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/28.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:52:50,544 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:52:50,546 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:52:50,561 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:52:50,561 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:52:50,562 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:52:50,563 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:52:50,567 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:52:50,569 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:52:50,571 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:52:50,572 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:52:50,572 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:52:50,573 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:52:50,577 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:52:50,578 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:52:50,579 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:52:50,581 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:52:50,593 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:52:50,594 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:52:50,595 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:52:50,596 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:52:50,599 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:52:50,603 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:52:50,603 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:52:50,604 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:52:50,605 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:52:50,606 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:52:50,607 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:52:50,612 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:52:50,612 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:52:50,613 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:52:50,614 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:52:50,614 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:52:50,615 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:52:50,617 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:52:50,617 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 10:52:50,638 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:52:50,640 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:52:50,641 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:52:50,641 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:52:50,642 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:52:50,642 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:52:50,642 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:52:50,642 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:52:50,643 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:52:50,643 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:52:50,643 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:52:50,643 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:52:50,643 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:52:50,644 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:52:50,644 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:52:50,644 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:52:50,645 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:52:50,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:52:50,645 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:52:50,646 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:52:50,647 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:52:50,698 INFO ]: Repository-Root is: /tmp [2018-06-22 10:52:50,711 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:52:50,717 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:52:50,718 INFO ]: Initializing SmtParser... [2018-06-22 10:52:50,718 INFO ]: SmtParser initialized [2018-06-22 10:52:50,720 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/HOLA/28.c.smt2 [2018-06-22 10:52:50,721 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 10:52:50,809 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/28.c.smt2 unknown [2018-06-22 10:52:51,175 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/28.c.smt2 [2018-06-22 10:52:51,180 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:52:51,195 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:52:51,196 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:52:51,196 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:52:51,196 INFO ]: ChcToBoogie initialized [2018-06-22 10:52:51,199 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:52:51" (1/1) ... [2018-06-22 10:52:51,282 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:51 Unit [2018-06-22 10:52:51,282 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:52:51,283 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:52:51,283 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:52:51,283 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:52:51,302 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:51" (1/1) ... [2018-06-22 10:52:51,303 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:51" (1/1) ... [2018-06-22 10:52:51,317 