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/24.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:52:15,383 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:52:15,385 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:52:15,399 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:52:15,399 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:52:15,400 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:52:15,401 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:52:15,405 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:52:15,407 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:52:15,408 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:52:15,413 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:52:15,413 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:52:15,414 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:52:15,415 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:52:15,415 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:52:15,416 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:52:15,418 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:52:15,420 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:52:15,428 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:52:15,429 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:52:15,430 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:52:15,432 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:52:15,432 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:52:15,432 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:52:15,433 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:52:15,434 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:52:15,434 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:52:15,435 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:52:15,436 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:52:15,436 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:52:15,437 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:52:15,437 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:52:15,438 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:52:15,438 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:52:15,439 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:52:15,439 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 10:52:15,462 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:52:15,462 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:52:15,463 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:52:15,463 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:52:15,464 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:52:15,464 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:52:15,464 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:52:15,464 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:52:15,467 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:52:15,467 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:52:15,468 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:52:15,468 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:52:15,468 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:52:15,468 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:52:15,468 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:52:15,469 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:52:15,469 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:52:15,469 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:52:15,469 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:52:15,471 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:52:15,472 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:52:15,519 INFO ]: Repository-Root is: /tmp [2018-06-22 10:52:15,537 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:52:15,540 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:52:15,542 INFO ]: Initializing SmtParser... [2018-06-22 10:52:15,542 INFO ]: SmtParser initialized [2018-06-22 10:52:15,543 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/HOLA/24.c.smt2 [2018-06-22 10:52:15,544 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 10:52:15,640 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/24.c.smt2 unknown [2018-06-22 10:52:16,022 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/24.c.smt2 [2018-06-22 10:52:16,027 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:52:16,033 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:52:16,033 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:52:16,033 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:52:16,033 INFO ]: ChcToBoogie initialized [2018-06-22 10:52:16,036 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:52:16" (1/1) ... [2018-06-22 10:52:16,102 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:16 Unit [2018-06-22 10:52:16,102 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:52:16,103 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:52:16,103 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:52:16,103 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:52:16,134 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:16" (1/1) ... [2018-06-22 