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/lustre/durationThm_3_e1_36.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 07:30:34,420 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 07:30:34,422 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 07:30:34,434 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 07:30:34,436 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 07:30:34,436 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 07:30:34,438 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 07:30:34,441 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 07:30:34,443 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 07:30:34,445 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 07:30:34,446 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 07:30:34,446 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 07:30:34,447 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 07:30:34,448 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 07:30:34,448 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 07:30:34,452 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 07:30:34,454 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 07:30:34,467 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 07:30:34,468 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 07:30:34,469 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 07:30:34,470 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 07:30:34,472 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 07:30:34,472 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 07:30:34,473 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 07:30:34,473 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 07:30:34,474 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 07:30:34,475 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 07:30:34,476 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 07:30:34,476 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 07:30:34,477 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 07:30:34,477 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 07:30:34,478 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 07:30:34,478 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 07:30:34,479 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 07:30:34,480 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 07:30:34,480 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 07:30:34,495 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 07:30:34,495 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 07:30:34,496 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 07:30:34,496 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 07:30:34,500 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 07:30:34,500 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 07:30:34,500 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 07:30:34,500 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 07:30:34,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 07:30:34,501 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 07:30:34,501 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 07:30:34,501 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 07:30:34,501 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 07:30:34,502 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 07:30:34,502 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 07:30:34,502 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 07:30:34,502 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 07:30:34,504 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 07:30:34,505 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 07:30:34,560 INFO ]: Repository-Root is: /tmp [2018-06-22 07:30:34,576 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 07:30:34,579 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 07:30:34,581 INFO ]: Initializing SmtParser... [2018-06-22 07:30:34,581 INFO ]: SmtParser initialized [2018-06-22 07:30:34,582 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/durationThm_3_e1_36.smt2 [2018-06-22 07:30:34,583 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 07:30:34,678 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/durationThm_3_e1_36.smt2 unknown [2018-06-22 07:30:34,958 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/durationThm_3_e1_36.smt2 [2018-06-22 07:30:34,962 