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/09.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:48:25,107 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:48:25,109 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:48:25,122 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:48:25,123 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:48:25,124 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:48:25,125 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:48:25,132 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:48:25,134 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:48:25,135 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:48:25,136 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:48:25,136 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:48:25,136 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:48:25,137 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:48:25,138 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:48:25,139 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:48:25,141 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:48:25,142 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:48:25,146 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:48:25,147 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:48:25,148 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:48:25,151 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:48:25,151 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:48:25,151 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:48:25,152 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:48:25,153 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:48:25,154 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:48:25,154 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:48:25,155 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:48:25,156 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:48:25,156 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:48:25,157 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:48:25,157 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:48:25,158 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:48:25,159 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:48:25,159 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 10:48:25,172 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:48:25,173 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:48:25,173 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:48:25,174 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:48:25,174 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:48:25,175 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:48:25,175 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:48:25,175 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:48:25,175 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:48:25,176 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:48:25,176 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:48:25,176 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:48:25,176 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:48:25,177 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:48:25,177 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:48:25,177 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:48:25,177 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:48:25,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:48:25,178 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:48:25,179 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:48:25,179 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:48:25,223 INFO ]: Repository-Root is: /tmp [2018-06-22 10:48:25,235 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:48:25,242 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:48:25,243 INFO ]: Initializing SmtParser... [2018-06-22 10:48:25,243 INFO ]: SmtParser initialized [2018-06-22 10:48:25,244 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/HOLA/09.c.smt2 [2018-06-22 10:48:25,246 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 10:48:25,333 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/09.c.smt2 unknown [2018-06-22 10:48:25,998 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/09.c.smt2 [2018-06-22 10:48:26,003 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:48:26,009 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:48:26,010 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:48:26,010 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:48:26,010 INFO ]: ChcToBoogie initialized [2018-06-22 10:48:26,013 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:48:26" (1/1) ... [2018-06-22 10:48:26,093 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:48:26 Unit [2018-06-22 10:48:26,093 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:48:26,094 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:48:26,094 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:48:26,094 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:48:26,118 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:48:26" (1/1) ... [2018-06-22 10:48:26,118 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:48:26" (1/1) ... [2018-06-22 10:48:26,138 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:48:26" (1/1) ... [2018-06-22 10:48:26,146 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:48:26" (1/1) ... [2018-06-22 10:48:26,160 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:48:26" (1/1) ... [2018-06-22 10:48:26,170 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:48:26" (1/1) ... [2018-06-22 10:48:26,174 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:48:26" (1/1) ... [2018-06-22 10:48:26,187 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:48:26,188 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:48:26,188 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:48:26,188 INFO ]: RCFGBuilder initialized [2018-06-22 10:48:26,189 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:48:26" (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 10:48:26,210 