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/eldarica-misc/LIA/HOLA/37.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:55:17,287 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:55:17,289 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:55:17,302 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:55:17,302 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:55:17,303 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:55:17,304 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:55:17,306 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:55:17,307 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:55:17,308 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:55:17,308 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:55:17,309 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:55:17,310 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:55:17,311 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:55:17,311 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:55:17,312 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:55:17,314 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:55:17,316 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:55:17,317 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:55:17,328 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:55:17,329 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:55:17,332 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:55:17,332 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:55:17,333 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:55:17,333 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:55:17,335 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:55:17,335 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:55:17,343 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:55:17,345 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:55:17,345 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:55:17,345 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:55:17,346 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:55:17,346 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:55:17,347 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:55:17,348 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:55:17,348 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 10:55:17,366 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:55:17,366 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:55:17,366 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:55:17,367 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:55:17,368 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:55:17,368 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:55:17,369 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:55:17,369 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:55:17,369 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:55:17,369 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:55:17,369 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:55:17,370 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:55:17,370 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:55:17,370 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:55:17,370 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:55:17,370 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:55:17,370 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:55:17,371 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:55:17,371 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:55:17,372 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:55:17,372 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:55:17,410 INFO ]: Repository-Root is: /tmp [2018-06-22 10:55:17,427 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:55:17,430 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:55:17,431 INFO ]: Initializing SmtParser... [2018-06-22 10:55:17,432 INFO ]: SmtParser initialized [2018-06-22 10:55:17,432 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/HOLA/37.c.smt2 [2018-06-22 10:55:17,434 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 10:55:17,528 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/37.c.smt2 unknown [2018-06-22 10:55:17,912 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/37.c.smt2 [2018-06-22 10:55:17,916 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:55:17,933 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:55:17,933 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:55:17,933 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:55:17,933 INFO ]: ChcToBoogie initialized [2018-06-22 10:55:17,939 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:55:17" (1/1) ... [2018-06-22 10:55:18,014 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:18 Unit [2018-06-22 10:55:18,014 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:55:18,024 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:55:18,024 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:55:18,024 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:55:18,078 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:18" (1/1) ... [2018-06-22 10:55:18,078 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:18" (1/1) ... [2018-06-22 10:55:18,095 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:18" (1/1) ... [2018-06-22 10:55:18,096 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:18" (1/1) ... [2018-06-22 10:55:18,102 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:18" (1/1) ... [2018-06-22 10:55:18,104 