java -Xss4m -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/vmt-chc-benchmarks/lustre/SYNAPSE_2_e8_1118.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 17:33:02,874 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 17:33:02,876 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 17:33:02,892 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 17:33:02,892 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 17:33:02,893 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 17:33:02,895 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 17:33:02,897 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 17:33:02,899 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 17:33:02,900 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 17:33:02,901 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 17:33:02,901 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 17:33:02,904 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 17:33:02,905 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 17:33:02,906 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 17:33:02,907 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 17:33:02,912 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 17:33:02,926 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 17:33:02,928 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 17:33:02,929 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 17:33:02,930 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 17:33:02,938 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 17:33:02,938 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 17:33:02,938 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 17:33:02,939 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 17:33:02,940 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 17:33:02,941 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 17:33:02,941 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 17:33:02,942 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 17:33:02,943 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 17:33:02,943 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 17:33:02,944 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 17:33:02,944 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 17:33:02,945 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 17:33:02,948 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 17:33:02,949 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 17:33:02,966 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 17:33:02,966 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 17:33:02,966 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 17:33:02,967 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 17:33:02,968 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 17:33:02,968 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 17:33:02,968 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 17:33:02,968 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 17:33:02,969 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 17:33:02,969 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 17:33:02,969 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 17:33:02,969 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 17:33:02,969 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 17:33:02,970 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 17:33:02,971 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 17:33:02,971 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 17:33:02,971 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 17:33:02,971 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 17:33:02,971 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 17:33:02,972 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 17:33:02,972 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 17:33:02,973 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 17:33:02,974 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 17:33:03,011 INFO ]: Repository-Root is: /tmp [2018-06-25 17:33:03,031 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 17:33:03,035 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 17:33:03,036 INFO ]: Initializing SmtParser... [2018-06-25 17:33:03,037 INFO ]: SmtParser initialized [2018-06-25 17:33:03,037 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_2_e8_1118.smt2 [2018-06-25 17:33:03,039 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 [2018-06-25 17:33:03,158 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_2_e8_1118.smt2 unknown [2018-06-25 17:33:03,540 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_2_e8_1118.smt2 [2018-06-25 17:33:03,545 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 17:33:03,551 INFO ]: Walking toolchain with 4 elements. [2018-06-25 17:33:03,552 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 17:33:03,552 INFO ]: Initializing ChcToBoogie... [2018-06-25 17:33:03,552 INFO ]: ChcToBoogie initialized [2018-06-25 17:33:03,555 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 05:33:03" (1/1) ... [2018-06-25 17:33:03,643 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:33:03 Unit [2018-06-25 17:33:03,643 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 17:33:03,644 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 17:33:03,644 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 17:33:03,644 INFO ]: Boogie Preprocessor initialized [2018-06-25 17:33:03,670 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:33:03" (1/1) ... [2018-06-25 17:33:03,670 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:33:03" (1/1) ... [2018-06-25 17:33:03,685 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:33:03" (1/1) ... [2018-06-25 17:33:03,686 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:33:03" (1/1) ... [2018-06-25 17:33:03,703 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:33:03" (1/1) ... [2018-06-25 17:33:03,704 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:33:03" (1/1) ... [2018-06-25 17:33:03,706 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:33:03" (1/1) ... [2018-06-25 17:33:03,709 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 17:33:03,710 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 17:33:03,710 INFO ]: Initializing RCFGBuilder... [2018-06-25 17:33:03,710 INFO ]: RCFGBuilder initialized [2018-06-25 17:33:03,711 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:33:03" (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 [2018-06-25 17:33:03,734 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 17:33:03,734 INFO ]: Found specification of procedure gotoProc [2018-06-25 17:33:03,734 INFO ]: Found implementation of procedure gotoProc [2018-06-25 17:33:03,734 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 17:33:03,734 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 17:33:03,734 INFO ]: Found implementation of procedure