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/FIREFLY_7.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:51:49,435 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:51:49,437 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:51:49,449 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:51:49,449 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:51:49,450 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:51:49,452 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:51:49,453 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:51:49,455 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:51:49,456 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:51:49,456 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:51:49,457 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:51:49,457 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:51:49,458 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:51:49,459 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:51:49,460 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:51:49,462 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:51:49,463 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:51:49,467 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:51:49,468 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:51:49,470 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:51:49,472 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:51:49,472 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:51:49,472 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:51:49,473 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:51:49,474 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:51:49,475 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:51:49,476 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:51:49,477 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:51:49,477 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:51:49,477 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:51:49,478 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:51:49,478 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:51:49,479 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:51:49,480 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:51:49,480 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 17:51:49,493 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:51:49,493 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:51:49,494 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:51:49,494 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:51:49,495 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:51:49,495 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:51:49,495 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:51:49,496 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:51:49,496 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:51:49,496 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:51:49,496 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:51:49,496 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:51:49,497 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:51:49,497 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:51:49,497 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:51:49,497 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:51:49,497 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:51:49,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:51:49,498 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:51:49,499 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:51:49,499 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:51:49,546 INFO ]: Repository-Root is: /tmp [2018-06-22 17:51:49,559 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:51:49,564 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:51:49,566 INFO ]: Initializing SmtParser... [2018-06-22 17:51:49,566 INFO ]: SmtParser initialized [2018-06-22 17:51:49,567 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_7.smt2 [2018-06-22 17:51:49,568 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 17:51:49,660 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_7.smt2 unknown [2018-06-22 17:51:50,170 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_7.smt2 [2018-06-22 17:51:50,174 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:51:50,181 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:51:50,182 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:51:50,182 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:51:50,182 INFO ]: ChcToBoogie initialized [2018-06-22 17:51:50,185 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:51:50" (1/1) ... [2018-06-22 17:51:50,272 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:50 Unit [2018-06-22 17:51:50,272 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:51:50,272 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:51:50,273 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:51:50,273 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:51:50,307 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:50" (1/1) ... [2018-06-22 17:51:50,308 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:50" (1/1) ... [2018-06-22 17:51:50,316 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:50" (1/1) ... [2018-06-22 17:51:50,316 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:50" (1/1) ... [2018-06-22 17:51:50,325 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:50" (1/1) ... [2018-06-22 17:51:50,326 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:50" (1/1) ... [2018-06-22 17:51:50,329 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:50" (1/1) ... [2018-06-22 17:51:50,333 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:51:50,334 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:51:50,334 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:51:50,334 INFO ]: RCFGBuilder initialized [2018-06-22 17:51:50,335 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:50" (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 17:51:50,350 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:51:50,350 INFO ]: Found specification of procedure False [2018-06-22 17:51:50,350 INFO ]: Found implementation of procedure False [2018-06-22 17:51:50,350 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:51:50,350 INFO ]: Found specification of procedure state [2018-06-22 17:51:50,350 INFO ]: Found implementation of procedure state [2018-06-22 17:51:50,350 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:51:50,350 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:51:50,350 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 17:51:50,703 INFO ]: Using library mode [2018-06-22 17:51:50,704 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:51:50 BoogieIcfgContainer [2018-06-22 17:51:50,704 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:51:50,706 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:51:50,706 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:51:50,713 INFO ]: TraceAbstraction initialized [2018-06-22 17:51:50,713 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:51:50" (1/3) ... [2018-06-22 17:51:50,714 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@193f5d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:51:50, skipping insertion in model container [2018-06-22 17:51:50,714 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:50" (2/3) ... [2018-06-22 17:51:50,715 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@193f5d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:51:50, skipping insertion in model container [2018-06-22 17:51:50,715 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:51:50" (3/3) ... [2018-06-22 17:51:50,716 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:51:50,726 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:51:50,735 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:51:50,780 INFO ]: Using default assertion order modulation [2018-06-22 17:51:50,781 INFO ]: Interprodecural is true [2018-06-22 17:51:50,781 INFO ]: Hoare is false [2018-06-22 17:51:50,781 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:51:50,781 INFO ]: Backedges is TWOTRACK [2018-06-22 17:51:50,781 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:51:50,781 INFO ]: Difference is false [2018-06-22 17:51:50,781 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:51:50,781 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:51:50,796 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:51:50,810 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:51:50,810 INFO ]: Found error trace [2018-06-22 17:51:50,811 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:51:50,811 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:51:50,815 