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:18" (1/1) ... [2018-06-22 10:55:18,105 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:18" (1/1) ... [2018-06-22 10:55:18,108 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:55:18,109 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:55:18,109 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:55:18,109 INFO ]: RCFGBuilder initialized [2018-06-22 10:55:18,110 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:18" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:55:18,121 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:55:18,121 INFO ]: Found specification of procedure False [2018-06-22 10:55:18,121 INFO ]: Found implementation of procedure False [2018-06-22 10:55:18,121 INFO ]: Specification and implementation of procedure h28 given in one single declaration [2018-06-22 10:55:18,121 INFO ]: Found specification of procedure h28 [2018-06-22 10:55:18,121 INFO ]: Found implementation of procedure h28 [2018-06-22 10:55:18,121 INFO ]: Specification and implementation of procedure h25 given in one single declaration [2018-06-22 10:55:18,121 INFO ]: Found specification of procedure h25 [2018-06-22 10:55:18,122 INFO ]: Found implementation of procedure h25 [2018-06-22 10:55:18,122 INFO ]: Specification and implementation of procedure h24 given in one single declaration [2018-06-22 10:55:18,122 INFO ]: Found specification of procedure h24 [2018-06-22 10:55:18,122 INFO ]: Found implementation of procedure h24 [2018-06-22 10:55:18,122 INFO ]: Specification and implementation of procedure h21 given in one single declaration [2018-06-22 10:55:18,122 INFO ]: Found specification of procedure h21 [2018-06-22 10:55:18,122 INFO ]: Found implementation of procedure h21 [2018-06-22 10:55:18,122 INFO ]: Specification and implementation of procedure h20 given in one single declaration [2018-06-22 10:55:18,122 INFO ]: Found specification of procedure h20 [2018-06-22 10:55:18,122 INFO ]: Found implementation of procedure h20 [2018-06-22 10:55:18,122 INFO ]: Specification and implementation of procedure h19 given in one single declaration [2018-06-22 10:55:18,122 INFO ]: Found specification of procedure h19 [2018-06-22 10:55:18,122 INFO ]: Found implementation of procedure h19 [2018-06-22 10:55:18,122 INFO ]: Specification and implementation of procedure h11 given in one single declaration [2018-06-22 10:55:18,122 INFO ]: Found specification of procedure h11 [2018-06-22 10:55:18,122 INFO ]: Found implementation of procedure h11 [2018-06-22 10:55:18,122 INFO ]: Specification and implementation of procedure h10 given in one single declaration [2018-06-22 10:55:18,122 INFO ]: Found specification of procedure h10 [2018-06-22 10:55:18,122 INFO ]: Found implementation of procedure h10 [2018-06-22 10:55:18,122 INFO ]: Specification and implementation of procedure h9 given in one single declaration [2018-06-22 10:55:18,122 INFO ]: Found specification of procedure h9 [2018-06-22 10:55:18,122 INFO ]: Found implementation of procedure h9 [2018-06-22 10:55:18,122 INFO ]: Specification and implementation of procedure h6 given in one single declaration [2018-06-22 10:55:18,122 INFO ]: Found specification of procedure h6 [2018-06-22 10:55:18,122 INFO ]: Found implementation of procedure h6 [2018-06-22 10:55:18,123 INFO ]: Specification and implementation of procedure h5 given in one single declaration [2018-06-22 10:55:18,123 INFO ]: Found specification of procedure h5 [2018-06-22 10:55:18,123 INFO ]: Found implementation of procedure h5 [2018-06-22 10:55:18,123 INFO ]: Specification and implementation of procedure h18 given in one single declaration [2018-06-22 10:55:18,123 INFO ]: Found specification of procedure h18 [2018-06-22 10:55:18,123 INFO ]: Found implementation of procedure h18 [2018-06-22 10:55:18,123 INFO ]: Specification and implementation of procedure h15 given in one single declaration [2018-06-22 10:55:18,123 INFO ]: Found specification of procedure h15 [2018-06-22 10:55:18,123 INFO ]: Found implementation of procedure h15 [2018-06-22 10:55:18,123 INFO ]: Specification and implementation of procedure h14 given in one single declaration [2018-06-22 10:55:18,123 INFO ]: Found specification of procedure h14 [2018-06-22 10:55:18,123 INFO ]: Found implementation of procedure h14 [2018-06-22 10:55:18,123 INFO ]: Specification and implementation of procedure h13 given in one single declaration [2018-06-22 10:55:18,123 INFO ]: Found specification of procedure h13 [2018-06-22 10:55:18,123 INFO ]: Found implementation of procedure h13 [2018-06-22 10:55:18,123 INFO ]: Specification and implementation of procedure h12 given in one single declaration [2018-06-22 10:55:18,123 INFO ]: Found specification of procedure h12 [2018-06-22 10:55:18,123 INFO ]: Found implementation of procedure h12 [2018-06-22 10:55:18,123 INFO ]: Specification and implementation of procedure h8 given in one single declaration [2018-06-22 10:55:18,123 INFO ]: Found specification of procedure h8 [2018-06-22 10:55:18,123 INFO ]: Found implementation of procedure h8 [2018-06-22 10:55:18,123 INFO ]: Specification and implementation of procedure h7 given in one single declaration [2018-06-22 10:55:18,123 INFO ]: Found specification of procedure h7 [2018-06-22 10:55:18,123 INFO ]: Found implementation of procedure h7 [2018-06-22 10:55:18,123 INFO ]: Specification and implementation of procedure h16 given in one single declaration [2018-06-22 10:55:18,123 INFO ]: Found specification of procedure h16 [2018-06-22 10:55:18,123 INFO ]: Found implementation of procedure h16 [2018-06-22 