java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:14:44,050 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:14:44,052 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:14:44,064 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:14:44,065 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:14:44,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:14:44,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:14:44,069 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:14:44,071 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:14:44,072 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:14:44,073 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:14:44,073 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:14:44,074 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:14:44,075 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:14:44,075 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:14:44,076 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:14:44,078 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:14:44,081 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:14:44,083 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:14:44,084 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:14:44,086 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:14:44,088 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:14:44,089 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:14:44,089 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:14:44,090 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:14:44,091 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:14:44,092 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:14:44,093 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:14:44,095 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:14:44,095 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:14:44,096 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:14:44,097 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:14:44,097 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:14:44,098 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:14:44,099 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:14:44,099 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:14:44,126 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:14:44,127 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:14:44,127 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:14:44,127 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:14:44,129 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:14:44,129 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:14:44,129 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:14:44,129 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:14:44,129 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:14:44,130 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:14:44,130 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:14:44,130 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:14:44,130 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:14:44,130 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:14:44,134 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:14:44,134 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:14:44,134 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:14:44,136 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:14:44,136 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:14:44,199 INFO ]: Repository-Root is: /tmp [2018-06-18 14:14:44,220 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:14:44,228 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:14:44,231 INFO ]: Initializing SmtParser... [2018-06-18 14:14:44,231 INFO ]: SmtParser initialized [2018-06-18 14:14:44,232 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 [2018-06-18 14:14:44,233 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 [2018-06-18 14:14:44,341 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 unknown [2018-06-18 14:14:45,154 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 [2018-06-18 14:14:45,161 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:14:45,167 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:14:45,167 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:14:45,167 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:14:45,167 INFO ]: ChcToBoogie initialized [2018-06-18 14:14:45,175 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:14:45" (1/1) ... [2018-06-18 14:14:45,287 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:45 Unit [2018-06-18 14:14:45,287 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:14:45,288 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:14:45,288 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:14:45,288 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:14:45,324 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:45" (1/1) ... [2018-06-18 14:14:45,325 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:45" (1/1) ... [2018-06-18 14:14:45,358 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:45" (1/1) ... [2018-06-18 14:14:45,358 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:45" (1/1) ... [2018-06-18 14:14:45,374 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:45" (1/1) ... [2018-06-18 14:14:45,375 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:45" (1/1) ... [2018-06-18 14:14:45,382 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:45" (1/1) ... [2018-06-18 14:14:45,389 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:14:45,390 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:14:45,390 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:14:45,390 INFO ]: RCFGBuilder initialized [2018-06-18 14:14:45,391 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:45" (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) [2018-06-18 14:14:45,404 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:14:45,404 INFO ]: Found specification of procedure False [2018-06-18 14:14:45,404 INFO ]: Found implementation of procedure False [2018-06-18 14:14:45,404 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:14:45,404 INFO ]: Found specification of procedure state [2018-06-18 14:14:45,404 INFO ]: Found implementation of procedure state [2018-06-18 14:14:45,404 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:14:45,405 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:14:45,405 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 [2018-06-18 14:14:46,020 INFO ]: Using library mode [2018-06-18 14:14:46,020 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:14:46 BoogieIcfgContainer [2018-06-18 14:14:46,020 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:14:46,024 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:14:46,024 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:14:46,031 INFO ]: TraceAbstraction initialized [2018-06-18 14:14:46,032 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:14:45" (1/3) ... [2018-06-18 14:14:46,033 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649ae47d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:14:46, skipping insertion in model container [2018-06-18 14:14:46,033 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:45" (2/3) ... [2018-06-18 14:14:46,033 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649ae47d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:14:46, skipping insertion in model container [2018-06-18 14:14:46,033 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:14:46" (3/3) ... [2018-06-18 14:14:46,035 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:14:46,046 