbv_False_10_Array_Int_Int[skolem2(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_Array_Int_Int, hbv_False_10_Array_Int_Int)]) && hbv_False_5_Int >= 0) && (if hbv_False_4_Int >= 0 then hbv_False_4_Int else -hbv_False_4_Int) > (if hbv_False_1_Int >= 0 then hbv_False_1_Int else -hbv_False_1_Int)) && hbv_False_6_Int >= 0) && hbv_False_3_Int >= 0) && hbv_False_3_Int == hbv_False_7_Int) && hbv_False_6_Int == hbv_False_4_Int) && hbv_False_5_Int == hbv_False_1_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: 28 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__memmem_1.array.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-43-59-990.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__memmem_1.array.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-43-59-990.csv Received shutdown request...