java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC_wBE.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/hopv/lia/mochi/map.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 18:25:01,891 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 18:25:01,893 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 18:25:01,906 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 18:25:01,906 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 18:25:01,908 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 18:25:01,909 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 18:25:01,917 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 18:25:01,919 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 18:25:01,922 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 18:25:01,923 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 18:25:01,923 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 18:25:01,924 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 18:25:01,928 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 18:25:01,929 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 18:25:01,930 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 18:25:01,931 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 18:25:01,944 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 18:25:01,945 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 18:25:01,947 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 18:25:01,948 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 18:25:01,949 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 18:25:01,951 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-26 18:25:01,963 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 18:25:01,964 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 18:25:01,964 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 18:25:01,965 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 18:25:01,965 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 18:25:01,989 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 18:25:01,989 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 18:25:01,990 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 18:25:01,990 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 18:25:01,991 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 18:25:01,991 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 18:25:01,991 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 18:25:01,991 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 18:25:01,992 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 18:25:01,995 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 18:25:01,995 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 18:25:01,995 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 18:25:01,995 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 18:25:01,995 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 18:25:01,996 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 18:25:01,996 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 18:25:01,996 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 18:25:01,996 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 18:25:01,996 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 18:25:01,997 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 18:25:01,997 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 18:25:02,000 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 18:25:02,000 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 18:25:02,042 INFO ]: Repository-Root is: /tmp [2018-06-26 18:25:02,057 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 18:25:02,062 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 18:25:02,063 INFO ]: Initializing SmtParser... [2018-06-26 18:25:02,063 INFO ]: SmtParser initialized [2018-06-26 18:25:02,064 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/mochi/map.smt2 [2018-06-26 18:25:02,065 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 [2018-06-26 18:25:02,138 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/mochi/map.smt2 unknown [2018-06-26 18:25:02,254 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/mochi/map.smt2 [2018-06-26 18:25:02,259 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 18:25:02,269 INFO ]: Walking toolchain with 5 elements. [2018-06-26 18:25:02,270 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 18:25:02,270 INFO ]: Initializing ChcToBoogie... [2018-06-26 18:25:02,270 INFO ]: ChcToBoogie initialized [2018-06-26 18:25:02,273 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 06:25:02" (1/1) ... [2018-06-26 18:25:02,326 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:25:02 Unit [2018-06-26 18:25:02,326 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 18:25:02,327 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 18:25:02,327 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 18:25:02,327 INFO ]: Boogie Preprocessor initialized [2018-06-26 18:25:02,351 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:25:02" (1/1) ... [2018-06-26 18:25:02,351 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:25:02" (1/1) ... [2018-06-26 18:25:02,356 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:25:02" (1/1) ... [2018-06-26 18:25:02,356 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:25:02" (1/1) ... [2018-06-26 18:25:02,358 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:25:02" (1/1) ... [2018-06-26 18:25:02,360 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:25:02" (1/1) ... [2018-06-26 18:25:02,360 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:25:02" (1/1) ... [2018-06-26 18:25:02,362 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 18:25:02,363 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 18:25:02,363 INFO ]: Initializing RCFGBuilder... [2018-06-26 18:25:02,363 INFO ]: RCFGBuilder initialized [2018-06-26 18:25:02,363 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:25:02" (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) [2018-06-26 18:25:02,384 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 18:25:02,384 INFO ]: Found specification of procedure gotoProc [2018-06-26 18:25:02,384 INFO ]: Found implementation of procedure gotoProc [2018-06-26 18:25:02,384 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 18:25:02,384 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 18:25:02,384 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 [2018-06-26 18:25:02,512 INFO ]: Using library mode [2018-06-26 18:25:02,512 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:25:02 BoogieIcfgContainer [2018-06-26 18:25:02,513 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 18:25:02,513 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 18:25:02,513 INFO ]: Initializing BlockEncodingV2... [2018-06-26 18:25:02,514 INFO ]: BlockEncodingV2 initialized [2018-06-26 18:25:02,514 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:25:02" (1/1) ... [2018-06-26 18:25:02,530 INFO ]: Initial Icfg 10 locations, 11 edges [2018-06-26 18:25:02,531 INFO ]: Using Remove infeasible edges [2018-06-26 18:25:02,531 INFO ]: Using Maximize final states [2018-06-26 18:25:02,532 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 18:25:02,532 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 18:25:02,534 INFO ]: Using Remove sink states [2018-06-26 18:25:02,535 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 18:25:02,535 INFO ]: Using Use SBE [2018-06-26 18:25:02,540 INFO ]: SBE split 0 edges [2018-06-26 18:25:02,545 INFO ]: Removed 3 edges and 2 locations because of local infeasibility [2018-06-26 18:25:02,547 INFO ]: 0 new accepting states [2018-06-26 18:25:02,575 INFO ]: Removed 4 edges and 2 locations by large block encoding [2018-06-26 18:25:02,577 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:25:02,581 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 18:25:02,581 INFO ]: 0 new accepting