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/vmt-chc-benchmarks/lustre/SYNAPSE_2_e8_1118_e7_1043.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 20:09:40,264 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 20:09:40,267 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 20:09:40,281 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 20:09:40,282 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 20:09:40,283 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 20:09:40,284 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 20:09:40,290 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 20:09:40,292 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 20:09:40,293 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 20:09:40,293 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 20:09:40,294 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 20:09:40,294 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 20:09:40,297 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 20:09:40,298 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 20:09:40,298 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 20:09:40,308 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 20:09:40,310 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 20:09:40,311 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 20:09:40,312 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 20:09:40,315 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 20:09:40,317 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 20:09:40,317 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 20:09:40,317 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 20:09:40,318 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 20:09:40,318 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 20:09:40,322 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 20:09:40,323 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 20:09:40,324 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 20:09:40,324 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 20:09:40,325 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 20:09:40,325 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 20:09:40,325 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 20:09:40,330 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 20:09:40,331 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 20:09:40,331 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 20:09:40,353 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 20:09:40,353 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 20:09:40,354 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 20:09:40,354 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 20:09:40,355 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 20:09:40,355 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 20:09:40,356 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 20:09:40,356 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 20:09:40,356 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 20:09:40,356 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 20:09:40,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 20:09:40,357 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 20:09:40,357 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 20:09:40,357 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 20:09:40,357 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 20:09:40,358 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 20:09:40,358 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 20:09:40,359 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 20:09:40,359 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 20:09:40,360 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 20:09:40,360 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 20:09:40,400 INFO ]: Repository-Root is: /tmp [2018-06-22 20:09:40,414 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 20:09:40,421 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 20:09:40,422 INFO ]: Initializing SmtParser... [2018-06-22 20:09:40,423 INFO ]: SmtParser initialized [2018-06-22 20:09:40,423 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_2_e8_1118_e7_1043.smt2 [2018-06-22 20:09:40,424 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 20:09:40,500 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_2_e8_1118_e7_1043.smt2 unknown [2018-06-22 20:09:40,833 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_2_e8_1118_e7_1043.smt2 [2018-06-22 20:09:40,838 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 20:09:40,845 INFO ]: Walking toolchain with 4 elements. [2018-06-22 20:09:40,845 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 20:09:40,845 INFO ]: Initializing ChcToBoogie... [2018-06-22 20:09:40,845 INFO ]: ChcToBoogie initialized [2018-06-22 20:09:40,848 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:09:40" (1/1) ... [2018-06-22 20:09:40,894 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:09:40 Unit [2018-06-22 20:09:40,895 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 20:09:40,895 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 20:09:40,895 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 20:09:40,895 INFO ]: Boogie Preprocessor initialized [2018-06-22 20:09:40,916 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:09:40" (1/1) ... [2018-06-22 20:09:40,916 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:09:40" (1/1) ... [2018-06-22 20:09:40,924 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:09:40" (1/1) ... [2018-06-22 20:09:40,925 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:09:40" (1/1) ... [2018-06-22 20:09:40,929 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:09:40" (1/1) ... [2018-06-22 20:09:40,930 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:09:40" (1/1) ... [2018-06-22 20:09:40,932 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:09:40" (1/1) ... [2018-06-22 20:09:40,934 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 20:09:40,935 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 20:09:40,935 INFO ]: Initializing RCFGBuilder... [2018-06-22 20:09:40,935 INFO ]: RCFGBuilder initialized [2018-06-22 20:09:40,935 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:09:40" (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 20:09:40,947 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 20:09:40,947 INFO ]: Found specification of procedure False [2018-06-22 20:09:40,947 INFO ]: Found implementation of procedure False [2018-06-22 20:09:40,947 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 20:09:40,947 INFO ]: Found specification of procedure state [2018-06-22 20:09:40,947 INFO ]: Found implementation of procedure state [2018-06-22 20:09:40,947 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 