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:48:26,210 INFO ]: Found specification of procedure False [2018-06-22 10:48:26,210 INFO ]: Found implementation of procedure False [2018-06-22 10:48:26,210 INFO ]: Specification and implementation of procedure h48 given in one single declaration [2018-06-22 10:48:26,210 INFO ]: Found specification of procedure h48 [2018-06-22 10:48:26,210 INFO ]: Found implementation of procedure h48 [2018-06-22 10:48:26,210 INFO ]: Specification and implementation of procedure h47 given in one single declaration [2018-06-22 10:48:26,210 INFO ]: Found specification of procedure h47 [2018-06-22 10:48:26,210 INFO ]: Found implementation of procedure h47 [2018-06-22 10:48:26,210 INFO ]: Specification and implementation of procedure h46 given in one single declaration [2018-06-22 10:48:26,210 INFO ]: Found specification of procedure h46 [2018-06-22 10:48:26,210 INFO ]: Found implementation of procedure h46 [2018-06-22 10:48:26,210 INFO ]: Specification and implementation of procedure h45 given in one single declaration [2018-06-22 10:48:26,210 INFO ]: Found specification of procedure h45 [2018-06-22 10:48:26,210 INFO ]: Found implementation of procedure h45 [2018-06-22 10:48:26,210 INFO ]: Specification and implementation of procedure h44 given in one single declaration [2018-06-22 10:48:26,210 INFO ]: Found specification of procedure h44 [2018-06-22 10:48:26,210 INFO ]: Found implementation of procedure h44 [2018-06-22 10:48:26,210 INFO ]: Specification and implementation of procedure h43 given in one single declaration [2018-06-22 10:48:26,210 INFO ]: Found specification of procedure h43 [2018-06-22 10:48:26,210 INFO ]: Found implementation of procedure h43 [2018-06-22 10:48:26,210 INFO ]: Specification and implementation of procedure h42 given in one single declaration [2018-06-22 10:48:26,210 INFO ]: Found specification of procedure h42 [2018-06-22 10:48:26,211 INFO ]: Found implementation of procedure h42 [2018-06-22 10:48:26,211 INFO ]: Specification and implementation of procedure h41 given in one single declaration [2018-06-22 10:48:26,211 INFO ]: Found specification of procedure h41 [2018-06-22 10:48:26,211 INFO ]: Found implementation of procedure h41 [2018-06-22 10:48:26,211 INFO ]: Specification and implementation of procedure h40 given in one single declaration [2018-06-22 10:48:26,211 INFO ]: Found specification of procedure h40 [2018-06-22 10:48:26,211 INFO ]: Found implementation of procedure h40 [2018-06-22 10:48:26,211 INFO ]: Specification and implementation of procedure h37 given in one single declaration [2018-06-22 10:48:26,211 INFO ]: Found specification of procedure h37 [2018-06-22 10:48:26,211 INFO ]: Found implementation of procedure h37 [2018-06-22 10:48:26,211 INFO ]: Specification and implementation of procedure h36 given in one single declaration [2018-06-22 10:48:26,211 INFO ]: Found specification of procedure h36 [2018-06-22 10:48:26,211 INFO ]: Found implementation of procedure h36 [2018-06-22 10:48:26,211 INFO ]: Specification and implementation of procedure h35 given in one single declaration [2018-06-22 10:48:26,211 INFO ]: Found specification of procedure h35 [2018-06-22 10:48:26,211 INFO ]: Found implementation of procedure h35 [2018-06-22 10:48:26,211 INFO ]: Specification and implementation of procedure h34 given in one single declaration [2018-06-22 10:48:26,211 INFO ]: Found specification of procedure h34 [2018-06-22 10:48:26,211 INFO ]: Found implementation of procedure h34 [2018-06-22 10:48:26,211 INFO ]: Specification and implementation of procedure h33 given in one single declaration [2018-06-22 10:48:26,211 INFO ]: Found specification of procedure h33 [2018-06-22 10:48:26,211 INFO ]: Found implementation of procedure h33 [2018-06-22 10:48:26,211 INFO ]: Specification and implementation of procedure h32 given in one single declaration [2018-06-22 10:48:26,211 INFO ]: Found specification of procedure h32 [2018-06-22 10:48:26,211 INFO ]: Found implementation of procedure h32 [2018-06-22 10:48:26,211 INFO ]: Specification and implementation of procedure h31 given in one single declaration [2018-06-22 10:48:26,211 INFO ]: Found specification of procedure h31 [2018-06-22 10:48:26,211 INFO ]: Found implementation of procedure h31 [2018-06-22 10:48:26,211 INFO ]: Specification and implementation of procedure h30 given in one single declaration [2018-06-22 10:48:26,211 INFO ]: Found specification of procedure h30 [2018-06-22 10:48:26,211 INFO ]: Found implementation of procedure h30 [2018-06-22 10:48:26,211 INFO ]: Specification and implementation of procedure h29 given in one single declaration [2018-06-22 10:48:26,211 INFO ]: Found specification of procedure h29 [2018-06-22 10:48:26,211 INFO ]: Found implementation of procedure h29 [2018-06-22 10:48:26,211 INFO ]: Specification and implementation of procedure h25 given in one single declaration [2018-06-22 10:48:26,211 INFO ]: Found specification of procedure h25 [2018-06-22 10:48:26,211 INFO ]: Found implementation of procedure h25 [2018-06-22 10:48:26,212 INFO ]: Specification and implementation of procedure h24 given in one single declaration [2018-06-22 10:48:26,212 INFO ]: Found specification of procedure h24 [2018-06-22 10:48:26,212 INFO ]: Found implementation of procedure h24 [2018-06-22 10:48:26,212 INFO ]: Specification and implementation of procedure h23 given in one single declaration Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:48:26,213 INFO ]: Found specification of procedure h23 [2018-06-22 10:48:26,213 INFO ]: Found implementation of procedure h23 [2018-06-22 10:48:26,213 INFO ]: Specification and implementation of procedure h22 given in one single declaration [2018-06-22 10:48:26,213 INFO ]: Found specification of procedure h22 [2018-06-22 10:48:26,213 INFO ]: Found implementation of procedure h22 [2018-06-22 10:48:26,213 INFO ]: Specification and implementation of procedure h21 given in one single declaration [2018-06-22 10:48:26,213 INFO ]: Found specification of procedure h21 [2018-06-22 10:48:26,213 INFO ]: Found implementation of procedure h21 [2018-06-22 10:48:26,213 INFO ]: Specification and implementation of procedure h20 given in one