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:51" (1/1) ... [2018-06-22 10:52:51,317 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:51" (1/1) ... [2018-06-22 10:52:51,323 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:51" (1/1) ... [2018-06-22 10:52:51,336 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:51" (1/1) ... [2018-06-22 10:52:51,337 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:51" (1/1) ... [2018-06-22 10:52:51,340 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:52:51,344 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:52:51,344 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:52:51,344 INFO ]: RCFGBuilder initialized [2018-06-22 10:52:51,345 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:51" (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 10:52:51,360 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:52:51,360 INFO ]: Found specification of procedure False [2018-06-22 10:52:51,361 INFO ]: Found implementation of procedure False [2018-06-22 10:52:51,361 INFO ]: Specification and implementation of procedure h26 given in one single declaration [2018-06-22 10:52:51,361 INFO ]: Found specification of procedure h26 [2018-06-22 10:52:51,361 INFO ]: Found implementation of procedure h26 [2018-06-22 10:52:51,361 INFO ]: Specification and implementation of procedure h25 given in one single declaration [2018-06-22 10:52:51,361 INFO ]: Found specification of procedure h25 [2018-06-22 10:52:51,361 INFO ]: Found implementation of procedure h25 [2018-06-22 10:52:51,361 INFO ]: Specification and implementation of procedure h24 given in one single declaration [2018-06-22 10:52:51,361 INFO ]: Found specification of procedure h24 [2018-06-22 10:52:51,361 INFO ]: Found implementation of procedure h24 [2018-06-22 10:52:51,361 INFO ]: Specification and implementation of procedure h23 given in one single declaration [2018-06-22 10:52:51,361 INFO ]: Found specification of procedure h23 [2018-06-22 10:52:51,361 INFO ]: Found implementation of procedure h23 [2018-06-22 10:52:51,361 INFO ]: Specification and implementation of procedure h22 given in one single declaration [2018-06-22 10:52:51,361 INFO ]: Found specification of procedure h22 [2018-06-22 10:52:51,361 INFO ]: Found implementation of procedure h22 [2018-06-22 10:52:51,361 INFO ]: Specification and implementation of procedure h18 given in one single declaration [2018-06-22 10:52:51,361 INFO ]: Found specification of procedure h18 [2018-06-22 10:52:51,361 INFO ]: Found implementation of procedure h18 [2018-06-22 10:52:51,361 INFO ]: Specification and implementation of procedure h17 given in one single declaration [2018-06-22 10:52:51,361 INFO ]: Found specification of procedure h17 [2018-06-22 10:52:51,361 INFO ]: Found implementation of procedure h17 [2018-06-22 10:52:51,361 INFO ]: Specification and implementation of procedure h16 given in one single declaration [2018-06-22 10:52:51,361 INFO ]: Found specification of procedure h16 [2018-06-22 10:52:51,361 INFO ]: Found implementation of procedure h16 [2018-06-22 10:52:51,361 INFO ]: Specification and implementation of procedure h15 given in one single declaration [2018-06-22 10:52:51,361 INFO ]: Found specification of procedure h15 [2018-06-22 10:52:51,361 INFO ]: Found implementation of procedure h15 [2018-06-22 10:52:51,362 INFO ]: Specification and implementation of procedure h14 given in one single declaration [2018-06-22 10:52:51,362 INFO ]: Found specification of procedure h14 [2018-06-22 10:52:51,362 INFO ]: Found implementation of procedure h14 [2018-06-22 10:52:51,362 INFO ]: Specification and implementation of procedure h13 given in one single declaration [2018-06-22 10:52:51,362 INFO ]: Found specification of procedure h13 [2018-06-22 10:52:51,362 INFO ]: Found implementation of procedure h13 [2018-06-22 10:52:51,362 INFO ]: Specification and implementation of procedure h12 given in one single declaration [2018-06-22 10:52:51,362 INFO ]: Found specification of procedure h12 [2018-06-22 10:52:51,362 INFO ]: Found implementation of procedure h12 [2018-06-22 10:52:51,362 INFO ]: Specification and implementation of procedure h8 given in one single declaration [2018-06-22 10:52:51,362 INFO ]: Found specification of procedure h8 [2018-06-22 10:52:51,362 INFO ]: Found implementation of procedure h8 [2018-06-22 10:52:51,362 INFO ]: Specification and implementation of procedure h7 given in one single declaration [2018-06-22 10:52:51,362 INFO ]: Found specification of procedure h7 [2018-06-22 10:52:51,362 INFO ]: Found implementation of procedure h7 [2018-06-22 10:52:51,362 INFO ]: Specification and implementation of procedure h6 given in one single declaration [2018-06-22 10:52:51,362 INFO ]: Found specification of procedure h6 [2018-06-22 10:52:51,362 INFO ]: Found implementation of procedure h6 [2018-06-22 10:52:51,362 INFO ]: Specification and implementation of procedure h5 given in one single declaration [2018-06-22 10:52:51,362 INFO ]: Found specification of procedure h5 [2018-06-22 10:52:51,362 INFO ]: Found implementation of procedure h5 [2018-06-22 10:52:51,362 INFO ]: Specification and implementation of procedure h10 given in one single declaration [2018-06-22 10:52:51,362 INFO ]: Found specification of procedure h10 [2018-06-22 10:52:51,362 INFO ]: Found implementation