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/MESI_4.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 15:56:11,316 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 15:56:11,318 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 15:56:11,336 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 15:56:11,336 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 15:56:11,337 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 15:56:11,338 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 15:56:11,340 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 15:56:11,342 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 15:56:11,342 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 15:56:11,343 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 15:56:11,343 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 15:56:11,344 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 15:56:11,346 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 15:56:11,346 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 15:56:11,347 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 15:56:11,349 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 15:56:11,353 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 15:56:11,355 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 15:56:11,366 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 15:56:11,368 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 15:56:11,371 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 15:56:11,376 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 15:56:11,376 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 15:56:11,377 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 15:56:11,378 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 15:56:11,379 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 15:56:11,380 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 15:56:11,381 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 15:56:11,381 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 15:56:11,381 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 15:56:11,382 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 15:56:11,382 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 15:56:11,383 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 15:56:11,384 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 15:56:11,384 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 15:56:11,409 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 15:56:11,413 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 15:56:11,413 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 15:56:11,414 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 15:56:11,415 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 15:56:11,415 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 15:56:11,415 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 15:56:11,415 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 15:56:11,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 15:56:11,416 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 15:56:11,416 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 15:56:11,416 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 15:56:11,416 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 15:56:11,417 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 15:56:11,419 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 15:56:11,420 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 15:56:11,420 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 15:56:11,423 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 15:56:11,423 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 15:56:11,473 INFO ]: Repository-Root is: /tmp [2018-06-18 15:56:11,491 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 15:56:11,495 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 15:56:11,497 INFO ]: Initializing SmtParser... [2018-06-18 15:56:11,497 INFO ]: SmtParser initialized [2018-06-18 15:56:11,498 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/MESI_4.smt2 [2018-06-18 15:56:11,499 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 15:56:11,593 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/MESI_4.smt2 unknown [2018-06-18 15:56:12,032 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/MESI_4.smt2 [2018-06-18 15:56:12,047 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 15:56:12,056 INFO ]: Walking toolchain with 4 elements. [2018-06-18 15:56:12,056 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 15:56:12,056 INFO ]: Initializing ChcToBoogie... [2018-06-18 15:56:12,056 INFO ]: ChcToBoogie initialized [2018-06-18 15:56:12,064 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:56:12" (1/1) ... [2018-06-18 15:56:12,165 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:56:12 Unit [2018-06-18 15:56:12,165 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 15:56:12,166 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 15:56:12,166 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 15:56:12,166 INFO ]: Boogie Preprocessor initialized [2018-06-18 15:56:12,188 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:56:12" (1/1) ... [2018-06-18 15:56:12,189 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:56:12" (1/1) ... [2018-06-18 15:56:12,211 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:56:12" (1/1) ... [2018-06-18 15:56:12,211 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:56:12" (1/1) ... [2018-06-18 15:56:12,218 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:56:12" (1/1) ... [2018-06-18 15:56:12,221 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:56:12" (1/1) ... [2018-06-18 15:56:12,223 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:56:12" (1/1) ... [2018-06-18 15:56:12,226 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 15:56:12,227 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 15:56:12,227 INFO ]: Initializing RCFGBuilder... [2018-06-18 15:56:12,227 INFO ]: RCFGBuilder initialized [2018-06-18 15:56:12,228 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:56:12" (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 15:56:12,252 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 15:56:12,252 INFO ]: Found specification of procedure False [2018-06-18 15:56:12,252 INFO ]: Found implementation of procedure False [2018-06-18 15:56:12,252 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 15:56:12,252 INFO ]: Found specification of procedure state [2018-06-18 15:56:12,252 INFO ]: Found implementation of procedure state [2018-06-18 15:56:12,252 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 15:56:12,252 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 15:56:12,252 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 15:56:12,681 INFO ]: Using library mode [2018-06-18 15:56:12,682 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:56:12 BoogieIcfgContainer [2018-06-18 15:56:12,682 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 15:56:12,685 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 15:56:12,685 INFO ]: Initializing TraceAbstraction... [2018-06-18 15:56:12,689 INFO ]: TraceAbstraction initialized [2018-06-18 15:56:12,691 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:56:12" (1/3) ... [2018-06-18 15:56:12,693 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0c77a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 03:56:12, skipping insertion in model container [2018-06-18 15:56:12,693 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:56:12" (2/3) ... [2018-06-18 15:56:12,693 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0c77a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 03:56:12, skipping insertion in model container [2018-06-18 