10:55:18,123 INFO ]: Specification and implementation of procedure h17 given in one single declaration [2018-06-22 10:55:18,124 INFO ]: Found specification of procedure h17 [2018-06-22 10:55:18,124 INFO ]: Found implementation of procedure h17 [2018-06-22 10:55:18,124 INFO ]: Specification and implementation of procedure h4 given in one single declaration [2018-06-22 10:55:18,124 INFO ]: Found specification of procedure h4 [2018-06-22 10:55:18,124 INFO ]: Found implementation of procedure h4 [2018-06-22 10:55:18,124 INFO ]: Specification and implementation of procedure h3 given in one single declaration [2018-06-22 10:55:18,124 INFO ]: Found specification of procedure h3 [2018-06-22 10:55:18,124 INFO ]: Found implementation of procedure h3 [2018-06-22 10:55:18,124 INFO ]: Specification and implementation of procedure h2 given in one single declaration [2018-06-22 10:55:18,124 INFO ]: Found specification of procedure h2 [2018-06-22 10:55:18,124 INFO ]: Found implementation of procedure h2 [2018-06-22 10:55:18,124 INFO ]: Specification and implementation of procedure h1 given in one single declaration [2018-06-22 10:55:18,124 INFO ]: Found specification of procedure h1 [2018-06-22 10:55:18,124 INFO ]: Found implementation of procedure h1 [2018-06-22 10:55:18,124 INFO ]: Specification and implementation of procedure h26 given in one single declaration [2018-06-22 10:55:18,124 INFO ]: Found specification of procedure h26 [2018-06-22 10:55:18,124 INFO ]: Found implementation of procedure h26 [2018-06-22 10:55:18,124 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:55:18,124 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:55:18,124 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 10:55:18,561 INFO ]: Using library mode [2018-06-22 10:55:18,562 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:55:18 BoogieIcfgContainer [2018-06-22 10:55:18,562 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:55:18,563 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:55:18,563 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:55:18,566 INFO ]: TraceAbstraction initialized [2018-06-22 10:55:18,567 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:55:17" (1/3) ... [2018-06-22 10:55:18,568 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c84cd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:55:18, skipping insertion in model container [2018-06-22 10:55:18,568 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:18" (2/3) ... [2018-06-22 10:55:18,568 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c84cd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:55:18, skipping insertion in model container [2018-06-22 10:55:18,568 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:55:18" (3/3) ... [2018-06-22 10:55:18,570 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:55:18,579 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:55:18,587 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:55:18,622 INFO ]: Using default assertion order modulation [2018-06-22 10:55:18,622 INFO ]: Interprodecural is true [2018-06-22 10:55:18,622 INFO ]: Hoare is false [2018-06-22 10:55:18,622 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:55:18,622 INFO ]: Backedges is TWOTRACK [2018-06-22 10:55:18,622 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:55:18,622 INFO ]: Difference is false [2018-06-22 10:55:18,622 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:55:18,622 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:55:18,641 INFO ]: Start isEmpty. Operand 112 states. [2018-06-22 10:55:18,665 INFO ]: Finished isEmpty. Found accepting run of length 58 [2018-06-22 10:55:18,665 INFO ]: Found error trace [2018-06-22 10:55:18,666 INFO ]: trace histogram [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, 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, 1] [2018-06-22 10:55:18,666 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:55:18,670 INFO ]: Analyzing trace with hash -850714828, now seen corresponding path program 1 times [2018-06-22 10:55:18,672 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:55:18,672 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:55:18,704 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:18,704 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:18,704 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:18,783 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:19,386 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:55:19,388 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:55:19,388 INFO ]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-06-22 10:55:19,391 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:55:19,407 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:55:19,408 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:55:19,418 INFO ]: Start difference. First operand 112 states. Second operand 14 states. [2018-06-22 10:55:20,034 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:55:20,034 INFO ]: Finished difference Result 126 states and 134 transitions. [2018-06-22 10:55:20,035 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-06-22 10:55:20,036 INFO ]: Start accepts. Automaton has 14 states. Word has length 57 [2018-06-22 10:55:20,036 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:55:20,047 INFO ]: With dead ends: 126 [2018-06-22 10:55:20,047 INFO ]: Without dead ends: 126 [2018-06-22 10:55:20,049 INFO ]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:55:20,064 INFO ]: Start minimizeSevpa. Operand 126 states. [2018-06-22 10:55:20,096 INFO ]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-06-22 10:55:20,097 INFO ]: Start removeUnreachable. Operand 126 states. [2018-06-22 10:55:20,100 INFO ]: Finished removeUnreachable. Reduced from 126 states to 126 states and 134 transitions. [2018-06-22 10:55:20,101 INFO ]: Start accepts. Automaton has 126 states and 134 transitions. Word has length 57 [2018-06-22 10:55:20,101 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:55:20,101 INFO ]: Abstraction has 126 states and 134 transitions. [2018-06-22 10:55:20,101 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:55:20,101 INFO ]: Start isEmpty. Operand 126 states and 134 transitions. [2018-06-22 10:55:20,105 INFO ]: Finished isEmpty. Found accepting run of length 66 [2018-06-22 10:55:20,105 INFO ]: Found error trace [2018-06-22 10:55:20,105 INFO ]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:55:20,105 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:55:20,105 INFO ]: Analyzing trace with hash -702257255, now seen corresponding path program 1 times [2018-06-22 10:55:20,105 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:55:20,105 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:55:20,106 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:20,106 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:20,107 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:20,130 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:20,531 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:55:20,531 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:55:20,531 INFO ]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-06-22 10:55:20,533 INFO ]: Interpolant automaton has 17 states [2018-06-22 10:55:20,533 INFO ]: Constructing interpolant automaton starting with 17 interpolants. [2018-06-22 10:55:20,533 INFO ]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-06-22 10:55:20,533 INFO ]: Start difference. First operand 126 states and 134 transitions. Second operand 17 states. [2018-06-22 10:55:21,141 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:55:21,141 INFO ]: Finished difference Result 130 states and 137 transitions. [2018-06-22 10:55:21,142 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-06-22 10:55:21,142 INFO ]: Start accepts. Automaton has 17 states. Word has length 65 [2018-06-22 10:55:21,143 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:55:21,145 INFO ]: With dead ends: 130 [2018-06-22 10:55:21,145 INFO ]: Without dead ends: 114 [2018-06-22 10:55:21,145 INFO ]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2018-06-22 10:55:21,146 INFO ]: Start minimizeSevpa. Operand 114 states. [2018-06-22 10:55:21,156 INFO ]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-06-22 10:55:21,156 INFO ]: Start removeUnreachable. Operand 114 states. [2018-06-22 10:55:21,159 INFO ]: Finished removeUnreachable. Reduced from 114 states to 114 states and 121 transitions. [2018-06-22 10:55:21,159 INFO ]: Start accepts. Automaton has 114 states and 121 transitions. Word has length 65 [2018-06-22 10:55:21,159 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:55:21,159 INFO ]: Abstraction has 114 states and 121 transitions. [2018-06-22 10:55:21,159 INFO ]: Interpolant automaton has 17 states. [2018-06-22 10:55:21,159 INFO ]: Start isEmpty. Operand 114 states and 121 transitions. [2018-06-22 10:55:21,162 INFO ]: Finished isEmpty. Found accepting run of length 90 [2018-06-22 10:55:21,163 INFO ]: Found error trace [2018-06-22 10:55:21,163 INFO ]: trace histogram [2, 2, 2, 2, 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, 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, 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 10:55:21,163 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:55:21,163 INFO ]: Analyzing trace with hash 233315521, now seen corresponding path program 1 times [2018-06-22 10:55:21,163 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:55:21,163 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:55:21,164 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:21,164 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:21,164 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:21,191 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:21,506 INFO ]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:55:21,506 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:55:21,506 INFO ]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-06-22 10:55:21,507 INFO ]: Interpolant automaton has 20 states [2018-06-22 10:55:21,507 INFO ]: Constructing interpolant automaton starting with 20 interpolants. [2018-06-22 10:55:21,507 INFO ]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2018-06-22 10:55:21,507 INFO ]: Start difference. First operand 114 states and 121 transitions. Second operand 20 states. [2018-06-22 10:55:21,935 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:55:21,935 INFO ]: Finished difference Result 142 states and 152 transitions. [2018-06-22 10:55:21,935 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-06-22 10:55:21,935 INFO ]: Start accepts. Automaton has 20 states. Word has length 89 [2018-06-22 10:55:21,936 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:55:21,938 INFO ]: With dead ends: 142 [2018-06-22 10:55:21,938 INFO ]: Without dead ends: 142 [2018-06-22 10:55:21,939 INFO ]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2018-06-22 10:55:21,939 INFO ]: Start minimizeSevpa. Operand 142 states. [2018-06-22 10:55:21,954 INFO ]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-06-22 10:55:21,954 INFO ]: Start removeUnreachable. Operand 