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/hopv/lia/termination/indirect01.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:40:16,958 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:40:16,960 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:40:16,972 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:40:16,973 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:40:16,974 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:40:16,975 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:40:16,977 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:40:16,979 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:40:16,980 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:40:16,981 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:40:16,981 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:40:16,982 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:40:16,983 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:40:16,984 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:40:16,985 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:40:16,988 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:40:16,990 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:40:16,991 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:40:16,993 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:40:16,994 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:40:16,997 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:40:16,997 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:40:16,997 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:40:16,998 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:40:16,999 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:40:17,000 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:40:17,001 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:40:17,002 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:40:17,003 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:40:17,003 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:40:17,004 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:40:17,004 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:40:17,005 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:40:17,006 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:40:17,006 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 11:40:17,021 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:40:17,022 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:40:17,022 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:40:17,022 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:40:17,024 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:40:17,024 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:40:17,024 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:40:17,025 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:40:17,025 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:40:17,025 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:40:17,025 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:40:17,026 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:40:17,026 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:40:17,026 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:40:17,026 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:40:17,027 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:40:17,027 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:40:17,027 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:40:17,027 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:40:17,029 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:40:17,029 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:40:17,088 INFO ]: Repository-Root is: /tmp [2018-06-22 11:40:17,107 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:40:17,113 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:40:17,114 INFO ]: Initializing SmtParser... [2018-06-22 11:40:17,114 INFO ]: SmtParser initialized [2018-06-22 11:40:17,115 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/indirect01.smt2 [2018-06-22 11:40:17,116 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 11:40:17,213 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/indirect01.smt2 unknown [2018-06-22 11:40:17,872 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/indirect01.smt2 [2018-06-22 11:40:17,877 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:40:17,884 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:40:17,884 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:40:17,884 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:40:17,885 INFO ]: ChcToBoogie initialized [2018-06-22 11:40:17,888 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:40:17" (1/1) ... [2018-06-22 11:40:17,980 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:17 Unit [2018-06-22 11:40:17,980 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:40:17,981 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:40:17,981 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:40:17,981 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:40:18,004 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:17" (1/1) ... [2018-06-22 11:40:18,005 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:17" (1/1) ... [2018-06-22 11:40:18,015 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:17" (1/1) ... [2018-06-22 11:40:18,016 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:17" (1/1) ... [2018-06-22 11:40:18,039 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:17" (1/1) ... [2018-06-22 11:40:18,049 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:17" (1/1) ... [2018-06-22 11:40:18,057 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:17" (1/1) ... [2018-06-22 11:40:18,061 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:40:18,062 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:40:18,062 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:40:18,062 INFO ]: RCFGBuilder initialized [2018-06-22 11:40:18,063 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:17" (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 11:40:18,076 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:40:18,076 INFO ]: Found specification of procedure False [2018-06-22 11:40:18,076 INFO ]: Found implementation of procedure False [2018-06-22 11:40:18,076 INFO ]: Specification and implementation of procedure failDLRunknownCLN62 given in one single declaration [2018-06-22 11:40:18,076 INFO ]: Found specification of procedure failDLRunknownCLN62 [2018-06-22 11:40:18,076 INFO ]: Found implementation of procedure failDLRunknownCLN62 [2018-06-22 11:40:18,076 INFO ]: Specification and implementation of procedure app_1032DLRunknownCLN24 given in one single declaration [2018-06-22 11:40:18,076 INFO ]: Found specification of procedure app_1032DLRunknownCLN24 [2018-06-22 11:40:18,076 INFO ]: Found implementation of procedure app_1032DLRunknownCLN24 [2018-06-22 11:40:18,076 INFO ]: Specification and implementation of procedure f_1036DLRunknownCLN60 given in one single declaration [2018-06-22 11:40:18,076 INFO ]: Found specification of procedure f_1036DLRunknownCLN60 [2018-06-22 11:40:18,076 INFO ]: Found implementation of procedure f_1036DLRunknownCLN60 [2018-06-22 11:40:18,076 INFO ]: Specification and implementation of procedure app_1032DLRunknownCLN15 given in one single declaration [2018-06-22 11:40:18,076 INFO ]: Found specification of procedure app_1032DLRunknownCLN15 [2018-06-22 11:40:18,076 INFO ]: Found implementation of procedure app_1032DLRunknownCLN15 [2018-06-22 11:40:18,076 INFO ]: Specification and implementation of procedure failDLRunknownCLN63 given in one single declaration [2018-06-22 11:40:18,076 INFO ]: Found specification of procedure failDLRunknownCLN63 [2018-06-22 11:40:18,076 INFO ]: Found implementation of procedure failDLRunknownCLN63 [2018-06-22 11:40:18,076 INFO ]: Specification and implementation of procedure botDLRunknownCLN52 given in one single declaration [2018-06-22 11:40:18,077 INFO ]: Found specification of procedure botDLRunknownCLN52 [2018-06-22 11:40:18,077 INFO ]: Found implementation of procedure botDLRunknownCLN52 [2018-06-22 11:40:18,077 INFO ]: Specification and implementation of procedure app_without_checking_1157DLRunknownCLN40 given in one single declaration [2018-06-22 11:40:18,077 INFO ]: Found specification of procedure app_without_checking_1157DLRunknownCLN40 [2018-06-22 11:40:18,077 INFO ]: Found implementation of procedure app_without_checking_1157DLRunknownCLN40 [2018-06-22 11:40:18,077 INFO ]: Specification and implementation of procedure app_without_checking_1157DLRunknownCLN49 given in one single declaration [2018-06-22 11:40:18,077 INFO ]: Found specification of procedure app_without_checking_1157DLRunknownCLN49 [2018-06-22 11:40:18,077 INFO ]: Found implementation of procedure app_without_checking_1157DLRunknownCLN49 [2018-06-22 11:40:18,077 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:40:18,077 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:40:18,077 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 11:40:19,268 INFO ]: Using library mode [2018-06-22 11:40:19,269 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:40:19 BoogieIcfgContainer [2018-06-22 11:40:19,269 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:40:19,278 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:40:19,278 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:40:19,285 INFO ]: TraceAbstraction initialized [2018-06-22 11:40:19,286 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:40:17" (1/3) ... [2018-06-22 11:40:19,287 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54df40de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:40:19, skipping insertion in model container [2018-06-22 11:40:19,287 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:17" (2/3) ... [2018-06-22 11:40:19,287 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54df40de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:40:19, skipping insertion in model container [2018-06-22 11:40:19,287 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:40:19" (3/3) ... [2018-06-22 11:40:19,289 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:40:19,316 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:40:19,331 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:40:19,387 INFO ]: Using default assertion order modulation [2018-06-22 11:40:19,387 INFO ]: Interprodecural is true [2018-06-22 11:40:19,387 INFO ]: Hoare is false [2018-06-22 11:40:19,387 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:40:19,388 INFO ]: Backedges is TWOTRACK [2018-06-22 11:40:19,388 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:40:19,388 INFO ]: Difference is false [2018-06-22 11:40:19,388 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:40:19,388 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:40:19,408 INFO ]: Start isEmpty. Operand 51 states. [2018-06-22 11:40:19,441 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:40:19,442 INFO ]: Found error trace [2018-06-22 11:40:19,443 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:40:19,443 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:40:19,449 INFO ]: Analyzing trace with hash 501267489, now seen corresponding path program 1 times [2018-06-22 11:40:19,451 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:40:19,452 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:40:19,503 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:19,503 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:40:19,503 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:19,520 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:40:19,550 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:40:19,553 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:40:19,554 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 11:40:19,556 INFO ]: Interpolant automaton has 2 states [2018-06-22 11:40:19,572 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 11:40:19,573 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:40:19,575 INFO ]: Start difference. First operand 51 states. Second operand 2 states. [2018-06-22 11:40:19,605 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:40:19,605 INFO ]: Finished difference Result 40 states and 48 transitions. [2018-06-22 11:40:19,605 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 11:40:19,607 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 11:40:19,607 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:40:19,624 INFO ]: With dead ends: 40 [2018-06-22 11:40:19,624 INFO ]: Without dead ends: 35 [2018-06-22 11:40:19,626 