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 07:30:34,968 INFO ]: Walking toolchain with 4 elements. [2018-06-22 07:30:34,968 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 07:30:34,968 INFO ]: Initializing ChcToBoogie... [2018-06-22 07:30:34,969 INFO ]: ChcToBoogie initialized [2018-06-22 07:30:34,974 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:30:34" (1/1) ... [2018-06-22 07:30:35,041 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:30:35 Unit [2018-06-22 07:30:35,041 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 07:30:35,042 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 07:30:35,042 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 07:30:35,042 INFO ]: Boogie Preprocessor initialized [2018-06-22 07:30:35,063 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:30:35" (1/1) ... [2018-06-22 07:30:35,063 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:30:35" (1/1) ... [2018-06-22 07:30:35,070 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:30:35" (1/1) ... [2018-06-22 07:30:35,070 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:30:35" (1/1) ... [2018-06-22 07:30:35,075 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:30:35" (1/1) ... [2018-06-22 07:30:35,076 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:30:35" (1/1) ... [2018-06-22 07:30:35,086 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:30:35" (1/1) ... [2018-06-22 07:30:35,088 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 07:30:35,088 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 07:30:35,088 INFO ]: Initializing RCFGBuilder... [2018-06-22 07:30:35,088 INFO ]: RCFGBuilder initialized [2018-06-22 07:30:35,089 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:30:35" (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 07:30:35,108 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 07:30:35,108 INFO ]: Found specification of procedure gotoProc [2018-06-22 07:30:35,108 INFO ]: Found implementation of procedure gotoProc [2018-06-22 07:30:35,108 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 07:30:35,108 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 07:30:35,108 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 07:30:35,392 INFO ]: Using library mode [2018-06-22 07:30:35,393 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:30:35 BoogieIcfgContainer [2018-06-22 07:30:35,393 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 07:30:35,404 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 07:30:35,404 INFO ]: Initializing TraceAbstraction... [2018-06-22 07:30:35,408 INFO ]: TraceAbstraction initialized [2018-06-22 07:30:35,408 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:30:34" (1/3) ... [2018-06-22 07:30:35,409 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b85b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:30:35, skipping insertion in model container [2018-06-22 07:30:35,409 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:30:35" (2/3) ... [2018-06-22 07:30:35,409 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b85b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:30:35, skipping insertion in model container [2018-06-22 07:30:35,409 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:30:35" (3/3) ... [2018-06-22 07:30:35,412 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 07:30:35,421 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 07:30:35,429 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 07:30:35,474 INFO ]: Using default assertion order modulation [2018-06-22 07:30:35,475 INFO ]: Interprodecural is true [2018-06-22 07:30:35,475 INFO ]: Hoare is false [2018-06-22 07:30:35,475 INFO ]: Compute interpolants for FPandBP [2018-06-22 07:30:35,475 INFO ]: Backedges is TWOTRACK [2018-06-22 07:30:35,475 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 07:30:35,475 INFO ]: Difference is false [2018-06-22 07:30:35,475 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 07:30:35,475 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 07:30:35,488 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 07:30:35,498 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 07:30:35,498 INFO ]: Found error trace [2018-06-22 07:30:35,499 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:30:35,499 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:30:35,506 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 07:30:35,507 