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/coreutils__remove.array.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:42:10,166 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:42:10,168 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:42:10,180 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:42:10,181 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:42:10,181 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:42:10,186 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:42:10,188 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:42:10,189 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:42:10,192 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:42:10,193 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:42:10,193 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:42:10,194 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:42:10,197 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:42:10,198 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:42:10,199 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:42:10,212 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:42:10,214 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:42:10,215 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:42:10,216 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:42:10,217 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:42:10,222 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:42:10,222 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:42:10,222 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:42:10,223 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:42:10,224 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:42:10,225 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:42:10,225 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:42:10,230 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:42:10,231 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:42:10,231 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:42:10,232 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:42:10,232 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:42:10,233 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:42:10,234 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:42:10,235 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 11:42:10,256 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:42:10,257 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:42:10,257 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:42:10,257 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:42:10,258 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:42:10,258 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:42:10,258 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:42:10,260 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:42:10,260 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:42:10,260 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:42:10,260 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:42:10,260 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:42:10,261 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:42:10,261 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:42:10,261 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:42:10,261 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:42:10,261 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:42:10,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:42:10,262 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:42:10,263 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:42:10,264 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:42:10,307 INFO ]: Repository-Root is: /tmp [2018-06-22 11:42:10,322 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:42:10,327 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:42:10,328 INFO ]: Initializing SmtParser... [2018-06-22 11:42:10,328 INFO ]: SmtParser initialized [2018-06-22 11:42:10,329 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/arrays/coreutils__remove.array.smt2 [2018-06-22 11:42:10,330 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 11:42:10,418 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/arrays/coreutils__remove.array.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@99be5f2 [2018-06-22 11:42:10,856 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/arrays/coreutils__remove.array.smt2 [2018-06-22 11:42:10,861 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:42:10,867 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:42:10,867 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:42:10,868 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:42:10,868 INFO ]: ChcToBoogie initialized [2018-06-22 11:42:10,871 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:42:10" (1/1) ... [2018-06-22 11:42:10,926 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:42:10 Unit [2018-06-22 11:42:10,926 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:42:10,927 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:42:10,927 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:42:10,927 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:42:10,950 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:42:10" (1/1) ... [2018-06-22 11:42:10,950 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:42:10" (1/1) ... [2018-06-22 11:42:10,963 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:42:10" (1/1) ... [2018-06-22 11:42:10,963 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:42:10" (1/1) ... [2018-06-22 11:42:10,977 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:42:10" (1/1) ... [2018-06-22 11:42:10,989 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:42:10" (1/1) ... [2018-06-22 11:42:10,991 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:42:10" (1/1) ... [2018-06-22 11:42:10,994 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:42:10,994 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:42:10,994 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:42:10,994 INFO ]: RCFGBuilder initialized [2018-06-22 11:42:10,995 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:42:10" (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 11:42:11,019 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:42:11,019 INFO ]: Found specification of procedure False [2018-06-22 11:42:11,019 INFO ]: Found implementation of procedure False [2018-06-22 11:42:11,019 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:42:11,019 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:42:11,019 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 11:42:11,646 INFO ]: Using library mode [2018-06-22 11:42:11,647 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:42:11 BoogieIcfgContainer [2018-06-22 11:42:11,647 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:42:11,648 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:42:11,648 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:42:11,655 INFO ]: TraceAbstraction initialized [2018-06-22 11:42:11,655 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:42:10" (1/3) ... [2018-06-22 11:42:11,656 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae93710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:42:11, skipping insertion in model container [2018-06-22 11:42:11,656 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:42:10" (2/3) ... [2018-06-22 11:42:11,656 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae93710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:42:11, skipping insertion in model container [2018-06-22 11:42:11,656 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:42:11" (3/3) ... [2018-06-22 11:42:11,658 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:42:11,667 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:42:11,677 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:42:11,729 