single declaration [2018-06-22 10:48:26,213 INFO ]: Found specification of procedure h20 [2018-06-22 10:48:26,213 INFO ]: Found implementation of procedure h20 [2018-06-22 10:48:26,213 INFO ]: Specification and implementation of procedure h19 given in one single declaration [2018-06-22 10:48:26,213 INFO ]: Found specification of procedure h19 [2018-06-22 10:48:26,213 INFO ]: Found implementation of procedure h19 [2018-06-22 10:48:26,213 INFO ]: Specification and implementation of procedure h18 given in one single declaration [2018-06-22 10:48:26,214 INFO ]: Found specification of procedure h18 [2018-06-22 10:48:26,214 INFO ]: Found implementation of procedure h18 [2018-06-22 10:48:26,214 INFO ]: Specification and implementation of procedure h15 given in one single declaration [2018-06-22 10:48:26,214 INFO ]: Found specification of procedure h15 [2018-06-22 10:48:26,214 INFO ]: Found implementation of procedure h15 [2018-06-22 10:48:26,214 INFO ]: Specification and implementation of procedure h14 given in one single declaration [2018-06-22 10:48:26,214 INFO ]: Found specification of procedure h14 [2018-06-22 10:48:26,214 INFO ]: Found implementation of procedure h14 [2018-06-22 10:48:26,214 INFO ]: Specification and implementation of procedure h13 given in one single declaration [2018-06-22 10:48:26,214 INFO ]: Found specification of procedure h13 [2018-06-22 10:48:26,214 INFO ]: Found implementation of procedure h13 [2018-06-22 10:48:26,214 INFO ]: Specification and implementation of procedure h12 given in one single declaration [2018-06-22 10:48:26,214 INFO ]: Found specification of procedure h12 [2018-06-22 10:48:26,214 INFO ]: Found implementation of procedure h12 [2018-06-22 10:48:26,214 INFO ]: Specification and implementation of procedure h8 given in one single declaration [2018-06-22 10:48:26,214 INFO ]: Found specification of procedure h8 [2018-06-22 10:48:26,214 INFO ]: Found implementation of procedure h8 [2018-06-22 10:48:26,214 INFO ]: Specification and implementation of procedure h7 given in one single declaration [2018-06-22 10:48:26,214 INFO ]: Found specification of procedure h7 [2018-06-22 10:48:26,214 INFO ]: Found implementation of procedure h7 [2018-06-22 10:48:26,214 INFO ]: Specification and implementation of procedure h6 given in one single declaration [2018-06-22 10:48:26,214 INFO ]: Found specification of procedure h6 [2018-06-22 10:48:26,214 INFO ]: Found implementation of procedure h6 [2018-06-22 10:48:26,214 INFO ]: Specification and implementation of procedure h5 given in one single declaration [2018-06-22 10:48:26,214 INFO ]: Found specification of procedure h5 [2018-06-22 10:48:26,214 INFO ]: Found implementation of procedure h5 [2018-06-22 10:48:26,214 INFO ]: Specification and implementation of procedure h10 given in one single declaration [2018-06-22 10:48:26,214 INFO ]: Found specification of procedure h10 [2018-06-22 10:48:26,214 INFO ]: Found implementation of procedure h10 [2018-06-22 10:48:26,214 INFO ]: Specification and implementation of procedure h9 given in one single declaration [2018-06-22 10:48:26,214 INFO ]: Found specification of procedure h9 [2018-06-22 10:48:26,214 INFO ]: Found implementation of procedure h9 [2018-06-22 10:48:26,214 INFO ]: Specification and implementation of procedure h11 given in one single declaration [2018-06-22 10:48:26,214 INFO ]: Found specification of procedure h11 [2018-06-22 10:48:26,214 INFO ]: Found implementation of procedure h11 [2018-06-22 10:48:26,214 INFO ]: Specification and implementation of procedure h4 given in one single declaration [2018-06-22 10:48:26,214 INFO ]: Found specification of procedure h4 [2018-06-22 10:48:26,214 INFO ]: Found implementation of procedure h4 [2018-06-22 10:48:26,214 INFO ]: Specification and implementation of procedure h3 given in one single declaration [2018-06-22 10:48:26,215 INFO ]: Found specification of procedure h3 [2018-06-22 10:48:26,215 INFO ]: Found implementation of procedure h3 [2018-06-22 10:48:26,215 INFO ]: Specification and implementation of procedure h2 given in one single declaration [2018-06-22 10:48:26,215 INFO ]: Found specification of procedure h2 [2018-06-22 10:48:26,215 INFO ]: Found implementation of procedure h2 [2018-06-22 10:48:26,215 INFO ]: Specification and implementation of procedure h1 given in one single declaration [2018-06-22 10:48:26,215 INFO ]: Found specification of procedure h1 [2018-06-22 10:48:26,215 INFO ]: Found implementation of procedure h1 [2018-06-22 10:48:26,215 INFO ]: Specification and implementation of procedure h17 given in one single declaration [2018-06-22 10:48:26,215 INFO ]: Found specification of procedure h17 [2018-06-22 10:48:26,215 INFO ]: Found implementation of procedure h17 [2018-06-22 10:48:26,215 INFO ]: Specification and implementation of procedure h16 given in one single declaration [2018-06-22 10:48:26,215 INFO ]: Found specification of procedure h16 [2018-06-22 10:48:26,215 INFO ]: Found implementation of procedure h16 [2018-06-22 10:48:26,215 INFO ]: Specification and implementation of procedure h27 given in one single declaration [2018-06-22 10:48:26,215 INFO ]: Found specification of procedure h27 [2018-06-22 10:48:26,215 INFO ]: Found implementation of procedure h27 [2018-06-22 10:48:26,215 INFO ]: Specification and implementation of procedure h26 given in one single declaration [2018-06-22 10:48:26,215 INFO ]: Found specification of procedure h26 [2018-06-22 10:48:26,215 INFO ]: Found implementation of procedure h26 [2018-06-22 10:48:26,215 INFO ]: Specification and implementation of procedure h28 given in one single declaration [2018-06-22 10:48:26,215 INFO ]: Found specification of procedure h28 [2018-06-22 10:48:26,215 INFO ]: Found implementation of procedure h28 [2018-06-22 10:48:26,215 INFO ]: Specification and implementation of procedure h39 given in one single declaration [2018-06-22 10:48:26,215 INFO ]: Found specification of procedure h39 [2018-06-22 10:48:26,215 INFO ]: Found implementation of procedure h39 [2018-06-22 10:48:26,215 INFO ]: Specification and implementation of procedure h38 given in one single declaration [2018-06-22 10:48:26,215 INFO ]: Found