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/40.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:55:46,271 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:55:46,274 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:55:46,286 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:55:46,286 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:55:46,287 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:55:46,289 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:55:46,290 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:55:46,292 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:55:46,293 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:55:46,293 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:55:46,294 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:55:46,295 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:55:46,298 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:55:46,298 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:55:46,299 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:55:46,303 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:55:46,305 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:55:46,319 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:55:46,320 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:55:46,321 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:55:46,323 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:55:46,323 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:55:46,323 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:55:46,324 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:55:46,325 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:55:46,325 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:55:46,329 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:55:46,330 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:55:46,330 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:55:46,331 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:55:46,331 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:55:46,331 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:55:46,338 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:55:46,338 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:55:46,339 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 10:55:46,359 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:55:46,359 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:55:46,360 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:55:46,360 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:55:46,361 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:55:46,361 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:55:46,361 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:55:46,361 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:55:46,362 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:55:46,362 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:55:46,363 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:55:46,363 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:55:46,363 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:55:46,363 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:55:46,363 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:55:46,364 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:55:46,364 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:55:46,364 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:55:46,364 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:55:46,365 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:55:46,366 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:55:46,410 INFO ]: Repository-Root is: /tmp [2018-06-22 10:55:46,428 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:55:46,433 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:55:46,435 INFO ]: Initializing SmtParser... [2018-06-22 10:55:46,435 INFO ]: SmtParser initialized [2018-06-22 10:55:46,435 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/HOLA/40.c.smt2 [2018-06-22 10:55:46,437 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 10:55:46,531 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/40.c.smt2 unknown [2018-06-22 10:55:47,229 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/40.c.smt2 [2018-06-22 10:55:47,234 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:55:47,239 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:55:47,239 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:55:47,239 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:55:47,240 INFO ]: ChcToBoogie initialized [2018-06-22 10:55:47,243 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:55:47" (1/1) ... [2018-06-22 10:55:47,306 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:47 Unit [2018-06-22 10:55:47,306 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:55:47,307 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:55:47,307 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:55:47,307 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:55:47,329 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:47" (1/1) ... [2018-06-22 10:55:47,329 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:47" (1/1) ... [2018-06-22 10:55:47,341 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:47" (1/1) ... [2018-06-22 10:55:47,342 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:47" (1/1) ... [2018-06-22 10:55:47,350 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:47" (1/1) ... [2018-06-22 10:55:47,353 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:47" (1/1) ... [2018-06-22 10:55:47,357 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:47" (1/1) ... [2018-06-22 10:55:47,365 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:55:47,366 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:55:47,366 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:55:47,366 INFO ]: RCFGBuilder initialized [2018-06-22 10:55:47,367 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:47" (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 10:55:47,375 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:55:47,375 INFO ]: Found specification of procedure False [2018-06-22 10:55:47,375 INFO ]: Found implementation of procedure False [2018-06-22 10:55:47,375 INFO ]: Specification and implementation of procedure h47 given in one single declaration [2018-06-22 10:55:47,375 INFO ]: Found specification of procedure h47 [2018-06-22 10:55:47,375 INFO ]: Found implementation of procedure h47 [2018-06-22 10:55:47,375 INFO ]: Specification and implementation of procedure h42 given in one single declaration [2018-06-22 10:55:47,375 INFO ]: Found specification of procedure h42 [2018-06-22 10:55:47,375 INFO ]: Found implementation of procedure h42 [2018-06-22 10:55:47,376 INFO ]: Specification and implementation of procedure h41 given in one single declaration [2018-06-22 10:55:47,376 INFO ]: Found specification of procedure h41 [2018-06-22 10:55:47,376 INFO ]: Found implementation of procedure h41 [2018-06-22 10:55:47,376 INFO ]: Specification and implementation of procedure h40 given in one single declaration [2018-06-22 10:55:47,376 INFO ]: Found specification of procedure h40 [2018-06-22 10:55:47,376 INFO ]: Found implementation of procedure h40 [2018-06-22 10:55:47,376 INFO ]: Specification and implementation of procedure h39 given in one single declaration [2018-06-22 10:55:47,376 INFO ]: Found specification of procedure h39 [2018-06-22 10:55:47,376 INFO ]: Found implementation of procedure h39 [2018-06-22 10:55:47,376 INFO ]: Specification and implementation of procedure h38 given in one single declaration [2018-06-22 10:55:47,376 INFO ]: Found specification of procedure h38 [2018-06-22 10:55:47,376 INFO ]: Found implementation of procedure h38 [2018-06-22 10:55:47,376 INFO ]: Specification and implementation of procedure h37 given in one single declaration [2018-06-22 10:55:47,376 INFO ]: Found specification of procedure h37 [2018-06-22 10:55:47,376 INFO ]: Found implementation of procedure h37 [2018-06-22 10:55:47,376 INFO ]: Specification and implementation of procedure h33 given in one single declaration [2018-06-22 10:55:47,376 INFO ]: Found specification of procedure h33 [2018-06-22 10:55:47,376 INFO ]: Found implementation of procedure h33 [2018-06-22 10:55:47,376 INFO ]: Specification and implementation of procedure h32 given in one single declaration [2018-06-22 10:55:47,376 INFO ]: Found specification of procedure h32 [2018-06-22 10:55:47,376 INFO ]: Found implementation of procedure h32 [2018-06-22 10:55:47,376 INFO ]: Specification and implementation of procedure h31 given in one single declaration [2018-06-22 10:55:47,376 INFO ]: Found specification of procedure h31 [2018-06-22 10:55:47,376 INFO ]: Found implementation of procedure h31 [2018-06-22 10:55:47,376 INFO ]: Specification and implementation of procedure h30 given in one single declaration [2018-06-22 10:55:47,376 INFO ]: Found specification of procedure h30 [2018-06-22 10:55:47,376 INFO ]: Found implementation of procedure h30 [2018-06-22 10:55:47,376 INFO ]: Specification and implementation of procedure h35 given in one single declaration [2018-06-22 10:55:47,376 INFO ]: Found