10:52:16,134 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:16" (1/1) ... [2018-06-22 10:52:16,152 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:16" (1/1) ... [2018-06-22 10:52:16,152 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:16" (1/1) ... [2018-06-22 10:52:16,167 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:16" (1/1) ... [2018-06-22 10:52:16,169 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:16" (1/1) ... [2018-06-22 10:52:16,171 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:16" (1/1) ... [2018-06-22 10:52:16,174 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:52:16,174 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:52:16,174 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:52:16,174 INFO ]: RCFGBuilder initialized [2018-06-22 10:52:16,175 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:16" (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 10:52:16,186 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:52:16,186 INFO ]: Found specification of procedure False [2018-06-22 10:52:16,186 INFO ]: Found implementation of procedure False [2018-06-22 10:52:16,186 INFO ]: Specification and implementation of procedure h30 given in one single declaration [2018-06-22 10:52:16,186 INFO ]: Found specification of procedure h30 [2018-06-22 10:52:16,186 INFO ]: Found implementation of procedure h30 [2018-06-22 10:52:16,186 INFO ]: Specification and implementation of procedure h26 given in one single declaration [2018-06-22 10:52:16,186 INFO ]: Found specification of procedure h26 [2018-06-22 10:52:16,186 INFO ]: Found implementation of procedure h26 [2018-06-22 10:52:16,186 INFO ]: Specification and implementation of procedure h25 given in one single declaration [2018-06-22 10:52:16,186 INFO ]: Found specification of procedure h25 [2018-06-22 10:52:16,187 INFO ]: Found implementation of procedure h25 [2018-06-22 10:52:16,187 INFO ]: Specification and implementation of procedure h24 given in one single declaration [2018-06-22 10:52:16,187 INFO ]: Found specification of procedure h24 [2018-06-22 10:52:16,187 INFO ]: Found implementation of procedure h24 [2018-06-22 10:52:16,187 INFO ]: Specification and implementation of procedure h23 given in one single declaration [2018-06-22 10:52:16,187 INFO ]: Found specification of procedure h23 [2018-06-22 10:52:16,187 INFO ]: Found implementation of procedure h23 [2018-06-22 10:52:16,187 INFO ]: Specification and implementation of procedure h32 given in one single declaration [2018-06-22 10:52:16,187 INFO ]: Found specification of procedure h32 [2018-06-22 10:52:16,187 INFO ]: Found implementation of procedure h32 [2018-06-22 10:52:16,187 INFO ]: Specification and implementation of procedure h31 given in one single declaration [2018-06-22 10:52:16,187 INFO ]: Found specification of procedure h31 [2018-06-22 10:52:16,187 INFO ]: Found implementation of procedure h31 [2018-06-22 10:52:16,187 INFO ]: Specification and implementation of procedure h22 given in one single declaration [2018-06-22 10:52:16,187 INFO ]: Found specification of procedure h22 [2018-06-22 10:52:16,187 INFO ]: Found implementation of procedure h22 [2018-06-22 10:52:16,187 INFO ]: Specification and implementation of procedure h21 given in one single declaration [2018-06-22 10:52:16,187 INFO ]: Found specification of procedure h21 [2018-06-22 10:52:16,187 INFO ]: Found implementation of procedure h21 [2018-06-22 10:52:16,187 INFO ]: Specification and implementation of procedure h17 given in one single declaration [2018-06-22 10:52:16,187 INFO ]: Found specification of procedure h17 [2018-06-22 10:52:16,187 INFO ]: Found implementation of procedure h17 [2018-06-22 10:52:16,187 INFO ]: Specification and implementation of procedure h16 given in one single declaration [2018-06-22 10:52:16,187 INFO ]: Found specification of procedure h16 [2018-06-22 10:52:16,187 INFO ]: Found implementation of procedure h16 [2018-06-22 10:52:16,187 INFO ]: Specification and implementation of procedure h15 given in one single declaration [2018-06-22 10:52:16,187 INFO ]: Found specification of procedure h15 [2018-06-22 10:52:16,188 INFO ]: Found implementation of procedure h15 [2018-06-22 10:52:16,188 INFO ]: Specification and implementation of procedure h14 given in one single declaration [2018-06-22 10:52:16,188 INFO ]: Found specification of procedure h14 [2018-06-22 10:52:16,188 INFO ]: Found implementation of procedure h14 [2018-06-22 10:52:16,188 INFO ]: Specification and implementation of procedure h13 given in one single declaration [2018-06-22 10:52:16,188 INFO ]: Found specification of procedure h13 [2018-06-22 10:52:16,188 INFO ]: Found implementation of procedure h13 [2018-06-22 10:52:16,188 INFO ]: Specification and implementation of procedure h12 given in one single declaration [2018-06-22 10:52:16,188 INFO ]: Found specification of procedure h12 [2018-06-22 10:52:16,188 INFO ]: Found implementation of procedure h12 [2018-06-22 10:52:16,188 INFO ]: Specification and implementation of procedure h8 given in one single declaration [2018-06-22 10:52:16,188 