specification of procedure h38 [2018-06-22 10:48:26,215 INFO ]: Found implementation of procedure h38 [2018-06-22 10:48:26,215 INFO ]: Specification and implementation of procedure h52 given in one single declaration [2018-06-22 10:48:26,215 INFO ]: Found specification of procedure h52 [2018-06-22 10:48:26,215 INFO ]: Found implementation of procedure h52 [2018-06-22 10:48:26,215 INFO ]: Specification and implementation of procedure h51 given in one single declaration [2018-06-22 10:48:26,215 INFO ]: Found specification of procedure h51 [2018-06-22 10:48:26,215 INFO ]: Found implementation of procedure h51 [2018-06-22 10:48:26,215 INFO ]: Specification and implementation of procedure h50 given in one single declaration [2018-06-22 10:48:26,215 INFO ]: Found specification of procedure h50 [2018-06-22 10:48:26,215 INFO ]: Found implementation of procedure h50 [2018-06-22 10:48:26,215 INFO ]: Specification and implementation of procedure h49 given in one single declaration [2018-06-22 10:48:26,215 INFO ]: Found specification of procedure h49 [2018-06-22 10:48:26,216 INFO ]: Found implementation of procedure h49 [2018-06-22 10:48:26,216 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:48:26,216 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:48:26,216 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 10:48:27,559 INFO ]: Using library mode [2018-06-22 10:48:27,559 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:48:27 BoogieIcfgContainer [2018-06-22 10:48:27,559 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:48:27,563 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:48:27,563 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:48:27,566 INFO ]: TraceAbstraction initialized [2018-06-22 10:48:27,566 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:48:26" (1/3) ... [2018-06-22 10:48:27,567 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74cd396f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:48:27, skipping insertion in model container [2018-06-22 10:48:27,567 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:48:26" (2/3) ... [2018-06-22 10:48:27,568 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74cd396f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:48:27, skipping insertion in model container [2018-06-22 10:48:27,568 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:48:27" (3/3) ... [2018-06-22 10:48:27,575 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:48:27,584 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:48:27,591 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:48:27,632 INFO ]: Using default assertion order modulation [2018-06-22 10:48:27,632 INFO ]: Interprodecural is true [2018-06-22 10:48:27,632 INFO ]: Hoare is false [2018-06-22 10:48:27,632 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:48:27,632 INFO ]: Backedges is TWOTRACK [2018-06-22 10:48:27,632 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:48:27,632 INFO ]: Difference is false [2018-06-22 10:48:27,632 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:48:27,632 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:48:27,655 INFO ]: Start isEmpty. Operand 224 states. [2018-06-22 10:48:27,678 INFO ]: Finished isEmpty. Found accepting run of length 158 [2018-06-22 10:48:27,679 INFO ]: Found error trace [2018-06-22 10:48:27,680 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:27,680 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:48:27,684 INFO ]: Analyzing trace with hash 1670270793, now seen corresponding path program 1 times [2018-06-22 10:48:27,685 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:48:27,686 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:48:27,729 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:27,729 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:48:27,729 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:27,921 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:48:28,316 WARN ]: Spent 101.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 4 [2018-06-22 10:48:29,927 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:48:29,929 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:48:29,929 INFO ]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2018-06-22 10:48:29,932 INFO ]: Interpolant automaton has 39 states [2018-06-22 10:48:29,947 INFO ]: Constructing interpolant automaton starting with 39 interpolants. [2018-06-22 10:48:29,949 INFO ]: CoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2018-06-22 10:48:29,951 INFO ]: Start difference. First operand 224 states. Second operand 39 states. [2018-06-22 10:48:32,612 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:48:32,612 INFO ]: Finished difference Result 288 states and 310 transitions. [2018-06-22 10:48:32,612 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-06-22 10:48:32,613 INFO ]: Start accepts. Automaton has 39 states. Word has length 157 [2018-06-22 10:48:32,615 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:48:32,632 INFO ]: With dead ends: 288 [2018-06-22 10:48:32,632 INFO ]: Without dead ends: 288 [2018-06-22 10:48:32,634 INFO ]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2018-06-22 10:48:32,646 INFO ]: Start minimizeSevpa. Operand 288 states. [2018-06-22 10:48:32,705 INFO ]: Finished minimizeSevpa. Reduced states from 288 to 288. [2018-06-22 10:48:32,707 INFO ]: Start removeUnreachable. Operand 288 states. [2018-06-22 10:48:32,711 INFO ]: Finished removeUnreachable. Reduced from 288 states to 288 states and 310 transitions. [2018-06-22 10:48:32,712 INFO ]: Start accepts. Automaton has 288 states and 310 transitions. Word has length 157 [2018-06-22 10:48:32,713 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:48:32,713 INFO ]: Abstraction has 288 states and 310 transitions. [2018-06-22 10:48:32,713 INFO ]: Interpolant automaton has 39 states. [2018-06-22 10:48:32,713 INFO ]: Start isEmpty. Operand 288 states and 310 transitions. [2018-06-22 10:48:32,718 INFO ]: Finished isEmpty. Found accepting run of length 162 [2018-06-22 10:48:32,718 INFO ]: Found error trace [2018-06-22 10:48:32,719 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:32,719 