of procedure h10 [2018-06-22 10:52:51,362 INFO ]: Specification and implementation of procedure h9 given in one single declaration [2018-06-22 10:52:51,362 INFO ]: Found specification of procedure h9 [2018-06-22 10:52:51,362 INFO ]: Found implementation of procedure h9 [2018-06-22 10:52:51,362 INFO ]: Specification and implementation of procedure h11 given in one single declaration [2018-06-22 10:52:51,363 INFO ]: Found specification of procedure h11 [2018-06-22 10:52:51,363 INFO ]: Found implementation of procedure h11 [2018-06-22 10:52:51,363 INFO ]: Specification and implementation of procedure h4 given in one single declaration [2018-06-22 10:52:51,363 INFO ]: Found specification of procedure h4 [2018-06-22 10:52:51,363 INFO ]: Found implementation of procedure h4 [2018-06-22 10:52:51,363 INFO ]: Specification and implementation of procedure h3 given in one single declaration [2018-06-22 10:52:51,363 INFO ]: Found specification of procedure h3 [2018-06-22 10:52:51,363 INFO ]: Found implementation of procedure h3 [2018-06-22 10:52:51,363 INFO ]: Specification and implementation of procedure h2 given in one single declaration [2018-06-22 10:52:51,363 INFO ]: Found specification of procedure h2 [2018-06-22 10:52:51,363 INFO ]: Found implementation of procedure h2 [2018-06-22 10:52:51,363 INFO ]: Specification and implementation of procedure h1 given in one single declaration [2018-06-22 10:52:51,363 INFO ]: Found specification of procedure h1 [2018-06-22 10:52:51,363 INFO ]: Found implementation of procedure h1 [2018-06-22 10:52:51,363 INFO ]: Specification and implementation of procedure h20 given in one single declaration [2018-06-22 10:52:51,363 INFO ]: Found specification of procedure h20 [2018-06-22 10:52:51,363 INFO ]: Found implementation of procedure h20 [2018-06-22 10:52:51,363 INFO ]: Specification and implementation of procedure h19 given in one single declaration [2018-06-22 10:52:51,363 INFO ]: Found specification of procedure h19 [2018-06-22 10:52:51,363 INFO ]: Found implementation of procedure h19 [2018-06-22 10:52:51,363 INFO ]: Specification and implementation of procedure h21 given in one single declaration [2018-06-22 10:52:51,363 INFO ]: Found specification of procedure h21 [2018-06-22 10:52:51,363 INFO ]: Found implementation of procedure h21 [2018-06-22 10:52:51,363 INFO ]: Specification and implementation of procedure h27 given in one single declaration [2018-06-22 10:52:51,363 INFO ]: Found specification of procedure h27 [2018-06-22 10:52:51,363 INFO ]: Found implementation of procedure h27 [2018-06-22 10:52:51,363 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:52:51,363 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:52:51,364 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 10:52:51,933 INFO ]: Using library mode [2018-06-22 10:52:51,933 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:52:51 BoogieIcfgContainer [2018-06-22 10:52:51,933 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:52:51,935 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:52:51,935 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:52:51,938 INFO ]: TraceAbstraction initialized [2018-06-22 10:52:51,938 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:52:51" (1/3) ... [2018-06-22 10:52:51,939 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f76fca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:52:51, skipping insertion in model container [2018-06-22 10:52:51,939 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:51" (2/3) ... [2018-06-22 10:52:51,939 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f76fca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:52:51, skipping insertion in model container [2018-06-22 10:52:51,939 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:52:51" (3/3) ... [2018-06-22 10:52:51,941 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:52:51,952 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:52:51,965 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:52:52,017 INFO ]: Using default assertion order modulation [2018-06-22 10:52:52,018 INFO ]: Interprodecural is true [2018-06-22 10:52:52,018 INFO ]: Hoare is false [2018-06-22 10:52:52,018 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:52:52,018 INFO ]: Backedges is TWOTRACK [2018-06-22 10:52:52,018 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:52:52,018 INFO ]: Difference is false [2018-06-22 10:52:52,018 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:52:52,018 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:52:52,047 INFO ]: Start isEmpty. Operand 121 states. [2018-06-22 10:52:52,075 INFO ]: Finished isEmpty. Found accepting run of length 86 [2018-06-22 10:52:52,075 INFO ]: Found error trace [2018-06-22 10:52:52,078 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] [2018-06-22 10:52:52,078 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:52:52,083 INFO ]: Analyzing trace with hash 376986286, now seen corresponding path program 1 times [2018-06-22 10:52:52,085 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:52:52,086 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:52:52,119 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:52,119 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:52:52,119 