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_5_e1_2552_e7_1169.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:45:43,684 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:45:43,686 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:45:43,700 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:45:43,700 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:45:43,704 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:45:43,705 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:45:43,707 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:45:43,708 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:45:43,709 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:45:43,711 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:45:43,711 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:45:43,712 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:45:43,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:45:43,713 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:45:43,717 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:45:43,719 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:45:43,726 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:45:43,728 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:45:43,733 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:45:43,734 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:45:43,736 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:45:43,736 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:45:43,736 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:45:43,737 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:45:43,737 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:45:43,738 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:45:43,739 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:45:43,740 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:45:43,740 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:45:43,740 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:45:43,741 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:45:43,741 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:45:43,742 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:45:43,742 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:45:43,743 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 17:45:43,760 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:45:43,761 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:45:43,761 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:45:43,761 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:45:43,763 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:45:43,763 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:45:43,763 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:45:43,763 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:45:43,764 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:45:43,764 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:45:43,764 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:45:43,764 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:45:43,764 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:45:43,765 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:45:43,765 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:45:43,765 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:45:43,765 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:45:43,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:45:43,766 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:45:43,768 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:45:43,769 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:45:43,834 INFO ]: Repository-Root is: /tmp [2018-06-22 17:45:43,845 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:45:43,854 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:45:43,855 INFO ]: Initializing SmtParser... [2018-06-22 17:45:43,856 INFO ]: SmtParser initialized [2018-06-22 17:45:43,856 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_5_e1_2552_e7_1169.smt2 [2018-06-22 17:45:43,858 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 17:45:43,946 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_5_e1_2552_e7_1169.smt2 unknown [2018-06-22 17:45:44,512 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_5_e1_2552_e7_1169.smt2 [2018-06-22 17:45:44,516 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:45:44,530 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:45:44,531 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:45:44,531 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:45:44,531 INFO ]: ChcToBoogie initialized [2018-06-22 17:45:44,533 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:45:44" (1/1) ... [2018-06-22 17:45:44,596 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:44 Unit [2018-06-22 17:45:44,596 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:45:44,597 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:45:44,597 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:45:44,597 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:45:44,618 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:44" (1/1) ... [2018-06-22 17:45:44,618 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:44" (1/1) ... [2018-06-22 17:45:44,639 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:44" (1/1) ... [2018-06-22 17:45:44,639 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:44" (1/1) ... [2018-06-22 17:45:44,659 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:44" (1/1) ... [2018-06-22 17:45:44,660 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:44" (1/1) ... [2018-06-22 17:45:44,663 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:44" (1/1) ... [2018-06-22 17:45:44,669 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:45:44,670 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:45:44,670 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:45:44,670 INFO ]: RCFGBuilder initialized [2018-06-22 17:45:44,671 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:44" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:45:44,691 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:45:44,691 INFO ]: Found specification of procedure False [2018-06-22 17:45:44,691 INFO ]: Found implementation of procedure False [2018-06-22 17:45:44,691 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:45:44,691 INFO ]: Found specification of procedure state [2018-06-22 17:45:44,691 INFO ]: Found implementation of procedure state [2018-06-22 17:45:44,691 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:45:44,691 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:45:44,691 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 17:45:44,996 INFO ]: Using library mode [2018-06-22 17:45:44,997 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:45:44 BoogieIcfgContainer [2018-06-22 17:45:44,997 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:45:44,998 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:45:44,998 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:45:45,004 INFO ]: TraceAbstraction initialized [2018-06-22 17:45:45,004 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:45:44" (1/3) ... [2018-06-22 17:45:45,005 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a81611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:45:45, skipping insertion in model container [2018-06-22 17:45:45,005 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:44" (2/3) ... [2018-06-22 17:45:45,005 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a81611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:45:45, skipping insertion in model container [2018-06-22 17:45:45,005 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:45:44" (3/3) ... [2018-06-22 17:45:45,007 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:45:45,016 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:45:45,027 