INFO ]: Found specification of procedure h8 [2018-06-22 10:52:16,188 INFO ]: Found implementation of procedure h8 [2018-06-22 10:52:16,188 INFO ]: Specification and implementation of procedure h7 given in one single declaration [2018-06-22 10:52:16,188 INFO ]: Found specification of procedure h7 [2018-06-22 10:52:16,188 INFO ]: Found implementation of procedure h7 [2018-06-22 10:52:16,188 INFO ]: Specification and implementation of procedure h6 given in one single declaration [2018-06-22 10:52:16,188 INFO ]: Found specification of procedure h6 [2018-06-22 10:52:16,188 INFO ]: Found implementation of procedure h6 [2018-06-22 10:52:16,188 INFO ]: Specification and implementation of procedure h5 given in one single declaration [2018-06-22 10:52:16,188 INFO ]: Found specification of procedure h5 [2018-06-22 10:52:16,188 INFO ]: Found implementation of procedure h5 [2018-06-22 10:52:16,188 INFO ]: Specification and implementation of procedure h4 given in one single declaration [2018-06-22 10:52:16,188 INFO ]: Found specification of procedure h4 [2018-06-22 10:52:16,188 INFO ]: Found implementation of procedure h4 [2018-06-22 10:52:16,188 INFO ]: Specification and implementation of procedure h3 given in one single declaration [2018-06-22 10:52:16,188 INFO ]: Found specification of procedure h3 [2018-06-22 10:52:16,188 INFO ]: Found implementation of procedure h3 [2018-06-22 10:52:16,188 INFO ]: Specification and implementation of procedure h2 given in one single declaration [2018-06-22 10:52:16,188 INFO ]: Found specification of procedure h2 [2018-06-22 10:52:16,189 INFO ]: Found implementation of procedure h2 [2018-06-22 10:52:16,189 INFO ]: Specification and implementation of procedure h1 given in one single declaration [2018-06-22 10:52:16,189 INFO ]: Found specification of procedure h1 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:52:16,189 INFO ]: Found implementation of procedure h1 [2018-06-22 10:52:16,190 INFO ]: Specification and implementation of procedure h34 given in one single declaration [2018-06-22 10:52:16,190 INFO ]: Found specification of procedure h34 [2018-06-22 10:52:16,190 INFO ]: Found implementation of procedure h34 [2018-06-22 10:52:16,190 INFO ]: Specification and implementation of procedure h20 given in one single declaration [2018-06-22 10:52:16,190 INFO ]: Found specification of procedure h20 [2018-06-22 10:52:16,191 INFO ]: Found implementation of procedure h20 [2018-06-22 10:52:16,191 INFO ]: Specification and implementation of procedure h19 given in one single declaration [2018-06-22 10:52:16,191 INFO ]: Found specification of procedure h19 [2018-06-22 10:52:16,191 INFO ]: Found implementation of procedure h19 [2018-06-22 10:52:16,191 INFO ]: Specification and implementation of procedure h18 given in one single declaration [2018-06-22 10:52:16,191 INFO ]: Found specification of procedure h18 [2018-06-22 10:52:16,191 INFO ]: Found implementation of procedure h18 [2018-06-22 10:52:16,191 INFO ]: Specification and implementation of procedure h33 given in one single declaration [2018-06-22 10:52:16,191 INFO ]: Found specification of procedure h33 [2018-06-22 10:52:16,191 INFO ]: Found implementation of procedure h33 [2018-06-22 10:52:16,191 INFO ]: Specification and implementation of procedure h29 given in one single declaration [2018-06-22 10:52:16,191 INFO ]: Found specification of procedure h29 [2018-06-22 10:52:16,191 INFO ]: Found implementation of procedure h29 [2018-06-22 10:52:16,191 INFO ]: Specification and implementation of procedure h28 given in one single declaration [2018-06-22 10:52:16,191 INFO ]: Found specification of procedure h28 [2018-06-22 10:52:16,191 INFO ]: Found implementation of procedure h28 [2018-06-22 10:52:16,191 INFO ]: Specification and implementation of procedure h27 given in one single declaration [2018-06-22 10:52:16,191 INFO ]: Found specification of procedure h27 [2018-06-22 10:52:16,191 INFO ]: Found implementation of procedure h27 [2018-06-22 10:52:16,191 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:52:16,191 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:52:16,191 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 10:52:16,627 INFO ]: Using library mode [2018-06-22 10:52:16,628 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:52:16 BoogieIcfgContainer [2018-06-22 10:52:16,628 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:52:16,629 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:52:16,629 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:52:16,632 INFO ]: TraceAbstraction initialized [2018-06-22 10:52:16,633 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:52:16" (1/3) ... [2018-06-22 10:52:16,633 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15993bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:52:16, skipping insertion in model container [2018-06-22 10:52:16,633 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:16" (2/3) ... [2018-06-22 10:52:16,634 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15993bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:52:16, skipping insertion in model container [2018-06-22 