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/sally-chc-benchmarks/lfht/lfht_2_mini_cleaned.lemma2a.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 12:24:34,730 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 12:24:34,732 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 12:24:34,744 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 12:24:34,744 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 12:24:34,746 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 12:24:34,747 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 12:24:34,751 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 12:24:34,753 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 12:24:34,754 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 12:24:34,755 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 12:24:34,756 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 12:24:34,757 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 12:24:34,758 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 12:24:34,759 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 12:24:34,759 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 12:24:34,764 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 12:24:34,765 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 12:24:34,778 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 12:24:34,779 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 12:24:34,780 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 12:24:34,782 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 12:24:34,782 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 12:24:34,782 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 12:24:34,783 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 12:24:34,784 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 12:24:34,785 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 12:24:34,785 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 12:24:34,786 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 12:24:34,786 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 12:24:34,787 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 12:24:34,795 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 12:24:34,796 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 12:24:34,797 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 12:24:34,798 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 12:24:34,798 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 12:24:34,813 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 12:24:34,813 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 12:24:34,814 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 12:24:34,814 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 12:24:34,815 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 12:24:34,815 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 12:24:34,815 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 12:24:34,815 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 12:24:34,816 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 12:24:34,816 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 12:24:34,816 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 12:24:34,816 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 12:24:34,816 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 12:24:34,817 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 12:24:34,817 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 12:24:34,818 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 12:24:34,818 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 12:24:34,818 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 12:24:34,818 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 12:24:34,820 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 12:24:34,820 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 12:24:34,863 INFO ]: Repository-Root is: /tmp [2018-06-22 12:24:34,881 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 12:24:34,888 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 12:24:34,890 INFO ]: Initializing SmtParser... [2018-06-22 12:24:34,890 INFO ]: SmtParser initialized [2018-06-22 12:24:34,891 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2_mini_cleaned.lemma2a.smt2 [2018-06-22 12:24:34,893 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 12:24:34,990 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2_mini_cleaned.lemma2a.smt2 unknown [2018-06-22 12:24:35,366 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2_mini_cleaned.lemma2a.smt2 [2018-06-22 12:24:35,370 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 12:24:35,376 INFO ]: Walking toolchain with 4 elements. [2018-06-22 12:24:35,376 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 12:24:35,376 INFO ]: Initializing ChcToBoogie... [2018-06-22 12:24:35,377 INFO ]: ChcToBoogie initialized [2018-06-22 12:24:35,380 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:24:35" (1/1) ... [2018-06-22 12:24:35,436 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:24:35 Unit [2018-06-22 12:24:35,436 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 12:24:35,437 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 12:24:35,437 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 12:24:35,437 INFO ]: Boogie Preprocessor initialized [2018-06-22 12:24:35,458 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:24:35" (1/1) ... [2018-06-22 12:24:35,458 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:24:35" (1/1) ... [2018-06-22 12:24:35,470 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:24:35" (1/1) ... [2018-06-22 12:24:35,470 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:24:35" (1/1) ... [2018-06-22 12:24:35,488 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:24:35" (1/1) ... [2018-06-22 12:24:35,489 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:24:35" (1/1) ... [2018-06-22 12:24:35,500 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:24:35" (1/1) ... [2018-06-22 12:24:35,503 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 12:24:35,504 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 12:24:35,504 INFO ]: Initializing RCFGBuilder... [2018-06-22 12:24:35,504 INFO ]: RCFGBuilder initialized [2018-06-22 12:24:35,505 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:24:35" (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 12:24:35,542 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 12:24:35,542 INFO ]: Found specification of procedure False [2018-06-22 12:24:35,543 INFO ]: Found implementation of procedure False [2018-06-22 12:24:35,543 INFO ]: Specification and implementation of procedure invariant given in one single declaration [2018-06-22 12:24:35,543 INFO ]: Found specification of procedure invariant [2018-06-22 12:24:35,543 INFO ]: Found implementation of procedure invariant [2018-06-22 12:24:35,543 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 