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:30:35,508 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:30:35,542 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:30:35,542 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:30:35,542 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:30:35,622 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:30:35,812 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:30:35,814 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 07:30:35,814 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 07:30:35,815 INFO ]: Interpolant automaton has 3 states [2018-06-22 07:30:35,826 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 07:30:35,826 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 07:30:35,829 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 07:30:35,888 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 07:30:35,888 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 07:30:35,889 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 07:30:35,890 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 07:30:35,890 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 07:30:35,898 INFO ]: With dead ends: 9 [2018-06-22 07:30:35,898 INFO ]: Without dead ends: 9 [2018-06-22 07:30:35,899 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 07:30:35,913 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 07:30:35,931 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 07:30:35,932 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 07:30:35,932 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 07:30:35,933 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 07:30:35,933 INFO ]: Finished accepts. word is rejected. [2018-06-22 07:30:35,933 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 07:30:35,933 INFO ]: Interpolant automaton has 3 states. [2018-06-22 07:30:35,933 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 07:30:35,933 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 07:30:35,933 INFO ]: Found error trace [2018-06-22 07:30:35,933 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:30:35,934 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:30:35,934 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 07:30:35,934 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:30:35,934 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:30:35,936 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:30:35,936 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:30:35,936 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:30:35,982 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:30:36,098 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:30:36,099 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 07:30:36,099 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 07:30:36,106 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:30:36,189 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:30:36,201 INFO ]: Computing forward predicates... [2018-06-22 07:30:36,383 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:30:36,418 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 07:30:36,418 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-06-22 07:30:36,418 INFO ]: Interpolant automaton has 5 states [2018-06-22 07:30:36,419 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-22 07:30:36,419 INFO ]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-06-22 07:30:36,419 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-06-22 07:30:36,538 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 07:30:36,538 INFO ]: Finished difference Result 10 states and 10 transitions. [2018-06-22 07:30:36,538 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 07:30:36,538 INFO ]: Start accepts. Automaton has 5 states. Word has length 8 [2018-06-22 07:30:36,538 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 07:30:36,539 INFO ]: With dead ends: 10 [2018-06-22 07:30:36,539 INFO ]: Without dead ends: 10 [2018-06-22 07:30:36,539 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-06-22 07:30:36,539 INFO ]: Start minimizeSevpa. Operand 10 states. [2018-06-22 07:30:36,540 INFO ]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-06-22 07:30:36,541 INFO ]: Start removeUnreachable. Operand 10 states. [2018-06-22 07:30:36,541 INFO ]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-06-22 07:30:36,541 INFO ]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2018-06-22 07:30:36,541 INFO ]: Finished accepts. word is rejected. [2018-06-22 07:30:36,541 INFO ]: Abstraction has 10 states and 10 transitions. [2018-06-22 07:30:36,541 INFO ]: Interpolant automaton has 5 states. [2018-06-22 07:30:36,541 INFO ]: Start isEmpty. Operand 10 states and 10 transitions. [2018-06-22 07:30:36,541 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 07:30:36,541 INFO ]: Found error trace [2018-06-22 07:30:36,542 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:30:36,542 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:30:36,542 INFO ]: Analyzing trace with hash -2043975570, now seen corresponding path program 2 times [2018-06-22 07:30:36,542 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:30:36,542 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:30:36,543 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:30:36,543 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:30:36,543 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:30:36,620 INFO ]: Conjunction of SSA is sat [2018-06-22 07:30:36,627 INFO ]: Counterexample might be feasible [2018-06-22 07:30:36,644 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:30:36 BoogieIcfgContainer [2018-06-22 07:30:36,645 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 07:30:36,645 INFO ]: Toolchain (without parser) took 1682.67 ms. Allocated memory is still 308.3 MB. Free memory was 261.8 MB in the beginning and 200.3 MB in the end (delta: 61.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 3.6 GB. [2018-06-22 07:30:36,653 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 273.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 07:30:36,653 INFO ]: ChcToBoogie took 73.18 ms. Allocated memory is still 308.3 MB. Free memory was 260.8 MB in the beginning and 258.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:30:36,655 INFO ]: Boogie Preprocessor took 45.73 ms. Allocated memory is still 308.3 MB. Free memory was 258.8 MB in the beginning and 257.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:30:36,656 INFO ]: RCFGBuilder took 305.08 ms. Allocated memory is still 308.3 MB. Free memory was 257.8 MB in the beginning and 245.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:30:36,657 INFO ]: TraceAbstraction took 1240.81 ms. Allocated memory is still 308.3 MB. Free memory was 244.7 MB in the beginning and 200.3 MB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 3.6 GB. [2018-06-22 07:30:36,660 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 273.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 73.18 ms. Allocated memory is still 308.3 MB. Free memory was 260.8 MB in the beginning and 258.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 45.73 ms. Allocated memory is still 308.3 MB. Free memory was 258.8 MB in the beginning and 257.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 305.08 ms. Allocated memory is still 308.3 MB. Free memory was 257.8 MB in the beginning and 245.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 1240.81 ms. Allocated memory is still 308.3 MB. Free memory was 244.7 MB in the beginning and 200.3 MB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [UNKNOWN] : assertion can be violated assertion can be violated We found a FailurePath: [L0] CALL call gotoProc(0, 0, 0, false, false, 0, 0, 0, 0, false, 0, 0, 0, 0, false, 0, 0, false, false, 0, 0, 0); [L0] gotoSwitch := gotoSwitch_in; [L0] assume !hbv_False_1_Bool; [L0] hhv_state_0_Int, hhv_state_1_Int, hhv_state_2_Bool, hhv_state_3_Bool, hhv_state_4_Int, hhv_state_5_Int, hhv_state_6_Int, hhv_state_7_Int, hhv_state_8_Bool, hhv_state_9_Int, hhv_state_10_Int, hhv_state_11_Int, hhv_state_12_Int, hhv_state_13_Bool, hhv_state_14_Int, hhv_state_15_Int, hhv_state_16_Bool, hhv_state_17_Bool, hhv_state_18_Int, hhv_state_19_Int, hhv_state_20_Int := hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Bool, hbv_False_5_Bool, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_10_Bool, hbv_False_11_Int, hbv_False_12_Int, hbv_False_13_Int, hbv_False_14_Int, hbv_False_1_Bool, hbv_False_15_Int, hbv_False_16_Int, hbv_False_17_Bool, hbv_False_18_Bool, hbv_False_19_Int, hbv_False_20_Int, hbv_False_21_Int; [L0] havoc hbv_False_2_Int, hbv_False_6_Int, hbv_False_9_Int, hbv_False_7_Int, hbv_False_16_Int, hbv_False_8_Int, hbv_False_21_Int, hbv_False_3_Int, hbv_False_10_Bool, hbv_False_12_Int, hbv_False_11_Int, hbv_False_19_Int, hbv_False_15_Int, hbv_False_14_Int, hbv_False_20_Int, hbv_False_5_Bool, hbv_False_18_Bool, hbv_False_13_Int, hbv_False_17_Bool, hbv_False_1_Bool, hbv_False_4_Bool; [L0] assume ((((((((((((((((((((((((((hbv_state_3_Int == hbv_state_4_Int && hhv_state_12_Int == hhv_state_11_Int) && hbv_state_5_Int == hhv_state_11_Int) && hhv_state_6_Int == hhv_state_18_Int) && !