15:56:12,693 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:56:12" (3/3) ... [2018-06-18 15:56:12,695 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 15:56:12,706 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 15:56:12,715 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 15:56:12,760 INFO ]: Using default assertion order modulation [2018-06-18 15:56:12,760 INFO ]: Interprodecural is true [2018-06-18 15:56:12,760 INFO ]: Hoare is false [2018-06-18 15:56:12,760 INFO ]: Compute interpolants for FPandBP [2018-06-18 15:56:12,760 INFO ]: Backedges is TWOTRACK [2018-06-18 15:56:12,760 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 15:56:12,760 INFO ]: Difference is false [2018-06-18 15:56:12,760 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 15:56:12,760 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 15:56:12,774 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 15:56:12,784 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 15:56:12,784 INFO ]: Found error trace [2018-06-18 15:56:12,785 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:56:12,785 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:56:12,789 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 15:56:12,791 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:56:12,791 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:56:12,830 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:56:12,830 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:56:12,830 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:56:12,941 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:56:12,951 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:56:13,237 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 15:56:13,240 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 15:56:13,240 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 15:56:13,242 INFO ]: Interpolant automaton has 4 states [2018-06-18 15:56:13,258 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 15:56:13,259 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:56:13,261 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 15:56:13,414 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 15:56:13,414 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 15:56:13,415 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 15:56:13,417 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 15:56:13,417 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 15:56:13,432 INFO ]: With dead ends: 13 [2018-06-18 15:56:13,433 INFO ]: Without dead ends: 13 [2018-06-18 15:56:13,435 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 15:56:13,454 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 15:56:13,496 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 15:56:13,498 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 15:56:13,498 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 15:56:13,500 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 15:56:13,500 INFO ]: Finished accepts. word is rejected. [2018-06-18 15:56:13,500 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 15:56:13,500 INFO ]: Interpolant automaton has 4 states. [2018-06-18 15:56:13,500 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 15:56:13,502 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 15:56:13,502 INFO ]: Found error trace [2018-06-18 15:56:13,502 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:56:13,502 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:56:13,502 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 15:56:13,502 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:56:13,502 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:56:13,503 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:56:13,503 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:56:13,503 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:56:13,607 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:56:13,608 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:56:14,739 WARN ]: Spent 772.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2018-06-18 15:56:14,865 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 15:56:14,865 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 15:56:14,865 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 15:56:14,874 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:56:14,989 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:56:15,002 INFO ]: Computing forward predicates... [2018-06-18 15:56:17,596 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:56:17,629 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:56:17,650 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:56:17,656 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:17,675 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:56:17,676 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:17,690 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:56:17,703 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:17,704 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:56:17,716 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:17,718 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:56:17,787 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:56:17,841 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:17,843 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:17,855 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:56:17,911 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:56:17,913 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:56:17,926 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:18,038 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:18,040 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:56:18,048 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:56:18,075 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:18,077 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:56:18,084 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:56:18,167 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:56:18,214 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:18,217 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:18,278 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:18,279 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:56:18,855 WARN ]: Simplifying disjunction of 6426 conjuctions. This might take some time... [2018-06-18 15:56:24,631 INFO ]: Simplified to disjunction of 6426 conjuctions. [2018-06-18 15:56:24,694 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:24,704 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:24,706 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:24,709 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:56:24,734 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:24,833 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:56:24,836 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:24,837 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:24,846 WARN ]: expecting exponential blowup for input size 16 [2018-06-18 15:56:24,978 WARN ]: Simplifying disjunction of 6912 conjuctions. This might take some time... [2018-06-18 15:56:26,900 INFO ]: Simplified to disjunction of 2304 conjuctions. [2018-06-18 15:56:26,912 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:56:26,917 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 15:56:26,947 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:26,948 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:56:26,963 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:26,963 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:26,966 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:56:26,982 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:26,988 