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_luke_1a_e7_3042_e3_1213.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 18:16:47,084 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 18:16:47,086 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 18:16:47,097 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 18:16:47,097 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 18:16:47,098 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 18:16:47,099 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 18:16:47,104 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 18:16:47,106 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 18:16:47,108 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 18:16:47,108 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 18:16:47,109 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 18:16:47,109 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 18:16:47,111 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 18:16:47,111 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 18:16:47,112 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 18:16:47,114 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 18:16:47,115 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 18:16:47,126 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 18:16:47,127 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 18:16:47,128 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 18:16:47,130 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 18:16:47,131 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 18:16:47,131 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 18:16:47,132 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 18:16:47,133 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 18:16:47,133 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 18:16:47,134 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 18:16:47,138 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 18:16:47,139 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 18:16:47,139 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 18:16:47,142 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 18:16:47,142 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 18:16:47,143 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 18:16:47,144 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 18:16:47,144 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 18:16:47,163 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 18:16:47,163 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 18:16:47,163 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 18:16:47,163 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 18:16:47,164 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 18:16:47,165 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 18:16:47,165 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 18:16:47,165 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 18:16:47,165 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 18:16:47,165 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 18:16:47,166 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 18:16:47,166 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 18:16:47,166 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 18:16:47,166 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 18:16:47,166 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 18:16:47,167 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 18:16:47,167 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 18:16:47,167 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 18:16:47,167 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 18:16:47,168 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 18:16:47,169 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 18:16:47,214 INFO ]: Repository-Root is: /tmp [2018-06-22 18:16:47,230 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 18:16:47,237 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 18:16:47,238 INFO ]: Initializing SmtParser... [2018-06-22 18:16:47,238 INFO ]: SmtParser initialized [2018-06-22 18:16:47,239 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_luke_1a_e7_3042_e3_1213.smt2 [2018-06-22 18:16:47,240 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 18:16:47,333 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_luke_1a_e7_3042_e3_1213.smt2 unknown [2018-06-22 18:16:47,864 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_luke_1a_e7_3042_e3_1213.smt2 [2018-06-22 18:16:47,869 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 18:16:47,874 INFO ]: Walking toolchain with 4 elements. [2018-06-22 18:16:47,875 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 18:16:47,875 INFO ]: Initializing ChcToBoogie... [2018-06-22 18:16:47,875 INFO ]: ChcToBoogie initialized [2018-06-22 18:16:47,878 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:16:47" (1/1) ... [2018-06-22 18:16:47,936 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:16:47 Unit [2018-06-22 18:16:47,936 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 18:16:47,937 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 18:16:47,937 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 18:16:47,937 INFO ]: Boogie Preprocessor initialized [2018-06-22 18:16:47,975 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:16:47" (1/1) ... [2018-06-22 18:16:47,975 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:16:47" (1/1) ... [2018-06-22 18:16:48,007 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:16:47" (1/1) ... [2018-06-22 18:16:48,008 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:16:47" (1/1) ... [2018-06-22 18:16:48,019 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:16:47" (1/1) ... [2018-06-22 18:16:48,020 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:16:47" (1/1) ... [2018-06-22 18:16:48,023 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:16:47" (1/1) ... [2018-06-22 18:16:48,028 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 18:16:48,028 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 18:16:48,028 INFO ]: Initializing RCFGBuilder... [2018-06-22 18:16:48,028 INFO ]: RCFGBuilder initialized [2018-06-22 18:16:48,029 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:16:47" (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 18:16:48,038 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 18:16:48,038 INFO ]: Found specification of procedure False [2018-06-22 18:16:48,038 INFO ]: Found implementation of procedure False [2018-06-22 18:16:48,038 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 18:16:48,039 INFO ]: Found specification of procedure state [2018-06-22 18:16:48,039 INFO ]: Found implementation of procedure state [2018-06-22 18:16:48,039 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 18:16:48,039 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 18:16:48,039 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 18:16:48,401 INFO ]: Using library mode [2018-06-22 18:16:48,402 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:16:48 BoogieIcfgContainer [2018-06-22 18:16:48,402 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 18:16:48,403 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 18:16:48,403 INFO ]: Initializing TraceAbstraction... [2018-06-22 18:16:48,407 INFO ]: TraceAbstraction initialized [2018-06-22 18:16:48,408 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:16:47" (1/3) ... [2018-06-22 18:16:48,408 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13208ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 06:16:48, skipping insertion in model container [2018-06-22 18:16:48,409 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:16:47" (2/3) ... [2018-06-22 18:16:48,409 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13208ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:16:48, skipping insertion in model container [2018-06-22 18:16:48,409 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:16:48" (3/3) ... [2018-06-22 18:16:48,411 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 18:16:48,421 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 18:16:48,429 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 18:16:48,474 INFO ]: Using