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/13.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:49:45,710 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:49:45,712 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:49:45,728 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:49:45,728 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:49:45,729 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:49:45,731 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:49:45,733 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:49:45,735 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:49:45,737 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:49:45,737 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:49:45,738 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:49:45,738 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:49:45,740 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:49:45,740 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:49:45,742 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:49:45,744 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:49:45,746 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:49:45,757 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:49:45,758 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:49:45,759 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:49:45,761 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:49:45,762 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:49:45,762 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:49:45,762 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:49:45,763 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:49:45,764 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:49:45,770 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:49:45,771 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:49:45,771 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:49:45,772 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:49:45,772 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:49:45,772 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:49:45,773 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:49:45,780 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:49:45,781 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 10:49:45,800 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:49:45,801 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:49:45,801 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:49:45,802 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:49:45,802 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:49:45,803 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:49:45,803 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:49:45,803 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:49:45,803 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:49:45,803 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:49:45,804 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:49:45,804 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:49:45,804 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:49:45,804 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:49:45,804 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:49:45,805 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:49:45,807 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:49:45,807 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:49:45,808 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:49:45,809 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:49:45,809 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:49:45,857 INFO ]: Repository-Root is: /tmp [2018-06-22 10:49:45,872 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:49:45,875 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:49:45,877 INFO ]: Initializing SmtParser... [2018-06-22 10:49:45,877 INFO ]: SmtParser initialized [2018-06-22 10:49:45,878 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/HOLA/13.c.smt2 [2018-06-22 10:49:45,879 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 10:49:45,964 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/13.c.smt2 unknown [2018-06-22 10:49:46,383 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/13.c.smt2 [2018-06-22 10:49:46,387 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:49:46,403 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:49:46,404 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:49:46,404 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:49:46,404 INFO ]: ChcToBoogie initialized [2018-06-22 10:49:46,407 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:49:46" (1/1) ... [2018-06-22 10:49:46,464 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:49:46 Unit [2018-06-22 10:49:46,464 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:49:46,464 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:49:46,464 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:49:46,465 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:49:46,487 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:49:46" (1/1) ... [2018-06-22 10:49:46,487 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:49:46" (1/1) ... [2018-06-22 10:49:46,496 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:49:46" (1/1) ... [2018-06-22 10:49:46,496 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:49:46" (1/1) ... [2018-06-22 10:49:46,509 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:49:46" (1/1) ... [2018-06-22 10:49:46,511 