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_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/cav12/transmitter.10.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 04:57:01,810 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 04:57:01,813 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 04:57:01,832 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 04:57:01,832 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 04:57:01,833 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 04:57:01,834 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 04:57:01,837 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 04:57:01,838 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 04:57:01,840 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 04:57:01,843 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 04:57:01,843 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 04:57:01,844 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 04:57:01,845 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 04:57:01,848 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 04:57:01,849 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 04:57:01,851 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 04:57:01,853 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 04:57:01,855 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 04:57:01,856 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 04:57:01,857 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 04:57:01,859 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 04:57:01,860 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 04:57:01,860 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 04:57:01,861 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 04:57:01,861 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 04:57:01,862 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 04:57:01,863 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 04:57:01,864 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 04:57:01,864 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 04:57:01,864 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 04:57:01,865 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 04:57:01,865 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 04:57:01,866 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 04:57:01,867 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 04:57:01,867 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 04:57:01,888 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 04:57:01,888 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 04:57:01,888 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 04:57:01,888 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 04:57:01,890 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 04:57:01,890 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 04:57:01,891 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 04:57:01,891 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 04:57:01,891 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 04:57:01,891 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 04:57:01,892 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 04:57:01,892 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 04:57:01,892 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 04:57:01,892 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 04:57:01,892 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 04:57:01,892 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 04:57:01,894 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 04:57:01,895 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 04:57:01,896 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 04:57:01,947 INFO ]: Repository-Root is: /tmp [2018-06-22 04:57:01,964 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 04:57:01,967 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 04:57:01,969 INFO ]: Initializing SmtParser... [2018-06-22 04:57:01,969 INFO ]: SmtParser initialized [2018-06-22 04:57:01,970 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/cav12/transmitter.10.smt2 [2018-06-22 04:57:01,971 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 04:57:02,051 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/cav12/transmitter.10.smt2 unknown [2018-06-22 04:57:06,499 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/cav12/transmitter.10.smt2 [2018-06-22 04:57:06,510 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 04:57:06,523 INFO ]: Walking toolchain with 4 elements. [2018-06-22 04:57:06,523 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 04:57:06,523 INFO ]: Initializing ChcToBoogie... [2018-06-22 04:57:06,523 INFO ]: ChcToBoogie initialized [2018-06-22 04:57:06,526 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:57:06" (1/1) ... [2018-06-22 04:57:06,705 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:06 Unit [2018-06-22 04:57:06,705 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 04:57:06,706 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 04:57:06,706 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 04:57:06,706 INFO ]: Boogie Preprocessor initialized [2018-06-22 04:57:06,729 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:06" (1/1) ... [2018-06-22 04:57:06,729 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:06" (1/1) ... [2018-06-22 04:57:06,801 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:06" (1/1) ... [2018-06-22 04:57:06,802 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:06" (1/1) ... [2018-06-22 04:57:06,900 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:06" (1/1) ... [2018-06-22 04:57:06,902 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:06" (1/1) ... [2018-06-22 04:57:06,924 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:06" (1/1) ... [2018-06-22 04:57:06,947 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 04:57:06,948 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 04:57:06,948 INFO ]: Initializing RCFGBuilder... [2018-06-22 04:57:06,948 INFO ]: RCFGBuilder initialized [2018-06-22 04:57:06,952 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:06" (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 04:57:06,964 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 04:57:06,964 INFO ]: Found specification of procedure gotoProc [2018-06-22 04:57:06,964 INFO ]: Found implementation of procedure gotoProc [2018-06-22 04:57:06,965 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 04:57:06,965 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 04:57:06,965 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 04:57:10,420 INFO ]: Using library mode [2018-06-22 04:57:10,420 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:57:10 BoogieIcfgContainer [2018-06-22 04:57:10,420 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 04:57:10,422 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 04:57:10,422 INFO ]: Initializing TraceAbstraction... [2018-06-22 04:57:10,425 INFO ]: TraceAbstraction initialized [2018-06-22 04:57:10,425 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:57:06" (1/3) ... [2018-06-22 04:57:10,426 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d085dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:57:10, skipping insertion in model container [2018-06-22 04:57:10,426 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:06" (2/3) ... [2018-06-22 04:57:10,426 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d085dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:57:10, skipping insertion in model container [2018-06-22 04:57:10,426 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:57:10" (3/3) ... [2018-06-22 04:57:10,428 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 04:57:10,437 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 04:57:10,447 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 04:57:10,502 INFO ]: Using default assertion order modulation [2018-06-22 04:57:10,503 INFO ]: Interprodecural is true [2018-06-22 04:57:10,503 INFO ]: Hoare is false [2018-06-22 04:57:10,503 INFO ]: Compute interpolants for FPandBP [2018-06-22 04:57:10,503 INFO ]: Backedges is TWOTRACK [2018-06-22 04:57:10,503 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 04:57:10,503 INFO ]: Difference is false [2018-06-22 04:57:10,503 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 04:57:10,503 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 04:57:10,520 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 04:57:10,535 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 04:57:10,535 INFO ]: Found error trace [2018-06-22 04:57:10,539 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 04:57:10,539 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 04:57:10,545 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-22 04:57:10,547 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 04:57:10,548 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 04:57:10,583 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:57:10,583 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 04:57:10,583 