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/33.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:54:10,903 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:54:10,905 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:54:10,917 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:54:10,917 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:54:10,918 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:54:10,919 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:54:10,924 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:54:10,926 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:54:10,927 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:54:10,927 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:54:10,928 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:54:10,928 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:54:10,929 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:54:10,930 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:54:10,931 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:54:10,932 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:54:10,934 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:54:10,936 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:54:10,937 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:54:10,938 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:54:10,940 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:54:10,940 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:54:10,940 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:54:10,941 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:54:10,942 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:54:10,943 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:54:10,944 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:54:10,945 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:54:10,945 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:54:10,946 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:54:10,946 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:54:10,947 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:54:10,947 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:54:10,948 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:54:10,948 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 10:54:10,969 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:54:10,969 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:54:10,974 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:54:10,975 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:54:10,975 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:54:10,976 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:54:10,976 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:54:10,976 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:54:10,976 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:54:10,976 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:54:10,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:54:10,977 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:54:10,977 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:54:10,977 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:54:10,977 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:54:10,977 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:54:10,978 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:54:10,978 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:54:10,978 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:54:10,979 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:54:10,979 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:54:11,024 INFO ]: Repository-Root is: /tmp [2018-06-22 10:54:11,037 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:54:11,041 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:54:11,042 INFO ]: Initializing SmtParser... [2018-06-22 10:54:11,042 INFO ]: SmtParser initialized [2018-06-22 10:54:11,043 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/HOLA/33.c.smt2 [2018-06-22 10:54:11,044 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 10:54:11,134 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/33.c.smt2 unknown [2018-06-22 10:54:11,956 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/33.c.smt2 [2018-06-22 10:54:11,960 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:54:11,976 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:54:11,977 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:54:11,977 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:54:11,977 INFO ]: ChcToBoogie initialized [2018-06-22 10:54:11,980 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:54:11" (1/1) ... [2018-06-22 10:54:12,111 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:12 Unit [2018-06-22 10:54:12,111 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:54:12,112 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:54:12,112 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:54:12,112 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:54:12,130 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:12" (1/1) ... [2018-06-22 10:54:12,130 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:12" (1/1) ... [2018-06-22 10:54:12,146 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:12" (1/1) ... [2018-06-22 10:54:12,146 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:12" (1/1) ... [2018-06-22 10:54:12,167 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:12" (1/1) ... [2018-06-22 10:54:12,170 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:12" (1/1) ... [2018-06-22 10:54:12,173 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:12" (1/1) ... [2018-06-22 10:54:12,179 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:54:12,180 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:54:12,180 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:54:12,180 INFO ]: RCFGBuilder initialized [2018-06-22 10:54:12,181 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:12" (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 10:54:12,194 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:54:12,194 INFO ]: Found specification of procedure False [2018-06-22 10:54:12,194 INFO ]: Found implementation of procedure False [2018-06-22 10:54:12,194 INFO ]: Specification and implementation of procedure h47 given in one single declaration [2018-06-22 10:54:12,194 INFO ]: Found specification of procedure h47 [2018-06-22 10:54:12,194 INFO ]: Found implementation of procedure h47 [2018-06-22 10:54:12,194 INFO ]: Specification and implementation of procedure h45 given in one single declaration [2018-06-22 10:54:12,194 INFO ]: Found specification of procedure h45 [2018-06-22 10:54:12,194 INFO ]: Found implementation of procedure h45 [2018-06-22 10:54:12,194 INFO ]: Specification and implementation of procedure h14 given in one single declaration [2018-06-22 10:54:12,194 