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:45:45,076 INFO ]: Using default assertion order modulation [2018-06-22 17:45:45,076 INFO ]: Interprodecural is true [2018-06-22 17:45:45,076 INFO ]: Hoare is false [2018-06-22 17:45:45,076 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:45:45,076 INFO ]: Backedges is TWOTRACK [2018-06-22 17:45:45,076 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:45:45,076 INFO ]: Difference is false [2018-06-22 17:45:45,076 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:45:45,076 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:45:45,094 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:45:45,106 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:45:45,106 INFO ]: Found error trace [2018-06-22 17:45:45,107 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:45:45,107 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:45:45,112 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:45:45,114 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:45:45,114 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:45:45,155 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:45:45,155 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:45:45,155 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:45:45,264 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:45:45,568 WARN ]: Spent 102.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 1 [2018-06-22 17:45:45,570 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:45:45,573 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:45:45,573 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:45:45,575 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:45:45,590 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:45:45,591 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:45:45,595 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:45:45,778 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:45:45,778 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:45:45,778 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:45:45,780 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:45:45,780 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:45:45,790 INFO ]: With dead ends: 13 [2018-06-22 17:45:45,791 INFO ]: Without dead ends: 13 [2018-06-22 17:45:45,792 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 17:45:45,812 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:45:45,839 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:45:45,840 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:45:45,841 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:45:45,842 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:45:45,842 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:45:45,842 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:45:45,842 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:45:45,842 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:45:45,843 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:45:45,843 INFO ]: Found error trace [2018-06-22 17:45:45,843 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:45:45,843 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:45:45,844 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:45:45,844 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:45:45,844 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:45:45,845 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:45:45,845 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:45:45,845 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:45:45,924 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:45:46,479 WARN ]: Spent 259.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2018-06-22 17:45:46,681 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:45:46,681 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:45:46,681 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 17:45:46,687 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:45:46,813 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:45:46,826 INFO ]: Computing forward predicates... [2018-06-22 17:45:47,962 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:45:47,974 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:45:47,982 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:45:48,015 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:45:48,025 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:45:48,029 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:45:48,033 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:45:48,035 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:45:48,051 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:45:48,056 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:45:48,057 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:45:48,126 WARN ]: expecting exponential blowup for input size 16 [2018-06-22 17:45:48,852 WARN ]: Simplifying disjunction of 34992 conjuctions. This might take some time... Received shutdown request... [2018-06-22 17:47:04,716 INFO ]: Timeout while computing interpolants [2018-06-22 17:47:04,917 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:47:04,917 WARN ]: Verification canceled [2018-06-22 17:47:04,921 WARN ]: Timeout [2018-06-22 17:47:04,921 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:47:04 BoogieIcfgContainer [2018-06-22 17:47:04,921 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:47:04,922 INFO ]: Toolchain (without parser) took 80405.32 ms. Allocated memory was 309.3 MB in the beginning and 397.4 MB in the end (delta: 88.1 MB). Free memory was 244.8 MB in the beginning and 242.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 167.6 MB. Max. memory is 3.6 GB. [2018-06-22 17:47:04,922 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:47:04,923 INFO ]: ChcToBoogie took 66.04 ms. Allocated memory is still 309.3 MB. Free memory was 244.8 MB in the beginning and 241.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:47:04,935 INFO ]: Boogie Preprocessor took 72.13 ms. Allocated memory is still 309.3 MB. Free memory was 241.8 MB in the beginning and 239.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:47:04,936 INFO ]: RCFGBuilder took 327.18 ms. Allocated memory is still 309.3 MB. Free memory was 239.8 MB in the beginning and 211.6 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 3.6 GB. [2018-06-22 17:47:04,936 INFO ]: TraceAbstraction took 79922.70 ms. Allocated memory was 309.3 MB in the beginning and 397.4 MB in the end (delta: 88.1 MB). Free memory was 211.6 MB in the beginning and 242.9 MB in the end (delta: -31.3 MB). Peak memory consumption was 134.4 MB. Max. memory is 3.6 GB. [2018-06-22 17:47:04,939 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 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 66.04 ms. Allocated memory is still 309.3 MB. Free memory was 244.8 MB in the beginning and 241.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 72.13 ms. Allocated memory is still 309.3 MB. Free memory was 241.8 MB in the beginning and 239.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 327.18 ms. Allocated memory is still 309.3 MB. Free memory was 239.8 MB in the beginning and 211.6 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 79922.70 ms. Allocated memory was 309.3 MB in the beginning and 397.4 MB in the end (delta: 88.1 MB). Free memory was 211.6 MB in the beginning and 242.9 MB in the end (delta: -31.3 MB). Peak memory consumption was 134.4 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, 79.8s 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, 0.0s 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_5_e1_2552_e7_1169.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-47-04-955.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_5_e1_2552_e7_1169.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-47-04-955.csv Completed graceful shutdown