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:57:10,878 INFO ]: Conjunction of SSA is unsat [2018-06-22 04:57:11,083 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 04:57:11,085 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 04:57:11,085 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 04:57:11,087 INFO ]: Interpolant automaton has 3 states [2018-06-22 04:57:11,100 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 04:57:11,100 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 04:57:11,102 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 04:57:11,391 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 04:57:11,391 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 04:57:11,391 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 04:57:11,393 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 04:57:11,393 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 04:57:11,401 INFO ]: With dead ends: 9 [2018-06-22 04:57:11,401 INFO ]: Without dead ends: 9 [2018-06-22 04:57:11,402 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 04:57:11,417 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 04:57:11,446 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 04:57:11,447 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 04:57:11,447 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 04:57:11,448 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 04:57:11,449 INFO ]: Finished accepts. word is rejected. [2018-06-22 04:57:11,449 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 04:57:11,449 INFO ]: Interpolant automaton has 3 states. [2018-06-22 04:57:11,449 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 04:57:11,449 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 04:57:11,449 INFO ]: Found error trace [2018-06-22 04:57:11,449 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 04:57:11,449 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 04:57:11,449 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-22 04:57:11,449 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 04:57:11,449 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 04:57:11,451 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:57:11,451 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 04:57:11,451 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:57:12,161 INFO ]: Conjunction of SSA is unsat [2018-06-22 04:57:13,262 WARN ]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-06-22 04:57:13,334 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 04:57:13,334 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 04:57:13,334 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 04:57:13,349 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 04:57:14,146 INFO ]: Conjunction of SSA is unsat [2018-06-22 04:57:14,211 INFO ]: Computing forward predicates... [2018-06-22 04:57:14,521 WARN ]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-06-22 04:57:16,105 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 04:57:16,139 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 04:57:16,140 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-06-22 04:57:16,140 INFO ]: Interpolant automaton has 6 states [2018-06-22 04:57:16,140 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 04:57:16,140 INFO ]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-06-22 04:57:16,140 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-06-22 04:57:16,568 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 04:57:16,568 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-22 04:57:16,569 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 04:57:16,569 INFO ]: Start accepts. Automaton has 6 states. Word has length 8 [2018-06-22 04:57:16,569 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 04:57:16,569 INFO ]: With dead ends: 11 [2018-06-22 04:57:16,569 INFO ]: Without dead ends: 11 [2018-06-22 04:57:16,570 INFO ]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-06-22 04:57:16,570 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-22 04:57:16,571 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-22 04:57:16,571 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-22 04:57:16,571 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-22 04:57:16,571 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-22 04:57:16,571 INFO ]: Finished accepts. word is rejected. [2018-06-22 04:57:16,571 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-22 04:57:16,571 INFO ]: Interpolant automaton has 6 states. [2018-06-22 04:57:16,571 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-22 04:57:16,572 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-22 04:57:16,572 INFO ]: Found error trace [2018-06-22 04:57:16,572 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 04:57:16,572 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 04:57:16,572 INFO ]: Analyzing trace with hash 145098516, now seen corresponding path program 2 times [2018-06-22 04:57:16,572 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 04:57:16,572 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 04:57:16,573 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:57:16,573 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 04:57:16,573 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 04:57:18,274 INFO ]: Conjunction of SSA is unsat [2018-06-22 04:57:20,179 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 04:57:20,179 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 04:57:20,179 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 04:57:20,185 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 04:57:21,659 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 04:57:21,659 INFO ]: Conjunction of SSA is unsat [2018-06-22 04:57:21,769 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 04:58:05,132 INFO ]: Timeout while computing interpolants [2018-06-22 04:58:05,365 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 04:58:05,365 WARN ]: Verification canceled [2018-06-22 04:58:05,369 WARN ]: Timeout [2018-06-22 04:58:05,370 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:58:05 BoogieIcfgContainer [2018-06-22 04:58:05,370 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 04:58:05,371 INFO ]: Toolchain (without parser) took 58859.82 ms. Allocated memory was 616.0 MB in the beginning and 1.7 GB in the end (delta: 1.1 GB). Free memory was 382.2 MB in the beginning and 1.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-22 04:58:05,372 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 309.9 MB. Free memory is still 275.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 04:58:05,372 INFO ]: ChcToBoogie took 182.32 ms. Allocated memory is still 616.0 MB. Free memory was 382.2 MB in the beginning and 374.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 3.6 GB. [2018-06-22 04:58:05,372 INFO ]: Boogie Preprocessor took 241.28 ms. Allocated memory is still 616.0 MB. Free memory was 374.7 MB in the beginning and 359.6 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 3.6 GB. [2018-06-22 04:58:05,373 INFO ]: RCFGBuilder took 3472.63 ms. Allocated memory was 616.0 MB in the beginning and 1.2 GB in the end (delta: 590.3 MB). Free memory was 359.6 MB in the beginning and 1.0 GB in the end (delta: -662.3 MB). Peak memory consumption was 534.8 MB. Max. memory is 3.6 GB. [2018-06-22 04:58:05,373 INFO ]: TraceAbstraction took 54948.07 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 505.9 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -378.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-22 04:58:05,380 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 309.9 MB. Free memory is still 275.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 182.32 ms. Allocated memory is still 616.0 MB. Free memory was 382.2 MB in the beginning and 374.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 241.28 ms. Allocated memory is still 616.0 MB. Free memory was 374.7 MB in the beginning and 359.6 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 3472.63 ms. Allocated memory was 616.0 MB in the beginning and 1.2 GB in the end (delta: 590.3 MB). Free memory was 359.6 MB in the beginning and 1.0 GB in the end (delta: -662.3 MB). Peak memory consumption was 534.8 MB. Max. memory is 3.6 GB. * TraceAbstraction took 54948.07 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 505.9 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -378.8 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 11 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 14 quantified variables from 4 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 54.8s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 0 SDslu, 15 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=2, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2952 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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/transmitter.10.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_04-58-05-406.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/transmitter.10.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_04-58-05-406.csv Completed graceful shutdown