142 states. [2018-06-22 10:55:21,956 INFO ]: Finished removeUnreachable. Reduced from 142 states to 142 states and 152 transitions. [2018-06-22 10:55:21,956 INFO ]: Start accepts. Automaton has 142 states and 152 transitions. Word has length 89 [2018-06-22 10:55:21,956 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:55:21,956 INFO ]: Abstraction has 142 states and 152 transitions. [2018-06-22 10:55:21,956 INFO ]: Interpolant automaton has 20 states. [2018-06-22 10:55:21,956 INFO ]: Start isEmpty. Operand 142 states and 152 transitions. [2018-06-22 10:55:21,961 INFO ]: Finished isEmpty. Found accepting run of length 94 [2018-06-22 10:55:21,961 INFO ]: Found error trace [2018-06-22 10:55:21,961 INFO ]: trace histogram [2, 2, 2, 2, 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, 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, 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 10:55:21,961 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:55:21,961 INFO ]: Analyzing trace with hash 386927174, now seen corresponding path program 1 times [2018-06-22 10:55:21,961 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:55:21,961 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:55:21,962 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:21,962 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:21,962 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:21,986 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:22,315 INFO ]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:55:22,315 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:55:22,315 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 10:55:22,322 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:22,394 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:22,408 INFO ]: Computing forward predicates... [2018-06-22 10:55:23,182 INFO ]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:55:23,216 INFO ]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-06-22 10:55:23,217 INFO ]: Number of different interpolants: perfect sequences [16] imperfect sequences [24] total 38 [2018-06-22 10:55:23,221 INFO ]: Interpolant automaton has 38 states [2018-06-22 10:55:23,221 INFO ]: Constructing interpolant automaton starting with 38 interpolants. [2018-06-22 10:55:23,222 INFO ]: CoverageRelationStatistics Valid=77, Invalid=1329, Unknown=0, NotChecked=0, Total=1406 [2018-06-22 10:55:23,222 INFO ]: Start difference. First operand 142 states and 152 transitions. Second operand 38 states. [2018-06-22 10:55:25,066 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:55:25,066 INFO ]: Finished difference Result 190 states and 204 transitions. [2018-06-22 10:55:25,067 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-06-22 10:55:25,067 INFO ]: Start accepts. Automaton has 38 states. Word has length 93 [2018-06-22 10:55:25,068 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:55:25,072 INFO ]: With dead ends: 190 [2018-06-22 10:55:25,072 INFO ]: Without dead ends: 190 [2018-06-22 10:55:25,073 INFO ]: 0 DeclaredPredicates, 130 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=132, Invalid=2318, Unknown=0, NotChecked=0, Total=2450 [2018-06-22 10:55:25,073 INFO ]: Start minimizeSevpa. Operand 190 states. [2018-06-22 10:55:25,094 INFO ]: Finished minimizeSevpa. Reduced states from 190 to 148. [2018-06-22 10:55:25,094 INFO ]: Start removeUnreachable. Operand 148 states. [2018-06-22 10:55:25,095 INFO ]: Finished removeUnreachable. Reduced from 148 states to 148 states and 159 transitions. [2018-06-22 10:55:25,096 INFO ]: Start accepts. Automaton has 148 states and 159 transitions. Word has length 93 [2018-06-22 10:55:25,096 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:55:25,096 INFO ]: Abstraction has 148 states and 159 transitions. [2018-06-22 10:55:25,096 INFO ]: Interpolant automaton has 38 states. [2018-06-22 10:55:25,096 INFO ]: Start isEmpty. Operand 148 states and 159 transitions. [2018-06-22 10:55:25,098 INFO ]: Finished isEmpty. Found accepting run of length 98 [2018-06-22 10:55:25,098 INFO ]: Found error trace [2018-06-22 10:55:25,098 INFO ]: trace histogram [2, 2, 2, 2, 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, 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, 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, 1, 1, 1] [2018-06-22 10:55:25,099 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:55:25,099 INFO ]: Analyzing trace with hash 1664715430, now seen corresponding path program 1 times [2018-06-22 10:55:25,099 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:55:25,099 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:55:25,100 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:25,100 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:25,100 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:25,134 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:25,468 INFO ]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:55:25,468 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:55:25,468 INFO ]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2018-06-22 10:55:25,468 INFO ]: Interpolant automaton has 23 states [2018-06-22 10:55:25,468 INFO ]: Constructing interpolant automaton starting with 23 interpolants. [2018-06-22 10:55:25,469 INFO ]: CoverageRelationStatistics Valid=44, Invalid=462, Unknown=0, NotChecked=0, Total=506 [2018-06-22 10:55:25,469 INFO ]: Start difference. First operand 148 states and 159 transitions. Second operand 23 states. [2018-06-22 10:55:25,796 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:55:25,796 INFO ]: Finished difference Result 164 states and 174 transitions. [2018-06-22 10:55:25,796 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-06-22 10:55:25,796 INFO ]: Start accepts. Automaton has 23 states. Word has length 97 [2018-06-22 10:55:25,796 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:55:25,798 INFO ]: With dead ends: 164 [2018-06-22 10:55:25,798 INFO ]: Without dead ends: 148 [2018-06-22 10:55:25,798 INFO ]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=462, Unknown=0, NotChecked=0, Total=506 [2018-06-22 10:55:25,798 INFO ]: Start minimizeSevpa. Operand 148 states. [2018-06-22 10:55:25,810 INFO ]: Finished minimizeSevpa. Reduced states from 148 to 144. [2018-06-22 10:55:25,810 INFO ]: Start removeUnreachable. Operand 144 states. [2018-06-22 10:55:25,811 INFO ]: Finished removeUnreachable. Reduced from 144 states to 144 states and 154 transitions. [2018-06-22 10:55:25,811 INFO ]: Start accepts. Automaton has 144 states and 154 transitions. Word has length 97 [2018-06-22 10:55:25,811 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:55:25,811 INFO ]: Abstraction has 144 states and 154 transitions. [2018-06-22 10:55:25,811 INFO ]: Interpolant automaton has 23 states. [2018-06-22 10:55:25,811 INFO ]: Start isEmpty. Operand 144 states and 154 transitions. [2018-06-22 10:55:25,813 INFO ]: Finished isEmpty. Found accepting run of length 102 [2018-06-22 10:55:25,813 INFO ]: Found error trace [2018-06-22 10:55:25,813 INFO ]: trace histogram [2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:55:25,813 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:55:25,813 INFO ]: Analyzing trace with hash -1679817685, now seen corresponding path program 1 times [2018-06-22 10:55:25,813 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:55:25,813 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:55:25,814 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:25,814 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:25,814 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:25,829 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:26,217 INFO ]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:55:26,218 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:55:26,218 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 10:55:26,227 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:26,290 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:26,298 INFO ]: Computing forward predicates... [2018-06-22 10:55:27,146 INFO ]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:55:27,168 INFO ]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-06-22 10:55:27,168 INFO ]: Number of different interpolants: perfect sequences [21] imperfect sequences [27] total 46 [2018-06-22 10:55:27,169 INFO ]: Interpolant automaton has 46 states [2018-06-22 10:55:27,169 INFO ]: Constructing interpolant automaton starting with 46 interpolants. [2018-06-22 10:55:27,169 INFO ]: CoverageRelationStatistics Valid=96, Invalid=1974, Unknown=0, NotChecked=0, Total=2070 [2018-06-22 10:55:27,169 INFO ]: Start difference. First operand 144 states and 154 transitions. Second operand 46 states. [2018-06-22 10:55:29,020 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:55:29,020 INFO ]: Finished difference Result 206 states and 218 transitions. [2018-06-22 10:55:29,020 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-06-22 10:55:29,020 INFO ]: Start accepts. Automaton has 46 states. Word has length 101 [2018-06-22 10:55:29,020 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:55:29,022 INFO ]: With dead ends: 206 [2018-06-22 10:55:29,022 INFO ]: Without dead ends: 174 [2018-06-22 10:55:29,023 INFO ]: 0 DeclaredPredicates, 144 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=161, Invalid=3499, Unknown=0, NotChecked=0, Total=3660 [2018-06-22 10:55:29,023 INFO ]: Start minimizeSevpa. Operand 174 states. [2018-06-22 10:55:29,037 INFO ]: Finished minimizeSevpa. Reduced states from 174 to 152. [2018-06-22 10:55:29,037 INFO ]: Start removeUnreachable. Operand 152 states. [2018-06-22 10:55:29,039 INFO ]: Finished removeUnreachable. Reduced from 152 states to 152 states and 162 transitions. [2018-06-22 10:55:29,039 INFO ]: Start accepts. Automaton has 152 states and 162 transitions. Word has length 101 [2018-06-22 10:55:29,039 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:55:29,039 INFO ]: Abstraction has 152 states and 162 transitions. [2018-06-22 10:55:29,039 INFO ]: Interpolant automaton has 46 states. [2018-06-22 10:55:29,039 INFO ]: Start isEmpty. Operand 152 states and 162 transitions. [2018-06-22 10:55:29,041 INFO ]: Finished isEmpty. Found accepting run of length 102 [2018-06-22 10:55:29,041 INFO ]: Found error trace [2018-06-22 10:55:29,041 INFO ]: trace histogram [2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:55:29,041 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:55:29,041 INFO ]: Analyzing trace with hash 1301498478, now seen corresponding path program 1 times [2018-06-22 10:55:29,042 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:55:29,042 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:55:29,042 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:29,042 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:29,042 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:29,057 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:29,331 WARN ]: Spent 199.