10:52:16,634 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:52:16" (3/3) ... [2018-06-22 10:52:16,636 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:52:16,645 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:52:16,657 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:52:16,707 INFO ]: Using default assertion order modulation [2018-06-22 10:52:16,708 INFO ]: Interprodecural is true [2018-06-22 10:52:16,708 INFO ]: Hoare is false [2018-06-22 10:52:16,708 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:52:16,708 INFO ]: Backedges is TWOTRACK [2018-06-22 10:52:16,708 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:52:16,708 INFO ]: Difference is false [2018-06-22 10:52:16,708 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:52:16,708 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:52:16,727 INFO ]: Start isEmpty. Operand 135 states. [2018-06-22 10:52:16,748 INFO ]: Finished isEmpty. Found accepting run of length 90 [2018-06-22 10:52:16,748 INFO ]: Found error trace [2018-06-22 10:52:16,749 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, 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 10:52:16,749 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:52:16,753 INFO ]: Analyzing trace with hash 1044150927, now seen corresponding path program 1 times [2018-06-22 10:52:16,754 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:52:16,754 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:52:16,785 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:16,786 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:52:16,786 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:16,864 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:52:17,897 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:52:17,899 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:52:17,899 INFO ]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-06-22 10:52:17,902 INFO ]: Interpolant automaton has 17 states [2018-06-22 10:52:17,919 INFO ]: Constructing interpolant automaton starting with 17 interpolants. [2018-06-22 10:52:17,921 INFO ]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-06-22 10:52:17,924 INFO ]: Start difference. First operand 135 states. Second operand 17 states. [2018-06-22 10:52:18,854 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:52:18,854 INFO ]: Finished difference Result 153 states and 160 transitions. [2018-06-22 10:52:18,854 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-06-22 10:52:18,855 INFO ]: Start accepts. Automaton has 17 states. Word has length 89 [2018-06-22 10:52:18,856 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:52:18,867 INFO ]: With dead ends: 153 [2018-06-22 10:52:18,867 INFO ]: Without dead ends: 153 [2018-06-22 10:52:18,869 INFO ]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2018-06-22 10:52:18,882 INFO ]: Start minimizeSevpa. Operand 153 states. [2018-06-22 10:52:18,921 INFO ]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-06-22 10:52:18,922 INFO ]: Start removeUnreachable. Operand 153 states. [2018-06-22 10:52:18,926 INFO ]: Finished removeUnreachable. Reduced from 153 states to 153 states and 160 transitions. [2018-06-22 10:52:18,928 INFO ]: Start accepts. Automaton has 153 states and 160 transitions. Word has length 89 [2018-06-22 10:52:18,928 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:52:18,928 INFO ]: Abstraction has 153 states and 160 transitions. [2018-06-22 10:52:18,928 INFO ]: Interpolant automaton has 17 states. [2018-06-22 10:52:18,928 INFO ]: Start isEmpty. Operand 153 states and 160 transitions. [2018-06-22 10:52:18,935 INFO ]: Finished isEmpty. Found accepting run of length 114 [2018-06-22 10:52:18,935 INFO ]: Found error trace [2018-06-22 10:52:18,935 INFO ]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:52:18,936 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:52:18,936 INFO ]: Analyzing trace with hash 1425269305, now seen corresponding path program 1 times [2018-06-22 10:52:18,936 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:52:18,936 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:52:18,937 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:18,937 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:52:18,937 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:18,985 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:52:19,233 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:52:19,233 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:52:19,233 INFO ]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-06-22 10:52:19,235 INFO ]: Interpolant automaton has 10 states [2018-06-22 10:52:19,235 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-22 10:52:19,235 INFO ]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-06-22 10:52:19,235 INFO ]: Start difference. First operand 153 states and 160 transitions. Second operand 10 states. [2018-06-22 10:52:19,463 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:52:19,463 INFO ]: Finished difference Result 161 states and 169 transitions. [2018-06-22 10:52:19,463 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-06-22 