specification of procedure h35 [2018-06-22 10:55:47,376 INFO ]: Found implementation of procedure h35 [2018-06-22 10:55:47,376 INFO ]: Specification and implementation of procedure h34 given in one single declaration [2018-06-22 10:55:47,376 INFO ]: Found specification of procedure h34 [2018-06-22 10:55:47,376 INFO ]: Found implementation of procedure h34 [2018-06-22 10:55:47,377 INFO ]: Specification and implementation of procedure h36 given in one single declaration [2018-06-22 10:55:47,377 INFO ]: Found specification of procedure h36 [2018-06-22 10:55:47,377 INFO ]: Found implementation of procedure h36 [2018-06-22 10:55:47,377 INFO ]: Specification and implementation of procedure h29 given in one single declaration [2018-06-22 10:55:47,377 INFO ]: Found specification of procedure h29 [2018-06-22 10:55:47,377 INFO ]: Found implementation of procedure h29 [2018-06-22 10:55:47,377 INFO ]: Specification and implementation of procedure h28 given in one single declaration [2018-06-22 10:55:47,377 INFO ]: Found specification of procedure h28 [2018-06-22 10:55:47,377 INFO ]: Found implementation of procedure h28 [2018-06-22 10:55:47,377 INFO ]: Specification and implementation of procedure h27 given in one single declaration [2018-06-22 10:55:47,377 INFO ]: Found specification of procedure h27 [2018-06-22 10:55:47,377 INFO ]: Found implementation of procedure h27 [2018-06-22 10:55:47,377 INFO ]: Specification and implementation of procedure h20 given in one single declaration [2018-06-22 10:55:47,377 INFO ]: Found specification of procedure h20 [2018-06-22 10:55:47,377 INFO ]: Found implementation of procedure h20 [2018-06-22 10:55:47,377 INFO ]: Specification and implementation of procedure h19 given in one single declaration [2018-06-22 10:55:47,377 INFO ]: Found specification of procedure h19 [2018-06-22 10:55:47,377 INFO ]: Found implementation of procedure h19 [2018-06-22 10:55:47,377 INFO ]: Specification and implementation of procedure h18 given in one single declaration [2018-06-22 10:55:47,377 INFO ]: Found specification of procedure h18 [2018-06-22 10:55:47,377 INFO ]: Found implementation of procedure h18 [2018-06-22 10:55:47,377 INFO ]: Specification and implementation of procedure h14 given in one single declaration [2018-06-22 10:55:47,377 INFO ]: Found specification of procedure h14 [2018-06-22 10:55:47,377 INFO ]: Found implementation of procedure h14 [2018-06-22 10:55:47,377 INFO ]: Specification and implementation of procedure h13 given in one single declaration [2018-06-22 10:55:47,377 INFO ]: Found specification of procedure h13 [2018-06-22 10:55:47,377 INFO ]: Found implementation of procedure h13 [2018-06-22 10:55:47,377 INFO ]: Specification and implementation of procedure h12 given in one single declaration [2018-06-22 10:55:47,377 INFO ]: Found specification of procedure h12 [2018-06-22 10:55:47,377 INFO ]: Found implementation of procedure h12 [2018-06-22 10:55:47,377 INFO ]: Specification and implementation of procedure h11 given in one single declaration [2018-06-22 10:55:47,377 INFO ]: Found specification of procedure h11 [2018-06-22 10:55:47,377 INFO ]: Found implementation of procedure h11 [2018-06-22 10:55:47,378 INFO ]: Specification and implementation of procedure h23 given in one single declaration [2018-06-22 10:55:47,378 INFO ]: Found specification of procedure h23 [2018-06-22 10:55:47,378 INFO ]: Found implementation of procedure h23 [2018-06-22 10:55:47,378 INFO ]: Specification and implementation of procedure h22 given in one single declaration [2018-06-22 10:55:47,378 INFO ]: Found specification of procedure h22 [2018-06-22 10:55:47,378 INFO ]: Found implementation of procedure h22 [2018-06-22 10:55:47,378 INFO ]: Specification and implementation of procedure h21 given in one single declaration [2018-06-22 10:55:47,378 INFO ]: Found specification of procedure h21 [2018-06-22 10:55:47,378 INFO ]: Found implementation of procedure h21 [2018-06-22 10:55:47,378 INFO ]: Specification and implementation of procedure h16 given in one single declaration [2018-06-22 10:55:47,378 INFO ]: Found specification of procedure h16 [2018-06-22 10:55:47,378 INFO ]: Found implementation of procedure h16 [2018-06-22 10:55:47,378 INFO ]: Specification and implementation of procedure h15 given in one single declaration [2018-06-22 10:55:47,378 INFO ]: Found specification of procedure h15 [2018-06-22 10:55:47,378 INFO ]: Found implementation of procedure h15 [2018-06-22 10:55:47,378 INFO ]: Specification and implementation of procedure h17 given in one single declaration [2018-06-22 10:55:47,378 INFO ]: Found specification of procedure h17 [2018-06-22 10:55:47,378 INFO ]: Found implementation of procedure h17 [2018-06-22 10:55:47,378 INFO ]: Specification and implementation of procedure h10 given in one single declaration [2018-06-22 10:55:47,378 INFO ]: Found specification of procedure h10 [2018-06-22 10:55:47,378 INFO ]: Found implementation of procedure h10 [2018-06-22 10:55:47,378 INFO ]: Specification and implementation of procedure h9 given in one single declaration [2018-06-22 10:55:47,378 INFO ]: Found specification of procedure h9 [2018-06-22 10:55:47,378 INFO ]: Found implementation of procedure h9 [2018-06-22 10:55:47,378 INFO ]: Specification and implementation of procedure h5 given in one single declaration [2018-06-22 10:55:47,378 INFO ]: Found specification of procedure h5 [2018-06-22 10:55:47,378 INFO ]: Found implementation of procedure h5 [2018-06-22 10:55:47,378 INFO ]: Specification and implementation of procedure h6 given in one single declaration [2018-06-22 10:55:47,378 INFO ]: Found specification of procedure h6 [2018-06-22 10:55:47,378 INFO ]: Found implementation of procedure h6 [2018-06-22 10:55:47,378 INFO ]: Specification and implementation of procedure h3 given in one single declaration [2018-06-22 10:55:47,378 INFO ]: Found specification of procedure h3 [2018-06-22 10:55:47,378 INFO ]: Found implementation of procedure h3 [2018-06-22 10:55:47,378 INFO ]: Specification and implementation of procedure h2 given in one single declaration [2018-06-22 10:55:47,378 INFO ]: Found specification of procedure h2 [2018-06-22 10:55:47,378 INFO ]: Found implementation of procedure h2 [2018-06-22 10:55:47,379 INFO ]: Specification and implementation of procedure h1 given in one single declaration [2018-06-22 10:55:47,379 INFO ]: Found specification of procedure h1 [2018-06-22 10:55:47,379 INFO ]: Found implementation of procedure h1 [2018-06-22 10:55:47,379 INFO ]: Specification and implementation of procedure h4 given in one single declaration [2018-06-22 10:55:47,379 INFO ]: Found specification of procedure h4 [2018-06-22 10:55:47,379 INFO ]: Found implementation of procedure h4 [2018-06-22 10:55:47,379 INFO ]: Specification and implementation of procedure h8 given in one single declaration [2018-06-22 10:55:47,379 INFO ]: Found specification of procedure h8 [2018-06-22 10:55:47,379 INFO ]: Found implementation of procedure h8 [2018-06-22 10:55:47,379 INFO ]: Specification and implementation of procedure h7 given in one single declaration [2018-06-22 10:55:47,379 INFO ]: Found specification of procedure h7 [2018-06-22 10:55:47,379 INFO ]: Found implementation of procedure h7 [2018-06-22 10:55:47,379 INFO ]: Specification and implementation of procedure h25 given in one single declaration [2018-06-22 10:55:47,379 INFO ]: Found specification of procedure h25 [2018-06-22 10:55:47,379 INFO ]: Found implementation of procedure h25 [2018-06-22 10:55:47,379 INFO ]: Specification and implementation of procedure h26 given in one single declaration [2018-06-22 10:55:47,379 INFO ]: Found specification of procedure h26 [2018-06-22 10:55:47,379 INFO ]: Found implementation of procedure h26 [2018-06-22 10:55:47,379 INFO ]: Specification and implementation of procedure h24 given in one single declaration [2018-06-22 10:55:47,379 INFO ]: Found specification of procedure h24 [2018-06-22 10:55:47,379 INFO ]: Found implementation of procedure h24 [2018-06-22 10:55:47,379 INFO ]: Specification and implementation of procedure h43 given in one single declaration [2018-06-22 10:55:47,379 INFO ]: Found specification of procedure h43 [2018-06-22 10:55:47,379 INFO ]: Found implementation of procedure h43 [2018-06-22 10:55:47,379 INFO ]: Specification and implementation of procedure h46 given in one single declaration [2018-06-22 10:55:47,379 INFO ]: Found specification of procedure h46 [2018-06-22 10:55:47,379 INFO ]: Found implementation of procedure h46 [2018-06-22 10:55:47,379 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:55:47,379 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:55:47,379 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 10:55:48,292 INFO ]: Using library mode [2018-06-22 10:55:48,292 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:55:48 BoogieIcfgContainer [2018-06-22 10:55:48,292 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:55:48,293 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:55:48,294 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:55:48,300 INFO ]: TraceAbstraction initialized [2018-06-22 10:55:48,300 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:55:47" (1/3) ... [2018-06-22 10:55:48,301 