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_e1_3457.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:29:37,773 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:29:37,776 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:29:37,790 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:29:37,790 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:29:37,791 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:29:37,792 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:29:37,797 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:29:37,799 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:29:37,799 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:29:37,802 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:29:37,802 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:29:37,803 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:29:37,804 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:29:37,804 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:29:37,807 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:29:37,809 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:29:37,818 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:29:37,819 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:29:37,820 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:29:37,821 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:29:37,827 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:29:37,827 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:29:37,827 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:29:37,828 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:29:37,828 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:29:37,829 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:29:37,830 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:29:37,833 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:29:37,833 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:29:37,834 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:29:37,834 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:29:37,834 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:29:37,835 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:29:37,836 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:29:37,838 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 17:29:37,856 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:29:37,857 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:29:37,857 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:29:37,857 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:29:37,858 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:29:37,859 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:29:37,859 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:29:37,859 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:29:37,859 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:29:37,859 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:29:37,860 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:29:37,860 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:29:37,860 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:29:37,860 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:29:37,860 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:29:37,860 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:29:37,863 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:29:37,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:29:37,863 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:29:37,865 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:29:37,865 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:29:37,910 INFO ]: Repository-Root is: /tmp [2018-06-22 17:29:37,925 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:29:37,929 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:29:37,931 INFO ]: Initializing SmtParser... [2018-06-22 17:29:37,931 INFO ]: SmtParser initialized [2018-06-22 17:29:37,932 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_11_e1_3457.smt2 [2018-06-22 17:29:37,934 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 17:29:38,025 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_11_e1_3457.smt2 unknown [2018-06-22 17:29:38,528 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_11_e1_3457.smt2 [2018-06-22 17:29:38,533 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:29:38,539 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:29:38,539 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:29:38,539 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:29:38,539 INFO ]: ChcToBoogie initialized [2018-06-22 17:29:38,542 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:29:38" (1/1) ... [2018-06-22 17:29:38,634 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:38 Unit [2018-06-22 17:29:38,634 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:29:38,635 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:29:38,635 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:29:38,635 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:29:38,665 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:38" (1/1) ... [2018-06-22 17:29:38,666 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:38" (1/1) ... [2018-06-22 17:29:38,686 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:38" (1/1) ... [2018-06-22 17:29:38,686 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:38" (1/1) ... [2018-06-22 17:29:38,701 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:38" (1/1) ... [2018-06-22 17:29:38,702 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:38" (1/1) ... [2018-06-22 17:29:38,705 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:38" (1/1) ... [2018-06-22 17:29:38,710 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:29:38,711 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:29:38,711 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:29:38,711 INFO ]: RCFGBuilder initialized [2018-06-22 17:29:38,712 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:38" (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 17:29:38,769 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:29:38,769 INFO ]: Found specification of procedure False [2018-06-22 17:29:38,769 INFO ]: Found implementation of procedure False [2018-06-22 17:29:38,769 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:29:38,769 INFO ]: Found specification of procedure state [2018-06-22 17:29:38,769 INFO ]: Found implementation of procedure state [2018-06-22 17:29:38,769 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:29:38,769 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:29:38,769 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 17:29:39,206 INFO ]: Using library mode [2018-06-22 17:29:39,207 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:29:39 BoogieIcfgContainer [2018-06-22 17:29:39,207 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:29:39,211 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:29:39,211 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:29:39,214 INFO ]: TraceAbstraction initialized [2018-06-22 17:29:39,214 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:29:38" (1/3) ... [2018-06-22 17:29:39,215 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619f2911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:29:39, skipping insertion in model container [2018-06-22 17:29:39,215 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:29:38" (2/3) ... [2018-06-22 17:29:39,215 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619f2911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:29:39, skipping insertion in model container [2018-06-22 17:29:39,216 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:29:39" (3/3) ... [2018-06-22 17:29:39,217 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:29:39,228 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:29:39,237 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:29:39,287 INFO ]: Using default assertion order