10:52:19,463 INFO ]: Start accepts. Automaton has 10 states. Word has length 113 [2018-06-22 10:52:19,464 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:52:19,467 INFO ]: With dead ends: 161 [2018-06-22 10:52:19,467 INFO ]: Without dead ends: 161 [2018-06-22 10:52:19,468 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:52:19,468 INFO ]: Start minimizeSevpa. Operand 161 states. [2018-06-22 10:52:19,485 INFO ]: Finished minimizeSevpa. Reduced states from 161 to 153. [2018-06-22 10:52:19,485 INFO ]: Start removeUnreachable. Operand 153 states. [2018-06-22 10:52:19,489 INFO ]: Finished removeUnreachable. Reduced from 153 states to 153 states and 160 transitions. [2018-06-22 10:52:19,489 INFO ]: Start accepts. Automaton has 153 states and 160 transitions. Word has length 113 [2018-06-22 10:52:19,490 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:52:19,490 INFO ]: Abstraction has 153 states and 160 transitions. [2018-06-22 10:52:19,490 INFO ]: Interpolant automaton has 10 states. [2018-06-22 10:52:19,490 INFO ]: Start isEmpty. Operand 153 states and 160 transitions. [2018-06-22 10:52:19,493 INFO ]: Finished isEmpty. Found accepting run of length 138 [2018-06-22 10:52:19,493 INFO ]: Found error trace [2018-06-22 10:52:19,493 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:52:19,493 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:52:19,493 INFO ]: Analyzing trace with hash 1708613597, now seen corresponding path program 1 times [2018-06-22 10:52:19,494 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:52:19,494 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:52:19,494 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:19,494 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:52:19,494 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:19,533 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:52:20,055 INFO ]: Checked inductivity of 31 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-06-22 10:52:20,055 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:52:20,055 INFO ]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-06-22 10:52:20,056 INFO ]: Interpolant automaton has 17 states [2018-06-22 10:52:20,056 INFO ]: Constructing interpolant automaton starting with 17 interpolants. [2018-06-22 10:52:20,056 INFO ]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2018-06-22 10:52:20,056 INFO ]: Start difference. First operand 153 states and 160 transitions. Second operand 17 states. [2018-06-22 10:52:20,449 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:52:20,449 INFO ]: Finished difference Result 157 states and 164 transitions. [2018-06-22 10:52:20,449 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-06-22 10:52:20,449 INFO ]: Start accepts. Automaton has 17 states. Word has length 137 [2018-06-22 10:52:20,450 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:52:20,452 INFO ]: With dead ends: 157 [2018-06-22 10:52:20,452 INFO ]: Without dead ends: 157 [2018-06-22 10:52:20,453 INFO ]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2018-06-22 10:52:20,453 INFO ]: Start minimizeSevpa. Operand 157 states. [2018-06-22 10:52:20,469 INFO ]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-06-22 10:52:20,470 INFO ]: Start removeUnreachable. Operand 157 states. [2018-06-22 10:52:20,471 INFO ]: Finished removeUnreachable. Reduced from 157 states to 157 states and 164 transitions. [2018-06-22 10:52:20,471 INFO ]: Start accepts. Automaton has 157 states and 164 transitions. Word has length 137 [2018-06-22 10:52:20,471 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:52:20,471 INFO ]: Abstraction has 157 states and 164 transitions. [2018-06-22 10:52:20,471 INFO ]: Interpolant automaton has 17 states. [2018-06-22 10:52:20,471 INFO ]: Start isEmpty. Operand 157 states and 164 transitions. [2018-06-22 10:52:20,474 INFO ]: Finished isEmpty. Found accepting run of length 162 [2018-06-22 10:52:20,474 INFO ]: Found error trace [2018-06-22 10:52:20,475 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:52:20,475 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:52:20,475 INFO ]: Analyzing trace with hash -1302889593, now seen corresponding path program 1 times [2018-06-22 10:52:20,475 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:52:20,475 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:52:20,476 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:20,476 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:52:20,476 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:20,517 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:52:21,241 INFO ]: Checked inductivity of 53 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-06-22 10:52:21,241 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:52:21,241 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 10:52:21,249 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:52:21,368 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:52:21,400 INFO ]: Computing forward predicates... [2018-06-22 10:52:22,019 INFO ]: Checked inductivity of 53 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-06-22 10:52:22,052 