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:48:32,719 INFO ]: Analyzing trace with hash -990240217, now seen corresponding path program 1 times [2018-06-22 10:48:32,719 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:48:32,719 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:48:32,720 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:32,720 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:48:32,720 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:32,769 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:48:34,234 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:48:34,235 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:48:34,235 INFO ]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2018-06-22 10:48:34,237 INFO ]: Interpolant automaton has 40 states [2018-06-22 10:48:34,237 INFO ]: Constructing interpolant automaton starting with 40 interpolants. [2018-06-22 10:48:34,238 INFO ]: CoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2018-06-22 10:48:34,238 INFO ]: Start difference. First operand 288 states and 310 transitions. Second operand 40 states. [2018-06-22 10:48:35,690 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:48:35,690 INFO ]: Finished difference Result 340 states and 366 transitions. [2018-06-22 10:48:35,691 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-06-22 10:48:35,691 INFO ]: Start accepts. Automaton has 40 states. Word has length 161 [2018-06-22 10:48:35,692 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:48:35,704 INFO ]: With dead ends: 340 [2018-06-22 10:48:35,704 INFO ]: Without dead ends: 340 [2018-06-22 10:48:35,705 INFO ]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2018-06-22 10:48:35,706 INFO ]: Start minimizeSevpa. Operand 340 states. [2018-06-22 10:48:35,752 INFO ]: Finished minimizeSevpa. Reduced states from 340 to 292. [2018-06-22 10:48:35,752 INFO ]: Start removeUnreachable. Operand 292 states. [2018-06-22 10:48:35,757 INFO ]: Finished removeUnreachable. Reduced from 292 states to 292 states and 314 transitions. [2018-06-22 10:48:35,757 INFO ]: Start accepts. Automaton has 292 states and 314 transitions. Word has length 161 [2018-06-22 10:48:35,758 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:48:35,758 INFO ]: Abstraction has 292 states and 314 transitions. [2018-06-22 10:48:35,758 INFO ]: Interpolant automaton has 40 states. [2018-06-22 10:48:35,758 INFO ]: Start isEmpty. Operand 292 states and 314 transitions. [2018-06-22 10:48:35,769 INFO ]: Finished isEmpty. Found accepting run of length 178 [2018-06-22 10:48:35,769 INFO ]: Found error trace [2018-06-22 10:48:35,769 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:48:35,769 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:48:35,769 INFO ]: Analyzing trace with hash 207681103, now seen corresponding path program 1 times [2018-06-22 10:48:35,769 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:48:35,769 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:48:35,770 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:35,770 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:48:35,770 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:35,794 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:48:35,984 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:48:35,984 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:48:35,984 INFO ]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-06-22 10:48:35,985 INFO ]: Interpolant automaton has 8 states [2018-06-22 10:48:35,985 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-22 10:48:35,985 INFO ]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-06-22 10:48:35,985 INFO ]: Start difference. First operand 292 states and 314 transitions. Second operand 8 states. [2018-06-22 10:48:36,098 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:48:36,098 INFO ]: Finished difference Result 319 states and 349 transitions. [2018-06-22 10:48:36,099 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-22 10:48:36,099 INFO ]: Start accepts. Automaton has 8 states. Word has length 177 [2018-06-22 10:48:36,099 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:48:36,108 INFO ]: With dead ends: 319 [2018-06-22 10:48:36,108 INFO ]: Without dead ends: 319 [2018-06-22 10:48:36,109 INFO ]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-06-22 10:48:36,109 INFO ]: Start minimizeSevpa. Operand 319 states. [2018-06-22 10:48:36,136 INFO ]: Finished minimizeSevpa. Reduced states from 319 to 317. [2018-06-22 10:48:36,136 INFO ]: Start removeUnreachable. Operand 317 states. [2018-06-22 10:48:36,139 INFO ]: Finished removeUnreachable. Reduced from 317 states to 317 states and 346 transitions. [2018-06-22 10:48:36,139 INFO ]: Start accepts. Automaton has 317 states and 346 transitions. Word has length 177 [2018-06-22 10:48:36,140 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:48:36,140 INFO ]: Abstraction has 317 states and 346 transitions. [2018-06-22 10:48:36,140 INFO ]: Interpolant automaton has 8 states. [2018-06-22 10:48:36,140 INFO ]: Start isEmpty. Operand 317 states and 346 transitions. [2018-06-22 10:48:36,144 INFO ]: Finished isEmpty. Found accepting run of length 178 [2018-06-22 10:48:36,144 INFO ]: Found error trace [2018-06-22 10:48:36,144 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:48:36,144 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:48:36,145 INFO ]: Analyzing trace with hash -320103726, now seen corresponding path program 1 times [2018-06-22 10:48:36,145 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:48:36,145 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:48:36,145 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:36,145 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:48:36,145 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:36,165 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:48:36,930 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:48:36,930 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:48:36,930 INFO ]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-06-22 10:48:36,931 INFO ]: Interpolant automaton has 8 states [2018-06-22 