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/DRAGON_13_e7_2336_e8_1940.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:25:45,035 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:25:45,037 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:25:45,049 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:25:45,049 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:25:45,050 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:25:45,051 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:25:45,053 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:25:45,054 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:25:45,055 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:25:45,056 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:25:45,056 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:25:45,057 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:25:45,058 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:25:45,059 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:25:45,059 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:25:45,064 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:25:45,065 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:25:45,068 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:25:45,069 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:25:45,070 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:25:45,072 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:25:45,072 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:25:45,073 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:25:45,073 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:25:45,074 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:25:45,075 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:25:45,075 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:25:45,077 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:25:45,077 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:25:45,077 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:25:45,078 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:25:45,078 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:25:45,079 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:25:45,080 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:25:45,080 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 16:25:45,093 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:25:45,093 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:25:45,093 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:25:45,094 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:25:45,094 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:25:45,095 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:25:45,095 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:25:45,095 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:25:45,095 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:25:45,096 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:25:45,096 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:25:45,096 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:25:45,096 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:25:45,096 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:25:45,097 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:25:45,097 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:25:45,097 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:25:45,097 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:25:45,097 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:25:45,099 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:25:45,099 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:25:45,137 INFO ]: Repository-Root is: /tmp [2018-06-22 16:25:45,154 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:25:45,157 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:25:45,159 INFO ]: Initializing SmtParser... [2018-06-22 16:25:45,159 INFO ]: SmtParser initialized [2018-06-22 16:25:45,160 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_13_e7_2336_e8_1940.smt2 [2018-06-22 16:25:45,161 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 16:25:45,258 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_13_e7_2336_e8_1940.smt2 unknown [2018-06-22 16:25:45,871 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_13_e7_2336_e8_1940.smt2 [2018-06-22 16:25:45,876 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:25:45,883 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:25:45,883 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:25:45,883 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:25:45,883 INFO ]: ChcToBoogie initialized [2018-06-22 16:25:45,886 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:25:45" (1/1) ... [2018-06-22 16:25:45,974 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:45 Unit [2018-06-22 16:25:45,974 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:25:45,975 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:25:45,975 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:25:45,975 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:25:45,993 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:45" (1/1) ... [2018-06-22 16:25:45,993 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:45" (1/1) ... [2018-06-22 16:25:46,005 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:45" (1/1) ... [2018-06-22 16:25:46,005 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:45" (1/1) ... [2018-06-22 16:25:46,021 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:45" (1/1) ... [2018-06-22 16:25:46,022 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:45" (1/1) ... [2018-06-22 16:25:46,027 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:45" (1/1) ... [2018-06-22 16:25:46,034 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:25:46,034 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:25:46,034 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:25:46,034 INFO ]: RCFGBuilder initialized [2018-06-22 16:25:46,035 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:45" (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 [2018-06-22 16:25:46,053 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:25:46,053 INFO ]: Found specification of procedure False [2018-06-22 16:25:46,053 INFO ]: Found implementation of procedure False [2018-06-22 16:25:46,053 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:25:46,053 INFO ]: Found specification of procedure state [2018-06-22 16:25:46,053 INFO ]: Found implementation of procedure state [2018-06-22 16:25:46,053 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:25:46,053 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:25:46,053 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 16:25:46,601 INFO ]: Using library mode [2018-06-22 16:25:46,602 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:25:46 BoogieIcfgContainer [2018-06-22 16:25:46,603 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:25:46,604 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:25:46,604 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:25:46,610 INFO ]: TraceAbstraction initialized [2018-06-22 16:25:46,610 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:25:45" (1/3) ... [2018-06-22 16:25:46,611 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aadea95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:25:46, skipping insertion in model container [2018-06-22 16:25:46,611 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:45" (2/3) ... [2018-06-22 16:25:46,611 