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:52:22,053 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 31] total 43 [2018-06-22 10:52:22,053 INFO ]: Interpolant automaton has 43 states [2018-06-22 10:52:22,054 INFO ]: Constructing interpolant automaton starting with 43 interpolants. [2018-06-22 10:52:22,054 INFO ]: CoverageRelationStatistics Valid=88, Invalid=1718, Unknown=0, NotChecked=0, Total=1806 [2018-06-22 10:52:22,054 INFO ]: Start difference. First operand 157 states and 164 transitions. Second operand 43 states. [2018-06-22 10:52:23,901 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:52:23,901 INFO ]: Finished difference Result 155 states and 162 transitions. [2018-06-22 10:52:23,901 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-06-22 10:52:23,901 INFO ]: Start accepts. Automaton has 43 states. Word has length 161 [2018-06-22 10:52:23,902 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:52:23,902 INFO ]: With dead ends: 155 [2018-06-22 10:52:23,902 INFO ]: Without dead ends: 0 [2018-06-22 10:52:23,904 INFO ]: 0 DeclaredPredicates, 212 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=170, Invalid=3252, Unknown=0, NotChecked=0, Total=3422 [2018-06-22 10:52:23,904 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 10:52:23,904 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 10:52:23,904 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 10:52:23,904 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 10:52:23,904 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2018-06-22 10:52:23,904 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:52:23,904 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 10:52:23,904 INFO ]: Interpolant automaton has 43 states. [2018-06-22 10:52:23,904 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 10:52:23,904 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 10:52:23,911 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:52:23 BoogieIcfgContainer [2018-06-22 10:52:23,911 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:52:23,912 INFO ]: Toolchain (without parser) took 7884.59 ms. Allocated memory was 302.0 MB in the beginning and 441.5 MB in the end (delta: 139.5 MB). Free memory was 243.4 MB in the beginning and 358.8 MB in the end (delta: -115.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:52:23,913 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 302.0 MB. Free memory is still 267.5 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:52:23,913 INFO ]: ChcToBoogie took 69.46 ms. Allocated memory is still 302.0 MB. Free memory was 243.4 MB in the beginning and 241.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:52:23,914 INFO ]: Boogie Preprocessor took 70.76 ms. Allocated memory is still 302.0 MB. Free memory was 241.3 MB in the beginning and 239.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:52:23,914 INFO ]: RCFGBuilder took 453.74 ms. Allocated memory is still 302.0 MB. Free memory was 239.3 MB in the beginning and 215.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 3.6 GB. [2018-06-22 10:52:23,914 INFO ]: TraceAbstraction took 7281.43 ms. Allocated memory was 302.0 MB in the beginning and 441.5 MB in the end (delta: 139.5 MB). Free memory was 215.2 MB in the beginning and 358.8 MB in the end (delta: -143.6 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:52:23,917 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 302.0 MB. Free memory is still 267.5 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 69.46 ms. Allocated memory is still 302.0 MB. Free memory was 243.4 MB in the beginning and 241.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 70.76 ms. Allocated memory is still 302.0 MB. Free memory was 241.3 MB in the beginning and 239.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 453.74 ms. Allocated memory is still 302.0 MB. Free memory was 239.3 MB in the beginning and 215.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 7281.43 ms. Allocated memory was 302.0 MB in the beginning and 441.5 MB in the end (delta: 139.5 MB). Free memory was 215.2 MB in the beginning and 358.8 MB in the end (delta: -143.6 MB). There was no memory consumed. 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 33 procedures, 135 locations, 1 error locations. SAFE Result, 7.2s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 506 SDtfs, 12 SDslu, 9099 SDs, 0 SdLazy, 1809 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 174 SyntacticMatches, 2 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred in iteration=3, 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 661 NumberOfCodeBlocks, 661 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 656 ConstructedInterpolants, 0 QuantifiedInterpolants, 181688 SizeOfPredicates, 5 NumberOfNonLiveVariables, 841 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 110/152 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/24.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-52-23-926.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/24.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-52-23-926.csv Received shutdown request...