INFO ]: Using default assertion order modulation [2018-06-22 11:42:11,729 INFO ]: Interprodecural is true [2018-06-22 11:42:11,729 INFO ]: Hoare is false [2018-06-22 11:42:11,729 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:42:11,729 INFO ]: Backedges is TWOTRACK [2018-06-22 11:42:11,729 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:42:11,729 INFO ]: Difference is false [2018-06-22 11:42:11,729 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:42:11,729 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:42:11,748 INFO ]: Start isEmpty. Operand 8 states. [2018-06-22 11:42:11,760 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:42:11,760 INFO ]: Found error trace [2018-06-22 11:42:11,763 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:42:11,763 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:42:11,769 INFO ]: Analyzing trace with hash 166497839, now seen corresponding path program 1 times [2018-06-22 11:42:11,771 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:42:11,771 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:42:11,809 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:42:11,809 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:42:11,809 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:42:11,822 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:42:11,849 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:42:11,851 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:42:11,851 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 11:42:11,853 INFO ]: Interpolant automaton has 2 states [2018-06-22 11:42:11,869 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 11:42:11,869 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:42:11,872 INFO ]: Start difference. First operand 8 states. Second operand 2 states. [2018-06-22 11:42:11,901 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:42:11,901 INFO ]: Finished difference Result 6 states and 6 transitions. [2018-06-22 11:42:11,901 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 11:42:11,902 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 11:42:11,902 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:42:11,911 INFO ]: With dead ends: 6 [2018-06-22 11:42:11,911 INFO ]: Without dead ends: 6 [2018-06-22 11:42:11,913 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 11:42:11,930 INFO ]: Start minimizeSevpa. Operand 6 states. [2018-06-22 11:42:11,957 INFO ]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-06-22 11:42:11,958 INFO ]: Start removeUnreachable. Operand 6 states. [2018-06-22 11:42:11,958 INFO ]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-06-22 11:42:11,959 INFO ]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 5 [2018-06-22 11:42:11,960 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:42:11,960 INFO ]: Abstraction has 6 states and 6 transitions. [2018-06-22 11:42:11,960 INFO ]: Interpolant automaton has 2 states. [2018-06-22 11:42:11,960 INFO ]: Start isEmpty. Operand 6 states and 6 transitions. [2018-06-22 11:42:11,960 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:42:11,960 INFO ]: Found error trace [2018-06-22 11:42:11,960 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:42:11,960 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:42:11,960 INFO ]: Analyzing trace with hash 168046971, now seen corresponding path program 1 times [2018-06-22 11:42:11,960 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:42:11,960 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:42:11,961 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:42:11,961 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:42:11,961 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:42:11,992 INFO ]: Conjunction of SSA is sat [2018-06-22 11:42:11,996 INFO ]: Counterexample might be feasible [2018-06-22 11:42:12,016 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:42:12 BoogieIcfgContainer [2018-06-22 11:42:12,016 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:42:12,017 INFO ]: Toolchain (without parser) took 1155.04 ms. Allocated memory is still 305.7 MB. Free memory was 251.1 MB in the beginning and 217.7 MB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 3.6 GB. [2018-06-22 11:42:12,019 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 305.7 MB. Free memory is still 271.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:42:12,021 INFO ]: ChcToBoogie took 59.05 ms. Allocated memory is still 305.7 MB. Free memory was 251.1 MB in the beginning and 248.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:42:12,021 INFO ]: Boogie Preprocessor took 66.82 ms. Allocated memory is still 305.7 MB. Free memory was 248.1 MB in the beginning and 247.1 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 11:42:12,022 INFO ]: RCFGBuilder took 652.64 ms. Allocated memory is still 305.7 MB. Free memory was 247.1 MB in the beginning and 232.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:42:12,022 INFO ]: TraceAbstraction took 367.84 ms. Allocated memory is still 305.7 MB. Free memory was 232.1 MB in the beginning and 217.7 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 3.6 GB. [2018-06-22 11:42:12,028 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 305.7 MB. Free memory is still 271.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 59.05 ms. Allocated memory is still 305.7 MB. Free memory was 251.1 MB in the beginning and 248.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 66.82 ms. Allocated memory is still 305.7 MB. Free memory was 248.1 MB in the beginning and 247.1 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 652.64 ms. Allocated memory is still 305.7 MB. Free memory was 247.1 MB in the beginning and 232.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 367.84 ms. Allocated memory is still 305.7 MB. Free memory was 232.1 MB in the beginning and 217.7 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 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_10_Int >= 0 && hbv_False_7_Int >= 0) && hbv_False_4_Int >= 0) && hbv_False_5_Int >= 0) && !(hbv_False_13_Int == -1)) && !(0 <= hbv_False_13_Int)) && hbv_False_12_Array_Int_Int[skolem11(hbv_False_7_Int, hbv_False_1_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_10_Int, hbv_False_4_Int, hbv_False_11_Int, hbv_False_12_Array_Int_Int, hbv_False_13_Int, hbv_False_14_Int, hbv_False_15_Int, hbv_False_3_Int, hbv_False_6_Int, hbv_False_2_Int, hbv_False_5_Int, hbv_False_16_Array_Int_Int)] == hbv_False_16_Array_Int_Int[skolem11(hbv_False_7_Int, hbv_False_1_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_10_Int, hbv_False_4_Int, hbv_False_11_Int, hbv_False_12_Array_Int_Int, hbv_False_13_Int, hbv_False_14_Int, hbv_False_15_Int, hbv_False_3_Int, hbv_False_6_Int, hbv_False_2_Int, hbv_False_5_Int, hbv_False_16_Array_Int_Int)]) && hbv_False_3_Int >= 0) && hbv_False_11_Int == hbv_False_8_Int) && hbv_False_2_Int == -1 - hbv_False_6_Int) && hbv_False_9_Int == hbv_False_10_Int) && !(hbv_False_6_Int == -1)) && hbv_False_9_Int >= 0) && hbv_False_15_Int == hbv_False_14_Int) && hbv_False_7_Int == hbv_False_5_Int) && hbv_False_6_Int == hbv_False_13_Int) && !(0 <= hbv_False_6_Int)) && hbv_False_3_Int == hbv_False_4_Int) && !(hbv_False_12_Array_Int_Int[hbv_False_9_Int := -1 - hbv_False_6_Int] == hbv_False_16_Array_Int_Int[hbv_False_10_Int := hbv_False_2_Int] && -1 == -1)) && hbv_False_1_Int == hbv_False_2_Int; [L0] RET call False(); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 8 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 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=8occurred 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/coreutils__remove.array.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-42-12-045.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/coreutils__remove.array.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-42-12-045.csv Received shutdown request...