20:09:40,947 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 20:09:40,947 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 20:09:41,340 INFO ]: Using library mode [2018-06-22 20:09:41,340 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:09:41 BoogieIcfgContainer [2018-06-22 20:09:41,341 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 20:09:41,342 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 20:09:41,342 INFO ]: Initializing TraceAbstraction... [2018-06-22 20:09:41,348 INFO ]: TraceAbstraction initialized [2018-06-22 20:09:41,348 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:09:40" (1/3) ... [2018-06-22 20:09:41,349 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cecd411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 08:09:41, skipping insertion in model container [2018-06-22 20:09:41,349 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:09:40" (2/3) ... [2018-06-22 20:09:41,349 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cecd411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 08:09:41, skipping insertion in model container [2018-06-22 20:09:41,349 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:09:41" (3/3) ... [2018-06-22 20:09:41,351 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 20:09:41,360 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 20:09:41,370 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 20:09:41,413 INFO ]: Using default assertion order modulation [2018-06-22 20:09:41,414 INFO ]: Interprodecural is true [2018-06-22 20:09:41,414 INFO ]: Hoare is false [2018-06-22 20:09:41,414 INFO ]: Compute interpolants for FPandBP [2018-06-22 20:09:41,414 INFO ]: Backedges is TWOTRACK [2018-06-22 20:09:41,414 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 20:09:41,414 INFO ]: Difference is false [2018-06-22 20:09:41,414 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 20:09:41,414 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 20:09:41,427 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 20:09:41,442 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 20:09:41,442 INFO ]: Found error trace [2018-06-22 20:09:41,443 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:09:41,443 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:09:41,448 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 20:09:41,450 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:09:41,451 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:09:41,485 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:09:41,485 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:09:41,485 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:09:41,552 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:09:41,774 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 20:09:41,776 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 20:09:41,776 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 20:09:41,778 INFO ]: Interpolant automaton has 4 states [2018-06-22 20:09:41,794 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 20:09:41,795 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 20:09:41,798 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 20:09:41,913 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 20:09:41,914 INFO ]: Finished difference Result 7 states and 8 transitions. [2018-06-22 20:09:41,914 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 20:09:41,915 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 20:09:41,916 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 20:09:41,923 INFO ]: With dead ends: 7 [2018-06-22 20:09:41,923 INFO ]: Without dead ends: 0 [2018-06-22 20:09:41,925 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 20:09:41,942 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 20:09:41,948 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 20:09:41,949 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 20:09:41,949 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 20:09:41,951 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-06-22 20:09:41,951 INFO ]: Finished accepts. word is rejected. [2018-06-22 20:09:41,951 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 20:09:41,951 INFO ]: Interpolant automaton has 4 states. [2018-06-22 20:09:41,951 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 20:09:41,951 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 20:09:41,956 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:09:41 BoogieIcfgContainer [2018-06-22 20:09:41,956 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 20:09:41,957 INFO ]: Toolchain (without parser) took 1118.57 ms. Allocated memory is still 305.7 MB. Free memory was 252.1 MB in the beginning and 212.1 MB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 3.6 GB. [2018-06-22 20:09:41,959 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 305.7 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 20:09:41,959 INFO ]: ChcToBoogie took 49.72 ms. Allocated memory is still 305.7 MB. Free memory was 252.1 MB in the beginning and 250.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:09:41,960 INFO ]: Boogie Preprocessor took 38.97 ms. Allocated memory is still 305.7 MB. Free memory was 250.1 MB in the beginning and 248.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:09:41,960 INFO ]: RCFGBuilder took 406.00 ms. Allocated memory is still 305.7 MB. Free memory was 248.1 MB in the beginning and 232.1 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:09:41,961 INFO ]: TraceAbstraction took 614.21 ms. Allocated memory is still 305.7 MB. Free memory was 230.1 MB in the beginning and 212.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:09:41,965 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 305.7 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 49.72 ms. Allocated memory is still 305.7 MB. Free memory was 252.1 MB in the beginning and 250.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 38.97 ms. Allocated memory is still 305.7 MB. Free memory was 250.1 MB in the beginning and 248.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 406.00 ms. Allocated memory is still 305.7 MB. Free memory was 248.1 MB in the beginning and 232.1 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 614.21 ms. Allocated memory is still 305.7 MB. Free memory was 230.1 MB in the beginning and 212.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 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, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 7 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 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_e7_1043.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_20-09-41-984.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/SYNAPSE_2_e8_1118_e7_1043.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_20-09-41-984.csv Received shutdown request...