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:49:46" (1/1) ... [2018-06-22 10:49:46,520 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:49:46" (1/1) ... [2018-06-22 10:49:46,523 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:49:46,523 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:49:46,523 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:49:46,523 INFO ]: RCFGBuilder initialized [2018-06-22 10:49:46,524 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:49:46" (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 10:49:46,542 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:49:46,542 INFO ]: Found specification of procedure False [2018-06-22 10:49:46,542 INFO ]: Found implementation of procedure False [2018-06-22 10:49:46,542 INFO ]: Specification and implementation of procedure h27 given in one single declaration [2018-06-22 10:49:46,542 INFO ]: Found specification of procedure h27 [2018-06-22 10:49:46,542 INFO ]: Found implementation of procedure h27 [2018-06-22 10:49:46,543 INFO ]: Specification and implementation of procedure h22 given in one single declaration [2018-06-22 10:49:46,543 INFO ]: Found specification of procedure h22 [2018-06-22 10:49:46,543 INFO ]: Found implementation of procedure h22 [2018-06-22 10:49:46,543 INFO ]: Specification and implementation of procedure h21 given in one single declaration [2018-06-22 10:49:46,543 INFO ]: Found specification of procedure h21 [2018-06-22 10:49:46,543 INFO ]: Found implementation of procedure h21 [2018-06-22 10:49:46,543 INFO ]: Specification and implementation of procedure h20 given in one single declaration [2018-06-22 10:49:46,543 INFO ]: Found specification of procedure h20 [2018-06-22 10:49:46,543 INFO ]: Found implementation of procedure h20 [2018-06-22 10:49:46,543 INFO ]: Specification and implementation of procedure h14 given in one single declaration [2018-06-22 10:49:46,543 INFO ]: Found specification of procedure h14 [2018-06-22 10:49:46,543 INFO ]: Found implementation of procedure h14 [2018-06-22 10:49:46,543 INFO ]: Specification and implementation of procedure h13 given in one single declaration [2018-06-22 10:49:46,543 INFO ]: Found specification of procedure h13 [2018-06-22 10:49:46,543 INFO ]: Found implementation of procedure h13 [2018-06-22 10:49:46,543 INFO ]: Specification and implementation of procedure h12 given in one single declaration [2018-06-22 10:49:46,543 INFO ]: Found specification of procedure h12 [2018-06-22 10:49:46,543 INFO ]: Found implementation of procedure h12 [2018-06-22 10:49:46,543 INFO ]: Specification and implementation of procedure h8 given in one single declaration [2018-06-22 10:49:46,543 INFO ]: Found specification of procedure h8 [2018-06-22 10:49:46,543 INFO ]: Found implementation of procedure h8 [2018-06-22 10:49:46,543 INFO ]: Specification and implementation of procedure h7 given in one single declaration [2018-06-22 10:49:46,543 INFO ]: Found specification of procedure h7 [2018-06-22 10:49:46,543 INFO ]: Found implementation of procedure h7 [2018-06-22 10:49:46,543 INFO ]: Specification and implementation of procedure h6 given in one single declaration [2018-06-22 10:49:46,543 INFO ]: Found specification of procedure h6 [2018-06-22 10:49:46,543 INFO ]: Found implementation of procedure h6 [2018-06-22 10:49:46,543 INFO ]: Specification and implementation of procedure h5 given in one single declaration [2018-06-22 10:49:46,543 INFO ]: Found specification of procedure h5 [2018-06-22 10:49:46,543 INFO ]: Found implementation of procedure h5 [2018-06-22 10:49:46,543 INFO ]: Specification and implementation of procedure h4 given in one single declaration [2018-06-22 10:49:46,543 INFO ]: Found specification of procedure h4 [2018-06-22 10:49:46,544 INFO ]: Found implementation of procedure h4 [2018-06-22 10:49:46,544 INFO ]: Specification and implementation of procedure h3 given in one single declaration [2018-06-22 10:49:46,544 INFO ]: Found specification of procedure h3 [2018-06-22 10:49:46,544 INFO ]: Found implementation of procedure h3 [2018-06-22 10:49:46,544 INFO ]: Specification and implementation of procedure h2 given in one single declaration [2018-06-22 10:49:46,544 INFO ]: Found specification of procedure h2 [2018-06-22 10:49:46,544 INFO ]: Found implementation of procedure h2 [2018-06-22 10:49:46,544 INFO ]: Specification and implementation of procedure h1 given in one single declaration [2018-06-22 10:49:46,544 INFO ]: Found specification of procedure h1 [2018-06-22 10:49:46,544 INFO ]: Found implementation of procedure h1 [2018-06-22 10:49:46,544 INFO ]: Specification and implementation of procedure h16 given in one single declaration [2018-06-22 10:49:46,544 INFO ]: Found specification of procedure h16 [2018-06-22 10:49:46,544 INFO ]: Found implementation of procedure h16 [2018-06-22 10:49:46,544 INFO ]: Specification and implementation of procedure h17 given in one single declaration [2018-06-22 10:49:46,544 INFO ]: Found specification of procedure h17 [2018-06-22 10:49:46,544 INFO ]: Found implementation of procedure h17 [2018-06-22 10:49:46,544 INFO ]: Specification and implementation of procedure h10 given in one single declaration [2018-06-22 10:49:46,544 INFO ]: Found specification of procedure h10 [2018-06-22 10:49:46,544 INFO ]: Found implementation of procedure h10 [2018-06-22 10:49:46,544 INFO ]: Specification and implementation of procedure h11 given in one single declaration [2018-06-22 10:49:46,544 INFO ]: Found specification of procedure h11 [2018-06-22 10:49:46,544 INFO ]: Found implementation of