10:48:36,931 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-22 10:48:36,931 INFO ]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-06-22 10:48:36,931 INFO ]: Start difference. First operand 317 states and 346 transitions. Second operand 8 states. [2018-06-22 10:48:37,020 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:48:37,020 INFO ]: Finished difference Result 352 states and 391 transitions. [2018-06-22 10:48:37,021 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-22 10:48:37,021 INFO ]: Start accepts. Automaton has 8 states. Word has length 177 [2018-06-22 10:48:37,022 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:48:37,024 INFO ]: With dead ends: 352 [2018-06-22 10:48:37,024 INFO ]: Without dead ends: 282 [2018-06-22 10:48:37,024 INFO ]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-06-22 10:48:37,024 INFO ]: Start minimizeSevpa. Operand 282 states. [2018-06-22 10:48:37,044 INFO ]: Finished minimizeSevpa. Reduced states from 282 to 282. [2018-06-22 10:48:37,044 INFO ]: Start removeUnreachable. Operand 282 states. [2018-06-22 10:48:37,046 INFO ]: Finished removeUnreachable. Reduced from 282 states to 282 states and 298 transitions. [2018-06-22 10:48:37,046 INFO ]: Start accepts. Automaton has 282 states and 298 transitions. Word has length 177 [2018-06-22 10:48:37,046 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:48:37,046 INFO ]: Abstraction has 282 states and 298 transitions. [2018-06-22 10:48:37,046 INFO ]: Interpolant automaton has 8 states. [2018-06-22 10:48:37,047 INFO ]: Start isEmpty. Operand 282 states and 298 transitions. [2018-06-22 10:48:37,050 INFO ]: Finished isEmpty. Found accepting run of length 182 [2018-06-22 10:48:37,050 INFO ]: Found error trace [2018-06-22 10:48:37,050 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, 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 10:48:37,050 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:48:37,050 INFO ]: Analyzing trace with hash -1313181996, now seen corresponding path program 1 times [2018-06-22 10:48:37,050 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:48:37,050 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:48:37,051 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:37,051 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:48:37,051 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:37,082 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:48:37,449 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:48:37,449 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:48:37,449 INFO ]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-06-22 10:48:37,449 INFO ]: Interpolant automaton has 9 states [2018-06-22 10:48:37,449 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 10:48:37,449 INFO ]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:48:37,450 INFO ]: Start difference. First operand 282 states and 298 transitions. Second operand 9 states. [2018-06-22 10:48:37,616 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:48:37,616 INFO ]: Finished difference Result 313 states and 338 transitions. [2018-06-22 10:48:37,616 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 10:48:37,616 INFO ]: Start accepts. Automaton has 9 states. Word has length 181 [2018-06-22 10:48:37,617 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:48:37,619 INFO ]: With dead ends: 313 [2018-06-22 10:48:37,619 INFO ]: Without dead ends: 313 [2018-06-22 10:48:37,620 INFO ]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:48:37,620 INFO ]: Start minimizeSevpa. Operand 313 states. [2018-06-22 10:48:37,640 INFO ]: Finished minimizeSevpa. Reduced states from 313 to 311. [2018-06-22 10:48:37,640 INFO ]: Start removeUnreachable. Operand 311 states. [2018-06-22 10:48:37,645 INFO ]: Finished removeUnreachable. Reduced from 311 states to 311 states and 335 transitions. [2018-06-22 10:48:37,645 INFO ]: Start accepts. Automaton has 311 states and 335 transitions. Word has length 181 [2018-06-22 10:48:37,646 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:48:37,646 INFO ]: Abstraction has 311 states and 335 transitions. [2018-06-22 10:48:37,646 INFO ]: Interpolant automaton has 9 states. [2018-06-22 10:48:37,646 INFO ]: Start isEmpty. Operand 311 states and 335 transitions. [2018-06-22 10:48:37,654 INFO ]: Finished isEmpty. Found accepting run of length 182 [2018-06-22 10:48:37,655 INFO ]: Found error trace [2018-06-22 10:48:37,655 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, 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 10:48:37,655 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:48:37,655 INFO ]: Analyzing trace with hash 1187936404, now seen corresponding path program 1 times [2018-06-22 10:48:37,655 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:48:37,655 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:48:37,656 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:37,656 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:48:37,656 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:37,695 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:48:38,489 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:48:38,489 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:48:38,489 INFO ]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-06-22 10:48:38,489 INFO ]: Interpolant automaton has 9 states [2018-06-22 10:48:38,489 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 10:48:38,490 INFO ]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:48:38,490 INFO ]: Start difference. First operand 311 states and 335 transitions. Second operand 9 states. [2018-06-22 10:48:38,699 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:48:38,699 INFO ]: Finished difference Result 342 states and 374 transitions. [2018-06-22 10:48:38,699 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 10:48:38,699 INFO ]: Start accepts. Automaton has 9 states. Word has length 181 [2018-06-22 10:48:38,700 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:48:38,702 INFO ]: With dead ends: 342 [2018-06-22 10:48:38,702 INFO ]: Without dead ends: 342 [2018-06-22 10:48:38,702 INFO ]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:48:38,703 INFO ]: Start minimizeSevpa. Operand 342 states. [2018-06-22 10:48:38,720 INFO ]: Finished minimizeSevpa. Reduced states from 342 to 340. [2018-06-22 10:48:38,720 INFO ]: Start removeUnreachable. Operand 340 states. [2018-06-22 10:48:38,723 INFO ]: Finished removeUnreachable. Reduced from 340 states to 340 states and 371 transitions. [2018-06-22 10:48:38,723 INFO ]: Start accepts. Automaton has 340 states and 371 transitions. Word has length 181 [2018-06-22 10:48:38,725 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:48:38,725 INFO ]: Abstraction has 340 states and 371 transitions. [2018-06-22 10:48:38,725 INFO ]: Interpolant automaton has 9 states. [2018-06-22 10:48:38,725 INFO ]: Start isEmpty. Operand 340 states and 371 transitions. [2018-06-22 10:48:38,728 INFO ]: Finished isEmpty. Found accepting run of length 182 [2018-06-22 10:48:38,728 INFO ]: Found error trace [2018-06-22 10:48:38,728 INFO ]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:38,728 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:48:38,729 INFO ]: Analyzing trace with hash -1899275120, now seen corresponding path program 1 times [2018-06-22 10:48:38,729 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:48:38,729 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:48:38,730 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:38,730 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:48:38,730 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:38,779 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:48:39,981 INFO ]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:48:39,981 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:48:39,982 INFO ]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2018-06-22 10:48:39,982 INFO ]: Interpolant automaton has 32 states [2018-06-22 10:48:39,982 INFO ]: Constructing interpolant automaton starting with 32 interpolants. [2018-06-22 10:48:39,983 INFO ]: CoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2018-06-22 10:48:39,983 INFO ]: Start difference. First operand 340 states and 371 transitions. Second operand 32 states. [2018-06-22 10:48:40,765 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:48:40,765 INFO ]: Finished difference Result 396 states and 428 transitions. [2018-06-22 10:48:40,768 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-06-22 10:48:40,768 INFO ]: Start accepts. Automaton has 32 states. Word has length 181 [2018-06-22 10:48:40,769 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:48:40,771 INFO ]: With dead ends: 396 [2018-06-22 10:48:40,771 INFO ]: Without dead ends: 356 [2018-06-22 10:48:40,771 INFO ]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=69, Invalid=1053, Unknown=0, NotChecked=0, Total=1122 [2018-06-22 10:48:40,771 INFO ]: Start minimizeSevpa. Operand 356 states. [2018-06-22 10:48:40,788 INFO ]: Finished minimizeSevpa. Reduced states from 356 to 348. [2018-06-22 10:48:40,788 INFO ]: Start removeUnreachable. Operand 348 states. [2018-06-22 10:48:40,791 INFO ]: Finished removeUnreachable. Reduced from 348 states to 348 states and 379 transitions. [2018-06-22 10:48:40,791 INFO ]: Start accepts. Automaton has 348 states and 379 transitions. Word has length 181 [2018-06-22 10:48:40,792 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:48:40,792 INFO ]: Abstraction has 348 states and 379 transitions. [2018-06-22 10:48:40,792 INFO ]: Interpolant automaton has 32 states. [2018-06-22 10:48:40,792 INFO ]: Start isEmpty. Operand 348 states and 379 transitions. [2018-06-22 10:48:40,794 INFO ]: Finished isEmpty. Found accepting run of length 182 [2018-06-22 10:48:40,794 INFO ]: Found error trace [2018-06-22 10:48:40,794 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, 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 10:48:40,794 INFO ]: === Iteration 8 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:48:40,794 INFO ]: Analyzing trace with hash -646870735, now seen corresponding path program 1 times [2018-06-22 10:48:40,794 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:48:40,794 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:48:40,795 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:40,795 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:48:40,795 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:40,820 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:48:41,060 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:48:41,060 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:48:41,060 INFO ]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-06-22 10:48:41,061 INFO ]: Interpolant automaton has 9 states [2018-06-22 10:48:41,061 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 10:48:41,061 INFO ]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:48:41,061 INFO ]: Start difference. First operand 348 states and 379 transitions. Second operand 9 states. [2018-06-22 10:48:41,508 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:48:41,508 INFO ]: Finished difference Result 345 states and 386 transitions. [2018-06-22 10:48:41,509 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 10:48:41,509 INFO ]: Start accepts. Automaton has 9 states. Word has length 181 [2018-06-22 10:48:41,509 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:48:41,510 INFO ]: With dead ends: 345 [2018-06-22 10:48:41,510 INFO ]: Without dead ends: 218 [2018-06-22 10:48:41,510 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 10:48:41,511 INFO ]: Start minimizeSevpa. Operand 218 states. [2018-06-22 10:48:41,518 INFO ]: Finished minimizeSevpa. Reduced states from 218 to 218. [2018-06-22 10:48:41,518 INFO ]: Start removeUnreachable. Operand 218 states. [2018-06-22 10:48:41,519 INFO ]: Finished removeUnreachable. Reduced from 218 states to 218 states and 231 transitions. [2018-06-22 10:48:41,520 INFO ]: Start accepts. Automaton has 218 states and 231 transitions. Word has length 181 [2018-06-22 10:48:41,520 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:48:41,520 INFO ]: Abstraction has 218 states and 231 transitions. [2018-06-22 10:48:41,520 INFO ]: Interpolant automaton has 9 states. [2018-06-22 