INFO ]: Found specification of procedure h14 [2018-06-22 10:54:12,194 INFO ]: Found implementation of procedure h14 [2018-06-22 10:54:12,194 INFO ]: Specification and implementation of procedure h13 given in one single declaration [2018-06-22 10:54:12,195 INFO ]: Found specification of procedure h13 [2018-06-22 10:54:12,195 INFO ]: Found implementation of procedure h13 [2018-06-22 10:54:12,195 INFO ]: Specification and implementation of procedure h12 given in one single declaration [2018-06-22 10:54:12,195 INFO ]: Found specification of procedure h12 [2018-06-22 10:54:12,195 INFO ]: Found implementation of procedure h12 [2018-06-22 10:54:12,195 INFO ]: Specification and implementation of procedure h8 given in one single declaration [2018-06-22 10:54:12,195 INFO ]: Found specification of procedure h8 [2018-06-22 10:54:12,195 INFO ]: Found implementation of procedure h8 [2018-06-22 10:54:12,195 INFO ]: Specification and implementation of procedure h7 given in one single declaration [2018-06-22 10:54:12,195 INFO ]: Found specification of procedure h7 [2018-06-22 10:54:12,195 INFO ]: Found implementation of procedure h7 [2018-06-22 10:54:12,195 INFO ]: Specification and implementation of procedure h6 given in one single declaration [2018-06-22 10:54:12,195 INFO ]: Found specification of procedure h6 [2018-06-22 10:54:12,195 INFO ]: Found implementation of procedure h6 [2018-06-22 10:54:12,195 INFO ]: Specification and implementation of procedure h5 given in one single declaration [2018-06-22 10:54:12,195 INFO ]: Found specification of procedure h5 [2018-06-22 10:54:12,195 INFO ]: Found implementation of procedure h5 [2018-06-22 10:54:12,195 INFO ]: Specification and implementation of procedure h44 given in one single declaration [2018-06-22 10:54:12,195 INFO ]: Found specification of procedure h44 [2018-06-22 10:54:12,195 INFO ]: Found implementation of procedure h44 [2018-06-22 10:54:12,195 INFO ]: Specification and implementation of procedure h43 given in one single declaration [2018-06-22 10:54:12,195 INFO ]: Found specification of procedure h43 [2018-06-22 10:54:12,195 INFO ]: Found implementation of procedure h43 [2018-06-22 10:54:12,195 INFO ]: Specification and implementation of procedure h42 given in one single declaration [2018-06-22 10:54:12,195 INFO ]: Found specification of procedure h42 [2018-06-22 10:54:12,195 INFO ]: Found implementation of procedure h42 [2018-06-22 10:54:12,195 INFO ]: Specification and implementation of procedure h41 given in one single declaration [2018-06-22 10:54:12,195 INFO ]: Found specification of procedure h41 [2018-06-22 10:54:12,195 INFO ]: Found implementation of procedure h41 [2018-06-22 10:54:12,195 INFO ]: Specification and implementation of procedure h37 given in one single declaration [2018-06-22 10:54:12,195 INFO ]: Found specification of procedure h37 [2018-06-22 10:54:12,195 INFO ]: Found implementation of procedure h37 [2018-06-22 10:54:12,196 INFO ]: Specification and implementation of procedure h36 given in one single declaration [2018-06-22 10:54:12,196 INFO ]: Found specification of procedure h36 [2018-06-22 10:54:12,196 INFO ]: Found implementation of procedure h36 [2018-06-22 10:54:12,196 INFO ]: Specification and implementation of procedure h35 given in one single declaration [2018-06-22 10:54:12,196 INFO ]: Found specification of procedure h35 [2018-06-22 10:54:12,196 INFO ]: Found implementation of procedure h35 [2018-06-22 10:54:12,196 INFO ]: Specification and implementation of procedure h34 given in one single declaration [2018-06-22 10:54:12,196 INFO ]: Found specification of procedure h34 [2018-06-22 10:54:12,196 INFO ]: Found implementation of procedure h34 [2018-06-22 10:54:12,196 INFO ]: Specification and implementation of procedure h33 given in one single declaration [2018-06-22 10:54:12,196 INFO ]: Found specification of procedure h33 [2018-06-22 10:54:12,196 INFO ]: Found implementation of procedure h33 [2018-06-22 10:54:12,196 INFO ]: Specification and implementation of procedure h32 given in one single declaration [2018-06-22 10:54:12,196 INFO ]: Found specification of procedure h32 [2018-06-22 10:54:12,196 INFO ]: Found implementation of procedure h32 [2018-06-22 10:54:12,196 INFO ]: Specification and implementation of procedure h26 given in one single declaration [2018-06-22 10:54:12,196 INFO ]: Found specification of procedure h26 [2018-06-22 10:54:12,196 INFO ]: Found implementation of procedure h26 [2018-06-22 10:54:12,196 INFO ]: Specification and implementation of procedure h25 given in one single declaration [2018-06-22 10:54:12,196 INFO ]: Found specification of procedure h25 [2018-06-22 10:54:12,196 INFO ]: Found implementation of procedure h25 [2018-06-22 10:54:12,196 INFO ]: Specification and implementation of procedure h24 given in one single declaration [2018-06-22 10:54:12,196 INFO ]: Found specification of procedure h24 [2018-06-22 10:54:12,196 INFO ]: Found implementation of procedure h24 [2018-06-22 10:54:12,196 INFO ]: Specification and implementation of procedure h20 given in one single declaration [2018-06-22 10:54:12,196 INFO ]: Found specification of procedure h20 [2018-06-22 10:54:12,196 INFO ]: Found implementation of procedure h20 [2018-06-22 10:54:12,196 INFO ]: Specification and implementation of procedure h19 given in one single declaration [2018-06-22 10:54:12,196 INFO ]: Found specification of procedure h19 [2018-06-22 10:54:12,196 INFO ]: Found implementation of procedure h19 [2018-06-22 10:54:12,196 INFO ]: Specification and implementation of procedure h18 given in one single declaration [2018-06-22 10:54:12,196 INFO ]: Found specification of procedure h18 [2018-06-22 10:54:12,196 INFO ]: Found implementation of procedure h18 [2018-06-22 10:54:12,196 INFO ]: Specification and implementation of procedure h17 given in one single declaration [2018-06-22 10:54:12,197 INFO ]: Found specification of procedure h17 [2018-06-22 10:54:12,197 INFO ]: Found implementation of procedure h17 [2018-06-22 10:54:12,197 INFO ]: Specification and implementation of procedure h28 given in one single declaration [2018-06-22 10:54:12,197 INFO ]: Found specification of procedure h28 [2018-06-22 10:54:12,197 INFO ]: Found implementation of procedure h28 [2018-06-22 10:54:12,197 INFO ]: Specification and implementation of procedure h27 given in one single declaration [2018-06-22 10:54:12,197 INFO ]: Found specification of procedure h27 [2018-06-22 10:54:12,197 INFO ]: Found implementation of procedure h27 [2018-06-22 10:54:12,197 INFO ]: Specification and implementation of procedure h22 given in one single declaration [2018-06-22 10:54:12,197 INFO ]: Found specification of procedure h22 [2018-06-22 10:54:12,197 INFO ]: Found implementation of procedure h22 [2018-06-22 10:54:12,197 INFO ]: Specification and implementation of procedure h23 given in one single declaration [2018-06-22 10:54:12,197 INFO ]: Found specification of procedure h23 [2018-06-22 