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_e1_4312.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:43:21,079 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:43:21,081 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:43:21,092 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:43:21,093 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:43:21,093 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:43:21,095 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:43:21,096 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:43:21,098 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:43:21,099 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:43:21,099 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:43:21,100 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:43:21,100 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:43:21,101 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:43:21,102 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:43:21,103 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:43:21,105 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:43:21,107 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:43:21,117 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:43:21,118 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:43:21,119 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:43:21,122 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:43:21,122 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:43:21,122 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:43:21,123 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:43:21,124 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:43:21,125 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:43:21,131 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:43:21,132 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:43:21,132 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:43:21,133 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:43:21,134 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:43:21,134 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:43:21,135 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:43:21,135 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:43:21,140 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 16:43:21,168 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:43:21,168 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:43:21,168 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:43:21,168 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:43:21,169 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:43:21,169 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:43:21,170 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:43:21,170 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:43:21,170 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:43:21,170 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:43:21,170 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:43:21,171 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:43:21,171 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:43:21,171 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:43:21,171 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:43:21,171 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:43:21,171 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:43:21,172 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:43:21,172 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:43:21,178 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:43:21,178 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:43:21,222 INFO ]: Repository-Root is: /tmp [2018-06-22 16:43:21,237 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:43:21,243 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:43:21,244 INFO ]: Initializing SmtParser... [2018-06-22 16:43:21,245 INFO ]: SmtParser initialized [2018-06-22 16:43:21,245 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e1_4312.smt2 [2018-06-22 16:43:21,247 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 16:43:21,334 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e1_4312.smt2 unknown [2018-06-22 16:43:21,955 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e1_4312.smt2 [2018-06-22 16:43:21,960 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:43:21,967 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:43:21,967 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:43:21,967 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:43:21,967 INFO ]: ChcToBoogie initialized [2018-06-22 16:43:21,970 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:43:21" (1/1) ... [2018-06-22 16:43:22,042 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:22 Unit [2018-06-22 16:43:22,042 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:43:22,043 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:43:22,043 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:43:22,043 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:43:22,066 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:22" (1/1) ... [2018-06-22 16:43:22,066 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:22" (1/1) ... [2018-06-22 16:43:22,082 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:22" (1/1) ... [2018-06-22 16:43:22,082 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:22" (1/1) ... [2018-06-22 16:43:22,096 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:22" (1/1) ... [2018-06-22 16:43:22,097 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:22" (1/1) ... [2018-06-22 16:43:22,102 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:22" (1/1) ... [2018-06-22 16:43:22,109 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:43:22,113 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:43:22,113 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:43:22,113 INFO ]: RCFGBuilder initialized [2018-06-22 16:43:22,114 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:22" (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 16:43:22,141 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:43:22,141 INFO ]: Found specification of procedure False [2018-06-22 16:43:22,141 INFO ]: Found implementation of procedure False [2018-06-22 16:43:22,141 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:43:22,142 INFO ]: Found specification of procedure state [2018-06-22 16:43:22,142 INFO ]: Found implementation of procedure state [2018-06-22 16:43:22,142 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:43:22,142 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:43:22,142 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 16:43:22,703 INFO ]: Using library mode [2018-06-22 16:43:22,704 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:43:22 BoogieIcfgContainer [2018-06-22 16:43:22,704 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:43:22,705 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:43:22,705 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:43:22,710 INFO ]: TraceAbstraction initialized [2018-06-22 16:43:22,710 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:43:21" (1/3) ... [2018-06-22 16:43:22,711 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5d74f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:43:22, skipping insertion in model container [2018-06-22 16:43:22,711 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:43:22" (2/3) ... [2018-06-22 16:43:22,711 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5d74f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:43:22, skipping insertion in model container [2018-06-22 16:43:22,711 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:43:22" (3/3) ... [2018-06-22 16:43:22,714 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:43:22,723 