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:26,990 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:26,999 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:27,000 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:27,002 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:56:27,031 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:27,078 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:27,082 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:27,085 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:56:27,089 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:27,090 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:27,099 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:27,119 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:27,129 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:27,131 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:27,754 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:27,794 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:27,795 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:56:27,797 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:56:27,804 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:27,805 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:27,807 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:56:27,842 WARN ]: expecting exponential blowup for input size 16 [2018-06-18 15:56:27,997 WARN ]: Simplifying disjunction of 20736 conjuctions. This might take some time... [2018-06-18 15:56:58,401 INFO ]: Simplified to disjunction of 6912 conjuctions. [2018-06-18 15:56:58,427 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:58,429 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:58,430 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:56:58,432 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:56:58,453 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:58,455 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:58,457 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:56:58,465 WARN ]: expecting exponential blowup for input size 17 [2018-06-18 15:56:58,683 WARN ]: Simplifying disjunction of 20736 conjuctions. This might take some time... [2018-06-18 15:57:21,433 INFO ]: Simplified to disjunction of 6912 conjuctions. [2018-06-18 15:57:21,459 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:57:21,461 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:57:21,481 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,493 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:57:21,497 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:57:21,499 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,546 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,548 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:57:21,549 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:57:21,550 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,564 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,565 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,566 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:57:21,597 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,600 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,601 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,602 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:57:21,606 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,607 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:57:21,608 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:57:21,665 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,665 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,667 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:57:21,667 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,668 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,680 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,684 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,685 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:57:21,686 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,687 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:57:21,712 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:57:21,713 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,713 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,715 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,715 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,774 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:57:21,786 WARN ]: Simplifying disjunction of 6598 conjuctions. This might take some time... [2018-06-18 15:57:24,919 INFO ]: Simplified to disjunction of 6598 conjuctions. Received shutdown request... [2018-06-18 15:57:26,778 INFO ]: Timeout while computing interpolants [2018-06-18 15:57:26,980 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 15:57:26,980 WARN ]: Verification canceled [2018-06-18 15:57:26,984 WARN ]: Timeout [2018-06-18 15:57:26,984 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 03:57:26 BoogieIcfgContainer [2018-06-18 15:57:26,984 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 15:57:26,985 INFO ]: Toolchain (without parser) took 74937.35 ms. Allocated memory was 302.5 MB in the beginning and 924.8 MB in the end (delta: 622.3 MB). Free memory was 245.1 MB in the beginning and 696.8 MB in the end (delta: -451.7 MB). Peak memory consumption was 515.9 MB. Max. memory is 3.6 GB. [2018-06-18 15:57:26,986 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 302.5 MB. Free memory is still 268.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 15:57:26,986 INFO ]: ChcToBoogie took 109.38 ms. Allocated memory is still 302.5 MB. Free memory was 245.1 MB in the beginning and 241.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:57:26,987 INFO ]: Boogie Preprocessor took 60.76 ms. Allocated memory is still 302.5 MB. Free memory was 241.1 MB in the beginning and 239.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:57:26,987 INFO ]: RCFGBuilder took 455.10 ms. Allocated memory is still 302.5 MB. Free memory was 239.1 MB in the beginning and 218.0 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 3.6 GB. [2018-06-18 15:57:26,988 INFO ]: TraceAbstraction took 74298.78 ms. Allocated memory was 302.5 MB in the beginning and 924.8 MB in the end (delta: 622.3 MB). Free memory was 218.0 MB in the beginning and 696.8 MB in the end (delta: -478.9 MB). Peak memory consumption was 488.8 MB. Max. memory is 3.6 GB. [2018-06-18 15:57:26,992 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 302.5 MB. Free memory is still 268.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 109.38 ms. Allocated memory is still 302.5 MB. Free memory was 245.1 MB in the beginning and 241.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 60.76 ms. Allocated memory is still 302.5 MB. Free memory was 241.1 MB in the beginning and 239.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 455.10 ms. Allocated memory is still 302.5 MB. Free memory was 239.1 MB in the beginning and 218.0 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 74298.78 ms. Allocated memory was 302.5 MB in the beginning and 924.8 MB in the end (delta: 622.3 MB). Free memory was 218.0 MB in the beginning and 696.8 MB in the end (delta: -478.9 MB). Peak memory consumption was 488.8 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 XnfDer was eliminating 2107 quantified variables from 20 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 74.2s 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, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/MESI_4.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_15-57-27-003.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/MESI_4.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_15-57-27-003.csv Completed graceful shutdown