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/FIREFLY_10.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 15:01:18,510 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 15:01:18,512 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 15:01:18,529 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 15:01:18,529 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 15:01:18,530 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 15:01:18,532 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 15:01:18,536 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 15:01:18,538 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 15:01:18,540 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 15:01:18,541 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 15:01:18,541 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 15:01:18,542 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 15:01:18,543 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 15:01:18,547 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 15:01:18,548 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 15:01:18,550 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 15:01:18,561 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 15:01:18,563 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 15:01:18,564 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 15:01:18,565 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 15:01:18,567 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 15:01:18,568 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 15:01:18,568 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 15:01:18,569 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 15:01:18,570 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 15:01:18,574 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 15:01:18,575 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 15:01:18,577 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 15:01:18,577 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 15:01:18,577 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 15:01:18,578 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 15:01:18,578 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 15:01:18,579 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 15:01:18,580 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 15:01:18,580 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 15:01:18,606 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 15:01:18,607 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 15:01:18,607 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 15:01:18,607 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 15:01:18,609 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 15:01:18,613 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 15:01:18,613 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 15:01:18,613 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 15:01:18,613 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 15:01:18,613 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 15:01:18,614 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 15:01:18,614 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 15:01:18,614 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 15:01:18,614 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 15:01:18,614 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 15:01:18,614 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 15:01:18,615 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 15:01:18,618 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 15:01:18,618 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 15:01:18,670 INFO ]: Repository-Root is: /tmp [2018-06-18 15:01:18,689 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 15:01:18,697 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 15:01:18,698 INFO ]: Initializing SmtParser... [2018-06-18 15:01:18,698 INFO ]: SmtParser initialized [2018-06-18 15:01:18,699 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_10.smt2 [2018-06-18 15:01:18,700 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 15:01:18,824 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_10.smt2 unknown [2018-06-18 15:01:19,631 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_10.smt2 [2018-06-18 15:01:19,637 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 15:01:19,651 INFO ]: Walking toolchain with 4 elements. [2018-06-18 15:01:19,651 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 15:01:19,651 INFO ]: Initializing ChcToBoogie... [2018-06-18 15:01:19,652 INFO ]: ChcToBoogie initialized [2018-06-18 15:01:19,661 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:01:19" (1/1) ... [2018-06-18 15:01:19,812 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:01:19 Unit [2018-06-18 15:01:19,812 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 15:01:19,813 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 15:01:19,813 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 15:01:19,813 INFO ]: Boogie Preprocessor initialized [2018-06-18 15:01:19,835 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:01:19" (1/1) ... [2018-06-18 15:01:19,835 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:01:19" (1/1) ... [2018-06-18 15:01:19,863 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:01:19" (1/1) ... [2018-06-18 15:01:19,864 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:01:19" (1/1) ... [2018-06-18 15:01:19,882 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:01:19" (1/1) ... [2018-06-18 15:01:19,883 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:01:19" (1/1) ... [2018-06-18 15:01:19,886 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:01:19" (1/1) ... [2018-06-18 15:01:19,893 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 15:01:19,894 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 15:01:19,894 INFO ]: Initializing RCFGBuilder... [2018-06-18 15:01:19,894 INFO ]: RCFGBuilder initialized [2018-06-18 15:01:19,895 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:01:19" (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 15:01:19,924 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 15:01:19,924 INFO ]: Found specification of procedure False [2018-06-18 15:01:19,924 INFO ]: Found implementation of procedure False [2018-06-18 15:01:19,924 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 15:01:19,924 INFO ]: Found specification of procedure state [2018-06-18 15:01:19,924 INFO ]: Found implementation of procedure state [2018-06-18 15:01:19,924 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 15:01:19,924 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 15:01:19,924 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 15:01:20,327 INFO ]: Using library mode [2018-06-18 15:01:20,328 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:01:20 BoogieIcfgContainer [2018-06-18 15:01:20,328 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 15:01:20,329 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 15:01:20,329 INFO ]: Initializing TraceAbstraction... [2018-06-18 15:01:20,333 INFO ]: TraceAbstraction initialized [2018-06-18 15:01:20,333 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:01:19" (1/3) ... [2018-06-18 15:01:20,334 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141a9b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 03:01:20, skipping insertion in model container [2018-06-18 15:01:20,334 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:01:19" (2/3) ... [2018-06-18 15:01:20,335 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141a9b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 03:01:20, skipping insertion in model container [2018-06-18 15:01:20,335 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:01:20" (3/3) ... [2018-06-18 15:01:20,340 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 15:01:20,350 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 15:01:20,359 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 15:01:20,411 INFO ]: Using default assertion order modulation [2018-06-18 15:01:20,412 INFO ]: Interprodecural is true [2018-06-18 15:01:20,412 INFO ]: Hoare is false [2018-06-18 15:01:20,412 INFO ]: Compute interpolants for FPandBP [2018-06-18 15:01:20,412 INFO ]: Backedges