10:54:12,197 INFO ]: Found implementation of procedure h23 [2018-06-22 10:54:12,197 INFO ]: Specification and implementation of procedure h21 given in one single declaration [2018-06-22 10:54:12,197 INFO ]: Found specification of procedure h21 [2018-06-22 10:54:12,197 INFO ]: Found implementation of procedure h21 [2018-06-22 10:54:12,197 INFO ]: Specification and implementation of procedure h16 given in one single declaration [2018-06-22 10:54:12,197 INFO ]: Found specification of procedure h16 [2018-06-22 10:54:12,197 INFO ]: Found implementation of procedure h16 [2018-06-22 10:54:12,197 INFO ]: Specification and implementation of procedure h15 given in one single declaration [2018-06-22 10:54:12,197 INFO ]: Found specification of procedure h15 [2018-06-22 10:54:12,197 INFO ]: Found implementation of procedure h15 [2018-06-22 10:54:12,197 INFO ]: Specification and implementation of procedure h10 given in one single declaration [2018-06-22 10:54:12,197 INFO ]: Found specification of procedure h10 [2018-06-22 10:54:12,197 INFO ]: Found implementation of procedure h10 [2018-06-22 10:54:12,197 INFO ]: Specification and implementation of procedure h11 given in one single declaration [2018-06-22 10:54:12,197 INFO ]: Found specification of procedure h11 [2018-06-22 10:54:12,197 INFO ]: Found implementation of procedure h11 [2018-06-22 10:54:12,197 INFO ]: Specification and implementation of procedure h9 given in one single declaration [2018-06-22 10:54:12,197 INFO ]: Found specification of procedure h9 [2018-06-22 10:54:12,197 INFO ]: Found implementation of procedure h9 [2018-06-22 10:54:12,197 INFO ]: Specification and implementation of procedure h30 given in one single declaration [2018-06-22 10:54:12,197 INFO ]: Found specification of procedure h30 [2018-06-22 10:54:12,197 INFO ]: Found implementation of procedure h30 [2018-06-22 10:54:12,197 INFO ]: Specification and implementation of procedure h31 given in one single declaration [2018-06-22 10:54:12,197 INFO ]: Found specification of procedure h31 [2018-06-22 10:54:12,197 INFO ]: Found implementation of procedure h31 [2018-06-22 10:54:12,198 INFO ]: Specification and implementation of procedure h29 given in one single declaration [2018-06-22 10:54:12,198 INFO ]: Found specification of procedure h29 [2018-06-22 10:54:12,198 INFO ]: Found implementation of procedure h29 [2018-06-22 10:54:12,198 INFO ]: Specification and implementation of procedure h39 given in one single declaration [2018-06-22 10:54:12,198 INFO ]: Found specification of procedure h39 [2018-06-22 10:54:12,198 INFO ]: Found implementation of procedure h39 [2018-06-22 10:54:12,198 INFO ]: Specification and implementation of procedure h38 given in one single declaration [2018-06-22 10:54:12,198 INFO ]: Found specification of procedure h38 [2018-06-22 10:54:12,198 INFO ]: Found implementation of procedure h38 [2018-06-22 10:54:12,198 INFO ]: Specification and implementation of procedure h40 given in one single declaration [2018-06-22 10:54:12,198 INFO ]: Found specification of procedure h40 [2018-06-22 10:54:12,198 INFO ]: Found implementation of procedure h40 [2018-06-22 10:54:12,198 INFO ]: Specification and implementation of procedure h4 given in one single declaration [2018-06-22 10:54:12,198 INFO ]: Found specification of procedure h4 [2018-06-22 10:54:12,198 INFO ]: Found implementation of procedure h4 [2018-06-22 10:54:12,198 INFO ]: Specification and implementation of procedure h3 given in one single declaration [2018-06-22 10:54:12,198 INFO ]: Found specification of procedure h3 [2018-06-22 10:54:12,198 INFO ]: Found implementation of procedure h3 [2018-06-22 10:54:12,198 INFO ]: Specification and implementation of procedure h2 given in one single declaration [2018-06-22 10:54:12,198 INFO ]: Found specification of procedure h2 [2018-06-22 10:54:12,198 INFO ]: Found implementation of procedure h2 [2018-06-22 10:54:12,198 INFO ]: Specification and implementation of procedure h1 given in one single declaration [2018-06-22 10:54:12,198 INFO ]: Found specification of procedure h1 [2018-06-22 10:54:12,198 INFO ]: Found implementation of procedure h1 [2018-06-22 10:54:12,198 INFO ]: Specification and implementation of procedure h46 given in one single declaration [2018-06-22 10:54:12,198 INFO ]: Found specification of procedure h46 [2018-06-22 10:54:12,198 INFO ]: Found implementation of procedure h46 [2018-06-22 10:54:12,198 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:54:12,198 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:54:12,198 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:54:13,600 INFO ]: Using library mode [2018-06-22 10:54:13,601 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:54:13 BoogieIcfgContainer [2018-06-22 10:54:13,601 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:54:13,602 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:54:13,602 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:54:13,608 INFO ]: TraceAbstraction initialized [2018-06-22 10:54:13,608 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:54:11" (1/3) ... [2018-06-22 10:54:13,609 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258c4223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:54:13, skipping insertion in model container [2018-06-22 10:54:13,609 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:12" (2/3) ... [2018-06-22 10:54:13,610 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258c4223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:54:13, skipping insertion in model container [2018-06-22 10:54:13,610 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:54:13" (3/3) ... [2018-06-22 10:54:13,611 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:54:13,620 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:54:13,630 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:54:13,680 INFO ]: Using default assertion order modulation [2018-06-22 10:54:13,680 INFO ]: Interprodecural is true [2018-06-22 10:54:13,680 INFO ]: Hoare is false [2018-06-22 10:54:13,680 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:54:13,681 INFO ]: Backedges is TWOTRACK [2018-06-22 10:54:13,681 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:54:13,681 INFO ]: Difference is false [2018-06-22 10:54:13,681 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:54:13,682 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:54:13,714 INFO ]: Start isEmpty. Operand 205 states. [2018-06-22 10:54:13,737 INFO ]: Finished isEmpty. Found accepting run of length 58 [2018-06-22 10:54:13,738 INFO ]: Found error trace [2018-06-22 10:54:13,739 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:54:13,739 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:54:13,744 INFO ]: Analyzing trace with hash -844820397, now seen corresponding path program 1 times [2018-06-22 10:54:13,746 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:54:13,746 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:54:13,793 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:13,793 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:54:13,793 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:13,913 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:54:14,277 WARN ]: Spent 191.