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:52,209 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:52:53,280 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:52:53,283 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:52:53,283 INFO ]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2018-06-22 10:52:53,285 INFO ]: Interpolant automaton has 22 states [2018-06-22 10:52:53,300 INFO ]: Constructing interpolant automaton starting with 22 interpolants. [2018-06-22 10:52:53,302 INFO ]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2018-06-22 10:52:53,304 INFO ]: Start difference. First operand 121 states. Second operand 22 states. [2018-06-22 10:52:54,546 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:52:54,547 INFO ]: Finished difference Result 149 states and 162 transitions. [2018-06-22 10:52:54,547 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-06-22 10:52:54,548 INFO ]: Start accepts. Automaton has 22 states. Word has length 85 [2018-06-22 10:52:54,550 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:52:54,563 INFO ]: With dead ends: 149 [2018-06-22 10:52:54,563 INFO ]: Without dead ends: 149 [2018-06-22 10:52:54,565 INFO ]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=461, Unknown=0, NotChecked=0, Total=506 [2018-06-22 10:52:54,583 INFO ]: Start minimizeSevpa. Operand 149 states. [2018-06-22 10:52:54,624 INFO ]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-06-22 10:52:54,625 INFO ]: Start removeUnreachable. Operand 149 states. [2018-06-22 10:52:54,628 INFO ]: Finished removeUnreachable. Reduced from 149 states to 149 states and 162 transitions. [2018-06-22 10:52:54,629 INFO ]: Start accepts. Automaton has 149 states and 162 transitions. Word has length 85 [2018-06-22 10:52:54,630 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:52:54,630 INFO ]: Abstraction has 149 states and 162 transitions. [2018-06-22 10:52:54,630 INFO ]: Interpolant automaton has 22 states. [2018-06-22 10:52:54,630 INFO ]: Start isEmpty. Operand 149 states and 162 transitions. [2018-06-22 10:52:54,634 INFO ]: Finished isEmpty. Found accepting run of length 86 [2018-06-22 10:52:54,634 INFO ]: Found error trace [2018-06-22 10:52:54,634 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] [2018-06-22 10:52:54,635 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:52:54,635 INFO ]: Analyzing trace with hash -321638421, now seen corresponding path program 1 times [2018-06-22 10:52:54,635 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:52:54,635 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:52:54,636 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:54,636 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:52:54,636 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:54,662 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:52:55,096 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:52:55,096 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:52:55,096 INFO ]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2018-06-22 10:52:55,100 INFO ]: Interpolant automaton has 22 states [2018-06-22 10:52:55,100 INFO ]: Constructing interpolant automaton starting with 22 interpolants. [2018-06-22 10:52:55,100 INFO ]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2018-06-22 10:52:55,101 INFO ]: Start difference. First operand 149 states and 162 transitions. Second operand 22 states. [2018-06-22 10:52:55,690 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:52:55,690 INFO ]: Finished difference Result 149 states and 161 transitions. [2018-06-22 10:52:55,692 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-06-22 10:52:55,692 INFO ]: Start accepts. Automaton has 22 states. Word has length 85 [2018-06-22 10:52:55,693 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:52:55,697 INFO ]: With dead ends: 149 [2018-06-22 10:52:55,697 INFO ]: Without dead ends: 141 [2018-06-22 10:52:55,698 INFO ]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=461, Unknown=0, NotChecked=0, Total=506 [2018-06-22 10:52:55,698 INFO ]: Start minimizeSevpa. Operand 141 states. [2018-06-22 10:52:55,724 INFO ]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-06-22 10:52:55,724 INFO ]: Start removeUnreachable. Operand 141 states. [2018-06-22 10:52:55,729 INFO ]: Finished removeUnreachable. Reduced from 141 states to 141 states and 153 transitions. [2018-06-22 10:52:55,729 INFO ]: Start accepts. Automaton has 141 states and 153 transitions. Word has length 85 [2018-06-22 10:52:55,729 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:52:55,729 INFO ]: Abstraction has 141 states and 153 transitions. [2018-06-22 10:52:55,729 INFO ]: Interpolant automaton has 22 states. [2018-06-22 10:52:55,729 INFO ]: Start isEmpty. Operand 141 states and 153 transitions. [2018-06-22 10:52:55,732 INFO ]: Finished isEmpty. Found accepting run of length 102 [2018-06-22 10:52:55,732 INFO ]: Found error trace [2018-06-22 10:52:55,732 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 10:52:55,733 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:52:55,733 INFO ]: Analyzing trace with hash -1597513708, now seen corresponding path program 1 times [2018-06-22 10:52:55,733 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:52:55,733 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:52:55,734 