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_11_e3_2076_e1_1270.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:29:48,360 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:29:48,363 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:29:48,376 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:29:48,377 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:29:48,377 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:29:48,381 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:29:48,383 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:29:48,384 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:29:48,385 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:29:48,386 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:29:48,387 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:29:48,387 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:29:48,388 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:29:48,392 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:29:48,393 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:29:48,394 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:29:48,407 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:29:48,408 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:29:48,409 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:29:48,410 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:29:48,412 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:29:48,413 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:29:48,413 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:29:48,413 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:29:48,414 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:29:48,418 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:29:48,419 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:29:48,420 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:29:48,420 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:29:48,421 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:29:48,422 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:29:48,422 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:29:48,422 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:29:48,423 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:29:48,423 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 17:29:48,449 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:29:48,449 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:29:48,449 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:29:48,449 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:29:48,450 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:29:48,450 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:29:48,451 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:29:48,451 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:29:48,451 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:29:48,451 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:29:48,451 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:29:48,452 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:29:48,452 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:29:48,452 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:29:48,452 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:29:48,452 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:29:48,453 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:29:48,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:29:48,453 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:29:48,454 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:29:48,454 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:29:48,504 INFO ]: Repository-Root is: /tmp [2018-06-22 17:29:48,519 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:29:48,524 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:29:48,525 INFO ]: Initializing SmtParser... [2018-06-22 17:29:48,525 INFO ]: SmtParser initialized [2018-06-22 17:29:48,526 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_11_e3_2076_e1_1270.smt2 [2018-06-22 17:29:48,527 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 17:29:48,611 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_11_e3_2076_e1_1270.smt2 unknown [2018-06-22 17:29:49,130 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_11_e3_2076_e1_1270.smt2 [2018-06-22 17:29:49,135 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:29:49,140 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:29:49,140 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:29:49,140 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:29:49,140 INFO ]: ChcToBoogie initialized [2018-06-22 17:29:49,143 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:29:49" (1/1) ... [2018-06-22 17:29:49,234 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:49 Unit [2018-06-22 17:29:49,234 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:29:49,235 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:29:49,235 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:29:49,235 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:29:49,259 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:49" (1/1) ... [2018-06-22 17:29:49,259 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:49" (1/1) ... [2018-06-22 17:29:49,277 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:49" (1/1) ... [2018-06-22 17:29:49,277 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:49" (1/1) ... [2018-06-22 17:29:49,293 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:49" (1/1) ... [2018-06-22 17:29:49,294 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:49" (1/1) ... [2018-06-22 17:29:49,296 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:49" (1/1) ... [2018-06-22 17:29:49,307 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:29:49,307 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:29:49,308 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:29:49,308 INFO ]: RCFGBuilder initialized [2018-06-22 17:29:49,308 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:49" (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 17:29:49,329 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:29:49,329 INFO ]: Found specification of procedure False [2018-06-22 17:29:49,329 INFO ]: Found implementation of procedure False [2018-06-22 17:29:49,329 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:29:49,329 INFO ]: Found specification of procedure state [2018-06-22 17:29:49,329 INFO ]: Found implementation of procedure state [2018-06-22 17:29:49,329 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:29:49,329 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:29:49,329 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 17:29:49,757 INFO ]: Using library mode [2018-06-22 17:29:49,757 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:29:49 BoogieIcfgContainer [2018-06-22 17:29:49,758 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:29:49,759 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:29:49,759 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:29:49,767 INFO ]: TraceAbstraction initialized [2018-06-22 17:29:49,767 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:29:49" (1/3) ... [2018-06-22 17:29:49,768 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ba9609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:29:49, skipping insertion in model container [2018-06-22 17:29:49,768 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:49" (2/3) ... [2018-06-22 17:29:49,768 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ba9609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:29:49, skipping insertion in model container [2018-06-22 17:29:49,768 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:29:49" (3/3) ... [2018-06-22 17:29:49,770 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:29:49,780 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:29:49,789 