states [2018-06-26 18:25:02,581 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 18:25:02,581 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:25:02,582 INFO ]: Encoded RCFG 6 locations, 6 edges [2018-06-26 18:25:02,582 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 06:25:02 BasicIcfg [2018-06-26 18:25:02,582 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 18:25:02,585 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 18:25:02,585 INFO ]: Initializing TraceAbstraction... [2018-06-26 18:25:02,600 INFO ]: TraceAbstraction initialized [2018-06-26 18:25:02,600 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 06:25:02" (1/4) ... [2018-06-26 18:25:02,601 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a52bb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 06:25:02, skipping insertion in model container [2018-06-26 18:25:02,601 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:25:02" (2/4) ... [2018-06-26 18:25:02,601 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a52bb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 06:25:02, skipping insertion in model container [2018-06-26 18:25:02,601 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:25:02" (3/4) ... [2018-06-26 18:25:02,602 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a52bb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 06:25:02, skipping insertion in model container [2018-06-26 18:25:02,602 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 06:25:02" (4/4) ... [2018-06-26 18:25:02,603 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 18:25:02,613 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 18:25:02,620 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 18:25:02,694 INFO ]: Using default assertion order modulation [2018-06-26 18:25:02,704 INFO ]: Interprodecural is true [2018-06-26 18:25:02,704 INFO ]: Hoare is false [2018-06-26 18:25:02,704 INFO ]: Compute interpolants for FPandBP [2018-06-26 18:25:02,704 INFO ]: Backedges is TWOTRACK [2018-06-26 18:25:02,704 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 18:25:02,704 INFO ]: Difference is false [2018-06-26 18:25:02,704 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 18:25:02,704 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 18:25:02,726 INFO ]: Start isEmpty. Operand 6 states. [2018-06-26 18:25:02,737 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 18:25:02,737 INFO ]: Found error trace [2018-06-26 18:25:02,738 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 18:25:02,738 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:25:02,741 INFO ]: Analyzing trace with hash 35433345, now seen corresponding path program 1 times [2018-06-26 18:25:02,743 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:25:02,743 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:25:02,774 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:25:02,774 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:25:02,774 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:25:02,804 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:25:02,883 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 18:25:02,885 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 18:25:02,885 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 18:25:02,886 INFO ]: Interpolant automaton has 3 states [2018-06-26 18:25:02,897 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 18:25:02,898 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:25:02,899 INFO ]: Start difference. First operand 6 states. Second operand 3 states. [2018-06-26 18:25:02,947 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:25:02,947 INFO ]: Finished difference Result 3 states and 3 transitions. [2018-06-26 18:25:02,949 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 18:25:02,950 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 18:25:02,950 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:25:02,959 INFO ]: With dead ends: 3 [2018-06-26 18:25:02,959 INFO ]: Without dead ends: 0 [2018-06-26 18:25:02,961 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:25:02,972 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-26 18:25:02,976 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-26 18:25:02,977 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-26 18:25:02,977 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-26 18:25:02,978 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2018-06-26 18:25:02,978 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:25:02,978 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-26 18:25:02,978 INFO ]: Interpolant automaton has 3 states. [2018-06-26 18:25:02,978 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-26 18:25:02,979 INFO ]: Finished isEmpty. No accepting run. [2018-06-26 18:25:02,981 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 18:25:02,982 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 06:25:02 BasicIcfg [2018-06-26 18:25:02,982 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 18:25:02,983 INFO ]: Toolchain (without parser) took 723.52 ms. Allocated memory is still 307.2 MB. Free memory was 263.8 MB in the beginning and 237.8 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 3.6 GB. [2018-06-26 18:25:02,985 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 307.2 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 18:25:02,985 INFO ]: ChcToBoogie took 56.64 ms. Allocated memory is still 307.2 MB. Free memory was 263.8 MB in the beginning and 261.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:25:02,986 INFO ]: Boogie Preprocessor took 35.08 ms. Allocated memory is still 307.2 MB. Free memory was 261.8 MB in the beginning and 259.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:25:02,986 INFO ]: RCFGBuilder took 150.01 ms. Allocated memory is still 307.2 MB. Free memory was 259.8 MB in the beginning and 253.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:25:02,987 INFO ]: BlockEncodingV2 took 69.22 ms. Allocated memory is still 307.2 MB. Free memory was 253.8 MB in the beginning and 251.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:25:02,988 INFO ]: TraceAbstraction took 397.32 ms. Allocated memory is still 307.2 MB. Free memory was 251.8 MB in the beginning and 237.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:25:02,993 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 11 edges - StatisticsResult: Encoded RCFG 6 locations, 6 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 307.2 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 56.64 ms. Allocated memory is still 307.2 MB. Free memory was 263.8 MB in the beginning and 261.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 35.08 ms. Allocated memory is still 307.2 MB. Free memory was 261.8 MB in the beginning and 259.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 150.01 ms. Allocated memory is still 307.2 MB. Free memory was 259.8 MB in the beginning and 253.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 69.22 ms. Allocated memory is still 307.2 MB. Free memory was 253.8 MB in the beginning and 251.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 397.32 ms. Allocated memory is still 307.2 MB. Free memory was 251.8 MB in the beginning and 237.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 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, 6 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 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/map.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_18-25-03-011.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/map.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_18-25-03-011.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/map.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_18-25-03-011.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/map.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_18-25-03-011.csv Received shutdown request...