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:55,734 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:52:55,734 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:55,762 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:52:55,887 INFO ]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:52:55,887 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:52:55,887 INFO ]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-06-22 10:52:55,887 INFO ]: Interpolant automaton has 8 states [2018-06-22 10:52:55,887 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-22 10:52:55,887 INFO ]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-06-22 10:52:55,888 INFO ]: Start difference. First operand 141 states and 153 transitions. Second operand 8 states. [2018-06-22 10:52:56,042 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:52:56,042 INFO ]: Finished difference Result 147 states and 160 transitions. [2018-06-22 10:52:56,043 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-22 10:52:56,043 INFO ]: Start accepts. Automaton has 8 states. Word has length 101 [2018-06-22 10:52:56,044 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:52:56,046 INFO ]: With dead ends: 147 [2018-06-22 10:52:56,046 INFO ]: Without dead ends: 147 [2018-06-22 10:52:56,046 INFO ]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:52:56,046 INFO ]: Start minimizeSevpa. Operand 147 states. [2018-06-22 10:52:56,070 INFO ]: Finished minimizeSevpa. Reduced states from 147 to 143. [2018-06-22 10:52:56,071 INFO ]: Start removeUnreachable. Operand 143 states. [2018-06-22 10:52:56,074 INFO ]: Finished removeUnreachable. Reduced from 143 states to 143 states and 155 transitions. [2018-06-22 10:52:56,074 INFO ]: Start accepts. Automaton has 143 states and 155 transitions. Word has length 101 [2018-06-22 10:52:56,075 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:52:56,075 INFO ]: Abstraction has 143 states and 155 transitions. [2018-06-22 10:52:56,075 INFO ]: Interpolant automaton has 8 states. [2018-06-22 10:52:56,075 INFO ]: Start isEmpty. Operand 143 states and 155 transitions. [2018-06-22 10:52:56,077 INFO ]: Finished isEmpty. Found accepting run of length 102 [2018-06-22 10:52:56,077 INFO ]: Found error trace [2018-06-22 10:52:56,077 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 10:52:56,077 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:52:56,078 INFO ]: Analyzing trace with hash 383687569, now seen corresponding path program 1 times [2018-06-22 10:52:56,078 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:52:56,078 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:52:56,078 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:56,078 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:52:56,078 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:56,141 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:52:56,608 INFO ]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:52:56,608 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:52:56,608 INFO ]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2018-06-22 10:52:56,609 INFO ]: Interpolant automaton has 22 states [2018-06-22 10:52:56,609 INFO ]: Constructing interpolant automaton starting with 22 interpolants. [2018-06-22 10:52:56,609 INFO ]: CoverageRelationStatistics Valid=43, Invalid=419, Unknown=0, NotChecked=0, Total=462 [2018-06-22 10:52:56,610 INFO ]: Start difference. First operand 143 states and 155 transitions. Second operand 22 states. [2018-06-22 10:52:57,078 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:52:57,078 INFO ]: Finished difference Result 155 states and 169 transitions. [2018-06-22 10:52:57,079 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-06-22 10:52:57,079 INFO ]: Start accepts. Automaton has 22 states. Word has length 101 [2018-06-22 10:52:57,079 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:52:57,081 INFO ]: With dead ends: 155 [2018-06-22 10:52:57,081 INFO ]: Without dead ends: 155 [2018-06-22 10:52:57,081 INFO ]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=459, Unknown=0, NotChecked=0, Total=506 [2018-06-22 10:52:57,081 INFO ]: Start minimizeSevpa. Operand 155 states. [2018-06-22 10:52:57,093 INFO ]: Finished minimizeSevpa. Reduced states from 155 to 151. [2018-06-22 10:52:57,093 INFO ]: Start removeUnreachable. Operand 151 states. [2018-06-22 10:52:57,094 INFO ]: Finished removeUnreachable. Reduced from 151 states to 151 states and 164 transitions. [2018-06-22 10:52:57,095 INFO ]: Start accepts. Automaton has 151 states and 164 transitions. Word has length 101 [2018-06-22 10:52:57,095 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:52:57,095 INFO ]: Abstraction has 151 states and 164 transitions. [2018-06-22 10:52:57,095 INFO ]: Interpolant automaton has 22 states. [2018-06-22 10:52:57,095 INFO ]: Start isEmpty. Operand 151 states and 164 transitions. [2018-06-22 10:52:57,097 INFO ]: Finished isEmpty. Found accepting run of length 110 [2018-06-22 10:52:57,097 INFO ]: Found error trace [2018-06-22 10:52:57,097 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] [2018-06-22 10:52:57,097 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:52:57,098 INFO ]: Analyzing trace with hash 1855866617, now seen corresponding path program 1 times [2018-06-22 10:52:57,098 