procedure h11 [2018-06-22 10:49:46,544 INFO ]: Specification and implementation of procedure h9 given in one single declaration [2018-06-22 10:49:46,544 INFO ]: Found specification of procedure h9 [2018-06-22 10:49:46,544 INFO ]: Found implementation of procedure h9 [2018-06-22 10:49:46,544 INFO ]: Specification and implementation of procedure h15 given in one single declaration [2018-06-22 10:49:46,544 INFO ]: Found specification of procedure h15 [2018-06-22 10:49:46,544 INFO ]: Found implementation of procedure h15 [2018-06-22 10:49:46,544 INFO ]: Specification and implementation of procedure h19 given in one single declaration [2018-06-22 10:49:46,544 INFO ]: Found specification of procedure h19 [2018-06-22 10:49:46,544 INFO ]: Found implementation of procedure h19 [2018-06-22 10:49:46,544 INFO ]: Specification and implementation of procedure h18 given in one single declaration [2018-06-22 10:49:46,544 INFO ]: Found specification of procedure h18 [2018-06-22 10:49:46,544 INFO ]: Found implementation of procedure h18 [2018-06-22 10:49:46,545 INFO ]: Specification and implementation of procedure h23 given in one single declaration [2018-06-22 10:49:46,545 INFO ]: Found specification of procedure h23 [2018-06-22 10:49:46,545 INFO ]: Found implementation of procedure h23 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:49:46,545 INFO ]: Specification and implementation of procedure h26 given in one single declaration [2018-06-22 10:49:46,551 INFO ]: Found specification of procedure h26 [2018-06-22 10:49:46,551 INFO ]: Found implementation of procedure h26 [2018-06-22 10:49:46,551 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:49:46,551 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:49:46,551 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 10:49:47,108 INFO ]: Using library mode [2018-06-22 10:49:47,109 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:49:47 BoogieIcfgContainer [2018-06-22 10:49:47,109 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:49:47,111 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:49:47,111 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:49:47,116 INFO ]: TraceAbstraction initialized [2018-06-22 10:49:47,117 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:49:46" (1/3) ... [2018-06-22 10:49:47,117 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1857f92b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:49:47, skipping insertion in model container [2018-06-22 10:49:47,118 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:49:46" (2/3) ... [2018-06-22 10:49:47,118 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1857f92b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:49:47, skipping insertion in model container [2018-06-22 10:49:47,118 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:49:47" (3/3) ... [2018-06-22 10:49:47,120 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:49:47,130 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:49:47,142 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:49:47,192 INFO ]: Using default assertion order modulation [2018-06-22 10:49:47,192 INFO ]: Interprodecural is true [2018-06-22 10:49:47,192 INFO ]: Hoare is false [2018-06-22 10:49:47,192 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:49:47,192 INFO ]: Backedges is TWOTRACK [2018-06-22 10:49:47,192 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:49:47,192 INFO ]: Difference is false [2018-06-22 10:49:47,192 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:49:47,192 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:49:47,220 INFO ]: Start isEmpty. Operand 114 states. [2018-06-22 10:49:47,245 INFO ]: Finished isEmpty. Found accepting run of length 66 [2018-06-22 10:49:47,245 INFO ]: Found error trace [2018-06-22 10:49:47,246 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:49:47,246 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:49:47,252 INFO ]: Analyzing trace with hash -1429537107, now seen corresponding path program 1 times [2018-06-22 10:49:47,254 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:49:47,254 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:49:47,289 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:49:47,289 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:49:47,289 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:49:47,370 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:49:47,942 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:49:47,944 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:49:47,944 INFO ]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-06-22 10:49:47,946 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:49:47,957 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:49:47,958 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:49:47,960 INFO ]: Start difference. First operand 114 states. Second operand 14 states. [2018-06-22 10:49:48,530 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:49:48,530 INFO ]: Finished difference Result 128 states and 141 transitions. [2018-06-22 10:49:48,530 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-06-22 10:49:48,531 INFO ]: Start accepts. Automaton has 14 states. Word has length 65 [2018-06-22 10:49:48,531 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:49:48,542 INFO ]: With dead ends: 128 [2018-06-22 10:49:48,542 INFO ]: Without dead ends: 128 [2018-06-22 10:49:48,543 INFO ]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:49:48,555 INFO ]: Start minimizeSevpa. Operand 128 states. [2018-06-22 10:49:48,587 INFO ]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-06-22 10:49:48,589 INFO ]: Start removeUnreachable. Operand 128 states. [2018-06-22 10:49:48,591 INFO ]: Finished removeUnreachable. Reduced from 128 states to 128 states and 141 transitions. [2018-06-22 10:49:48,592 INFO ]: Start accepts. Automaton has 128 states and 141 transitions. Word has length 65 [2018-06-22 10:49:48,593 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:49:48,593 INFO ]: Abstraction has 128 states and 141 transitions. [2018-06-22 10:49:48,593 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:49:48,593 INFO ]: Start isEmpty. Operand 128 states and 141 transitions. [2018-06-22 10:49:48,596 INFO ]: Finished isEmpty. Found accepting run of length 66 [2018-06-22 10:49:48,596 INFO ]: Found error trace [2018-06-22 10:49:48,596 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:49:48,596 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:49:48,602 INFO ]: Analyzing trace with hash 2029165584, now seen corresponding path program 1 times [2018-06-22 10:49:48,602 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:49:48,602 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:49:48,603 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:49:48,603 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:49:48,603 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:49:48,640 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:49:49,077 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:49:49,077 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:49:49,077 INFO ]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-06-22 10:49:49,080 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:49:49,080 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:49:49,081 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:49:49,081 INFO ]: Start difference. First operand 128 states and 141 transitions. Second operand 14 states. [2018-06-22 10:49:49,514 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:49:49,514 INFO ]: Finished difference Result 128 states and 140 transitions. [2018-06-22 10:49:49,515 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-06-22 10:49:49,515 INFO ]: Start accepts. Automaton has 14 states. Word has length 65 [2018-06-22 10:49:49,516 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:49:49,518 INFO ]: With dead ends: 128 [2018-06-22 10:49:49,518 INFO ]: Without dead ends: 120 [2018-06-22 10:49:49,518 INFO ]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:49:49,519 INFO ]: Start minimizeSevpa. Operand 120 states. [2018-06-22 10:49:49,533 INFO ]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-06-22 10:49:49,533 INFO ]: Start removeUnreachable. Operand 120 states. [2018-06-22 10:49:49,536 INFO ]: Finished removeUnreachable. Reduced from 120 states to 120 states and 132 transitions. [2018-06-22 10:49:49,536 INFO ]: Start accepts. Automaton has 120 states and 132 transitions. Word has length 65 [2018-06-22 10:49:49,536 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:49:49,536 INFO ]: Abstraction has 120 states and 132 transitions. [2018-06-22 10:49:49,536 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:49:49,536 INFO ]: Start isEmpty. Operand 120 states and 132 transitions. [2018-06-22 10:49:49,540 INFO ]: Finished isEmpty. Found accepting run of length 98 [2018-06-22 10:49:49,540 INFO ]: Found error trace [2018-06-22 10:49:49,541 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] [2018-06-22 10:49:49,541 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:49:49,541 INFO ]: Analyzing trace with hash -539100070, now seen corresponding path program 1 times [2018-06-22 10:49:49,541 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:49:49,541 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:49:49,542 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:49:49,542 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:49:49,542 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:49:49,572 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:49:49,877 WARN ]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-06-22 10:49:50,183 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:49:50,183 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:49:50,183 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 10:49:50,184 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:49:50,184 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:49:50,184 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:49:50,184 INFO ]: Start difference. First operand 120 states and 132 transitions. Second operand 11 states. [2018-06-22 10:49:50,469 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:49:50,469 INFO ]: Finished difference Result 160 states and 186 transitions. [2018-06-22 10:49:50,470 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:49:50,470 INFO ]: Start accepts. Automaton has 11 states. Word has length 97 [2018-06-22 10:49:50,470 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:49:50,473 INFO ]: With dead ends: 160 [2018-06-22 10:49:50,473 INFO ]: Without dead ends: 160 [2018-06-22 10:49:50,474 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:49:50,474 INFO ]: Start minimizeSevpa. Operand 160 states. [2018-06-22 10:49:50,494 INFO ]: Finished minimizeSevpa. Reduced states from 160 to 158. [2018-06-22 10:49:50,494 INFO ]: Start removeUnreachable. Operand 158 states. [2018-06-22 10:49:50,497 INFO ]: Finished removeUnreachable. Reduced from 158 states to 158 states and 183 transitions. [2018-06-22 10:49:50,497 INFO ]: Start