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/hopv/lia/termination/CE-0CFA00.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:38:35,065 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:38:35,067 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:38:35,079 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:38:35,079 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:38:35,080 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:38:35,081 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:38:35,083 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:38:35,084 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:38:35,085 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:38:35,086 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:38:35,086 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:38:35,087 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:38:35,090 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:38:35,091 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:38:35,091 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:38:35,093 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:38:35,095 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:38:35,097 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:38:35,098 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:38:35,099 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:38:35,101 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:38:35,102 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:38:35,102 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:38:35,103 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:38:35,104 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:38:35,105 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:38:35,105 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:38:35,106 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:38:35,107 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:38:35,107 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:38:35,108 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:38:35,109 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:38:35,109 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:38:35,110 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:38:35,110 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 11:38:35,124 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:38:35,124 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:38:35,125 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:38:35,125 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:38:35,126 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:38:35,126 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:38:35,127 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:38:35,127 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:38:35,127 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:38:35,127 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:38:35,128 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:38:35,128 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:38:35,128 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:38:35,129 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:38:35,129 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:38:35,129 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:38:35,129 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:38:35,129 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:38:35,130 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:38:35,131 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:38:35,131 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:38:35,184 INFO ]: Repository-Root is: /tmp [2018-06-22 11:38:35,203 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:38:35,209 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:38:35,211 INFO ]: Initializing SmtParser... [2018-06-22 11:38:35,211 INFO ]: SmtParser initialized [2018-06-22 11:38:35,212 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/CE-0CFA00.smt2 [2018-06-22 11:38:35,213 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 11:38:35,311 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/CE-0CFA00.smt2 unknown [2018-06-22 11:38:35,793 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/CE-0CFA00.smt2 [2018-06-22 11:38:35,799 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:38:35,804 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:38:35,805 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:38:35,805 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:38:35,805 INFO ]: ChcToBoogie initialized [2018-06-22 11:38:35,821 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:38:35" (1/1) ... [2018-06-22 11:38:35,875 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:35 Unit [2018-06-22 11:38:35,875 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:38:35,878 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:38:35,878 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:38:35,878 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:38:35,903 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:35" (1/1) ... [2018-06-22 11:38:35,903 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:35" (1/1) ... [2018-06-22 11:38:35,909 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:35" (1/1) ... [2018-06-22 11:38:35,909 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:35" (1/1) ... [2018-06-22 11:38:35,911 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:35" (1/1) ... [2018-06-22 11:38:35,915 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:35" (1/1) ... [2018-06-22 11:38:35,916 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:35" (1/1) ... [2018-06-22 11:38:35,918 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:38:35,918 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:38:35,918 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:38:35,918 INFO ]: RCFGBuilder initialized [2018-06-22 11:38:35,919 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:35" (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 11:38:35,930 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:38:35,930 INFO ]: Found specification of procedure False [2018-06-22 11:38:35,930 INFO ]: Found implementation of procedure False [2018-06-22 11:38:35,930 INFO ]: Specification and implementation of procedure failDLRunknownCLN25 given in one single declaration [2018-06-22 11:38:35,930 INFO ]: Found specification of procedure failDLRunknownCLN25 [2018-06-22 11:38:35,930 INFO ]: Found implementation of procedure failDLRunknownCLN25 [2018-06-22 11:38:35,930 INFO ]: Specification and implementation of procedure id_1030DLRunknownCLN29 given in one single declaration [2018-06-22 11:38:35,930 INFO ]: Found specification of procedure id_1030DLRunknownCLN29 [2018-06-22 11:38:35,930 INFO ]: Found implementation of procedure id_1030DLRunknownCLN29 [2018-06-22 11:38:35,930 INFO ]: Specification and implementation of procedure f_1034DLRunknownCLN10 given in one single