default assertion order modulation [2018-06-22 18:16:48,474 INFO ]: Interprodecural is true [2018-06-22 18:16:48,474 INFO ]: Hoare is false [2018-06-22 18:16:48,474 INFO ]: Compute interpolants for FPandBP [2018-06-22 18:16:48,474 INFO ]: Backedges is TWOTRACK [2018-06-22 18:16:48,474 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 18:16:48,475 INFO ]: Difference is false [2018-06-22 18:16:48,475 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 18:16:48,475 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 18:16:48,496 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 18:16:48,511 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 18:16:48,511 INFO ]: Found error trace [2018-06-22 18:16:48,512 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:16:48,512 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:16:48,518 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 18:16:48,520 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:16:48,520 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:16:48,557 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:16:48,557 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:16:48,557 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:16:48,651 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:16:48,922 WARN ]: Spent 106.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 1 [2018-06-22 18:16:48,925 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 18:16:48,927 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 18:16:48,928 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 18:16:48,930 INFO ]: Interpolant automaton has 4 states [2018-06-22 18:16:48,945 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 18:16:48,946 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 18:16:48,948 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 18:16:49,096 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 18:16:49,096 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 18:16:49,097 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 18:16:49,099 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 18:16:49,099 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 18:16:49,112 INFO ]: With dead ends: 13 [2018-06-22 18:16:49,112 INFO ]: Without dead ends: 13 [2018-06-22 18:16:49,116 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 18:16:49,154 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 18:16:49,185 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 18:16:49,191 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 18:16:49,191 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 18:16:49,193 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 18:16:49,193 INFO ]: Finished accepts. word is rejected. [2018-06-22 18:16:49,193 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 18:16:49,193 INFO ]: Interpolant automaton has 4 states. [2018-06-22 18:16:49,193 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 18:16:49,194 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 18:16:49,194 INFO ]: Found error trace [2018-06-22 18:16:49,194 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:16:49,194 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:16:49,195 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 18:16:49,195 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:16:49,195 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:16:49,196 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:16:49,196 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:16:49,196 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:16:49,362 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:16:50,849 WARN ]: Spent 1.15 s on a formula simplification. DAG size of input: 81 DAG size of output: 31 [2018-06-22 18:16:51,109 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 18:16:51,109 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 18:16:51,109 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 18:16:51,121 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:16:51,250 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:16:51,261 INFO ]: Computing forward predicates... [2018-06-22 18:16:52,204 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 18:16:53,004 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:16:53,005 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:16:53,013 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:16:53,021 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 18:16:53,200 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:16:53,203 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:16:53,204 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:16:53,223 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 18:16:53,230 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:16:53,281 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:16:53,309 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:16:53,381 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 18:16:53,388 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 18:16:53,902 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 18:16:54,232 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 18:17:01,047 WARN ]: Simplifying disjunction of 419904 conjuctions. This might take some time... Received shutdown request... [2018-06-22 18:18:03,790 INFO ]: Timeout while computing interpolants [2018-06-22 18:18:03,990 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 18:18:03,990 WARN ]: Verification canceled [2018-06-22 18:18:03,994 WARN ]: Timeout [2018-06-22 18:18:03,994 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:18:03 BoogieIcfgContainer [2018-06-22 18:18:03,994 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 18:18:03,995 INFO ]: Toolchain (without parser) took 76125.98 ms. Allocated memory was 306.7 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 243.7 MB in the beginning and 880.7 MB in the end (delta: -637.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-22 18:18:03,996 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 306.7 MB. Free memory is still 272.5 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 18:18:03,996 INFO ]: ChcToBoogie took 61.68 ms. Allocated memory is still 306.7 MB. Free memory was 242.7 MB in the beginning and 240.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:18:03,997 INFO ]: Boogie Preprocessor took 91.00 ms. Allocated memory is still 306.7 MB. Free memory was 240.7 MB in the beginning and 238.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:18:03,997 INFO ]: RCFGBuilder took 373.68 ms. Allocated memory is still 306.7 MB. Free memory was 238.7 MB in the beginning and 210.1 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 3.6 GB. [2018-06-22 18:18:03,998 INFO ]: TraceAbstraction took 75591.25 ms. Allocated memory was 306.7 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 210.1 MB in the beginning and 880.7 MB in the end (delta: -670.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 3.6 GB. [2018-06-22 18:18:04,001 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 306.7 MB. Free memory is still 272.5 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 61.68 ms. Allocated memory is still 306.7 MB. Free memory was 242.7 MB in the beginning and 240.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 91.00 ms. Allocated memory is still 306.7 MB. Free memory was 240.7 MB in the beginning and 238.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 373.68 ms. Allocated memory is still 306.7 MB. Free memory was 238.7 MB in the beginning and 210.1 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 3.6 GB. * TraceAbstraction took 75591.25 ms. Allocated memory was 306.7 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 210.1 MB in the beginning and 880.7 MB in the end (delta: -670.7 MB). Peak memory consumption was 1.1 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, 75.5s 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, 0.2s 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_luke_1a_e7_3042_e3_1213.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_18-18-04-020.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_luke_1a_e7_3042_e3_1213.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_18-18-04-020.csv Completed graceful shutdown