INFO ]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:40:19,644 INFO ]: Start minimizeSevpa. Operand 35 states. [2018-06-22 11:40:19,671 INFO ]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-06-22 11:40:19,673 INFO ]: Start removeUnreachable. Operand 35 states. [2018-06-22 11:40:19,674 INFO ]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2018-06-22 11:40:19,676 INFO ]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 5 [2018-06-22 11:40:19,676 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:40:19,676 INFO ]: Abstraction has 35 states and 42 transitions. [2018-06-22 11:40:19,676 INFO ]: Interpolant automaton has 2 states. [2018-06-22 11:40:19,676 INFO ]: Start isEmpty. Operand 35 states and 42 transitions. [2018-06-22 11:40:19,678 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 11:40:19,678 INFO ]: Found error trace [2018-06-22 11:40:19,678 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:40:19,678 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:40:19,678 INFO ]: Analyzing trace with hash -1572504792, now seen corresponding path program 1 times [2018-06-22 11:40:19,678 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:40:19,678 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:40:19,679 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:19,679 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:40:19,679 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:19,715 ERROR]: Caught known exception: Unsupported non-linear arithmetic [2018-06-22 11:40:19,715 INFO ]: Advancing trace checker [2018-06-22 11:40:19,715 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 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-06-22 11:40:19,724 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:40:19,775 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:40:19,785 INFO ]: Computing forward predicates... [2018-06-22 11:40:19,971 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:40:19,992 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:40:19,992 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-22 11:40:19,994 INFO ]: Interpolant automaton has 5 states [2018-06-22 11:40:19,994 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-22 11:40:19,994 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-22 11:40:19,994 INFO ]: Start difference. First operand 35 states and 42 transitions. Second operand 5 states. [2018-06-22 11:40:20,196 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:40:20,196 INFO ]: Finished difference Result 39 states and 49 transitions. [2018-06-22 11:40:20,197 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 11:40:20,197 INFO ]: Start accepts. Automaton has 5 states. Word has length 17 [2018-06-22 11:40:20,197 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:40:20,198 INFO ]: With dead ends: 39 [2018-06-22 11:40:20,198 INFO ]: Without dead ends: 39 [2018-06-22 11:40:20,199 INFO ]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-22 11:40:20,199 INFO ]: Start minimizeSevpa. Operand 39 states. [2018-06-22 11:40:20,210 INFO ]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-06-22 11:40:20,210 INFO ]: Start removeUnreachable. Operand 39 states. [2018-06-22 11:40:20,212 INFO ]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2018-06-22 11:40:20,212 INFO ]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 17 [2018-06-22 11:40:20,212 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:40:20,212 INFO ]: Abstraction has 39 states and 49 transitions. [2018-06-22 11:40:20,212 INFO ]: Interpolant automaton has 5 states. [2018-06-22 11:40:20,212 INFO ]: Start isEmpty. Operand 39 states and 49 transitions. [2018-06-22 11:40:20,214 INFO ]: Finished isEmpty. Found accepting run of length 46 [2018-06-22 11:40:20,214 INFO ]: Found error trace [2018-06-22 11:40:20,214 INFO ]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:40:20,214 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:40:20,214 INFO ]: Analyzing trace with hash 1549886084, now seen corresponding path program 1 times [2018-06-22 11:40:20,214 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:40:20,214 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:40:20,216 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:20,216 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:40:20,216 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:20,265 ERROR]: Caught known exception: Unsupported non-linear arithmetic [2018-06-22 11:40:20,265 INFO ]: Advancing trace checker [2018-06-22 11:40:20,265 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 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-06-22 11:40:20,281 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:40:20,399 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:40:20,442 INFO ]: Computing forward predicates... [2018-06-22 11:40:20,558 INFO ]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 11:40:20,592 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:40:20,592 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-22 11:40:20,592 INFO ]: Interpolant automaton has 5 states [2018-06-22 11:40:20,592 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-22 11:40:20,592 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-22 11:40:20,593 INFO ]: Start difference. First operand 39 states and 49 transitions. Second operand 5 states. [2018-06-22 11:40:20,662 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:40:20,707 INFO ]: Finished difference Result 41 states and 50 transitions. [2018-06-22 11:40:20,708 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 11:40:20,708 INFO ]: Start accepts. Automaton has 5 states. Word has length 45 [2018-06-22 11:40:20,708 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:40:20,710 INFO ]: With dead ends: 41 [2018-06-22 11:40:20,710 INFO ]: Without dead ends: 41 [2018-06-22 11:40:20,710 INFO ]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-22 11:40:20,711 INFO ]: Start minimizeSevpa. Operand 41 states. [2018-06-22 11:40:20,718 INFO ]: Finished minimizeSevpa. Reduced states from 41 to 39. [2018-06-22 11:40:20,718 INFO ]: Start removeUnreachable. Operand 39 states. [2018-06-22 11:40:20,719 INFO ]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2018-06-22 11:40:20,719 INFO ]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 45 [2018-06-22 11:40:20,719 