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_4_e3_1540_e1_5048.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:46:57,074 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:46:57,076 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:46:57,088 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:46:57,089 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:46:57,090 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:46:57,091 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:46:57,093 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:46:57,095 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:46:57,096 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:46:57,097 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:46:57,097 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:46:57,098 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:46:57,099 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:46:57,100 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:46:57,101 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:46:57,103 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:46:57,105 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:46:57,106 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:46:57,108 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:46:57,109 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:46:57,111 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:46:57,112 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:46:57,112 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:46:57,113 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:46:57,114 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:46:57,115 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:46:57,115 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:46:57,117 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:46:57,117 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:46:57,117 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:46:57,118 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:46:57,119 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:46:57,120 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:46:57,120 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:46:57,121 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 16:46:57,134 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:46:57,135 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:46:57,135 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:46:57,135 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:46:57,137 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:46:57,137 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:46:57,137 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:46:57,138 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:46:57,138 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:46:57,138 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:46:57,138 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:46:57,139 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:46:57,139 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:46:57,139 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:46:57,140 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:46:57,140 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:46:57,140 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:46:57,140 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:46:57,140 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:46:57,142 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:46:57,142 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:46:57,181 INFO ]: Repository-Root is: /tmp [2018-06-22 16:46:57,196 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:46:57,201 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:46:57,202 INFO ]: Initializing SmtParser... [2018-06-22 16:46:57,203 INFO ]: SmtParser initialized [2018-06-22 16:46:57,203 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e3_1540_e1_5048.smt2 [2018-06-22 16:46:57,204 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 16:46:57,279 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e3_1540_e1_5048.smt2 unknown [2018-06-22 16:46:57,918 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e3_1540_e1_5048.smt2 [2018-06-22 16:46:57,931 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:46:57,936 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:46:57,937 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:46:57,937 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:46:57,937 INFO ]: ChcToBoogie initialized [2018-06-22 16:46:57,940 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:46:57" (1/1) ... [2018-06-22 16:46:58,043 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:58 Unit [2018-06-22 16:46:58,044 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:46:58,044 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:46:58,044 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:46:58,044 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:46:58,070 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:58" (1/1) ... [2018-06-22 16:46:58,070 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:58" (1/1) ... [2018-06-22 16:46:58,098 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:58" (1/1) ... [2018-06-22 16:46:58,098 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:58" (1/1) ... [2018-06-22 16:46:58,120 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:58" (1/1) ... [2018-06-22 16:46:58,121 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:58" (1/1) ... [2018-06-22 16:46:58,125 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:58" (1/1) ... [2018-06-22 16:46:58,138 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:46:58,138 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:46:58,138 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:46:58,138 INFO ]: RCFGBuilder initialized [2018-06-22 16:46:58,139 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:58" (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 16:46:58,157 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:46:58,157 INFO ]: Found specification of procedure False [2018-06-22 16:46:58,157 INFO ]: Found implementation of procedure False [2018-06-22 16:46:58,157 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:46:58,157 INFO ]: Found specification of procedure state [2018-06-22 16:46:58,157 INFO ]: Found implementation of procedure state [2018-06-22 16:46:58,157 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:46:58,157 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:46:58,157 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 16:46:58,676 INFO ]: Using library mode [2018-06-22 16:46:58,676 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:46:58 BoogieIcfgContainer [2018-06-22 16:46:58,677 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:46:58,679 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:46:58,679 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:46:58,682 INFO ]: TraceAbstraction initialized [2018-06-22 16:46:58,682 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:46:57" (1/3) ... [2018-06-22 16:46:58,683 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44af0132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:46:58, skipping insertion in model container [2018-06-22 16:46:58,683 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:46:58" (2/3) ... [2018-06-22 16:46:58,684 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44af0132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:46:58, skipping