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:43:22,733 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:43:22,779 INFO ]: Using default assertion order modulation [2018-06-22 16:43:22,780 INFO ]: Interprodecural is true [2018-06-22 16:43:22,780 INFO ]: Hoare is false [2018-06-22 16:43:22,780 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:43:22,780 INFO ]: Backedges is TWOTRACK [2018-06-22 16:43:22,780 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:43:22,780 INFO ]: Difference is false [2018-06-22 16:43:22,780 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:43:22,780 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:43:22,796 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:43:22,809 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:43:22,809 INFO ]: Found error trace [2018-06-22 16:43:22,810 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:43:22,810 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:43:22,817 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:43:22,819 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:43:22,819 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:43:22,867 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:43:22,867 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:43:22,867 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:43:22,989 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:43:23,346 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:43:23,349 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:43:23,349 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:43:23,351 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:43:23,366 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:43:23,367 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:43:23,370 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:43:23,526 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:43:23,526 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:43:23,528 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:43:23,529 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:43:23,530 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:43:23,542 INFO ]: With dead ends: 13 [2018-06-22 16:43:23,542 INFO ]: Without dead ends: 13 [2018-06-22 16:43:23,544 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:43:23,562 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:43:23,599 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:43:23,600 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:43:23,601 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:43:23,602 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:43:23,603 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:43:23,603 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:43:23,603 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:43:23,603 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:43:23,604 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:43:23,604 INFO ]: Found error trace [2018-06-22 16:43:23,604 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:43:23,604 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:43:23,604 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:43:23,604 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:43:23,605 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:43:23,606 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:43:23,606 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:43:23,606 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:43:23,743 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:43:25,158 WARN ]: Spent 1.10 s on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2018-06-22 16:43:25,291 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:43:25,291 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:43:25,291 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 16:43:25,298 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:43:25,454 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:43:25,464 INFO ]: Computing forward predicates... [2018-06-22 16:43:28,551 WARN ]: Simplifying disjunction of 15660 conjuctions. This might take some time... [2018-06-22 16:44:06,632 INFO ]: Simplified to disjunction of 15660 conjuctions. [2018-06-22 16:44:06,870 WARN ]: Simplifying disjunction of 14070 conjuctions. This might take some time... [2018-06-22 16:44:31,532 INFO ]: Simplified to disjunction of 14070 conjuctions. [2018-06-22 16:44:31,613 WARN ]: expecting exponential blowup for input size 18 Received shutdown request... [2018-06-22 16:44:36,611 INFO ]: Timeout while computing interpolants [2018-06-22 16:44:36,812 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:44:36,812 WARN ]: Verification canceled [2018-06-22 16:44:36,816 WARN ]: Timeout [2018-06-22 16:44:36,816 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:44:36 BoogieIcfgContainer [2018-06-22 16:44:36,816 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:44:36,817 INFO ]: Toolchain (without parser) took 74856.94 ms. Allocated memory was 303.6 MB in the beginning and 1.3 GB in the end (delta: 995.6 MB). Free memory was 227.7 MB in the beginning and 625.7 MB in the end (delta: -398.0 MB). Peak memory consumption was 698.8 MB. Max. memory is 3.6 GB. [2018-06-22 16:44:36,818 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 303.6 MB. Free memory is still 269.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:44:36,818 INFO ]: ChcToBoogie took 75.44 ms. Allocated memory is still 303.6 MB. Free memory was 227.7 MB in the beginning and 224.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:44:36,819 INFO ]: Boogie Preprocessor took 65.78 ms. Allocated memory is still 303.6 MB. Free memory was 224.7 MB in the beginning and 222.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:44:36,819 INFO ]: RCFGBuilder took 591.39 ms. Allocated memory was 303.6 MB in the beginning and 328.2 MB in the end (delta: 24.6 MB). Free memory was 222.7 MB in the beginning and 292.1 MB in the end (delta: -69.5 MB). Peak memory consumption was 45.8 MB. Max. memory is 3.6 GB. [2018-06-22 16:44:36,823 INFO ]: TraceAbstraction took 74111.11 ms. Allocated memory was 328.2 MB in the beginning and 1.3 GB in the end (delta: 971.0 MB). Free memory was 292.1 MB in the beginning and 625.7 MB in the end (delta: -333.5 MB). Peak memory consumption was 738.6 MB. Max. memory is 3.6 GB. [2018-06-22 16:44:36,826 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 303.6 MB. Free memory is still 269.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 75.44 ms. Allocated memory is still 303.6 MB. Free memory was 227.7 MB in the beginning and 224.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 65.78 ms. Allocated memory is still 303.6 MB. Free memory was 224.7 MB in the beginning and 222.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 591.39 ms. Allocated memory was 303.6 MB in the beginning and 328.2 MB in the end (delta: 24.6 MB). Free memory was 222.7 MB in the beginning and 292.1 MB in the end (delta: -69.5 MB). Peak memory consumption was 45.8 MB. Max. memory is 3.6 GB. * TraceAbstraction took 74111.11 ms. Allocated memory was 328.2 MB in the beginning and 1.3 GB in the end (delta: 971.0 MB). Free memory was 292.1 MB in the beginning and 625.7 MB in the end (delta: -333.5 MB). Peak memory consumption was 738.6 MB. 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 18 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 74.0s 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, 0.2s 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, 0.3s 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_e1_4312.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-44-36-836.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_4_e1_4312.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-44-36-836.csv Completed graceful shutdown