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:14:46,057 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:14:46,112 INFO ]: Using default assertion order modulation [2018-06-18 14:14:46,112 INFO ]: Interprodecural is true [2018-06-18 14:14:46,113 INFO ]: Hoare is false [2018-06-18 14:14:46,113 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:14:46,113 INFO ]: Backedges is TWOTRACK [2018-06-18 14:14:46,113 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:14:46,113 INFO ]: Difference is false [2018-06-18 14:14:46,113 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:14:46,113 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:14:46,133 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:14:46,152 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:14:46,153 INFO ]: Found error trace [2018-06-18 14:14:46,154 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:14:46,155 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:14:46,160 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:14:46,163 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:14:46,163 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:14:46,219 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:14:46,219 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:14:46,219 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:14:46,364 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:14:46,375 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:14:46,694 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:14:46,697 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:14:46,697 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:14:46,699 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:14:46,717 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:14:46,717 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:14:46,720 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:14:46,879 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:14:46,879 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:14:46,880 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:14:46,882 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:14:46,882 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:14:46,897 INFO ]: With dead ends: 13 [2018-06-18 14:14:46,897 INFO ]: Without dead ends: 13 [2018-06-18 14:14:46,899 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 [2018-06-18 14:14:46,919 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:14:46,948 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:14:46,949 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:14:46,950 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:14:46,952 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:14:46,952 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:14:46,952 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:14:46,952 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:14:46,952 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:14:46,954 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:14:46,954 INFO ]: Found error trace [2018-06-18 14:14:46,954 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:14:46,954 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:14:46,954 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:14:46,954 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:14:46,954 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:14:46,955 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:14:46,955 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:14:46,955 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:14:47,077 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:14:47,078 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:14:48,621 WARN ]: Spent 1.22 s on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2018-06-18 14:14:48,917 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:14:48,917 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:14:48,917 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 [2018-06-18 14:14:48,925 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:14:49,090 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:14:49,107 INFO ]: Computing forward predicates... [2018-06-18 14:14:49,473 WARN ]: expecting exponential blowup for input size 16 [2018-06-18 14:14:50,539 WARN ]: Simplifying disjunction of 17496 conjuctions. This might take some time... Received shutdown request... [2018-06-18 14:16:04,572 INFO ]: Timeout while computing interpolants [2018-06-18 14:16:04,773 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:16:04,773 WARN ]: Verification canceled [2018-06-18 14:16:04,777 WARN ]: Timeout [2018-06-18 14:16:04,777 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:16:04 BoogieIcfgContainer [2018-06-18 14:16:04,777 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:16:04,778 INFO ]: Toolchain (without parser) took 79616.99 ms. Allocated memory was 308.8 MB in the beginning and 392.7 MB in the end (delta: 83.9 MB). Free memory was 232.4 MB in the beginning and 183.1 MB in the end (delta: 49.4 MB). Peak memory consumption was 136.6 MB. Max. memory is 3.6 GB. [2018-06-18 14:16:04,779 INFO ]: SmtParser took 0.11 ms. Allocated memory is still 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:16:04,779 INFO ]: ChcToBoogie took 120.56 ms. Allocated memory is still 308.8 MB. Free memory was 232.4 MB in the beginning and 225.5 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:16:04,780 INFO ]: Boogie Preprocessor took 101.06 ms. Allocated memory is still 308.8 MB. Free memory was 225.5 MB in the beginning and 223.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:16:04,780 INFO ]: RCFGBuilder took 630.37 ms. Allocated memory was 308.8 MB in the beginning and 326.1 MB in the end (delta: 17.3 MB). Free memory was 223.5 MB in the beginning and 285.4 MB in the end (delta: -61.9 MB). Peak memory consumption was 41.4 MB. Max. memory is 3.6 GB. [2018-06-18 14:16:04,781 INFO ]: TraceAbstraction took 78753.27 ms. Allocated memory was 326.1 MB in the beginning and 392.7 MB in the end (delta: 66.6 MB). Free memory was 284.6 MB in the beginning and 183.1 MB in the end (delta: 101.5 MB). Peak memory consumption was 171.5 MB. Max. memory is 3.6 GB. [2018-06-18 14:16:04,784 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.11 ms. Allocated memory is still 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 120.56 ms. Allocated memory is still 308.8 MB. Free memory was 232.4 MB in the beginning and 225.5 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 101.06 ms. Allocated memory is still 308.8 MB. Free memory was 225.5 MB in the beginning and 223.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 630.37 ms. Allocated memory was 308.8 MB in the beginning and 326.1 MB in the end (delta: 17.3 MB). Free memory was 223.5 MB in the beginning and 285.4 MB in the end (delta: -61.9 MB). Peak memory consumption was 41.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 78753.27 ms. Allocated memory was 326.1 MB in the beginning and 392.7 MB in the end (delta: 66.6 MB). Free memory was 284.6 MB in the beginning and 183.1 MB in the end (delta: 101.5 MB). Peak memory consumption was 171.5 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 XNF transformer was simplifying 17496 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 78.6s 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_12_e2_1618_e2_138.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-16-04-795.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_12_e2_1618_e2_138.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-16-04-795.csv Completed graceful shutdown