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_10_e2_402.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:08:06,308 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:08:06,310 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:08:06,327 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:08:06,327 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:08:06,329 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:08:06,331 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:08:06,335 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:08:06,337 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:08:06,339 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:08:06,340 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:08:06,340 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:08:06,341 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:08:06,344 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:08:06,345 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:08:06,345 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:08:06,347 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:08:06,361 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:08:06,363 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:08:06,364 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:08:06,365 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:08:06,367 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:08:06,368 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:08:06,368 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:08:06,372 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:08:06,373 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:08:06,374 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:08:06,375 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:08:06,380 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:08:06,380 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:08:06,381 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:08:06,382 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:08:06,382 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:08:06,383 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:08:06,384 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:08:06,386 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:08:06,407 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:08:06,408 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:08:06,409 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:08:06,409 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:08:06,411 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:08:06,411 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:08:06,411 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:08:06,411 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:08:06,412 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:08:06,412 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:08:06,412 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:08:06,412 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:08:06,412 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:08:06,413 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:08:06,415 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:08:06,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:08:06,416 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:08:06,417 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:08:06,418 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:08:06,467 INFO ]: Repository-Root is: /tmp [2018-06-18 14:08:06,485 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:08:06,491 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:08:06,492 INFO ]: Initializing SmtParser... [2018-06-18 14:08:06,493 INFO ]: SmtParser initialized [2018-06-18 14:08:06,493 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e2_402.smt2 [2018-06-18 14:08:06,494 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 14:08:06,592 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e2_402.smt2 unknown [2018-06-18 14:08:07,185 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_10_e2_402.smt2 [2018-06-18 14:08:07,190 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:08:07,197 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:08:07,197 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:08:07,197 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:08:07,197 INFO ]: ChcToBoogie initialized [2018-06-18 14:08:07,204 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:08:07" (1/1) ... [2018-06-18 14:08:07,408 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:08:07 Unit [2018-06-18 14:08:07,409 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:08:07,410 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:08:07,410 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:08:07,410 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:08:07,438 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:08:07" (1/1) ... [2018-06-18 14:08:07,439 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:08:07" (1/1) ... [2018-06-18 14:08:07,481 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:08:07" (1/1) ... [2018-06-18 14:08:07,481 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:08:07" (1/1) ... [2018-06-18 14:08:07,500 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:08:07" (1/1) ... [2018-06-18 14:08:07,501 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:08:07" (1/1) ... [2018-06-18 14:08:07,507 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:08:07" (1/1) ... [2018-06-18 14:08:07,512 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:08:07,512 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:08:07,512 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:08:07,512 INFO ]: RCFGBuilder initialized [2018-06-18 14:08:07,513 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:08:07" (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 14:08:07,527 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:08:07,527 INFO ]: Found specification of procedure False [2018-06-18 14:08:07,527 INFO ]: Found implementation of procedure False [2018-06-18 14:08:07,527 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:08:07,527 INFO ]: Found specification of procedure state [2018-06-18 14:08:07,527 INFO ]: Found implementation of procedure state [2018-06-18 14:08:07,527 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:08:07,527 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:08:07,527 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 14:08:08,111 INFO ]: Using library mode [2018-06-18 14:08:08,112 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:08:08 BoogieIcfgContainer [2018-06-18 14:08:08,113 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:08:08,114 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:08:08,114 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:08:08,120 INFO ]: TraceAbstraction initialized [2018-06-18 14:08:08,121 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:08:07" (1/3) ... [2018-06-18 14:08:08,122 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2abc83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:08:08, skipping insertion in model container [2018-06-18 14:08:08,122 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:08:07" (2/3) ... [2018-06-18 14:08:08,122 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2abc83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:08:08, skipping insertion in model container [2018-06-18 14:08:08,122 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:08:08" (3/3) ... [2018-06-18 14:08:08,125 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:08:08,136 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:08:08,147 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:08:08,198 