accepts. Automaton has 158 states and 183 transitions. Word has length 97 [2018-06-22 10:49:50,498 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:49:50,498 INFO ]: Abstraction has 158 states and 183 transitions. [2018-06-22 10:49:50,498 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:49:50,498 INFO ]: Start isEmpty. Operand 158 states and 183 transitions. [2018-06-22 10:49:50,500 INFO ]: Finished isEmpty. Found accepting run of length 98 [2018-06-22 10:49:50,500 INFO ]: Found error trace [2018-06-22 10:49:50,500 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] [2018-06-22 10:49:50,501 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:49:50,501 INFO ]: Analyzing trace with hash -35658527, now seen corresponding path program 1 times [2018-06-22 10:49:50,501 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:49:50,501 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:49:50,502 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:49:50,502 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:49:50,502 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:49:50,545 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:49:50,843 WARN ]: Spent 151.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-06-22 10:49:51,296 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:49:51,297 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:49:51,297 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 10:49:51,297 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:49:51,297 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:49:51,297 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:49:51,297 INFO ]: Start difference. First operand 158 states and 183 transitions. Second operand 11 states. [2018-06-22 10:49:51,721 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:49:51,721 INFO ]: Finished difference Result 207 states and 251 transitions. [2018-06-22 10:49:51,723 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:49:51,723 INFO ]: Start accepts. Automaton has 11 states. Word has length 97 [2018-06-22 10:49:51,723 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:49:51,726 INFO ]: With dead ends: 207 [2018-06-22 10:49:51,726 INFO ]: Without dead ends: 198 [2018-06-22 10:49:51,726 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:49:51,726 INFO ]: Start minimizeSevpa. Operand 198 states. [2018-06-22 10:49:51,745 INFO ]: Finished minimizeSevpa. Reduced states from 198 to 180. [2018-06-22 10:49:51,745 INFO ]: Start removeUnreachable. Operand 180 states. [2018-06-22 10:49:51,749 INFO ]: Finished removeUnreachable. Reduced from 180 states to 180 states and 214 transitions. [2018-06-22 10:49:51,749 INFO ]: Start accepts. Automaton has 180 states and 214 transitions. Word has length 97 [2018-06-22 10:49:51,750 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:49:51,750 INFO ]: Abstraction has 180 states and 214 transitions. [2018-06-22 10:49:51,750 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:49:51,750 INFO ]: Start isEmpty. Operand 180 states and 214 transitions. [2018-06-22 10:49:51,756 INFO ]: Finished isEmpty. Found accepting run of length 98 [2018-06-22 10:49:51,756 INFO ]: Found error trace [2018-06-22 10:49:51,757 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] [2018-06-22 10:49:51,757 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:49:51,757 INFO ]: Analyzing trace with hash 1373601729, now seen corresponding path program 1 times [2018-06-22 10:49:51,757 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:49:51,757 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:49:51,758 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:49:51,758 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:49:51,758 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:49:51,779 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:49:51,967 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:49:51,967 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:49:51,967 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 10:49:51,968 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:49:51,968 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:49:51,968 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:49:51,968 INFO ]: Start difference. First operand 180 states and 214 transitions. Second operand 11 states. [2018-06-22 10:49:52,281 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:49:52,281 INFO ]: Finished difference Result 223 states and 259 transitions. [2018-06-22 10:49:52,281 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:49:52,281 INFO ]: Start accepts. Automaton has 11 states. Word has length 97 [2018-06-22 10:49:52,282 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:49:52,290 INFO ]: With dead ends: 223 [2018-06-22 10:49:52,290 INFO ]: Without dead ends: 212 [2018-06-22 10:49:52,290 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:49:52,290 INFO ]: Start minimizeSevpa. Operand 212 states. [2018-06-22 10:49:52,313 INFO ]: Finished minimizeSevpa. Reduced states from 212 to 186. [2018-06-22 10:49:52,313 INFO ]: Start removeUnreachable. Operand 186 states. [2018-06-22 10:49:52,315 INFO ]: Finished removeUnreachable. Reduced from 186 states to 186 states and 216 transitions. [2018-06-22 10:49:52,315 INFO ]: Start accepts. Automaton has 186 states and 216 transitions. Word has length 97 [2018-06-22 10:49:52,315 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:49:52,316 INFO ]: Abstraction has 186 states and 216 transitions. [2018-06-22 10:49:52,316 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:49:52,316 