12:24:35,543 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 12:24:35,543 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 12:24:35,862 INFO ]: Using library mode [2018-06-22 12:24:35,863 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:24:35 BoogieIcfgContainer [2018-06-22 12:24:35,863 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 12:24:35,865 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 12:24:35,865 INFO ]: Initializing TraceAbstraction... [2018-06-22 12:24:35,867 INFO ]: TraceAbstraction initialized [2018-06-22 12:24:35,868 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:24:35" (1/3) ... [2018-06-22 12:24:35,868 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a411f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 12:24:35, skipping insertion in model container [2018-06-22 12:24:35,869 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:24:35" (2/3) ... [2018-06-22 12:24:35,869 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a411f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 12:24:35, skipping insertion in model container [2018-06-22 12:24:35,869 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:24:35" (3/3) ... [2018-06-22 12:24:35,875 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 12:24:35,882 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 12:24:35,888 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 12:24:35,928 INFO ]: Using default assertion order modulation [2018-06-22 12:24:35,929 INFO ]: Interprodecural is true [2018-06-22 12:24:35,929 INFO ]: Hoare is false [2018-06-22 12:24:35,929 INFO ]: Compute interpolants for FPandBP [2018-06-22 12:24:35,929 INFO ]: Backedges is TWOTRACK [2018-06-22 12:24:35,929 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 12:24:35,929 INFO ]: Difference is false [2018-06-22 12:24:35,929 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 12:24:35,929 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 12:24:35,940 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 12:24:35,954 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 12:24:35,954 INFO ]: Found error trace [2018-06-22 12:24:35,955 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 12:24:35,955 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 12:24:35,961 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 12:24:35,963 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 12:24:35,963 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 12:24:35,996 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:24:35,996 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 12:24:35,996 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:24:36,013 INFO ]: Conjunction of SSA is unsat [2018-06-22 12:24:36,068 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 12:24:36,070 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 12:24:36,070 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 12:24:36,075 INFO ]: Interpolant automaton has 2 states [2018-06-22 12:24:36,093 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 12:24:36,094 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 12:24:36,096 INFO ]: Start difference. First operand 13 states. Second operand 2 states. [2018-06-22 12:24:36,116 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 12:24:36,116 INFO ]: Finished difference Result 6 states and 6 transitions. [2018-06-22 12:24:36,116 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 12:24:36,117 INFO ]: Start accepts. Automaton has 2 states. Word has length 9 [2018-06-22 12:24:36,118 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 12:24:36,128 INFO ]: With dead ends: 6 [2018-06-22 12:24:36,128 INFO ]: Without dead ends: 0 [2018-06-22 12:24:36,130 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 12:24:36,148 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 12:24:36,152 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 12:24:36,153 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 12:24:36,153 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 12:24:36,154 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-06-22 12:24:36,154 INFO ]: Finished accepts. word is rejected. [2018-06-22 12:24:36,154 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 12:24:36,154 INFO ]: Interpolant automaton has 2 states. [2018-06-22 12:24:36,154 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 12:24:36,154 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 12:24:36,161 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:24:36 BoogieIcfgContainer [2018-06-22 12:24:36,161 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 12:24:36,162 INFO ]: Toolchain (without parser) took 791.29 ms. Allocated memory is still 306.7 MB. Free memory was 255.1 MB in the beginning and 221.1 MB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:24:36,165 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 306.7 MB. Free memory is still 271.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 12:24:36,165 INFO ]: ChcToBoogie took 59.84 ms. Allocated memory is still 306.7 MB. Free memory was 253.1 MB in the beginning and 251.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:24:36,166 INFO ]: Boogie Preprocessor took 66.84 ms. Allocated memory is still 306.7 MB. Free memory was 251.1 MB in the beginning and 249.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:24:36,166 INFO ]: RCFGBuilder took 359.24 ms. Allocated memory is still 306.7 MB. Free memory was 249.1 MB in the beginning and 233.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:24:36,167 INFO ]: TraceAbstraction took 296.58 ms. Allocated memory is still 306.7 MB. Free memory was 233.2 MB in the beginning and 221.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:24:36,176 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 306.7 MB. Free memory is still 271.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 59.84 ms. Allocated memory is still 306.7 MB. Free memory was 253.1 MB in the beginning and 251.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 66.84 ms. Allocated memory is still 306.7 MB. Free memory was 251.1 MB in the beginning and 249.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 359.24 ms. Allocated memory is still 306.7 MB. Free memory was 249.1 MB in the beginning and 233.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 296.58 ms. Allocated memory is still 306.7 MB. Free memory was 233.2 MB in the beginning and 221.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 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 3 procedures, 13 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 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=13occurred 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_12-24-36-189.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lfht_2_mini_cleaned.lemma2a.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_12-24-36-189.csv Received shutdown request...