INFO ]: Using default assertion order modulation [2018-06-18 14:08:08,199 INFO ]: Interprodecural is true [2018-06-18 14:08:08,199 INFO ]: Hoare is false [2018-06-18 14:08:08,199 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:08:08,199 INFO ]: Backedges is TWOTRACK [2018-06-18 14:08:08,199 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:08:08,199 INFO ]: Difference is false [2018-06-18 14:08:08,199 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:08:08,200 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:08:08,222 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:08:08,240 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:08:08,241 INFO ]: Found error trace [2018-06-18 14:08:08,243 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:08:08,244 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:08:08,249 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 14:08:08,251 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:08:08,252 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:08:08,311 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:08:08,311 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:08:08,311 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:08:08,444 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:08:08,460 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:08:08,829 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:08:08,832 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:08:08,833 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:08:08,835 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:08:08,851 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:08:08,852 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:08:08,855 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:08:09,028 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:08:09,028 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:08:09,031 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:08:09,032 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:08:09,033 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:08:09,048 INFO ]: With dead ends: 13 [2018-06-18 14:08:09,048 INFO ]: Without dead ends: 13 [2018-06-18 14:08:09,051 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 [2018-06-18 14:08:09,071 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:08:09,114 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:08:09,115 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:08:09,116 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:08:09,118 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:08:09,118 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:08:09,118 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:08:09,118 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:08:09,118 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:08:09,120 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:08:09,120 INFO ]: Found error trace [2018-06-18 14:08:09,120 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:08:09,120 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:08:09,120 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 14:08:09,120 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:08:09,120 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:08:09,122 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:08:09,122 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:08:09,122 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:08:09,267 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:08:09,268 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:08:10,333 WARN ]: Spent 731.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 36 [2018-06-18 14:08:10,626 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:08:10,626 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:08:10,626 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 14:08:10,641 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:08:10,840 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:08:10,858 INFO ]: Computing forward predicates... [2018-06-18 14:08:23,951 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 14:08:25,743 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 14:08:25,981 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 14:08:25,988 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 14:08:25,995 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 14:08:30,516 WARN ]: Simplifying disjunction of 861840 conjuctions. This might take some time... Received shutdown request... [2018-06-18 14:09:13,639 INFO ]: Timeout while computing interpolants [2018-06-18 14:09:13,840 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:09:13,840 WARN ]: Verification canceled [2018-06-18 14:09:13,852 WARN ]: Timeout [2018-06-18 14:09:13,853 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:09:13 BoogieIcfgContainer [2018-06-18 14:09:13,853 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:09:13,858 INFO ]: Toolchain (without parser) took 66663.74 ms. Allocated memory was 307.2 MB in the beginning and 1.8 GB in the end (delta: 1.4 GB). Free memory was 231.7 MB in the beginning and 616.7 MB in the end (delta: -385.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-18 14:09:13,864 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 307.2 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:09:13,865 INFO ]: ChcToBoogie took 212.03 ms. Allocated memory is still 307.2 MB. Free memory was 230.7 MB in the beginning and 223.6 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 3.6 GB. [2018-06-18 14:09:13,865 INFO ]: Boogie Preprocessor took 102.33 ms. Allocated memory is still 307.2 MB. Free memory was 223.6 MB in the beginning and 221.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:09:13,866 INFO ]: RCFGBuilder took 600.20 ms. Allocated memory was 307.2 MB in the beginning and 326.1 MB in the end (delta: 18.9 MB). Free memory was 221.6 MB in the beginning and 285.0 MB in the end (delta: -63.4 MB). Peak memory consumption was 41.1 MB. Max. memory is 3.6 GB. [2018-06-18 14:09:13,866 INFO ]: TraceAbstraction took 65738.95 ms. Allocated memory was 326.1 MB in the beginning and 1.8 GB in the end (delta: 1.4 GB). Free memory was 285.0 MB in the beginning and 616.7 MB in the end (delta: -331.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-18 14:09:13,876 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 307.2 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 212.03 ms. Allocated memory is still 307.2 MB. Free memory was 230.7 MB in the beginning and 223.6 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 102.33 ms. Allocated memory is still 307.2 MB. Free memory was 223.6 MB in the beginning and 221.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 600.20 ms. Allocated memory was 307.2 MB in the beginning and 326.1 MB in the end (delta: 18.9 MB). Free memory was 221.6 MB in the beginning and 285.0 MB in the end (delta: -63.4 MB). Peak memory consumption was 41.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 65738.95 ms. Allocated memory was 326.1 MB in the beginning and 1.8 GB in the end (delta: 1.4 GB). Free memory was 285.0 MB in the beginning and 616.7 MB in the end (delta: -331.7 MB). Peak memory consumption was 1.4 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 XNF transformer was simplifying 861840 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 65.6s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s 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, 0.1s 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_10_e2_402.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-09-13-898.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_10_e2_402.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-09-13-898.csv Completed graceful shutdown