INFO ]: Start isEmpty. Operand 186 states and 216 transitions. [2018-06-22 10:49:52,320 INFO ]: Finished isEmpty. Found accepting run of length 98 [2018-06-22 10:49:52,321 INFO ]: Found error trace [2018-06-22 10:49:52,321 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] [2018-06-22 10:49:52,321 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:49:52,321 INFO ]: Analyzing trace with hash -1101684930, now seen corresponding path program 1 times [2018-06-22 10:49:52,321 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:49:52,321 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:49:52,322 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:49:52,322 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:49:52,322 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:49:52,348 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:49:52,510 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:49:52,511 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:49:52,511 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 10:49:52,511 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:49:52,511 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:49:52,511 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:49:52,511 INFO ]: Start difference. First operand 186 states and 216 transitions. Second operand 11 states. [2018-06-22 10:49:52,667 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:49:52,667 INFO ]: Finished difference Result 218 states and 251 transitions. [2018-06-22 10:49:52,668 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:49:52,668 INFO ]: Start accepts. Automaton has 11 states. Word has length 97 [2018-06-22 10:49:52,668 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:49:52,670 INFO ]: With dead ends: 218 [2018-06-22 10:49:52,670 INFO ]: Without dead ends: 208 [2018-06-22 10:49:52,671 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:49:52,671 INFO ]: Start minimizeSevpa. Operand 208 states. [2018-06-22 10:49:52,687 INFO ]: Finished minimizeSevpa. Reduced states from 208 to 192. [2018-06-22 10:49:52,687 INFO ]: Start removeUnreachable. Operand 192 states. [2018-06-22 10:49:52,689 INFO ]: Finished removeUnreachable. Reduced from 192 states to 192 states and 224 transitions. [2018-06-22 10:49:52,689 INFO ]: Start accepts. Automaton has 192 states and 224 transitions. Word has length 97 [2018-06-22 10:49:52,689 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:49:52,689 INFO ]: Abstraction has 192 states and 224 transitions. [2018-06-22 10:49:52,689 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:49:52,689 INFO ]: Start isEmpty. Operand 192 states and 224 transitions. [2018-06-22 10:49:52,691 INFO ]: Finished isEmpty. Found accepting run of length 98 [2018-06-22 10:49:52,691 INFO ]: Found error trace [2018-06-22 10:49:52,691 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] [2018-06-22 10:49:52,691 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:49:52,692 INFO ]: Analyzing trace with hash 42230334, now seen corresponding path program 1 times [2018-06-22 10:49:52,692 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:49:52,692 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:49:52,692 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:49:52,692 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:49:52,692 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:49:52,705 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:49:52,943 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:49:52,943 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:49:52,944 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 10:49:52,944 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:49:52,944 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:49:52,944 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:49:52,944 INFO ]: Start difference. First operand 192 states and 224 transitions. Second operand 11 states. [2018-06-22 10:49:53,199 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:49:53,199 INFO ]: Finished difference Result 220 states and 255 transitions. [2018-06-22 10:49:53,200 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:49:53,200 INFO ]: Start accepts. Automaton has 11 states. Word has length 97 [2018-06-22 10:49:53,200 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:49:53,203 INFO ]: With dead ends: 220 [2018-06-22 10:49:53,203 INFO ]: Without dead ends: 205 [2018-06-22 10:49:53,203 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:49:53,204 INFO ]: Start minimizeSevpa. Operand 205 states. [2018-06-22 10:49:53,215 INFO ]: Finished minimizeSevpa. Reduced states from 205 to 193. [2018-06-22 10:49:53,215 INFO ]: Start removeUnreachable. Operand 193 states. [2018-06-22 10:49:53,217 INFO ]: Finished removeUnreachable. Reduced from 193 states to 193 states and 224 transitions. [2018-06-22 10:49:53,218 INFO ]: Start accepts. Automaton has 193 states and 224 transitions. Word has length 97 [2018-06-22 10:49:53,218 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:49:53,218 INFO ]: Abstraction has 193 states and 224 transitions. [2018-06-22 10:49:53,218 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:49:53,218 INFO ]: Start isEmpty. Operand 193 states and 224 transitions. [2018-06-22 10:49:53,219 INFO ]: Finished isEmpty. Found accepting run of length 98 [2018-06-22 10:49:53,219 INFO ]: Found error trace [2018-06-22 10:49:53,220 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] [2018-06-22 10:49:53,220 INFO ]: === Iteration 8 