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:40:20,719 INFO ]: Abstraction has 39 states and 48 transitions. [2018-06-22 11:40:20,719 INFO ]: Interpolant automaton has 5 states. [2018-06-22 11:40:20,719 INFO ]: Start isEmpty. Operand 39 states and 48 transitions. [2018-06-22 11:40:20,721 INFO ]: Finished isEmpty. Found accepting run of length 46 [2018-06-22 11:40:20,721 INFO ]: Found error trace [2018-06-22 11:40:20,721 INFO ]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:40:20,721 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:40:20,721 INFO ]: Analyzing trace with hash -1877985024, now seen corresponding path program 1 times [2018-06-22 11:40:20,721 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:40:20,721 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:40:20,722 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:20,722 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:40:20,722 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:20,741 ERROR]: Caught known exception: Unsupported non-linear arithmetic [2018-06-22 11:40:20,741 INFO ]: Advancing trace checker [2018-06-22 11:40:20,741 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2018-06-22 11:40:20,755 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-06-22 11:40:20,840 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:40:20,848 INFO ]: Computing forward predicates... [2018-06-22 11:40:21,325 INFO ]: Checked inductivity of 21 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-06-22 11:40:21,346 INFO ]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-06-22 11:40:21,346 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-06-22 11:40:21,347 INFO ]: Interpolant automaton has 8 states [2018-06-22 11:40:21,347 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-22 11:40:21,347 INFO ]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-06-22 11:40:21,347 INFO ]: Start difference. First operand 39 states and 48 transitions. Second operand 8 states. [2018-06-22 11:40:21,912 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:40:21,912 INFO ]: Finished difference Result 33 states and 42 transitions. [2018-06-22 11:40:21,915 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-22 11:40:21,915 INFO ]: Start accepts. Automaton has 8 states. Word has length 45 [2018-06-22 11:40:21,915 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:40:21,915 INFO ]: With dead ends: 33 [2018-06-22 11:40:21,915 INFO ]: Without dead ends: 0 [2018-06-22 11:40:21,916 INFO ]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-06-22 11:40:21,916 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 11:40:21,916 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 11:40:21,916 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 11:40:21,916 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 11:40:21,916 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2018-06-22 11:40:21,916 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:40:21,916 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 11:40:21,916 INFO ]: Interpolant automaton has 8 states. [2018-06-22 11:40:21,916 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 11:40:21,916 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 11:40:21,921 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:40:21 BoogieIcfgContainer [2018-06-22 11:40:21,921 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:40:21,922 INFO ]: Toolchain (without parser) took 4044.44 ms. Allocated memory was 313.5 MB in the beginning and 325.1 MB in the end (delta: 11.5 MB). Free memory was 237.9 MB in the beginning and 185.9 MB in the end (delta: 52.1 MB). Peak memory consumption was 63.6 MB. Max. memory is 3.6 GB. [2018-06-22 11:40:21,923 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 313.5 MB. Free memory is still 279.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:40:21,924 INFO ]: ChcToBoogie took 96.56 ms. Allocated memory is still 313.5 MB. Free memory was 237.9 MB in the beginning and 236.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:40:21,924 INFO ]: Boogie Preprocessor took 80.26 ms. Allocated memory is still 313.5 MB. Free memory was 235.0 MB in the beginning and 233.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:40:21,925 INFO ]: RCFGBuilder took 1206.85 ms. Allocated memory is still 313.5 MB. Free memory was 233.0 MB in the beginning and 199.8 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 3.6 GB. [2018-06-22 11:40:21,925 INFO ]: TraceAbstraction took 2643.01 ms. Allocated memory was 313.5 MB in the beginning and 325.1 MB in the end (delta: 11.5 MB). Free memory was 199.8 MB in the beginning and 185.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 25.5 MB. Max. memory is 3.6 GB. [2018-06-22 11:40:21,928 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 313.5 MB. Free memory is still 279.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 96.56 ms. Allocated memory is still 313.5 MB. Free memory was 237.9 MB in the beginning and 236.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 80.26 ms. Allocated memory is still 313.5 MB. Free memory was 235.0 MB in the beginning and 233.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1206.85 ms. Allocated memory is still 313.5 MB. Free memory was 233.0 MB in the beginning and 199.8 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 2643.01 ms. Allocated memory was 313.5 MB in the beginning and 325.1 MB in the end (delta: 11.5 MB). Free memory was 199.8 MB in the beginning and 185.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 25.5 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 51 locations, 1 error locations. SAFE Result, 2.5s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 156 SDtfs, 3 SDslu, 370 SDs, 0 SdLazy, 135 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred 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, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 6960 SizeOfPredicates, 42 NumberOfNonLiveVariables, 1076 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 40/42 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/indirect01.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-40-21-937.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/indirect01.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-40-21-937.csv Received shutdown request...