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_Goto.epf -i /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2_mini_cleaned.lemma2a.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 02:38:28,221 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 02:38:28,223 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 02:38:28,237 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 02:38:28,237 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 02:38:28,238 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 02:38:28,242 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 02:38:28,244 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 02:38:28,246 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 02:38:28,247 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 02:38:28,249 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 02:38:28,249 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 02:38:28,250 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 02:38:28,251 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 02:38:28,254 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 02:38:28,255 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 02:38:28,258 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 02:38:28,259 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 02:38:28,270 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 02:38:28,271 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 02:38:28,272 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 02:38:28,274 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 02:38:28,274 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 02:38:28,274 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 02:38:28,278 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 02:38:28,280 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 02:38:28,280 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 02:38:28,281 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 02:38:28,286 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 02:38:28,286 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 02:38:28,287 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 02:38:28,288 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 02:38:28,288 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 02:38:28,291 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 02:38:28,292 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 02:38:28,292 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 02:38:28,316 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 02:38:28,316 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 02:38:28,317 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 02:38:28,317 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 02:38:28,319 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 02:38:28,319 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 02:38:28,319 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 02:38:28,319 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 02:38:28,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 02:38:28,320 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 02:38:28,320 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 02:38:28,320 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 02:38:28,320 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 02:38:28,320 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 02:38:28,320 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 02:38:28,321 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 02:38:28,321 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 02:38:28,323 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 02:38:28,323 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 02:38:28,378 INFO ]: Repository-Root is: /tmp [2018-06-22 02:38:28,395 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 02:38:28,401 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 02:38:28,402 INFO ]: Initializing SmtParser... [2018-06-22 02:38:28,402 INFO ]: SmtParser initialized [2018-06-22 02:38:28,403 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2_mini_cleaned.lemma2a.smt2 [2018-06-22 02:38:28,405 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 02:38:28,487 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2_mini_cleaned.lemma2a.smt2 unknown [2018-06-22 02:38:28,864 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2_mini_cleaned.lemma2a.smt2 [2018-06-22 02:38:28,870 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 02:38:28,876 INFO ]: Walking toolchain with 4 elements. [2018-06-22 02:38:28,877 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 02:38:28,877 INFO ]: Initializing ChcToBoogie... [2018-06-22 02:38:28,877 INFO ]: ChcToBoogie initialized [2018-06-22 02:38:28,881 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 02:38:28" (1/1) ... [2018-06-22 02:38:28,955 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:38:28 Unit [2018-06-22 02:38:28,955 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 02:38:28,956 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 02:38:28,956 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 02:38:28,956 INFO ]: Boogie Preprocessor initialized [2018-06-22 02:38:28,978 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:38:28" (1/1) ... [2018-06-22 02:38:28,978 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:38:28" (1/1) ... [2018-06-22 02:38:28,987 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:38:28" (1/1) ... [2018-06-22 02:38:28,987 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:38:28" (1/1) ... [2018-06-22 02:38:29,006 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:38:28" (1/1) ... [2018-06-22 02:38:29,008 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:38:28" (1/1) ... [2018-06-22 02:38:29,019 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:38:28" (1/1) ... [2018-06-22 02:38:29,022 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 02:38:29,023 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 02:38:29,023 INFO ]: Initializing RCFGBuilder... [2018-06-22 02:38:29,023 INFO ]: RCFGBuilder initialized [2018-06-22 02:38:29,024 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:38:28" (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 02:38:29,053 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 02:38:29,053 INFO ]: Found specification of procedure gotoProc [2018-06-22 02:38:29,053 INFO ]: Found implementation of procedure gotoProc [2018-06-22 02:38:29,053 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 02:38:29,053 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 02:38:29,053 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 02:38:29,438 INFO ]: Using library