modulation [2018-06-22 17:29:39,288 INFO ]: Interprodecural is true [2018-06-22 17:29:39,288 INFO ]: Hoare is false [2018-06-22 17:29:39,288 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:29:39,288 INFO ]: Backedges is TWOTRACK [2018-06-22 17:29:39,288 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:29:39,288 INFO ]: Difference is false [2018-06-22 17:29:39,288 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:29:39,288 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:29:39,305 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:29:39,316 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:29:39,316 INFO ]: Found error trace [2018-06-22 17:29:39,317 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:29:39,317 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:29:39,322 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 17:29:39,324 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:29:39,325 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:29:39,357 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:29:39,357 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:29:39,357 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:29:39,441 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:29:39,759 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:29:39,761 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:29:39,761 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:29:39,762 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:29:39,772 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:29:39,773 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:29:39,774 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:29:39,941 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:29:39,941 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:29:39,945 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:29:39,946 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:29:39,947 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:29:39,961 INFO ]: With dead ends: 13 [2018-06-22 17:29:39,961 INFO ]: Without dead ends: 13 [2018-06-22 17:29:39,963 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 [2018-06-22 17:29:39,978 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:29:40,014 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:29:40,015 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:29:40,016 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:29:40,017 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:29:40,017 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:29:40,017 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:29:40,017 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:29:40,017 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:29:40,018 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:29:40,018 INFO ]: Found error trace [2018-06-22 17:29:40,018 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:29:40,019 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:29:40,019 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 17:29:40,019 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:29:40,019 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:29:40,020 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:29:40,020 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:29:40,020 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:29:40,160 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:29:41,211 WARN ]: Spent 748.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 45 [2018-06-22 17:29:41,466 WARN ]: Spent 120.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 1 [2018-06-22 17:29:41,469 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:29:41,469 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:29:41,469 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) [2018-06-22 17:29:41,485 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:29:41,618 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:29:41,631 INFO ]: Computing forward predicates... [2018-06-22 17:29:42,641 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 17:29:43,188 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:29:43,189 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:29:43,195 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:29:43,201 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 17:29:43,345 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:29:43,347 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:29:43,349 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:29:43,359 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:29:43,365 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:29:43,471 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:29:43,485 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:29:43,557 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:29:43,565 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 17:29:43,983 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 17:29:44,246 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 17:29:51,691 WARN ]: Simplifying disjunction of 419904 conjuctions. This might take some time... Received shutdown request... [2018-06-22 17:30:55,123 INFO ]: Timeout while computing interpolants [2018-06-22 17:30:55,324 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:30:55,324 WARN ]: Verification canceled [2018-06-22 17:30:55,330 WARN ]: Timeout [2018-06-22 17:30:55,330 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:30:55 BoogieIcfgContainer [2018-06-22 17:30:55,330 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:30:55,332 INFO ]: Toolchain (without parser) took 76798.28 ms. Allocated memory was 302.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 237.9 MB in the beginning and 744.9 MB in the end (delta: -507.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-22 17:30:55,342 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 302.5 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:30:55,342 INFO ]: ChcToBoogie took 95.49 ms. Allocated memory is still 302.5 MB. Free memory was 237.9 MB in the beginning and 235.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:30:55,342 INFO ]: Boogie Preprocessor took 75.36 ms. Allocated memory is still 302.5 MB. Free memory was 235.0 MB in the beginning and 233.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:30:55,343 INFO ]: RCFGBuilder took 496.34 ms. Allocated memory is still 302.5 MB. Free memory was 232.9 MB in the beginning and 204.9 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:30:55,343 INFO ]: TraceAbstraction took 76119.63 ms. Allocated memory was 302.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 204.9 MB in the beginning and 744.9 MB in the end (delta: -540.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-22 17:30:55,355 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 268.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 95.49 ms. Allocated memory is still 302.5 MB. Free memory was 237.9 MB in the beginning and 235.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 75.36 ms. Allocated memory is still 302.5 MB. Free memory was 235.0 MB in the beginning and 233.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 496.34 ms. Allocated memory is still 302.5 MB. Free memory was 232.9 MB in the beginning and 204.9 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 76119.63 ms. Allocated memory was 302.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 204.9 MB in the beginning and 744.9 MB in the end (delta: -540.0 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, 0.1s 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, 0.1s 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, 0.0s 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_e1_3457.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-30-55-387.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_11_e1_3457.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-30-55-387.csv Completed graceful shutdown