Ultimate.START [2018-06-25 17:33:04,163 INFO ]: Using library mode [2018-06-25 17:33:04,164 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 05:33:04 BoogieIcfgContainer [2018-06-25 17:33:04,164 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 17:33:04,165 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 17:33:04,165 INFO ]: Initializing TraceAbstraction... [2018-06-25 17:33:04,171 INFO ]: TraceAbstraction initialized [2018-06-25 17:33:04,171 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 05:33:03" (1/3) ... [2018-06-25 17:33:04,172 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465e9c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 05:33:04, skipping insertion in model container [2018-06-25 17:33:04,172 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:33:03" (2/3) ... [2018-06-25 17:33:04,172 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465e9c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 05:33:04, skipping insertion in model container [2018-06-25 17:33:04,172 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 05:33:04" (3/3) ... [2018-06-25 17:33:04,174 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 17:33:04,184 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 17:33:04,195 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 17:33:04,255 INFO ]: Using default assertion order modulation [2018-06-25 17:33:04,256 INFO ]: Interprodecural is true [2018-06-25 17:33:04,256 INFO ]: Hoare is false [2018-06-25 17:33:04,256 INFO ]: Compute interpolants for FPandBP [2018-06-25 17:33:04,256 INFO ]: Backedges is TWOTRACK [2018-06-25 17:33:04,256 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 17:33:04,256 INFO ]: Difference is false [2018-06-25 17:33:04,256 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 17:33:04,256 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 17:33:04,273 INFO ]: Start isEmpty. Operand 10 states. [2018-06-25 17:33:04,289 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 17:33:04,289 INFO ]: Found error trace [2018-06-25 17:33:04,290 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 17:33:04,290 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 17:33:04,296 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-25 17:33:04,298 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 17:33:04,298 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 17:33:04,350 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 17:33:04,350 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 17:33:04,350 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 17:33:04,425 INFO ]: Conjunction of SSA is unsat [2018-06-25 17:33:04,588 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 17:33:04,590 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 17:33:04,591 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 17:33:04,594 INFO ]: Interpolant automaton has 3 states [2018-06-25 17:33:04,611 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 17:33:04,611 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 17:33:04,614 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-25 17:33:04,689 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 17:33:04,689 INFO ]: Finished difference Result 4 states and 3 transitions. [2018-06-25 17:33:04,691 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 17:33:04,693 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 17:33:04,693 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 17:33:04,705 INFO ]: With dead ends: 4 [2018-06-25 17:33:04,705 INFO ]: Without dead ends: 0 [2018-06-25 17:33:04,708 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 [2018-06-25 17:33:04,732 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-25 17:33:04,746 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-25 17:33:04,748 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-25 17:33:04,748 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-25 17:33:04,749 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-06-25 17:33:04,749 INFO ]: Finished accepts. word is rejected. [2018-06-25 17:33:04,749 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-25 17:33:04,756 INFO ]: Interpolant automaton has 3 states. [2018-06-25 17:33:04,756 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-25 17:33:04,756 INFO ]: Finished isEmpty. No accepting run. [2018-06-25 17:33:04,763 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 05:33:04 BoogieIcfgContainer [2018-06-25 17:33:04,763 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 17:33:04,764 INFO ]: Toolchain (without parser) took 1217.97 ms. Allocated memory is still 308.8 MB. Free memory was 255.2 MB in the beginning and 213.3 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 3.6 GB. [2018-06-25 17:33:04,766 INFO ]: SmtParser took 0.11 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 17:33:04,767 INFO ]: ChcToBoogie took 91.47 ms. Allocated memory is still 308.8 MB. Free memory was 255.2 MB in the beginning and 253.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 17:33:04,768 INFO ]: Boogie Preprocessor took 65.53 ms. Allocated memory is still 308.8 MB. Free memory was 253.2 MB in the beginning and 251.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 17:33:04,768 INFO ]: RCFGBuilder took 454.29 ms. Allocated memory is still 308.8 MB. Free memory was 251.2 MB in the beginning and 229.3 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. [2018-06-25 17:33:04,769 INFO ]: TraceAbstraction took 597.74 ms. Allocated memory is still 308.8 MB. Free memory was 229.3 MB in the beginning and 213.3 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 3.6 GB. [2018-06-25 17:33:04,774 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.11 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 91.47 ms. Allocated memory is still 308.8 MB. Free memory was 255.2 MB in the beginning and 253.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 65.53 ms. Allocated memory is still 308.8 MB. Free memory was 253.2 MB in the beginning and 251.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 454.29 ms. Allocated memory is still 308.8 MB. Free memory was 251.2 MB in the beginning and 229.3 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 597.74 ms. Allocated memory is still 308.8 MB. Free memory was 229.3 MB in the beginning and 213.3 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 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, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 0 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=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, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 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/SYNAPSE_2_e8_1118.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_17-33-04-797.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/SYNAPSE_2_e8_1118.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_17-33-04-797.csv Received shutdown request...