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_10_e7_919_e2_3192.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:28:13,862 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:28:13,864 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:28:13,878 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:28:13,878 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:28:13,879 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:28:13,883 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:28:13,885 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:28:13,886 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:28:13,887 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:28:13,888 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:28:13,889 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:28:13,889 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:28:13,890 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:28:13,891 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:28:13,892 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:28:13,895 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:28:13,897 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:28:13,909 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:28:13,911 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:28:13,912 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:28:13,914 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:28:13,914 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:28:13,914 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:28:13,915 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:28:13,916 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:28:13,917 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:28:13,925 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:28:13,926 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:28:13,926 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:28:13,927 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:28:13,927 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:28:13,927 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:28:13,928 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:28:13,929 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:28:13,929 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 17:28:13,946 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:28:13,946 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:28:13,947 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:28:13,947 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:28:13,948 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:28:13,948 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:28:13,948 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:28:13,948 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:28:13,949 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:28:13,949 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:28:13,949 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:28:13,949 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:28:13,949 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:28:13,950 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:28:13,950 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:28:13,950 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:28:13,950 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:28:13,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:28:13,950 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:28:13,952 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:28:13,952 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:28:13,989 INFO ]: Repository-Root is: /tmp [2018-06-22 17:28:14,005 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:28:14,009 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:28:14,011 INFO ]: Initializing SmtParser... [2018-06-22 17:28:14,011 INFO ]: SmtParser initialized [2018-06-22 17:28:14,011 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_10_e7_919_e2_3192.smt2 [2018-06-22 17:28:14,013 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 17:28:14,111 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_10_e7_919_e2_3192.smt2 unknown [2018-06-22 17:28:14,632 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_10_e7_919_e2_3192.smt2 [2018-06-22 17:28:14,638 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:28:14,654 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:28:14,654 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:28:14,654 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:28:14,655 INFO ]: ChcToBoogie initialized [2018-06-22 17:28:14,658 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:28:14" (1/1) ... [2018-06-22 17:28:14,737 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:14 Unit [2018-06-22 17:28:14,737 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:28:14,737 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:28:14,737 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:28:14,737 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:28:14,758 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:14" (1/1) ... [2018-06-22 17:28:14,758 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:14" (1/1) ... [2018-06-22 17:28:14,771 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:14" (1/1) ... [2018-06-22 17:28:14,771 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:14" (1/1) ... [2018-06-22 17:28:14,791 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:14" (1/1) ... [2018-06-22 17:28:14,793 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:14" (1/1) ... [2018-06-22 17:28:14,804 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:14" (1/1) ... [2018-06-22 17:28:14,808 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:28:14,809 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:28:14,809 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:28:14,809 INFO ]: RCFGBuilder initialized [2018-06-22 17:28:14,811 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:14" (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 17:28:14,842 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:28:14,842 INFO ]: Found specification of procedure False [2018-06-22 17:28:14,842 INFO ]: Found implementation of procedure False [2018-06-22 17:28:14,842 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:28:14,842 INFO ]: Found specification of procedure state [2018-06-22 17:28:14,842 INFO ]: Found implementation of procedure state [2018-06-22 17:28:14,842 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:28:14,842 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:28:14,842 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 17:28:15,175 INFO ]: Using library mode [2018-06-22 17:28:15,175 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:28:15 BoogieIcfgContainer [2018-06-22 17:28:15,175 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:28:15,181 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:28:15,181 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:28:15,187 INFO ]: TraceAbstraction initialized [2018-06-22 17:28:15,188 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:28:14" (1/3) ... [2018-06-22 17:28:15,189 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8e234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:28:15, skipping insertion in model container [2018-06-22 17:28:15,189 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:28:14" (2/3) ... [2018-06-22 17:28:15,189 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8e234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:28:15, skipping insertion in model container [2018-06-22 17:28:15,189 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:28:15" (3/3) ... [2018-06-22 17:28:15,192 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:28:15,202 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:28:15,213 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:28:15,265 INFO ]: Using default assertion order modulation [2018-06-22 17:28:15,266 INFO ]: Interprodecural is true [2018-06-22 17:28:15,266 INFO ]: Hoare is false [2018-06-22 