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:52:57,098 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:52:57,098 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:57,098 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:52:57,098 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:57,116 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:52:57,298 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:52:57,298 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:52:57,298 INFO ]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-06-22 10:52:57,299 INFO ]: Interpolant automaton has 9 states [2018-06-22 10:52:57,299 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 10:52:57,299 INFO ]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:52:57,299 INFO ]: Start difference. First operand 151 states and 164 transitions. Second operand 9 states. [2018-06-22 10:52:57,583 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:52:57,583 INFO ]: Finished difference Result 182 states and 203 transitions. [2018-06-22 10:52:57,584 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 10:52:57,584 INFO ]: Start accepts. Automaton has 9 states. Word has length 109 [2018-06-22 10:52:57,584 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:52:57,586 INFO ]: With dead ends: 182 [2018-06-22 10:52:57,586 INFO ]: Without dead ends: 182 [2018-06-22 10:52:57,586 INFO ]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:52:57,586 INFO ]: Start minimizeSevpa. Operand 182 states. [2018-06-22 10:52:57,605 INFO ]: Finished minimizeSevpa. Reduced states from 182 to 180. [2018-06-22 10:52:57,605 INFO ]: Start removeUnreachable. Operand 180 states. [2018-06-22 10:52:57,607 INFO ]: Finished removeUnreachable. Reduced from 180 states to 180 states and 200 transitions. [2018-06-22 10:52:57,607 INFO ]: Start accepts. Automaton has 180 states and 200 transitions. Word has length 109 [2018-06-22 10:52:57,607 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:52:57,607 INFO ]: Abstraction has 180 states and 200 transitions. [2018-06-22 10:52:57,607 INFO ]: Interpolant automaton has 9 states. [2018-06-22 10:52:57,607 INFO ]: Start isEmpty. Operand 180 states and 200 transitions. [2018-06-22 10:52:57,613 INFO ]: Finished isEmpty. Found accepting run of length 110 [2018-06-22 10:52:57,613 INFO ]: Found error trace [2018-06-22 10:52:57,613 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] [2018-06-22 10:52:57,613 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:52:57,613 INFO ]: Analyzing trace with hash 1092180921, now seen corresponding path program 1 times [2018-06-22 10:52:57,613 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:52:57,613 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:52:57,614 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:57,614 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:52:57,614 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:57,636 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:52:58,520 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:52:58,520 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:52:58,520 INFO ]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-06-22 10:52:58,520 INFO ]: Interpolant automaton has 9 states [2018-06-22 10:52:58,520 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 10:52:58,520 INFO ]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:52:58,521 INFO ]: Start difference. First operand 180 states and 200 transitions. Second operand 9 states. [2018-06-22 10:52:58,613 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:52:58,613 INFO ]: Finished difference Result 201 states and 232 transitions. [2018-06-22 10:52:58,613 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 10:52:58,613 INFO ]: Start accepts. Automaton has 9 states. Word has length 109 [2018-06-22 10:52:58,614 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:52:58,614 INFO ]: With dead ends: 201 [2018-06-22 10:52:58,614 INFO ]: Without dead ends: 119 [2018-06-22 10:52:58,615 INFO ]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:52:58,615 INFO ]: Start minimizeSevpa. Operand 119 states. [2018-06-22 10:52:58,623 INFO ]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-06-22 10:52:58,623 INFO ]: Start removeUnreachable. Operand 119 states. [2018-06-22 10:52:58,624 INFO ]: Finished removeUnreachable. Reduced from 119 states to 119 states and 126 transitions. [2018-06-22 10:52:58,624 INFO ]: Start accepts. Automaton has 119 states and 126 transitions. Word has length 109 [2018-06-22 10:52:58,624 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:52:58,624 INFO ]: Abstraction has 119 states and 126 transitions. [2018-06-22 10:52:58,624 INFO ]: Interpolant automaton has 9 states. [2018-06-22 10:52:58,624 INFO ]: Start isEmpty. Operand 119 states and 126 transitions. [2018-06-22 10:52:58,626 INFO ]: Finished isEmpty. Found accepting run of length 118 [2018-06-22 10:52:58,626 INFO ]: Found error trace [2018-06-22 10:52:58,626 INFO ]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1] [2018-06-22 10:52:58,626 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:52:58,626 INFO ]: Analyzing trace with hash -253880134, now seen corresponding path program 1 times [2018-06-22 10:52:58,626 