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ecc60b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:55:48, skipping insertion in model container [2018-06-22 10:55:48,301 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:55:47" (2/3) ... [2018-06-22 10:55:48,301 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ecc60b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:55:48, skipping insertion in model container [2018-06-22 10:55:48,301 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:55:48" (3/3) ... [2018-06-22 10:55:48,304 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:55:48,312 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:55:48,323 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:55:48,357 INFO ]: Using default assertion order modulation [2018-06-22 10:55:48,357 INFO ]: Interprodecural is true [2018-06-22 10:55:48,357 INFO ]: Hoare is false [2018-06-22 10:55:48,357 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:55:48,357 INFO ]: Backedges is TWOTRACK [2018-06-22 10:55:48,357 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:55:48,357 INFO ]: Difference is false [2018-06-22 10:55:48,357 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:55:48,357 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:55:48,381 INFO ]: Start isEmpty. Operand 198 states. [2018-06-22 10:55:48,404 INFO ]: Finished isEmpty. Found accepting run of length 118 [2018-06-22 10:55:48,404 INFO ]: Found error trace [2018-06-22 10:55:48,405 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] [2018-06-22 10:55:48,405 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:55:48,411 INFO ]: Analyzing trace with hash -1929882894, now seen corresponding path program 1 times [2018-06-22 10:55:48,413 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:55:48,413 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:55:48,465 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:48,465 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:48,465 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:48,611 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:49,766 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:55:49,769 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:55:49,769 INFO ]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-06-22 10:55:49,771 INFO ]: Interpolant automaton has 16 states [2018-06-22 10:55:49,786 INFO ]: Constructing interpolant automaton starting with 16 interpolants. [2018-06-22 10:55:49,787 INFO ]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-06-22 10:55:49,792 INFO ]: Start difference. First operand 198 states. Second operand 16 states. [2018-06-22 10:55:50,730 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:55:50,730 INFO ]: Finished difference Result 216 states and 238 transitions. [2018-06-22 10:55:50,737 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-06-22 10:55:50,738 INFO ]: Start accepts. Automaton has 16 states. Word has length 117 [2018-06-22 10:55:50,740 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:55:50,759 INFO ]: With dead ends: 216 [2018-06-22 10:55:50,759 INFO ]: Without dead ends: 216 [2018-06-22 10:55:50,761 INFO ]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-06-22 10:55:50,780 INFO ]: Start minimizeSevpa. Operand 216 states. [2018-06-22 10:55:50,826 INFO ]: Finished minimizeSevpa. Reduced states from 216 to 216. [2018-06-22 10:55:50,828 INFO ]: Start removeUnreachable. Operand 216 states. [2018-06-22 10:55:50,831 INFO ]: Finished removeUnreachable. Reduced from 216 states to 216 states and 238 transitions. [2018-06-22 10:55:50,836 INFO ]: Start accepts. Automaton has 216 states and 238 transitions. Word has length 117 [2018-06-22 10:55:50,837 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:55:50,837 INFO ]: Abstraction has 216 states and 238 transitions. [2018-06-22 10:55:50,837 INFO ]: Interpolant automaton has 16 states. [2018-06-22 10:55:50,837 INFO ]: Start isEmpty. Operand 216 states and 238 transitions. [2018-06-22 10:55:50,847 INFO ]: Finished isEmpty. Found accepting run of length 118 [2018-06-22 10:55:50,847 INFO ]: Found error trace [2018-06-22 10:55:50,847 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] [2018-06-22 10:55:50,847 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:55:50,847 INFO ]: Analyzing trace with hash 1487783726, now seen corresponding path program 1 times [2018-06-22 10:55:50,847 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:55:50,847 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:55:50,852 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:50,852 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:50,852 