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7 [2018-06-22 10:55:30,079 INFO ]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:55:30,079 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:55:30,079 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 -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:55:30,093 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:30,147 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:30,155 INFO ]: Computing forward predicates... [2018-06-22 10:55:30,798 INFO ]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:55:30,819 INFO ]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-06-22 10:55:30,819 INFO ]: Number of different interpolants: perfect sequences [21] imperfect sequences [27] total 46 [2018-06-22 10:55:30,820 INFO ]: Interpolant automaton has 46 states [2018-06-22 10:55:30,820 INFO ]: Constructing interpolant automaton starting with 46 interpolants. [2018-06-22 10:55:30,820 INFO ]: CoverageRelationStatistics Valid=96, Invalid=1974, Unknown=0, NotChecked=0, Total=2070 [2018-06-22 10:55:30,820 INFO ]: Start difference. First operand 152 states and 162 transitions. Second operand 46 states. [2018-06-22 10:55:31,812 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:55:31,812 INFO ]: Finished difference Result 194 states and 205 transitions. [2018-06-22 10:55:31,812 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-06-22 10:55:31,812 INFO ]: Start accepts. Automaton has 46 states. Word has length 101 [2018-06-22 10:55:31,812 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:55:31,813 INFO ]: With dead ends: 194 [2018-06-22 10:55:31,813 INFO ]: Without dead ends: 162 [2018-06-22 10:55:31,814 INFO ]: 0 DeclaredPredicates, 144 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=161, Invalid=3499, Unknown=0, NotChecked=0, Total=3660 [2018-06-22 10:55:31,814 INFO ]: Start minimizeSevpa. Operand 162 states. [2018-06-22 10:55:31,824 INFO ]: Finished minimizeSevpa. Reduced states from 162 to 132. [2018-06-22 10:55:31,824 INFO ]: Start removeUnreachable. Operand 132 states. [2018-06-22 10:55:31,826 INFO ]: Finished removeUnreachable. Reduced from 132 states to 132 states and 141 transitions. [2018-06-22 10:55:31,826 INFO ]: Start accepts. Automaton has 132 states and 141 transitions. Word has length 101 [2018-06-22 10:55:31,826 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:55:31,826 INFO ]: Abstraction has 132 states and 141 transitions. [2018-06-22 10:55:31,826 INFO ]: Interpolant automaton has 46 states. [2018-06-22 10:55:31,826 INFO ]: Start isEmpty. Operand 132 states and 141 transitions. [2018-06-22 10:55:31,828 INFO ]: Finished isEmpty. Found accepting run of length 126 [2018-06-22 10:55:31,828 INFO ]: Found error trace [2018-06-22 10:55:31,828 INFO ]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:55:31,828 INFO ]: === Iteration 8 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:55:31,828 INFO ]: Analyzing trace with hash 601216211, now seen corresponding path program 1 times [2018-06-22 10:55:31,828 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:55:31,828 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:55:31,829 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:31,829 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:31,829 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:31,844 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:32,075 WARN ]: Spent 101.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-06-22 10:55:32,173 INFO ]: Checked inductivity of 41 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-06-22 10:55:32,174 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:55:32,174 INFO ]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-06-22 10:55:32,174 INFO ]: Interpolant automaton has 12 states [2018-06-22 10:55:32,174 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 10:55:32,174 INFO ]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:55:32,174 INFO ]: Start difference. First operand 132 states and 141 transitions. Second operand 12 states. [2018-06-22 10:55:32,299 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:55:32,299 INFO ]: Finished difference Result 180 states and 201 transitions. [2018-06-22 10:55:32,299 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-22 10:55:32,299 INFO ]: Start accepts. Automaton has 12 states. Word has length 125 [2018-06-22 10:55:32,299 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:55:32,301 INFO ]: With dead ends: 180 [2018-06-22 10:55:32,301 INFO ]: Without dead ends: 179 [2018-06-22 10:55:32,301 INFO ]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:55:32,301 INFO ]: Start minimizeSevpa. Operand 179 states. [2018-06-22 10:55:32,313 INFO ]: Finished minimizeSevpa. Reduced states from 179 to 177. [2018-06-22 10:55:32,313 INFO ]: Start removeUnreachable. Operand 177 states. [2018-06-22 10:55:32,315 INFO ]: Finished removeUnreachable. Reduced from 177 states to 177 states and 196 transitions. [2018-06-22 10:55:32,315 INFO ]: Start accepts. Automaton has 177 states and 196 transitions. Word has length 125 [2018-06-22 10:55:32,315 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:55:32,315 INFO ]: Abstraction has 177 states and 196 transitions. [2018-06-22 10:55:32,315 INFO ]: Interpolant automaton has 12 states. [2018-06-22 10:55:32,315 INFO ]: Start isEmpty. Operand 177 states and 196 transitions. [2018-06-22 10:55:32,318 INFO ]: Finished isEmpty. Found accepting run of length 126 [2018-06-22 10:55:32,318 INFO ]: Found error trace [2018-06-22 10:55:32,322 INFO ]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:55:32,322 INFO ]: === Iteration 9 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:55:32,322 INFO ]: Analyzing trace with hash 555404950, now seen corresponding