mode [2018-06-22 02:38:29,439 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:38:29 BoogieIcfgContainer [2018-06-22 02:38:29,439 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 02:38:29,440 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 02:38:29,440 INFO ]: Initializing TraceAbstraction... [2018-06-22 02:38:29,447 INFO ]: TraceAbstraction initialized [2018-06-22 02:38:29,447 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 02:38:28" (1/3) ... [2018-06-22 02:38:29,448 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2571b184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 02:38:29, skipping insertion in model container [2018-06-22 02:38:29,448 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:38:28" (2/3) ... [2018-06-22 02:38:29,448 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2571b184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:38:29, skipping insertion in model container [2018-06-22 02:38:29,449 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:38:29" (3/3) ... [2018-06-22 02:38:29,451 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 02:38:29,460 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 02:38:29,470 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 02:38:29,510 INFO ]: Using default assertion order modulation [2018-06-22 02:38:29,511 INFO ]: Interprodecural is true [2018-06-22 02:38:29,511 INFO ]: Hoare is false [2018-06-22 02:38:29,511 INFO ]: Compute interpolants for FPandBP [2018-06-22 02:38:29,511 INFO ]: Backedges is TWOTRACK [2018-06-22 02:38:29,511 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 02:38:29,511 INFO ]: Difference is false [2018-06-22 02:38:29,511 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 02:38:29,511 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 02:38:29,528 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 02:38:29,546 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 02:38:29,546 INFO ]: Found error trace [2018-06-22 02:38:29,547 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 02:38:29,547 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 02:38:29,553 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-22 02:38:29,555 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 02:38:29,555 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 02:38:29,595 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:38:29,595 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 02:38:29,595 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:38:29,632 INFO ]: Conjunction of SSA is unsat [2018-06-22 02:38:29,676 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 02:38:29,678 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 02:38:29,679 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 02:38:29,681 INFO ]: Interpolant automaton has 2 states [2018-06-22 02:38:29,698 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 02:38:29,698 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 02:38:29,701 INFO ]: Start difference. First operand 10 states. Second operand 2 states. [2018-06-22 02:38:29,720 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 02:38:29,720 INFO ]: Finished difference Result 3 states and 2 transitions. [2018-06-22 02:38:29,720 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 02:38:29,721 INFO ]: Start accepts. Automaton has 2 states. Word has length 7 [2018-06-22 02:38:29,721 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 02:38:29,729 INFO ]: With dead ends: 3 [2018-06-22 02:38:29,729 INFO ]: Without dead ends: 0 [2018-06-22 02:38:29,734 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 02:38:29,753 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 02:38:29,761 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 02:38:29,763 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 02:38:29,763 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 02:38:29,764 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-06-22 02:38:29,764 INFO ]: Finished accepts. word is rejected. [2018-06-22 02:38:29,764 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 02:38:29,764 INFO ]: Interpolant automaton has 2 states. [2018-06-22 02:38:29,764 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 02:38:29,764 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 02:38:29,791 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:38:29 BoogieIcfgContainer [2018-06-22 02:38:29,791 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 02:38:29,793 INFO ]: Toolchain (without parser) took 922.15 ms. Allocated memory is still 308.8 MB. Free memory was 257.2 MB in the beginning and 221.8 MB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 3.6 GB. [2018-06-22 02:38:29,794 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 02:38:29,795 INFO ]: ChcToBoogie took 78.51 ms. Allocated memory is still 308.8 MB. Free memory was 256.2 MB in the beginning and 254.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:38:29,795 INFO ]: Boogie Preprocessor took 66.47 ms. Allocated memory is still 308.8 MB. Free memory was 254.2 MB in the beginning and 252.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:38:29,806 INFO ]: RCFGBuilder took 415.89 ms. Allocated memory is still 308.8 MB. Free memory was 252.2 MB in the beginning and 234.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 3.6 GB. [2018-06-22 02:38:29,807 INFO ]: TraceAbstraction took 351.32 ms. Allocated memory is still 308.8 MB. Free memory was 234.9 MB in the beginning and 221.8 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:38:29,810 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 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 78.51 ms. Allocated memory is still 308.8 MB. Free memory was 256.2 MB in the beginning and 254.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 66.47 ms. Allocated memory is still 308.8 MB. Free memory was 254.2 MB in the beginning and 252.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 415.89 ms. Allocated memory is still 308.8 MB. Free memory was 252.2 MB in the beginning and 234.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 351.32 ms. Allocated memory is still 308.8 MB. Free memory was 234.9 MB in the beginning and 221.8 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 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=10occurred 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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 correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lfht_2_mini_cleaned.lemma2a.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_02-38-29-827.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lfht_2_mini_cleaned.lemma2a.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_02-38-29-827.csv Received shutdown request...