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-06-22 10:54:14,885 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:54:14,888 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:54:14,888 INFO ]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-06-22 10:54:14,890 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:54:14,906 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:54:14,907 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:54:14,909 INFO ]: Start difference. First operand 205 states. Second operand 14 states. [2018-06-22 10:54:16,034 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:54:16,034 INFO ]: Finished difference Result 219 states and 238 transitions. [2018-06-22 10:54:16,035 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-06-22 10:54:16,036 INFO ]: Start accepts. Automaton has 14 states. Word has length 57 [2018-06-22 10:54:16,036 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:54:16,053 INFO ]: With dead ends: 219 [2018-06-22 10:54:16,053 INFO ]: Without dead ends: 219 [2018-06-22 10:54:16,054 INFO ]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:54:16,067 INFO ]: Start minimizeSevpa. Operand 219 states. [2018-06-22 10:54:16,112 INFO ]: Finished minimizeSevpa. Reduced states from 219 to 219. [2018-06-22 10:54:16,113 INFO ]: Start removeUnreachable. Operand 219 states. [2018-06-22 10:54:16,118 INFO ]: Finished removeUnreachable. Reduced from 219 states to 219 states and 238 transitions. [2018-06-22 10:54:16,119 INFO ]: Start accepts. Automaton has 219 states and 238 transitions. Word has length 57 [2018-06-22 10:54:16,119 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:54:16,120 INFO ]: Abstraction has 219 states and 238 transitions. [2018-06-22 10:54:16,120 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:54:16,120 INFO ]: Start isEmpty. Operand 219 states and 238 transitions. [2018-06-22 10:54:16,123 INFO ]: Finished isEmpty. Found accepting run of length 58 [2018-06-22 10:54:16,123 INFO ]: Found error trace [2018-06-22 10:54:16,123 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:54:16,124 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:54:16,124 INFO ]: Analyzing trace with hash 184331734, now seen corresponding path program 1 times [2018-06-22 10:54:16,124 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:54:16,124 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:54:16,125 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:16,125 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:54:16,125 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:16,172 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:54:16,523 WARN ]: Spent 180.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-06-22 10:54:17,464 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:54:17,464 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:54:17,465 INFO ]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-06-22 10:54:17,466 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:54:17,466 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:54:17,466 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:54:17,467 INFO ]: Start difference. First operand 219 states and 238 transitions. Second operand 14 states. [2018-06-22 10:54:17,795 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:54:17,795 INFO ]: Finished difference Result 219 states and 237 transitions. [2018-06-22 10:54:17,795 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-06-22 10:54:17,795 INFO ]: Start accepts. Automaton has 14 states. Word has length 57 [2018-06-22 10:54:17,796 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:54:17,800 INFO ]: With dead ends: 219 [2018-06-22 10:54:17,800 INFO ]: Without dead ends: 211 [2018-06-22 10:54:17,801 INFO ]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:54:17,802 INFO ]: Start minimizeSevpa. Operand 211 states. [2018-06-22 10:54:17,822 INFO ]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-06-22 10:54:17,822 INFO ]: Start removeUnreachable. Operand 211 states. [2018-06-22 10:54:17,825 INFO ]: Finished removeUnreachable. Reduced from 211 states to 211 states and 229 transitions. [2018-06-22 10:54:17,825 INFO ]: Start accepts. Automaton has 211 states and 229 transitions. Word has length 57 [2018-06-22 10:54:17,825 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:54:17,825 INFO ]: Abstraction has 211 states and 229 transitions. [2018-06-22 10:54:17,825 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:54:17,825 INFO ]: Start isEmpty. Operand 211 states and 229 transitions. [2018-06-22 10:54:17,832 INFO ]: Finished isEmpty. Found accepting run of length 158 [2018-06-22 10:54:17,832 INFO ]: Found error trace [2018-06-22 10:54:17,832 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:54:17,833 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:54:17,833 INFO ]: Analyzing trace with hash 939494399, now seen corresponding path program 1 times [2018-06-22 10:54:17,833 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:54:17,833 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:54:17,834 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:17,834 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:54:17,834 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:17,869 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:54:19,063 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:54:19,063 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:54:19,063 INFO ]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2018-06-22 10:54:19,064 INFO ]: Interpolant automaton has 28 states [2018-06-22 10:54:19,064 INFO ]: Constructing interpolant automaton starting with 28 interpolants. [2018-06-22 10:54:19,064 INFO ]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2018-06-22 10:54:19,064 INFO ]: Start difference. First operand 211 states and 229 transitions. Second operand 28 states. [2018-06-22 10:54:20,468 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:54:20,468 INFO ]: Finished difference Result 321 states and 376 transitions. [2018-06-22 10:54:20,469 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-06-22 10:54:20,469 INFO ]: Start accepts. Automaton has 28 states. Word has length 157 [2018-06-22 10:54:20,470 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:54:20,475 INFO ]: With dead ends: 321 [2018-06-22 10:54:20,475 INFO ]: Without dead ends: 321 [2018-06-22 10:54:20,476 INFO ]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2018-06-22 10:54:20,477 INFO ]: Start minimizeSevpa. Operand 321 states. [2018-06-22 10:54:20,513 INFO ]: Finished minimizeSevpa. Reduced states from 321 to 319. [2018-06-22 