(!hbv_state_16_Bool && !(hhv_state_19_Int == 0))) && hhv_state_7_Int == hhv_state_6_Int) && !((!hbv_state_13_Bool || !hbv_state_8_Bool) && (hbv_state_13_Bool || hbv_state_8_Bool))) && !(!(hbv_state_10_Int + -1 * hhv_state_18_Int == -2) && hbv_state_2_Bool)) && !(!hbv_state_2_Bool && !(hhv_state_18_Int == 0))) && hbv_state_4_Int == hhv_state_9_Int) && hbv_state_6_Int == hbv_state_5_Int) && hbv_state_14_Int == hbv_state_15_Int) && hhv_state_1_Int == hhv_state_0_Int) && !(!hbv_state_2_Bool && !(hhv_state_20_Int == 0))) && !(!(hbv_state_15_Int + -1 * hhv_state_19_Int == -2) && hbv_state_16_Bool)) && hhv_state_5_Int == hhv_state_4_Int) && !(hbv_state_2_Bool && !(hbv_state_1_Int + -1 * hhv_state_20_Int == -2))) && hbv_state_9_Int == hbv_state_10_Int) && !(((hbv_state_11_Bool || !hbv_state_12_Bool) || hbv_state_1_Int + (-1 * hbv_state_4_Int + -1 * hbv_state_5_Int) <= 0) && ((hbv_state_12_Bool && !(hbv_state_1_Int + (-1 * hbv_state_4_Int + -1 * hbv_state_5_Int) <= 0)) || !hbv_state_11_Bool))) && hhv_state_4_Int == hhv_state_19_Int) && !((!hhv_state_8_Bool || !hhv_state_3_Bool) && (hhv_state_8_Bool || hhv_state_3_Bool))) && hbv_state_7_Int == hbv_state_1_Int) && !(((hhv_state_8_Bool && !(hhv_state_1_Int + (-1 * hhv_state_10_Int + -1 * hhv_state_12_Int) <= 0)) || !hhv_state_13_Bool) && ((hhv_state_1_Int + (-1 * hhv_state_10_Int + -1 * hhv_state_12_Int) <= 0 || hhv_state_13_Bool) || !hhv_state_8_Bool))) && hhv_state_0_Int == hhv_state_20_Int) && hhv_state_10_Int == hhv_state_9_Int) && !((!hhv_state_3_Bool || !hhv_state_2_Bool) && (hhv_state_3_Bool || hhv_state_2_Bool))) && !((hbv_state_12_Bool || hbv_state_8_Bool) && (!hbv_state_12_Bool || !hbv_state_8_Bool))) && !((((((!(1 <= hhv_state_12_Int) || (!hhv_state_16_Bool && hhv_state_12_Int <= hhv_state_7_Int)) || !(1 <= hhv_state_10_Int)) || !hbv_state_8_Bool) || !(hhv_state_5_Int <= hhv_state_10_Int)) || !hhv_state_2_Bool) && (hhv_state_2_Bool || ((((hhv_state_5_Int <= hhv_state_10_Int && 1 <= hhv_state_12_Int) && hbv_state_8_Bool) && 1 <= hhv_state_10_Int) && (!(hhv_state_12_Int <= hhv_state_7_Int) || hhv_state_16_Bool)))); [L0] hhv_state_0_Int, hhv_state_1_Int, hhv_state_2_Bool, hhv_state_3_Bool, hhv_state_4_Int, hhv_state_5_Int, hhv_state_6_Int, hhv_state_7_Int, hhv_state_8_Bool, hhv_state_9_Int, hhv_state_10_Int, hhv_state_11_Int, hhv_state_12_Int, hhv_state_13_Bool, hhv_state_14_Int, hhv_state_15_Int, hhv_state_16_Bool, hhv_state_17_Bool, hhv_state_18_Int, hhv_state_19_Int, hhv_state_20_Int := hbv_state_7_Int, hbv_state_1_Int, hbv_state_13_Bool, hbv_state_8_Bool, hbv_state_14_Int, hbv_state_15_Int, hbv_state_9_Int, hbv_state_10_Int, hbv_state_12_Bool, hbv_state_3_Int, hbv_state_4_Int, hbv_state_6_Int, hbv_state_5_Int, hbv_state_11_Bool, hbv_state_17_Int, hbv_state_18_Int, hbv_state_16_Bool, hbv_state_2_Bool, hbv_state_19_Int, hbv_state_20_Int, hbv_state_21_Int; [L0] havoc hbv_state_18_Int, hbv_state_20_Int, hbv_state_6_Int, hbv_state_7_Int, hbv_state_10_Int, hbv_state_1_Int, hbv_state_4_Int, hbv_state_13_Bool, hbv_state_2_Bool, hbv_state_17_Int, hbv_state_11_Bool, hbv_state_15_Int, hbv_state_21_Int, hbv_state_3_Int, hbv_state_14_Int, hbv_state_8_Bool, hbv_state_5_Int, hbv_state_9_Int, hbv_state_12_Bool, hbv_state_16_Bool, hbv_state_19_Int; [L0] assume ((((((((((((((((((((((((((hbv_state_3_Int == hbv_state_4_Int && hhv_state_12_Int == hhv_state_11_Int) && hbv_state_5_Int == hhv_state_11_Int) && hhv_state_6_Int == hhv_state_18_Int) && !(!hbv_state_16_Bool && !(hhv_state_19_Int == 0))) && hhv_state_7_Int == hhv_state_6_Int) && !((!hbv_state_13_Bool || !hbv_state_8_Bool) && (hbv_state_13_Bool || hbv_state_8_Bool))) && !(!(hbv_state_10_Int + -1 * hhv_state_18_Int == -2) && hbv_state_2_Bool)) && !(!hbv_state_2_Bool && !(hhv_state_18_Int == 0))) && hbv_state_4_Int == hhv_state_9_Int) && hbv_state_6_Int == hbv_state_5_Int) && hbv_state_14_Int == hbv_state_15_Int) && hhv_state_1_Int == hhv_state_0_Int) && !(!hbv_state_2_Bool && !(hhv_state_20_Int == 0))) && !(!(hbv_state_15_Int + -1 * hhv_state_19_Int == -2) && hbv_state_16_Bool)) && hhv_state_5_Int == hhv_state_4_Int) && !