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aadea95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:25:46, skipping insertion in model container [2018-06-22 16:25:46,611 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:25:46" (3/3) ... [2018-06-22 16:25:46,613 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:25:46,621 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:25:46,631 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:25:46,663 INFO ]: Using default assertion order modulation [2018-06-22 16:25:46,663 INFO ]: Interprodecural is true [2018-06-22 16:25:46,664 INFO ]: Hoare is false [2018-06-22 16:25:46,664 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:25:46,664 INFO ]: Backedges is TWOTRACK [2018-06-22 16:25:46,664 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:25:46,664 INFO ]: Difference is false [2018-06-22 16:25:46,664 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:25:46,664 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:25:46,675 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:25:46,684 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:25:46,684 INFO ]: Found error trace [2018-06-22 16:25:46,685 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:25:46,685 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:25:46,689 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:25:46,690 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:25:46,691 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:25:46,720 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:25:46,720 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:25:46,720 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:25:46,864 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:25:47,107 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:25:47,109 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:25:47,109 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:25:47,110 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:25:47,120 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:25:47,121 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:25:47,122 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:25:47,272 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:25:47,273 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:25:47,274 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:25:47,275 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:25:47,275 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:25:47,287 INFO ]: With dead ends: 13 [2018-06-22 16:25:47,288 INFO ]: Without dead ends: 13 [2018-06-22 16:25:47,289 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 16:25:47,307 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:25:47,329 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:25:47,331 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:25:47,331 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:25:47,333 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:25:47,333 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:25:47,333 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:25:47,333 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:25:47,333 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:25:47,334 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:25:47,334 INFO ]: Found error trace [2018-06-22 16:25:47,334 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:25:47,335 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:25:47,335 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:25:47,335 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:25:47,335 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:25:47,335 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:25:47,335 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:25:47,335 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:25:47,466 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:25:49,277 WARN ]: Spent 1.40 s on a formula simplification. DAG size of input: 145 DAG size of output: 100 [2018-06-22 16:25:49,354 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:25:49,355 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:25:49,355 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:25:49,397 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:25:49,544 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:25:49,558 INFO ]: Computing forward predicates... [2018-06-22 16:25:49,855 WARN ]: expecting exponential blowup for input size 27 Received shutdown request... [2018-06-22 16:26:42,743 INFO ]: Timeout while computing interpolants [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Forcibly destroying the process [2018-06-22 16:26:42,944 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:26:42,944 WARN ]: Verification canceled [2018-06-22 16:26:43,077 WARN ]: Timeout [2018-06-22 16:26:43,077 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:26:43 BoogieIcfgContainer [2018-06-22 16:26:43,077 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:26:43,086 INFO ]: Toolchain (without parser) took 57209.63 ms. Allocated memory was 303.6 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 226.2 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:26:43,087 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 303.6 MB. Free memory is still 269.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:26:43,089 INFO ]: ChcToBoogie took 91.77 ms. Allocated memory is still 303.6 MB. Free memory was 226.2 MB in the beginning and 223.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:26:43,089 INFO ]: Boogie Preprocessor took 58.64 ms. Allocated memory is still 303.6 MB. Free memory was 223.2 MB in the beginning and 220.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:26:43,090 INFO ]: RCFGBuilder took 568.24 ms. Allocated memory was 303.6 MB in the beginning and 324.5 MB in the end (delta: 21.0 MB). Free memory was 220.1 MB in the beginning and 285.9 MB in the end (delta: -65.8 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:26:43,090 INFO ]: TraceAbstraction took 56473.40 ms. Allocated memory was 324.5 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 285.9 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:26:43,100 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 303.6 MB. Free memory is still 269.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 91.77 ms. Allocated memory is still 303.6 MB. Free memory was 226.2 MB in the beginning and 223.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 58.64 ms. Allocated memory is still 303.6 MB. Free memory was 223.2 MB in the beginning and 220.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 568.24 ms. Allocated memory was 303.6 MB in the beginning and 324.5 MB in the end (delta: 21.0 MB). Free memory was 220.1 MB in the beginning and 285.9 MB in the end (delta: -65.8 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 56473.40 ms. Allocated memory was 324.5 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 285.9 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 27 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 56.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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, 0.1s 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 could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_13_e7_2336_e8_1940.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-26-43-207.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_13_e7_2336_e8_1940.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-26-43-207.csv Completed graceful shutdown