path program 1 times [2018-06-22 10:55:32,322 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:55:32,322 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:55:32,323 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:32,323 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:32,323 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:32,349 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:32,553 INFO ]: Checked inductivity of 41 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-06-22 10:55:32,554 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:55:32,554 INFO ]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-06-22 10:55:32,554 INFO ]: Interpolant automaton has 12 states [2018-06-22 10:55:32,554 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 10:55:32,554 INFO ]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:55:32,554 INFO ]: Start difference. First operand 177 states and 196 transitions. Second operand 12 states. [2018-06-22 10:55:32,677 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:55:32,678 INFO ]: Finished difference Result 193 states and 229 transitions. [2018-06-22 10:55:32,683 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-22 10:55:32,683 INFO ]: Start accepts. Automaton has 12 states. Word has length 125 [2018-06-22 10:55:32,683 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:55:32,683 INFO ]: With dead ends: 193 [2018-06-22 10:55:32,683 INFO ]: Without dead ends: 0 [2018-06-22 10:55:32,683 INFO ]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:55:32,683 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 10:55:32,683 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 10:55:32,683 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 10:55:32,683 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 10:55:32,683 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 125 [2018-06-22 10:55:32,683 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:55:32,683 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 10:55:32,683 INFO ]: Interpolant automaton has 12 states. [2018-06-22 10:55:32,683 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 10:55:32,683 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 10:55:32,687 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:55:32 BoogieIcfgContainer [2018-06-22 10:55:32,687 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:55:32,688 INFO ]: Toolchain (without parser) took 14770.96 ms. Allocated memory was 308.3 MB in the beginning and 499.6 MB in the end (delta: 191.4 MB). Free memory was 252.7 MB in the beginning and 315.1 MB in the end (delta: -62.4 MB). Peak memory consumption was 129.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:55:32,688 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:55:32,689 INFO ]: ChcToBoogie took 81.17 ms. Allocated memory is still 308.3 MB. Free memory was 252.7 MB in the beginning and 250.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:55:32,690 INFO ]: Boogie Preprocessor took 84.41 ms. Allocated memory is still 308.3 MB. Free memory was 250.7 MB in the beginning and 248.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:55:32,690 INFO ]: RCFGBuilder took 452.88 ms. Allocated memory is still 308.3 MB. Free memory was 248.7 MB in the beginning and 226.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:55:32,691 INFO ]: TraceAbstraction took 14123.98 ms. Allocated memory was 308.3 MB in the beginning and 499.6 MB in the end (delta: 191.4 MB). Free memory was 226.7 MB in the beginning and 315.1 MB in the end (delta: -88.4 MB). Peak memory consumption was 103.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:55:32,693 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 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 81.17 ms. Allocated memory is still 308.3 MB. Free memory was 252.7 MB in the beginning and 250.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 84.41 ms. Allocated memory is still 308.3 MB. Free memory was 250.7 MB in the beginning and 248.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 452.88 ms. Allocated memory is still 308.3 MB. Free memory was 248.7 MB in the beginning and 226.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 14123.98 ms. Allocated memory was 308.3 MB in the beginning and 499.6 MB in the end (delta: 191.4 MB). Free memory was 226.7 MB in the beginning and 315.1 MB in the end (delta: -88.4 MB). Peak memory consumption was 103.0 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 27 procedures, 112 locations, 1 error locations. SAFE Result, 14.0s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 6.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 994 SDtfs, 48 SDslu, 21254 SDs, 0 SdLazy, 5295 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 525 GetRequests, 265 SyntacticMatches, 7 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=8, 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: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 100 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 1148 NumberOfCodeBlocks, 1148 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1136 ConstructedInterpolants, 0 QuantifiedInterpolants, 230548 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1533 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 126/138 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/37.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-55-32-702.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/37.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-55-32-702.csv Received shutdown request...