insertion in model container [2018-06-22 16:46:58,684 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:46:58" (3/3) ... [2018-06-22 16:46:58,686 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:46:58,696 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:46:58,710 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:46:58,762 INFO ]: Using default assertion order modulation [2018-06-22 16:46:58,763 INFO ]: Interprodecural is true [2018-06-22 16:46:58,763 INFO ]: Hoare is false [2018-06-22 16:46:58,763 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:46:58,763 INFO ]: Backedges is TWOTRACK [2018-06-22 16:46:58,763 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:46:58,763 INFO ]: Difference is false [2018-06-22 16:46:58,763 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:46:58,763 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:46:58,784 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:46:58,794 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:46:58,795 INFO ]: Found error trace [2018-06-22 16:46:58,795 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:46:58,796 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:46:58,801 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:46:58,803 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:46:58,803 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:46:58,842 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:46:58,843 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:46:58,843 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:46:58,987 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:46:59,303 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:46:59,305 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:46:59,305 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:46:59,306 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:46:59,316 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:46:59,317 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:46:59,318 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:46:59,473 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:46:59,473 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:46:59,474 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:46:59,475 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:46:59,475 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:46:59,483 INFO ]: With dead ends: 13 [2018-06-22 16:46:59,483 INFO ]: Without dead ends: 13 [2018-06-22 16:46:59,485 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 16:46:59,497 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:46:59,520 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:46:59,521 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:46:59,522 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:46:59,523 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:46:59,523 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:46:59,523 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:46:59,523 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:46:59,523 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:46:59,525 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:46:59,525 INFO ]: Found error trace [2018-06-22 16:46:59,525 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:46:59,525 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:46:59,526 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:46:59,526 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:46:59,526 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:46:59,526 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:46:59,526 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:46:59,527 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:46:59,632 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:47:00,760 WARN ]: Spent 806.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 52 [2018-06-22 16:47:00,919 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:47:00,919 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:47:00,920 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 16:47:00,928 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:47:01,099 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:47:01,114 INFO ]: Computing forward predicates... [2018-06-22 16:47:03,663 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:47:04,185 WARN ]: Simplifying disjunction of 31104 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:48:14,209 INFO ]: Timeout while computing interpolants [2018-06-22 16:48:14,410 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:48:14,410 WARN ]: Verification canceled [2018-06-22 16:48:14,415 WARN ]: Timeout [2018-06-22 16:48:14,415 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:48:14 BoogieIcfgContainer [2018-06-22 16:48:14,415 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:48:14,417 INFO ]: Toolchain (without parser) took 76484.24 ms. Allocated memory was 306.7 MB in the beginning and 1.1 GB in the end (delta: 836.2 MB). Free memory was 230.1 MB in the beginning and 1.0 GB in the end (delta: -772.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 3.6 GB. [2018-06-22 16:48:14,417 INFO ]: SmtParser took 0.05 ms. Allocated memory is still 306.7 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:48:14,418 INFO ]: ChcToBoogie took 106.92 ms. Allocated memory is still 306.7 MB. Free memory was 230.1 MB in the beginning and 227.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:48:14,418 INFO ]: Boogie Preprocessor took 93.56 ms. Allocated memory is still 306.7 MB. Free memory was 227.2 MB in the beginning and 225.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:48:14,418 INFO ]: RCFGBuilder took 538.26 ms. Allocated memory was 306.7 MB in the beginning and 329.3 MB in the end (delta: 22.5 MB). Free memory was 225.2 MB in the beginning and 291.9 MB in the end (delta: -66.7 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:48:14,419 INFO ]: TraceAbstraction took 75736.53 ms. Allocated memory was 329.3 MB in the beginning and 1.1 GB in the end (delta: 813.7 MB). Free memory was 291.9 MB in the beginning and 1.0 GB in the end (delta: -710.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 3.6 GB. [2018-06-22 16:48:14,421 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.05 ms. Allocated memory is still 306.7 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 106.92 ms. Allocated memory is still 306.7 MB. Free memory was 230.1 MB in the beginning and 227.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 93.56 ms. Allocated memory is still 306.7 MB. Free memory was 227.2 MB in the beginning and 225.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 538.26 ms. Allocated memory was 306.7 MB in the beginning and 329.3 MB in the end (delta: 22.5 MB). Free memory was 225.2 MB in the beginning and 291.9 MB in the end (delta: -66.7 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 75736.53 ms. Allocated memory was 329.3 MB in the beginning and 1.1 GB in the end (delta: 813.7 MB). Free memory was 291.9 MB in the beginning and 1.0 GB in the end (delta: -710.4 MB). Peak memory consumption was 1.1 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 XNF transformer was simplifying 31104 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 75.6s 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, 0.3s 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_4_e3_1540_e1_5048.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-48-14-431.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_4_e3_1540_e1_5048.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-48-14-431.csv Completed graceful shutdown