10:48:41,520 INFO ]: Start isEmpty. Operand 218 states and 231 transitions. [2018-06-22 10:48:41,521 INFO ]: Finished isEmpty. Found accepting run of length 182 [2018-06-22 10:48:41,521 INFO ]: Found error trace [2018-06-22 10:48:41,521 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, 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 10:48:41,521 INFO ]: === Iteration 9 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:48:41,522 INFO ]: Analyzing trace with hash 1124161815, now seen corresponding path program 1 times [2018-06-22 10:48:41,522 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:48:41,522 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:48:41,522 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:41,522 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:48:41,522 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:48:41,550 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:48:41,782 WARN ]: Spent 103.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 4 [2018-06-22 10:48:41,850 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:48:41,850 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:48:41,850 INFO ]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-06-22 10:48:41,850 INFO ]: Interpolant automaton has 9 states [2018-06-22 10:48:41,851 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 10:48:41,851 INFO ]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:48:41,851 INFO ]: Start difference. First operand 218 states and 231 transitions. Second operand 9 states. [2018-06-22 10:48:41,969 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:48:41,969 INFO ]: Finished difference Result 181 states and 205 transitions. [2018-06-22 10:48:41,971 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 10:48:41,971 INFO ]: Start accepts. Automaton has 9 states. Word has length 181 [2018-06-22 10:48:41,971 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:48:41,971 INFO ]: With dead ends: 181 [2018-06-22 10:48:41,971 INFO ]: Without dead ends: 0 [2018-06-22 10:48:41,971 INFO ]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:48:41,971 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 10:48:41,971 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 10:48:41,971 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 10:48:41,971 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 10:48:41,971 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2018-06-22 10:48:41,972 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:48:41,972 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 10:48:41,972 INFO ]: Interpolant automaton has 9 states. [2018-06-22 10:48:41,972 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 10:48:41,972 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 10:48:41,976 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:48:41 BoogieIcfgContainer [2018-06-22 10:48:41,976 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:48:41,977 INFO ]: Toolchain (without parser) took 15973.67 ms. Allocated memory was 308.8 MB in the beginning and 490.7 MB in the end (delta: 181.9 MB). Free memory was 216.8 MB in the beginning and 300.5 MB in the end (delta: -83.7 MB). Peak memory consumption was 98.2 MB. Max. memory is 3.6 GB. [2018-06-22 10:48:41,978 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:48:41,978 INFO ]: ChcToBoogie took 83.98 ms. Allocated memory is still 308.8 MB. Free memory was 214.8 MB in the beginning and 212.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:48:41,979 INFO ]: Boogie Preprocessor took 93.34 ms. Allocated memory is still 308.8 MB. Free memory was 212.8 MB in the beginning and 210.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:48:41,979 INFO ]: RCFGBuilder took 1371.37 ms. Allocated memory was 308.8 MB in the beginning and 325.6 MB in the end (delta: 16.8 MB). Free memory was 210.8 MB in the beginning and 261.1 MB in the end (delta: -50.3 MB). Peak memory consumption was 28.1 MB. Max. memory is 3.6 GB. [2018-06-22 10:48:41,980 INFO ]: TraceAbstraction took 14413.00 ms. Allocated memory was 325.6 MB in the beginning and 490.7 MB in the end (delta: 165.2 MB). Free memory was 261.1 MB in the beginning and 300.5 MB in the end (delta: -39.3 MB). Peak memory consumption was 125.8 MB. Max. memory is 3.6 GB. [2018-06-22 10:48:41,989 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 83.98 ms. Allocated memory is still 308.8 MB. Free memory was 214.8 MB in the beginning and 212.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 93.34 ms. Allocated memory is still 308.8 MB. Free memory was 212.8 MB in the beginning and 210.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1371.37 ms. Allocated memory was 308.8 MB in the beginning and 325.6 MB in the end (delta: 16.8 MB). Free memory was 210.8 MB in the beginning and 261.1 MB in the end (delta: -50.3 MB). Peak memory consumption was 28.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 14413.00 ms. Allocated memory was 325.6 MB in the beginning and 490.7 MB in the end (delta: 165.2 MB). Free memory was 261.1 MB in the beginning and 300.5 MB in the end (delta: -39.3 MB). Peak memory consumption was 125.8 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 54 procedures, 224 locations, 1 error locations. SAFE Result, 14.3s OverallTime, 9 OverallIterations, 2 TraceHistogramMax, 6.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1984 SDtfs, 52 SDslu, 30918 SDs, 0 SdLazy, 4974 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=348occurred 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: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 62 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 1577 NumberOfCodeBlocks, 1577 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1568 ConstructedInterpolants, 0 QuantifiedInterpolants, 398192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 97/97 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/09.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-48-42-005.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/09.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-48-42-005.csv Received shutdown request...