17:28:15,266 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:28:15,266 INFO ]: Backedges is TWOTRACK [2018-06-22 17:28:15,266 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:28:15,266 INFO ]: Difference is false [2018-06-22 17:28:15,266 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:28:15,266 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:28:15,280 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:28:15,291 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:28:15,291 INFO ]: Found error trace [2018-06-22 17:28:15,292 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:28:15,292 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:28:15,297 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:28:15,299 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:28:15,299 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:28:15,338 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:28:15,338 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:28:15,338 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:28:15,445 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:28:15,629 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:28:15,631 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:28:15,631 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:28:15,632 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:28:15,644 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:28:15,645 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:28:15,647 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:28:15,757 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:28:15,757 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:28:15,758 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:28:15,759 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:28:15,759 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:28:15,770 INFO ]: With dead ends: 13 [2018-06-22 17:28:15,770 INFO ]: Without dead ends: 13 [2018-06-22 17:28:15,772 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:28:15,803 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:28:15,826 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:28:15,827 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:28:15,828 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:28:15,829 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:28:15,829 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:28:15,829 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:28:15,829 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:28:15,829 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:28:15,830 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:28:15,830 INFO ]: Found error trace [2018-06-22 17:28:15,830 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:28:15,830 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:28:15,831 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:28:15,831 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:28:15,831 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:28:15,832 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:28:15,832 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:28:15,832 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:28:15,947 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:28:16,697 WARN ]: Spent 513.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 16 [2018-06-22 17:28:16,741 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:28:16,741 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:28:16,741 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 17:28:16,753 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:28:16,900 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:28:16,914 INFO ]: Computing forward predicates... [2018-06-22 17:28:17,842 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:28:18,297 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 17:28:18,612 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 17:28:18,966 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:28:19,053 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:28:19,060 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:28:19,094 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:28:19,133 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:28:19,174 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 17:28:19,586 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:28:19,589 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:28:19,600 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:28:19,629 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 17:28:20,381 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:28:20,407 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:28:20,421 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:28:20,427 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:28:20,436 WARN ]: expecting exponential blowup for input size 15 [2018-06-22 17:28:21,170 WARN ]: Simplifying disjunction of 46656 conjuctions. This might take some time... Received shutdown request... [2018-06-22 17:29:34,112 INFO ]: Timeout while computing interpolants [2018-06-22 17:29:34,313 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:29:34,313 WARN ]: Verification canceled [2018-06-22 17:29:34,316 WARN ]: Timeout [2018-06-22 17:29:34,317 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:29:34 BoogieIcfgContainer [2018-06-22 17:29:34,317 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:29:34,317 INFO ]: Toolchain (without parser) took 79676.98 ms. Allocated memory was 304.6 MB in the beginning and 1.3 GB in the end (delta: 958.4 MB). Free memory was 239.8 MB in the beginning and 394.1 MB in the end (delta: -154.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:29:34,318 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 304.6 MB. Free memory is still 269.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:29:34,319 INFO ]: ChcToBoogie took 82.51 ms. Allocated memory is still 304.6 MB. Free memory was 239.8 MB in the beginning and 237.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:29:34,327 INFO ]: Boogie Preprocessor took 70.84 ms. Allocated memory is still 304.6 MB. Free memory was 237.8 MB in the beginning and 235.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:29:34,328 INFO ]: RCFGBuilder took 366.64 ms. Allocated memory is still 304.6 MB. Free memory was 235.8 MB in the beginning and 208.2 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 3.6 GB. [2018-06-22 17:29:34,328 INFO ]: TraceAbstraction took 79135.41 ms. Allocated memory was 304.6 MB in the beginning and 1.3 GB in the end (delta: 958.4 MB). Free memory was 208.2 MB in the beginning and 394.1 MB in the end (delta: -185.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:29:34,331 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 304.6 MB. Free memory is still 269.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 82.51 ms. Allocated memory is still 304.6 MB. Free memory was 239.8 MB in the beginning and 237.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 70.84 ms. Allocated memory is still 304.6 MB. Free memory was 237.8 MB in the beginning and 235.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 366.64 ms. Allocated memory is still 304.6 MB. Free memory was 235.8 MB in the beginning and 208.2 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 3.6 GB. * TraceAbstraction took 79135.41 ms. Allocated memory was 304.6 MB in the beginning and 1.3 GB in the end (delta: 958.4 MB). Free memory was 208.2 MB in the beginning and 394.1 MB in the end (delta: -185.9 MB). Peak memory consumption was 1.3 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 46656 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 79.0s 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, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 0.1s 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_e7_919_e2_3192.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-29-34-350.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_10_e7_919_e2_3192.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-29-34-350.csv Completed graceful shutdown