(hbv_state_2_Bool && !(hbv_state_1_Int + -1 * hhv_state_20_Int == -2))) && hbv_state_9_Int == hbv_state_10_Int) && !(((hbv_state_11_Bool || !hbv_state_12_Bool) || hbv_state_1_Int + (-1 * hbv_state_4_Int + -1 * hbv_state_5_Int) <= 0) && ((hbv_state_12_Bool && !(hbv_state_1_Int + (-1 * hbv_state_4_Int + -1 * hbv_state_5_Int) <= 0)) || !hbv_state_11_Bool))) && hhv_state_4_Int == hhv_state_19_Int) && !((!hhv_state_8_Bool || !hhv_state_3_Bool) && (hhv_state_8_Bool || hhv_state_3_Bool))) && hbv_state_7_Int == hbv_state_1_Int) && !(((hhv_state_8_Bool && !(hhv_state_1_Int + (-1 * hhv_state_10_Int + -1 * hhv_state_12_Int) <= 0)) || !hhv_state_13_Bool) && ((hhv_state_1_Int + (-1 * hhv_state_10_Int + -1 * hhv_state_12_Int) <= 0 || hhv_state_13_Bool) || !hhv_state_8_Bool))) && hhv_state_0_Int == hhv_state_20_Int) && hhv_state_10_Int == hhv_state_9_Int) && !((!hhv_state_3_Bool || !hhv_state_2_Bool) && (hhv_state_3_Bool || hhv_state_2_Bool))) && !((hbv_state_12_Bool || hbv_state_8_Bool) && (!hbv_state_12_Bool || !hbv_state_8_Bool))) && !((((((!(1 <= hhv_state_12_Int) || (!hhv_state_16_Bool && hhv_state_12_Int <= hhv_state_7_Int)) || !(1 <= hhv_state_10_Int)) || !hbv_state_8_Bool) || !(hhv_state_5_Int <= hhv_state_10_Int)) || !hhv_state_2_Bool) && (hhv_state_2_Bool || ((((hhv_state_5_Int <= hhv_state_10_Int && 1 <= hhv_state_12_Int) && hbv_state_8_Bool) && 1 <= hhv_state_10_Int) && (!(hhv_state_12_Int <= hhv_state_7_Int) || hhv_state_16_Bool)))); [L0] hhv_state_0_Int, hhv_state_1_Int, hhv_state_2_Bool, hhv_state_3_Bool, hhv_state_4_Int, hhv_state_5_Int, hhv_state_6_Int, hhv_state_7_Int, hhv_state_8_Bool, hhv_state_9_Int, hhv_state_10_Int, hhv_state_11_Int, hhv_state_12_Int, hhv_state_13_Bool, hhv_state_14_Int, hhv_state_15_Int, hhv_state_16_Bool, hhv_state_17_Bool, hhv_state_18_Int, hhv_state_19_Int, hhv_state_20_Int := hbv_state_7_Int, hbv_state_1_Int, hbv_state_13_Bool, hbv_state_8_Bool, hbv_state_14_Int, hbv_state_15_Int, hbv_state_9_Int, hbv_state_10_Int, hbv_state_12_Bool, hbv_state_3_Int, hbv_state_4_Int, hbv_state_6_Int, hbv_state_5_Int, hbv_state_11_Bool, hbv_state_17_Int, hbv_state_18_Int, hbv_state_16_Bool, hbv_state_2_Bool, hbv_state_19_Int, hbv_state_20_Int, hbv_state_21_Int; [L0] havoc hbv_state_18_Int, hbv_state_20_Int, hbv_state_6_Int, hbv_state_7_Int, hbv_state_10_Int, hbv_state_1_Int, hbv_state_4_Int, hbv_state_13_Bool, hbv_state_2_Bool, hbv_state_17_Int, hbv_state_11_Bool, hbv_state_15_Int, hbv_state_21_Int, hbv_state_3_Int, hbv_state_14_Int, hbv_state_8_Bool, hbv_state_5_Int, hbv_state_9_Int, hbv_state_12_Bool, hbv_state_16_Bool, hbv_state_19_Int; [L0] assume ((((((((((((hhv_state_9_Int == hhv_state_14_Int && hhv_state_4_Int == 0) && hhv_state_11_Int == hhv_state_15_Int) && hhv_state_4_Int == hhv_state_5_Int) && hhv_state_9_Int == hhv_state_10_Int) && hhv_state_11_Int == hhv_state_12_Int) && hhv_state_0_Int == 0) && !((!hhv_state_2_Bool || !hhv_state_3_Bool) && (hhv_state_2_Bool || hhv_state_3_Bool))) && hhv_state_6_Int == hhv_state_7_Int) && !((hhv_state_8_Bool || hhv_state_3_Bool) && (!hhv_state_8_Bool || !hhv_state_3_Bool))) && !(((((1 <= hhv_state_12_Int && hhv_state_5_Int <= hhv_state_10_Int) && 1 <= hhv_state_10_Int) && (!(hhv_state_12_Int <= hhv_state_7_Int) || hhv_state_16_Bool)) || hhv_state_2_Bool) && ((((!hhv_state_2_Bool || !(hhv_state_5_Int <= hhv_state_10_Int)) || !(1 <= hhv_state_12_Int)) || !(1 <= hhv_state_10_Int)) || (!hhv_state_16_Bool && hhv_state_12_Int <= hhv_state_7_Int)))) && !(((hhv_state_13_Bool || !hhv_state_8_Bool) || hhv_state_1_Int + (-1 * hhv_state_10_Int + -1 * hhv_state_12_Int) <= 0) && ((hhv_state_8_Bool && !(hhv_state_1_Int + (-1 * hhv_state_10_Int + -1 * hhv_state_12_Int) <= 0)) || !hhv_state_13_Bool))) && hhv_state_6_Int == 0) && hhv_state_0_Int == hhv_state_1_Int; [L0] RET call gotoProc(0, 0, 0, false, false, 0, 0, 0, 0, false, 0, 0, 0, 0, false, 0, 0, false, false, 0, 0, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. UNSAFE Result, 1.1s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 0 SDslu, 20 SDs, 0 SdLazy, 14 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 SizeOfPredicates, 1 NumberOfNonLiveVariables, 187 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/durationThm_3_e1_36.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_07-30-36-679.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/durationThm_3_e1_36.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_07-30-36-679.csv Received shutdown request...