10:54:20,513 INFO ]: Start removeUnreachable. Operand 319 states. [2018-06-22 10:54:20,518 INFO ]: Finished removeUnreachable. Reduced from 319 states to 319 states and 373 transitions. [2018-06-22 10:54:20,518 INFO ]: Start accepts. Automaton has 319 states and 373 transitions. Word has length 157 [2018-06-22 10:54:20,519 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:54:20,519 INFO ]: Abstraction has 319 states and 373 transitions. [2018-06-22 10:54:20,519 INFO ]: Interpolant automaton has 28 states. [2018-06-22 10:54:20,519 INFO ]: Start isEmpty. Operand 319 states and 373 transitions. [2018-06-22 10:54:20,525 INFO ]: Finished isEmpty. Found accepting run of length 158 [2018-06-22 10:54:20,525 INFO ]: Found error trace [2018-06-22 10:54:20,525 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:54:20,525 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:54:20,525 INFO ]: Analyzing trace with hash 1838404156, now seen corresponding path program 1 times [2018-06-22 10:54:20,525 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:54:20,525 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:54:20,526 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:20,526 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:54:20,526 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:20,554 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:54:21,143 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:54:21,143 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:54:21,143 INFO ]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2018-06-22 10:54:21,144 INFO ]: Interpolant automaton has 28 states [2018-06-22 10:54:21,144 INFO ]: Constructing interpolant automaton starting with 28 interpolants. [2018-06-22 10:54:21,145 INFO ]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2018-06-22 10:54:21,145 INFO ]: Start difference. First operand 319 states and 373 transitions. Second operand 28 states. [2018-06-22 10:54:22,581 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:54:22,581 INFO ]: Finished difference Result 471 states and 584 transitions. [2018-06-22 10:54:22,584 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-06-22 10:54:22,584 INFO ]: Start accepts. Automaton has 28 states. Word has length 157 [2018-06-22 10:54:22,585 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:54:22,590 INFO ]: With dead ends: 471 [2018-06-22 10:54:22,590 INFO ]: Without dead ends: 462 [2018-06-22 10:54:22,590 INFO ]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2018-06-22 10:54:22,591 INFO ]: Start minimizeSevpa. Operand 462 states. [2018-06-22 10:54:22,633 INFO ]: Finished minimizeSevpa. Reduced states from 462 to 444. [2018-06-22 10:54:22,633 INFO ]: Start removeUnreachable. Operand 444 states. [2018-06-22 10:54:22,639 INFO ]: Finished removeUnreachable. Reduced from 444 states to 444 states and 539 transitions. [2018-06-22 10:54:22,639 INFO ]: Start accepts. Automaton has 444 states and 539 transitions. Word has length 157 [2018-06-22 10:54:22,639 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:54:22,639 INFO ]: Abstraction has 444 states and 539 transitions. [2018-06-22 10:54:22,639 INFO ]: Interpolant automaton has 28 states. [2018-06-22 10:54:22,639 INFO ]: Start isEmpty. Operand 444 states and 539 transitions. [2018-06-22 10:54:22,646 INFO ]: Finished isEmpty. Found accepting run of length 182 [2018-06-22 10:54:22,646 INFO ]: Found error trace [2018-06-22 10:54:22,646 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:54:22,646 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:54:22,647 INFO ]: Analyzing trace with hash -410419164, now seen corresponding path program 1 times [2018-06-22 10:54:22,647 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:54:22,647 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:54:22,648 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:22,648 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:54:22,648 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:22,677 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:54:22,926 INFO ]: Checked inductivity of 30 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-06-22 10:54:22,926 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:54:22,926 INFO ]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-06-22 10:54:22,927 INFO ]: Interpolant automaton has 9 states [2018-06-22 10:54:22,927 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 10:54:22,927 INFO ]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:54:22,927 INFO ]: Start difference. First operand 444 states and 539 transitions. Second operand 9 states. [2018-06-22 10:54:23,096 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:54:23,096 INFO ]: Finished difference Result 483 states and 595 transitions. [2018-06-22 10:54:23,096 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 10:54:23,096 INFO ]: Start accepts. Automaton has 9 states. Word has length 181 [2018-06-22 10:54:23,097 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:54:23,100 INFO ]: With dead ends: 483 [2018-06-22 10:54:23,101 INFO ]: Without dead ends: 483 [2018-06-22 10:54:23,101 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 10:54:23,101 INFO ]: Start minimizeSevpa. Operand 483 states. [2018-06-22 10:54:23,131 INFO ]: Finished minimizeSevpa. Reduced states from 483 to 473. [2018-06-22 10:54:23,131 INFO ]: Start removeUnreachable. Operand 473 states. [2018-06-22 10:54:23,136 INFO ]: Finished removeUnreachable. Reduced from 473 states to 473 states and 576 transitions. [2018-06-22 10:54:23,136 INFO ]: Start accepts. Automaton has 473 states and 576 transitions. Word has length 181 [2018-06-22 10:54:23,137 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:54:23,137 INFO ]: Abstraction has 473 states and 576 transitions. [2018-06-22 10:54:23,137 INFO ]: Interpolant automaton has 9 states. [2018-06-22 10:54:23,137 INFO ]: Start isEmpty. Operand 473 states and 576 transitions. [2018-06-22 10:54:23,142 INFO ]: Finished isEmpty. Found accepting run of length 182 [2018-06-22 10:54:23,142 INFO ]: Found error trace [2018-06-22 10:54:23,142 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:54:23,142 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:54:23,143 INFO ]: Analyzing trace with hash 827290698, now seen corresponding path program 1 times [2018-06-22 10:54:23,143 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:54:23,143 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:54:23,143 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:23,143 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:54:23,143 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:23,173 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:54:23,378 INFO ]: Checked inductivity of 30 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-06-22 10:54:23,378 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:54:23,378 INFO ]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-06-22 