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:52:58,626 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:52:58,627 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:58,627 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:52:58,627 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:58,646 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:52:58,888 INFO ]: Checked inductivity of 25 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-06-22 10:52:58,889 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:52:58,889 INFO ]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-06-22 10:52:58,889 INFO ]: Interpolant automaton has 12 states [2018-06-22 10:52:58,889 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 10:52:58,889 INFO ]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:52:58,889 INFO ]: Start difference. First operand 119 states and 126 transitions. Second operand 12 states. [2018-06-22 10:52:58,989 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:52:58,989 INFO ]: Finished difference Result 103 states and 109 transitions. [2018-06-22 10:52:58,990 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-22 10:52:58,990 INFO ]: Start accepts. Automaton has 12 states. Word has length 117 [2018-06-22 10:52:58,990 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:52:58,990 INFO ]: With dead ends: 103 [2018-06-22 10:52:58,990 INFO ]: Without dead ends: 0 [2018-06-22 10:52:58,990 INFO ]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:52:58,990 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 10:52:58,990 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 10:52:58,990 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 10:52:58,990 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 10:52:58,991 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2018-06-22 10:52:58,991 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:52:58,991 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 10:52:58,991 INFO ]: Interpolant automaton has 12 states. [2018-06-22 10:52:58,991 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 10:52:58,991 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 10:52:58,995 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:52:58 BoogieIcfgContainer [2018-06-22 10:52:58,995 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:52:58,996 INFO ]: Toolchain (without parser) took 7815.43 ms. Allocated memory was 309.3 MB in the beginning and 386.4 MB in the end (delta: 77.1 MB). Free memory was 253.7 MB in the beginning and 252.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 78.6 MB. Max. memory is 3.6 GB. [2018-06-22 10:52:58,997 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:52:58,998 INFO ]: ChcToBoogie took 86.96 ms. Allocated memory is still 309.3 MB. Free memory was 251.7 MB in the beginning and 249.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:52:58,998 INFO ]: Boogie Preprocessor took 57.36 ms. Allocated memory is still 309.3 MB. Free memory was 249.7 MB in the beginning and 247.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:52:58,998 INFO ]: RCFGBuilder took 589.77 ms. Allocated memory is still 309.3 MB. Free memory was 247.7 MB in the beginning and 225.6 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 3.6 GB. [2018-06-22 10:52:58,999 INFO ]: TraceAbstraction took 7060.31 ms. Allocated memory was 309.3 MB in the beginning and 386.4 MB in the end (delta: 77.1 MB). Free memory was 225.6 MB in the beginning and 252.2 MB in the end (delta: -26.6 MB). Peak memory consumption was 50.5 MB. Max. memory is 3.6 GB. [2018-06-22 10:52:59,002 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 86.96 ms. Allocated memory is still 309.3 MB. Free memory was 251.7 MB in the beginning and 249.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 57.36 ms. Allocated memory is still 309.3 MB. Free memory was 249.7 MB in the beginning and 247.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 589.77 ms. Allocated memory is still 309.3 MB. Free memory was 247.7 MB in the beginning and 225.6 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 7060.31 ms. Allocated memory was 309.3 MB in the beginning and 386.4 MB in the end (delta: 77.1 MB). Free memory was 225.6 MB in the beginning and 252.2 MB in the end (delta: -26.6 MB). Peak memory consumption was 50.5 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 121 locations, 1 error locations. SAFE Result, 6.9s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 2.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 836 SDtfs, 29 SDslu, 9591 SDs, 0 SdLazy, 1793 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 23 SyntacticMatches, 8 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred in iteration=5, 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, 7 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 707 NumberOfCodeBlocks, 707 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 700 ConstructedInterpolants, 0 QuantifiedInterpolants, 130272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 69/69 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/28.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-52-59-011.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/28.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-52-59-011.csv Received shutdown request...