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 17:51:50,816 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:51:50,816 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:51:50,849 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:51:50,849 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:51:50,849 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:51:50,956 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:51:51,097 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:51:51,099 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:51:51,099 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:51:51,101 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:51:51,115 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:51:51,116 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:51:51,118 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:51:51,269 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:51:51,269 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:51:51,270 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:51:51,271 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:51:51,271 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:51:51,279 INFO ]: With dead ends: 13 [2018-06-22 17:51:51,280 INFO ]: Without dead ends: 13 [2018-06-22 17:51:51,281 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:51:51,294 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:51:51,317 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:51:51,318 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:51:51,319 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:51:51,320 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:51:51,321 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:51:51,321 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:51:51,321 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:51:51,321 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:51:51,322 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:51:51,322 INFO ]: Found error trace [2018-06-22 17:51:51,322 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:51:51,322 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:51:51,322 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 17:51:51,322 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:51:51,322 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:51:51,325 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:51:51,325 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:51:51,325 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:51:51,480 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:51:52,421 WARN ]: Spent 630.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 50 [2018-06-22 17:51:52,560 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:51:52,560 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:51:52,560 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 17:51:52,568 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:51:52,701 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:51:52,713 INFO ]: Computing forward predicates... [2018-06-22 17:51:56,189 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:51:56,255 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 17:51:56,275 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 17:51:56,293 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 17:51:56,340 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 17:51:58,022 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:51:58,033 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:51:58,067 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:51:58,089 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:51:58,095 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:51:58,103 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:51:58,112 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:51:58,121 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:51:58,129 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:51:58,142 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:51:58,156 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:51:58,185 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:51:58,203 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:51:58,222 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:51:58,239 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:51:58,256 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:51:58,270 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:51:58,276 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:51:58,286 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:51:58,293 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:51:58,311 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:51:58,345 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:51:58,397 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:51:58,405 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 17:51:58,486 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:51:58,546 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:51:58,561 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:51:58,571 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:51:58,579 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:51:58,593 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 17:51:58,736 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 17:52:06,064 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 17:52:06,092 WARN ]: expecting exponential blowup for input size 15 [2018-06-22 17:52:06,733 WARN ]: Simplifying disjunction of 34992 conjuctions. This might take some time... Received shutdown request... [2018-06-22 17:53:08,046 INFO ]: Timeout while computing interpolants [2018-06-22 17:53:08,247 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:53:08,247 WARN ]: Verification canceled [2018-06-22 17:53:08,251 WARN ]: Timeout [2018-06-22 17:53:08,252 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:53:08 BoogieIcfgContainer [2018-06-22 17:53:08,252 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:53:08,253 INFO ]: Toolchain (without parser) took 78077.95 ms. Allocated memory was 306.7 MB in the beginning and 614.5 MB in the end (delta: 307.8 MB). Free memory was 240.0 MB in the beginning and 485.6 MB in the end (delta: -245.6 MB). Peak memory consumption was 401.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:53:08,254 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 306.7 MB. Free memory is still 270.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:53:08,263 INFO ]: ChcToBoogie took 90.11 ms. Allocated memory is still 306.7 MB. Free memory was 240.0 MB in the beginning and 237.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:53:08,264 INFO ]: Boogie Preprocessor took 61.02 ms. Allocated memory is still 306.7 MB. Free memory was 237.0 MB in the beginning and 235.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:53:08,264 INFO ]: RCFGBuilder took 369.89 ms. Allocated memory is still 306.7 MB. Free memory was 235.0 MB in the beginning and 206.0 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:53:08,264 INFO ]: TraceAbstraction took 77546.12 ms. Allocated memory was 306.7 MB in the beginning and 614.5 MB in the end (delta: 307.8 MB). Free memory was 205.0 MB in the beginning and 485.6 MB in the end (delta: -280.6 MB). Peak memory consumption was 366.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:53:08,267 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 306.7 MB. Free memory is still 270.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 90.11 ms. Allocated memory is still 306.7 MB. Free memory was 240.0 MB in the beginning and 237.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 61.02 ms. Allocated memory is still 306.7 MB. Free memory was 237.0 MB in the beginning and 235.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 369.89 ms. Allocated memory is still 306.7 MB. Free memory was 235.0 MB in the beginning and 206.0 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 77546.12 ms. Allocated memory was 306.7 MB in the beginning and 614.5 MB in the end (delta: 307.8 MB). Free memory was 205.0 MB in the beginning and 485.6 MB in the end (delta: -280.6 MB). Peak memory consumption was 366.0 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 34992 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 77.4s 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, 0.0s 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, 0.1s 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/FIREFLY_7.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-53-08-279.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_7.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-53-08-279.csv Completed graceful shutdown