10:54:23,378 INFO ]: Interpolant automaton has 9 states [2018-06-22 10:54:23,378 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 10:54:23,378 INFO ]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:54:23,379 INFO ]: Start difference. First operand 473 states and 576 transitions. Second operand 9 states. [2018-06-22 10:54:23,470 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:54:23,470 INFO ]: Finished difference Result 520 states and 641 transitions. [2018-06-22 10:54:23,471 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 10:54:23,471 INFO ]: Start accepts. Automaton has 9 states. Word has length 181 [2018-06-22 10:54:23,472 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:54:23,474 INFO ]: With dead ends: 520 [2018-06-22 10:54:23,474 INFO ]: Without dead ends: 428 [2018-06-22 10:54:23,475 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 10:54:23,475 INFO ]: Start minimizeSevpa. Operand 428 states. [2018-06-22 10:54:23,506 INFO ]: Finished minimizeSevpa. Reduced states from 428 to 428. [2018-06-22 10:54:23,506 INFO ]: Start removeUnreachable. Operand 428 states. [2018-06-22 10:54:23,509 INFO ]: Finished removeUnreachable. Reduced from 428 states to 428 states and 493 transitions. [2018-06-22 10:54:23,509 INFO ]: Start accepts. Automaton has 428 states and 493 transitions. Word has length 181 [2018-06-22 10:54:23,510 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:54:23,510 INFO ]: Abstraction has 428 states and 493 transitions. [2018-06-22 10:54:23,510 INFO ]: Interpolant automaton has 9 states. [2018-06-22 10:54:23,510 INFO ]: Start isEmpty. Operand 428 states and 493 transitions. [2018-06-22 10:54:23,513 INFO ]: Finished isEmpty. Found accepting run of length 190 [2018-06-22 10:54:23,513 INFO ]: Found error trace [2018-06-22 10:54:23,513 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:54:23,514 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:54:23,514 INFO ]: Analyzing trace with hash -1724115955, now seen corresponding path program 1 times [2018-06-22 10:54:23,514 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:54:23,514 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:54:23,514 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:23,514 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:54:23,515 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:23,545 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:54:24,052 INFO ]: Checked inductivity of 30 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-06-22 10:54:24,052 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:54:24,052 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 10:54:24,053 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:54:24,053 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:54:24,053 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:54:24,053 INFO ]: Start difference. First operand 428 states and 493 transitions. Second operand 11 states. [2018-06-22 10:54:24,207 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:54:24,207 INFO ]: Finished difference Result 477 states and 566 transitions. [2018-06-22 10:54:24,208 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:54:24,208 INFO ]: Start accepts. Automaton has 11 states. Word has length 189 [2018-06-22 10:54:24,208 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:54:24,211 INFO ]: With dead ends: 477 [2018-06-22 10:54:24,211 INFO ]: Without dead ends: 477 [2018-06-22 10:54:24,211 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:54:24,212 INFO ]: Start minimizeSevpa. Operand 477 states. [2018-06-22 10:54:24,235 INFO ]: Finished minimizeSevpa. Reduced states from 477 to 467. [2018-06-22 10:54:24,235 INFO ]: Start removeUnreachable. Operand 467 states. [2018-06-22 10:54:24,238 INFO ]: Finished removeUnreachable. Reduced from 467 states to 467 states and 547 transitions. [2018-06-22 10:54:24,238 INFO ]: Start accepts. Automaton has 467 states and 547 transitions. Word has length 189 [2018-06-22 10:54:24,239 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:54:24,239 INFO ]: Abstraction has 467 states and 547 transitions. [2018-06-22 10:54:24,239 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:54:24,239 INFO ]: Start isEmpty. Operand 467 states and 547 transitions. [2018-06-22 10:54:24,243 INFO ]: Finished isEmpty. Found accepting run of length 190 [2018-06-22 10:54:24,243 INFO ]: Found error trace [2018-06-22 10:54:24,243 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:54:24,243 INFO ]: === Iteration 8 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:54:24,243 INFO ]: Analyzing trace with hash 1237470957, now seen corresponding path program 1 times [2018-06-22 10:54:24,243 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:54:24,243 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:54:24,244 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:24,244 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:54:24,244 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:24,270 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:54:24,596 INFO ]: Checked inductivity of 30 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-06-22 10:54:24,597 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:54:24,609 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 10:54:24,609 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:54:24,609 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:54:24,609 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:54:24,609 INFO ]: Start difference. First operand 467 states and 547 transitions. Second operand 11 states. [2018-06-22 10:54:25,132 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:54:25,132 INFO ]: Finished difference Result 526 states and 633 transitions. [2018-06-22 10:54:25,132 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:54:25,132 INFO ]: Start accepts. Automaton has 11 states. Word has length 189 [2018-06-22 10:54:25,133 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:54:25,136 INFO ]: With dead ends: 526 [2018-06-22 10:54:25,136 INFO ]: Without dead ends: 522 [2018-06-22 10:54:25,136 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 10:54:25,136 INFO ]: Start minimizeSevpa. Operand 522 states. [2018-06-22 10:54:25,158 INFO ]: Finished minimizeSevpa. Reduced states from 522 to 496. [2018-06-22 10:54:25,158 INFO ]: Start removeUnreachable. Operand 496 states. [2018-06-22 10:54:25,161 INFO ]: Finished removeUnreachable. Reduced from 496 states to 496 states and 572 transitions. [2018-06-22 10:54:25,161 INFO ]: Start accepts. Automaton has 496 states and 572 transitions. Word has length 189 [2018-06-22 10:54:25,161 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:54:25,161 INFO ]: Abstraction has 496 states and 572 transitions. [2018-06-22 10:54:25,161 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:54:25,161 INFO ]: Start isEmpty. Operand 496 states and 572 