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:49:53,220 INFO ]: Analyzing trace with hash -1138987529, now seen corresponding path program 1 times [2018-06-22 10:49:53,220 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:49:53,220 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:49:53,221 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:49:53,221 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:49:53,221 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:49:53,238 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:49:53,431 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:49:53,431 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:49:53,431 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 10:49:53,431 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:49:53,431 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:49:53,432 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:49:53,432 INFO ]: Start difference. First operand 193 states and 224 transitions. Second operand 11 states. [2018-06-22 10:49:53,571 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:49:53,571 INFO ]: Finished difference Result 193 states and 228 transitions. [2018-06-22 10:49:53,571 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:49:53,571 INFO ]: Start accepts. Automaton has 11 states. Word has length 97 [2018-06-22 10:49:53,571 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:49:53,571 INFO ]: With dead ends: 193 [2018-06-22 10:49:53,571 INFO ]: Without dead ends: 0 [2018-06-22 10:49:53,571 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:49:53,572 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 10:49:53,572 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 10:49:53,572 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 10:49:53,572 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 10:49:53,572 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2018-06-22 10:49:53,572 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:49:53,572 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 10:49:53,572 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:49:53,572 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 10:49:53,572 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 10:49:53,576 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:49:53 BoogieIcfgContainer [2018-06-22 10:49:53,576 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:49:53,577 INFO ]: Toolchain (without parser) took 7189.18 ms. Allocated memory was 302.5 MB in the beginning and 372.8 MB in the end (delta: 70.3 MB). Free memory was 240.9 MB in the beginning and 183.9 MB in the end (delta: 57.0 MB). Peak memory consumption was 127.2 MB. Max. memory is 3.6 GB. [2018-06-22 10:49:53,578 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 302.5 MB. Free memory is still 267.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:49:53,578 INFO ]: ChcToBoogie took 60.37 ms. Allocated memory is still 302.5 MB. Free memory was 240.9 MB in the beginning and 238.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:49:53,578 INFO ]: Boogie Preprocessor took 58.27 ms. Allocated memory is still 302.5 MB. Free memory was 238.9 MB in the beginning and 236.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:49:53,579 INFO ]: RCFGBuilder took 585.80 ms. Allocated memory is still 302.5 MB. Free memory was 236.9 MB in the beginning and 212.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 3.6 GB. [2018-06-22 10:49:53,579 INFO ]: TraceAbstraction took 6465.37 ms. Allocated memory was 302.5 MB in the beginning and 372.8 MB in the end (delta: 70.3 MB). Free memory was 212.9 MB in the beginning and 183.9 MB in the end (delta: 28.9 MB). Peak memory consumption was 99.2 MB. Max. memory is 3.6 GB. [2018-06-22 10:49:53,582 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 302.5 MB. Free memory is still 267.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 60.37 ms. Allocated memory is still 302.5 MB. Free memory was 240.9 MB in the beginning and 238.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 58.27 ms. Allocated memory is still 302.5 MB. Free memory was 238.9 MB in the beginning and 236.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 585.80 ms. Allocated memory is still 302.5 MB. Free memory was 236.9 MB in the beginning and 212.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 6465.37 ms. Allocated memory was 302.5 MB in the beginning and 372.8 MB in the end (delta: 70.3 MB). Free memory was 212.9 MB in the beginning and 183.9 MB in the end (delta: 28.9 MB). Peak memory consumption was 99.2 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 114 locations, 1 error locations. SAFE Result, 6.3s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1070 SDtfs, 71 SDslu, 10008 SDs, 0 SdLazy, 1527 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 18 SyntacticMatches, 6 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=193occurred in iteration=7, 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, 8 MinimizatonAttempts, 74 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 712 NumberOfCodeBlocks, 712 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 704 ConstructedInterpolants, 0 QuantifiedInterpolants, 100288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 90/90 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/13.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-49-53-592.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/13.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-49-53-592.csv Received shutdown request...