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:29:49,841 INFO ]: Using default assertion order modulation [2018-06-22 17:29:49,841 INFO ]: Interprodecural is true [2018-06-22 17:29:49,841 INFO ]: Hoare is false [2018-06-22 17:29:49,841 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:29:49,841 INFO ]: Backedges is TWOTRACK [2018-06-22 17:29:49,841 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:29:49,842 INFO ]: Difference is false [2018-06-22 17:29:49,842 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:29:49,842 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:29:49,859 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:29:49,872 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:29:49,872 INFO ]: Found error trace [2018-06-22 17:29:49,874 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:29:49,874 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:29:49,880 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 17:29:49,882 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:29:49,882 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:29:49,931 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:29:49,931 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:29:49,931 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:29:50,045 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:29:50,373 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:29:50,377 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:29:50,377 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:29:50,379 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:29:50,394 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:29:50,395 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:29:50,398 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:29:50,567 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:29:50,567 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:29:50,568 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:29:50,569 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:29:50,570 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:29:50,584 INFO ]: With dead ends: 13 [2018-06-22 17:29:50,584 INFO ]: Without dead ends: 13 [2018-06-22 17:29:50,587 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:29:50,605 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:29:50,641 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:29:50,642 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:29:50,643 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:29:50,644 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:29:50,644 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:29:50,644 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:29:50,644 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:29:50,644 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:29:50,646 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:29:50,646 INFO ]: Found error trace [2018-06-22 17:29:50,646 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:29:50,646 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:29:50,646 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 17:29:50,646 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:29:50,646 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:29:50,648 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:29:50,648 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:29:50,648 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:29:50,750 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:29:51,902 WARN ]: Spent 886.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 36 [2018-06-22 17:29:52,044 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:29:52,044 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:29:52,044 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 17:29:52,057 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:29:52,196 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:29:52,209 INFO ]: Computing forward predicates... [2018-06-22 17:29:53,308 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 17:29:53,886 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:29:53,887 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:29:53,894 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:29:53,899 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 17:29:54,050 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:29:54,052 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:29:54,054 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:29:54,073 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:29:54,078 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:29:54,170 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:29:54,182 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:29:54,254 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:29:54,281 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 17:29:54,668 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 17:29:54,938 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 17:30:02,345 WARN ]: Simplifying disjunction of 419904 conjuctions. This might take some time... Received shutdown request... [2018-06-22 17:31:05,687 INFO ]: Timeout while computing interpolants [2018-06-22 17:31:05,888 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:31:05,890 WARN ]: Verification canceled [2018-06-22 17:31:05,908 WARN ]: Timeout [2018-06-22 17:31:05,908 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:31:05 BoogieIcfgContainer [2018-06-22 17:31:05,908 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:31:05,909 INFO ]: Toolchain (without parser) took 76773.71 ms. Allocated memory was 304.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 238.1 MB in the beginning and 763.8 MB in the end (delta: -525.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-22 17:31:05,914 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 304.6 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:31:05,915 INFO ]: ChcToBoogie took 94.65 ms. Allocated memory is still 304.6 MB. Free memory was 238.1 MB in the beginning and 235.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:31:05,915 INFO ]: Boogie Preprocessor took 72.01 ms. Allocated memory is still 304.6 MB. Free memory was 235.1 MB in the beginning and 233.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:31:05,916 INFO ]: RCFGBuilder took 450.07 ms. Allocated memory is still 304.6 MB. Free memory was 233.1 MB in the beginning and 205.1 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:31:05,917 INFO ]: TraceAbstraction took 76148.84 ms. Allocated memory was 304.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 205.1 MB in the beginning and 763.8 MB in the end (delta: -558.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-22 17:31:05,930 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 304.6 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 94.65 ms. Allocated memory is still 304.6 MB. Free memory was 238.1 MB in the beginning and 235.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 72.01 ms. Allocated memory is still 304.6 MB. Free memory was 235.1 MB in the beginning and 233.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 450.07 ms. Allocated memory is still 304.6 MB. Free memory was 233.1 MB in the beginning and 205.1 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 76148.84 ms. Allocated memory was 304.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 205.1 MB in the beginning and 763.8 MB in the end (delta: -558.7 MB). Peak memory consumption was 1.2 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 419904 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 76.0s 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_11_e3_2076_e1_1270.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-31-05-967.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_11_e3_2076_e1_1270.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-31-05-967.csv Completed graceful shutdown