transitions. [2018-06-22 10:54:25,164 INFO ]: Finished isEmpty. Found accepting run of length 190 [2018-06-22 10:54:25,164 INFO ]: Found error trace [2018-06-22 10:54:25,164 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:54:25,165 INFO ]: === Iteration 9 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:54:25,165 INFO ]: Analyzing trace with hash -1508001686, now seen corresponding path program 1 times [2018-06-22 10:54:25,165 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:54:25,165 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:54:25,165 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:25,165 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:54:25,165 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:25,190 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:54:25,894 INFO ]: Checked inductivity of 30 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-06-22 10:54:25,894 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:54:25,894 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 10:54:25,895 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:54:25,895 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:54:25,895 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:54:25,895 INFO ]: Start difference. First operand 496 states and 572 transitions. Second operand 11 states. [2018-06-22 10:54:26,197 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:54:26,197 INFO ]: Finished difference Result 554 states and 628 transitions. [2018-06-22 10:54:26,197 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:54:26,197 INFO ]: Start accepts. Automaton has 11 states. Word has length 189 [2018-06-22 10:54:26,198 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:54:26,200 INFO ]: With dead ends: 554 [2018-06-22 10:54:26,200 INFO ]: Without dead ends: 528 [2018-06-22 10:54:26,201 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:54:26,201 INFO ]: Start minimizeSevpa. Operand 528 states. [2018-06-22 10:54:26,221 INFO ]: Finished minimizeSevpa. Reduced states from 528 to 496. [2018-06-22 10:54:26,221 INFO ]: Start removeUnreachable. Operand 496 states. [2018-06-22 10:54:26,224 INFO ]: Finished removeUnreachable. Reduced from 496 states to 496 states and 569 transitions. [2018-06-22 10:54:26,224 INFO ]: Start accepts. Automaton has 496 states and 569 transitions. Word has length 189 [2018-06-22 10:54:26,225 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:54:26,225 INFO ]: Abstraction has 496 states and 569 transitions. [2018-06-22 10:54:26,225 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:54:26,225 INFO ]: Start isEmpty. Operand 496 states and 569 transitions. [2018-06-22 10:54:26,228 INFO ]: Finished isEmpty. Found accepting run of length 190 [2018-06-22 10:54:26,228 INFO ]: Found error trace [2018-06-22 10:54:26,231 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:54:26,231 INFO ]: === Iteration 10 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:54:26,231 INFO ]: Analyzing trace with hash 1498433361, now seen corresponding path program 1 times [2018-06-22 10:54:26,231 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:54:26,231 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:54:26,232 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:26,232 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:54:26,232 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:26,258 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:54:26,906 INFO ]: Checked inductivity of 30 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-06-22 10:54:26,906 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:54:26,906 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 10:54:26,907 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:54:26,907 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:54:26,907 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:54:26,907 INFO ]: Start difference. First operand 496 states and 569 transitions. Second operand 11 states. [2018-06-22 10:54:27,143 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:54:27,143 INFO ]: Finished difference Result 542 states and 620 transitions. [2018-06-22 10:54:27,144 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:54:27,144 INFO ]: Start accepts. Automaton has 11 states. Word has length 189 [2018-06-22 10:54:27,145 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:54:27,150 INFO ]: With dead ends: 542 [2018-06-22 10:54:27,150 INFO ]: Without dead ends: 518 [2018-06-22 10:54:27,151 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 10:54:27,151 INFO ]: Start minimizeSevpa. Operand 518 states. [2018-06-22 10:54:27,173 INFO ]: Finished minimizeSevpa. Reduced states from 518 to 508. [2018-06-22 10:54:27,173 INFO ]: Start removeUnreachable. Operand 508 states. [2018-06-22 10:54:27,176 INFO ]: Finished removeUnreachable. Reduced from 508 states to 508 states and 585 transitions. [2018-06-22 10:54:27,176 INFO ]: Start accepts. Automaton has 508 states and 585 transitions. Word has length 189 [2018-06-22 10:54:27,176 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:54:27,176 INFO ]: Abstraction has 508 states and 585 transitions. [2018-06-22 10:54:27,176 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:54:27,176 INFO ]: Start isEmpty. Operand 508 states and 585 transitions. [2018-06-22 10:54:27,180 INFO ]: Finished isEmpty. Found accepting run of length 190 [2018-06-22 10:54:27,180 INFO ]: Found error trace [2018-06-22 10:54:27,181 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:54:27,181 INFO ]: === Iteration 11 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:54:27,181 INFO ]: Analyzing trace with hash 120527498, now seen corresponding path program 1 times [2018-06-22 10:54:27,181 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:54:27,181 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:54:27,182 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:27,182 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:54:27,182 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:27,209 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:54:28,068 INFO ]: Checked inductivity of 30 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-06-22 10:54:28,068 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:54:28,068 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 10:54:28,069 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:54:28,069 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:54:28,069 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:54:28,069 INFO ]: Start difference. First operand 508 states and 585 transitions. Second operand 11 states. [2018-06-22 10:54:28,252 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:54:28,252 INFO ]: Finished difference Result 552 states and 630 transitions. [2018-06-22 10:54:28,252 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:54:28,252 INFO ]: Start accepts. Automaton has 11 states. Word has