declaration [2018-06-22 11:38:35,930 INFO ]: Found specification of procedure f_1034DLRunknownCLN10 [2018-06-22 11:38:35,930 INFO ]: Found implementation of procedure f_1034DLRunknownCLN10 [2018-06-22 11:38:35,930 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:38:35,930 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:38:35,930 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 11:38:36,258 INFO ]: Using library mode [2018-06-22 11:38:36,309 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:38:36 BoogieIcfgContainer [2018-06-22 11:38:36,309 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:38:36,310 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:38:36,310 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:38:36,319 INFO ]: TraceAbstraction initialized [2018-06-22 11:38:36,320 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:38:35" (1/3) ... [2018-06-22 11:38:36,321 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1802c7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:38:36, skipping insertion in model container [2018-06-22 11:38:36,321 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:35" (2/3) ... [2018-06-22 11:38:36,321 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1802c7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:38:36, skipping insertion in model container [2018-06-22 11:38:36,321 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:38:36" (3/3) ... [2018-06-22 11:38:36,323 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:38:36,332 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:38:36,340 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:38:36,400 INFO ]: Using default assertion order modulation [2018-06-22 11:38:36,401 INFO ]: Interprodecural is true [2018-06-22 11:38:36,401 INFO ]: Hoare is false [2018-06-22 11:38:36,401 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:38:36,401 INFO ]: Backedges is TWOTRACK [2018-06-22 11:38:36,401 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:38:36,401 INFO ]: Difference is false [2018-06-22 11:38:36,401 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:38:36,401 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:38:36,424 INFO ]: Start isEmpty. Operand 20 states. [2018-06-22 11:38:36,444 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:38:36,444 INFO ]: Found error trace [2018-06-22 11:38:36,445 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:38:36,445 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:38:36,449 INFO ]: Analyzing trace with hash 226673773, now seen corresponding path program 1 times [2018-06-22 11:38:36,450 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:38:36,450 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:38:36,482 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:38:36,482 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:38:36,482 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:38:36,496 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:38:36,515 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:38:36,517 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:38:36,517 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 11:38:36,518 INFO ]: Interpolant automaton has 2 states [2018-06-22 11:38:36,529 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 11:38:36,529 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:38:36,531 INFO ]: Start difference. First operand 20 states. Second operand 2 states. [2018-06-22 11:38:36,547 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:38:36,547 INFO ]: Finished difference Result 8 states and 7 transitions. [2018-06-22 11:38:36,547 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 11:38:36,548 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 11:38:36,549 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:38:36,554 INFO ]: With dead ends: 8 [2018-06-22 11:38:36,555 INFO ]: Without dead ends: 0 [2018-06-22 11:38:36,558 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 11:38:36,572 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 11:38:36,578 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 11:38:36,579 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 11:38:36,579 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 11:38:36,580 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2018-06-22 11:38:36,580 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:38:36,580 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 11:38:36,580 INFO ]: Interpolant automaton has 2 states. [2018-06-22 11:38:36,580 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 11:38:36,580 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 11:38:36,585 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:38:36 BoogieIcfgContainer [2018-06-22 11:38:36,585 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:38:36,585 INFO ]: Toolchain (without parser) took 785.75 ms. Allocated memory is still 305.7 MB. Free memory was 250.1 MB in the beginning and 222.1 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 3.6 GB. [2018-06-22 11:38:36,587 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.7 MB. Free memory is still 268.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:38:36,587 INFO ]: ChcToBoogie took 72.41 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 11:38:36,587 INFO ]: Boogie Preprocessor took 39.84 ms. Allocated memory is still 305.7 MB. Free memory was 248.1 MB in the beginning and 246.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:38:36,588 INFO ]: RCFGBuilder took 390.42 ms. Allocated memory is still 305.7 MB. Free memory was 246.1 MB in the beginning and 234.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:38:36,588 INFO ]: TraceAbstraction took 274.47 ms. Allocated memory is still 305.7 MB. Free memory was 234.1 MB in the beginning and 222.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:38:36,591 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 305.7 MB. Free memory is still 268.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 72.41 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. * Boogie Preprocessor took 39.84 ms. Allocated memory is still 305.7 MB. Free memory was 248.1 MB in the beginning and 246.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 390.42 ms. Allocated memory is still 305.7 MB. Free memory was 246.1 MB in the beginning and 234.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 274.47 ms. Allocated memory is still 305.7 MB. Free memory was 234.1 MB in the beginning and 222.1 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 5 procedures, 20 locations, 1 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 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=20occurred 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, 16 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/CE-0CFA00.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-38-36-602.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-0CFA00.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-38-36-602.csv Received shutdown request...