is TWOTRACK [2018-06-18 15:01:20,412 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 15:01:20,412 INFO ]: Difference is false [2018-06-18 15:01:20,412 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 15:01:20,412 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 15:01:20,435 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 15:01:20,458 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 15:01:20,458 INFO ]: Found error trace [2018-06-18 15:01:20,459 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:01:20,460 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:01:20,466 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 15:01:20,468 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:01:20,469 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:01:20,519 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:01:20,519 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:01:20,519 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:01:20,638 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:01:20,647 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:01:20,902 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 15:01:20,903 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 15:01:20,904 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 15:01:20,905 INFO ]: Interpolant automaton has 4 states [2018-06-18 15:01:20,917 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 15:01:20,917 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:01:20,919 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 15:01:21,130 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 15:01:21,130 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 15:01:21,131 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 15:01:21,132 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 15:01:21,132 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 15:01:21,153 INFO ]: With dead ends: 13 [2018-06-18 15:01:21,153 INFO ]: Without dead ends: 13 [2018-06-18 15:01:21,156 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:01:21,176 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 15:01:21,215 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 15:01:21,216 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 15:01:21,217 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 15:01:21,219 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 15:01:21,219 INFO ]: Finished accepts. word is rejected. [2018-06-18 15:01:21,219 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 15:01:21,219 INFO ]: Interpolant automaton has 4 states. [2018-06-18 15:01:21,219 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 15:01:21,220 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 15:01:21,220 INFO ]: Found error trace [2018-06-18 15:01:21,221 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:01:21,221 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:01:21,221 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 15:01:21,221 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:01:21,221 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:01:21,222 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:01:21,222 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:01:21,222 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:01:21,373 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:01:21,374 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:01:22,272 WARN ]: Spent 634.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 49 [2018-06-18 15:01:22,523 WARN ]: Spent 168.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 1 [2018-06-18 15:01:22,526 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 15:01:22,526 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 15:01:22,526 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) [2018-06-18 15:01:22,552 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 15:01:22,688 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:01:22,702 INFO ]: Computing forward predicates... [2018-06-18 15:01:23,794 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:01:23,798 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:01:23,813 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:01:23,832 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:01:23,843 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:01:23,847 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:01:23,909 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:01:23,911 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:01:23,914 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:01:23,924 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:01:24,292 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:01:24,298 WARN ]: expecting exponential blowup for input size 8 [2018-06-18 15:01:24,330 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:01:24,362 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:01:24,371 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:01:24,387 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:01:24,398 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:01:24,448 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 15:01:24,615 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 15:01:24,816 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:01:24,833 WARN ]: expecting exponential blowup for input size 7 [2018-06-18 15:01:24,906 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:01:24,909 WARN ]: expecting exponential blowup for input size 19 [2018-06-18 15:01:32,847 WARN ]: Simplifying disjunction of 419904 conjuctions. This might take some time... Received shutdown request... [2018-06-18 15:02:30,469 INFO ]: Timeout while computing interpolants [2018-06-18 15:02:30,672 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 15:02:30,672 WARN ]: Verification canceled [2018-06-18 15:02:30,679 WARN ]: Timeout [2018-06-18 15:02:30,679 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 03:02:30 BoogieIcfgContainer [2018-06-18 15:02:30,679 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 15:02:30,680 INFO ]: Toolchain (without parser) took 71043.03 ms. Allocated memory was 305.7 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 242.1 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.6 GB. Max. memory is 3.6 GB. [2018-06-18 15:02:30,681 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 15:02:30,682 INFO ]: ChcToBoogie took 161.34 ms. Allocated memory is still 305.7 MB. Free memory was 241.1 MB in the beginning and 236.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:02:30,682 INFO ]: Boogie Preprocessor took 80.22 ms. Allocated memory is still 305.7 MB. Free memory was 236.1 MB in the beginning and 235.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:02:30,703 INFO ]: RCFGBuilder took 433.79 ms. Allocated memory is still 305.7 MB. Free memory was 235.0 MB in the beginning and 205.9 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 3.6 GB. [2018-06-18 15:02:30,703 INFO ]: TraceAbstraction took 70349.80 ms. Allocated memory was 305.7 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 205.9 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 3.6 GB. [2018-06-18 15:02:30,706 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 305.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 161.34 ms. Allocated memory is still 305.7 MB. Free memory was 241.1 MB in the beginning and 236.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 80.22 ms. Allocated memory is still 305.7 MB. Free memory was 236.1 MB in the beginning and 235.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 433.79 ms. Allocated memory is still 305.7 MB. Free memory was 235.0 MB in the beginning and 205.9 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 70349.80 ms. Allocated memory was 305.7 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 205.9 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 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, 70.2s 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s 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/FIREFLY_10.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_15-02-30-724.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_10.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_15-02-30-724.csv Completed graceful shutdown