length 189 [2018-06-22 10:54:28,253 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:54:28,255 INFO ]: With dead ends: 552 [2018-06-22 10:54:28,255 INFO ]: Without dead ends: 519 [2018-06-22 10:54:28,255 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 10:54:28,255 INFO ]: Start minimizeSevpa. Operand 519 states. [2018-06-22 10:54:28,276 INFO ]: Finished minimizeSevpa. Reduced states from 519 to 507. [2018-06-22 10:54:28,276 INFO ]: Start removeUnreachable. Operand 507 states. [2018-06-22 10:54:28,279 INFO ]: Finished removeUnreachable. Reduced from 507 states to 507 states and 579 transitions. [2018-06-22 10:54:28,280 INFO ]: Start accepts. Automaton has 507 states and 579 transitions. Word has length 189 [2018-06-22 10:54:28,280 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:54:28,280 INFO ]: Abstraction has 507 states and 579 transitions. [2018-06-22 10:54:28,280 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:54:28,280 INFO ]: Start isEmpty. Operand 507 states and 579 transitions. [2018-06-22 10:54:28,282 INFO ]: Finished isEmpty. Found accepting run of length 190 [2018-06-22 10:54:28,282 INFO ]: Found error trace [2018-06-22 10:54:28,282 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:54:28,282 INFO ]: === Iteration 12 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:54:28,283 INFO ]: Analyzing trace with hash -1082345228, now seen corresponding path program 1 times [2018-06-22 10:54:28,283 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:54:28,283 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:54:28,283 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:28,283 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:54:28,283 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:28,309 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:54:28,437 INFO ]: Checked inductivity of 30 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-06-22 10:54:28,437 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:54:28,437 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 10:54:28,438 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:54:28,438 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:54:28,438 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:54:28,438 INFO ]: Start difference. First operand 507 states and 579 transitions. Second operand 11 states. [2018-06-22 10:54:28,574 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:54:28,574 INFO ]: Finished difference Result 495 states and 570 transitions. [2018-06-22 10:54:28,574 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:54:28,574 INFO ]: Start accepts. Automaton has 11 states. Word has length 189 [2018-06-22 10:54:28,575 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:54:28,575 INFO ]: With dead ends: 495 [2018-06-22 10:54:28,575 INFO ]: Without dead ends: 0 [2018-06-22 10:54:28,575 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 10:54:28,575 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 10:54:28,575 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 10:54:28,575 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 10:54:28,575 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 10:54:28,575 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2018-06-22 10:54:28,575 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:54:28,575 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 10:54:28,575 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:54:28,575 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 10:54:28,575 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 10:54:28,579 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:54:28 BoogieIcfgContainer [2018-06-22 10:54:28,579 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:54:28,579 INFO ]: Toolchain (without parser) took 16618.49 ms. Allocated memory was 309.3 MB in the beginning and 518.0 MB in the end (delta: 208.7 MB). Free memory was 216.2 MB in the beginning and 373.7 MB in the end (delta: -157.4 MB). Peak memory consumption was 51.2 MB. Max. memory is 3.6 GB. [2018-06-22 10:54:28,580 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:54:28,580 INFO ]: ChcToBoogie took 134.77 ms. Allocated memory is still 309.3 MB. Free memory was 216.2 MB in the beginning and 213.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 3.6 GB. [2018-06-22 10:54:28,580 INFO ]: Boogie Preprocessor took 67.66 ms. Allocated memory is still 309.3 MB. Free memory was 213.2 MB in the beginning and 211.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:54:28,581 INFO ]: RCFGBuilder took 1420.58 ms. Allocated memory was 309.3 MB in the beginning and 328.7 MB in the end (delta: 19.4 MB). Free memory was 211.2 MB in the beginning and 263.2 MB in the end (delta: -52.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:54:28,581 INFO ]: TraceAbstraction took 14976.68 ms. Allocated memory was 328.7 MB in the beginning and 518.0 MB in the end (delta: 189.3 MB). Free memory was 263.2 MB in the beginning and 373.7 MB in the end (delta: -110.5 MB). Peak memory consumption was 78.8 MB. Max. memory is 3.6 GB. [2018-06-22 10:54:28,583 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 134.77 ms. Allocated memory is still 309.3 MB. Free memory was 216.2 MB in the beginning and 213.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 67.66 ms. Allocated memory is still 309.3 MB. Free memory was 213.2 MB in the beginning and 211.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1420.58 ms. Allocated memory was 309.3 MB in the beginning and 328.7 MB in the end (delta: 19.4 MB). Free memory was 211.2 MB in the beginning and 263.2 MB in the end (delta: -52.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 14976.68 ms. Allocated memory was 328.7 MB in the beginning and 518.0 MB in the end (delta: 189.3 MB). Free memory was 263.2 MB in the beginning and 373.7 MB in the end (delta: -110.5 MB). Peak memory consumption was 78.8 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 49 procedures, 205 locations, 1 error locations. SAFE Result, 14.9s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 6.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2800 SDtfs, 148 SDslu, 34517 SDs, 0 SdLazy, 4739 SolverSat, 110 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=508occurred in iteration=10, 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: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 120 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 1924 NumberOfCodeBlocks, 1924 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1912 ConstructedInterpolants, 0 QuantifiedInterpolants, 471064 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 270/270 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/33.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-54-28-592.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/33.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-54-28-592.csv Received shutdown request...