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:50,896 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:51,317 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:55:51,317 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:55:51,317 INFO ]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-06-22 10:55:51,319 INFO ]: Interpolant automaton has 16 states [2018-06-22 10:55:51,319 INFO ]: Constructing interpolant automaton starting with 16 interpolants. [2018-06-22 10:55:51,319 INFO ]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-06-22 10:55:51,319 INFO ]: Start difference. First operand 216 states and 238 transitions. Second operand 16 states. [2018-06-22 10:55:51,640 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:55:51,640 INFO ]: Finished difference Result 216 states and 237 transitions. [2018-06-22 10:55:51,647 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-06-22 10:55:51,647 INFO ]: Start accepts. Automaton has 16 states. Word has length 117 [2018-06-22 10:55:51,648 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:55:51,652 INFO ]: With dead ends: 216 [2018-06-22 10:55:51,652 INFO ]: Without dead ends: 212 [2018-06-22 10:55:51,653 INFO ]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-06-22 10:55:51,653 INFO ]: Start minimizeSevpa. Operand 212 states. [2018-06-22 10:55:51,685 INFO ]: Finished minimizeSevpa. Reduced states from 212 to 212. [2018-06-22 10:55:51,685 INFO ]: Start removeUnreachable. Operand 212 states. [2018-06-22 10:55:51,688 INFO ]: Finished removeUnreachable. Reduced from 212 states to 212 states and 233 transitions. [2018-06-22 10:55:51,688 INFO ]: Start accepts. Automaton has 212 states and 233 transitions. Word has length 117 [2018-06-22 10:55:51,688 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:55:51,688 INFO ]: Abstraction has 212 states and 233 transitions. [2018-06-22 10:55:51,688 INFO ]: Interpolant automaton has 16 states. [2018-06-22 10:55:51,689 INFO ]: Start isEmpty. Operand 212 states and 233 transitions. [2018-06-22 10:55:51,692 INFO ]: Finished isEmpty. Found accepting run of length 118 [2018-06-22 10:55:51,692 INFO ]: Found error trace [2018-06-22 10:55:51,692 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] [2018-06-22 10:55:51,692 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:55:51,692 INFO ]: Analyzing trace with hash -1620306385, now seen corresponding path program 1 times [2018-06-22 10:55:51,692 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:55:51,692 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:55:51,693 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:51,693 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:51,693 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:51,709 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:52,086 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:55:52,086 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:55:52,086 INFO ]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-06-22 10:55:52,087 INFO ]: Interpolant automaton has 16 states [2018-06-22 10:55:52,087 INFO ]: Constructing interpolant automaton starting with 16 interpolants. [2018-06-22 10:55:52,087 INFO ]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-06-22 10:55:52,087 INFO ]: Start difference. First operand 212 states and 233 transitions. Second operand 16 states. [2018-06-22 10:55:52,372 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:55:52,372 INFO ]: Finished difference Result 216 states and 237 transitions. [2018-06-22 10:55:52,373 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-06-22 10:55:52,373 INFO ]: Start accepts. Automaton has 16 states. Word has length 117 [2018-06-22 10:55:52,374 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:55:52,377 INFO ]: With dead ends: 216 [2018-06-22 10:55:52,377 INFO ]: Without dead ends: 216 [2018-06-22 10:55:52,378 INFO ]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-06-22 10:55:52,378 INFO ]: Start minimizeSevpa. Operand 216 states. [2018-06-22 10:55:52,395 INFO ]: Finished minimizeSevpa. Reduced states from 216 to 216. [2018-06-22 10:55:52,395 INFO ]: Start removeUnreachable. Operand 216 states. [2018-06-22 10:55:52,398 INFO ]: Finished removeUnreachable. Reduced from 216 states to 216 states and 237 transitions. [2018-06-22 10:55:52,398 INFO ]: Start accepts. Automaton has 216 states and 237 transitions. Word has length 117 [2018-06-22 10:55:52,398 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:55:52,398 INFO ]: Abstraction has 216 states and 237 transitions. [2018-06-22 10:55:52,398 INFO ]: Interpolant automaton has 16 states. [2018-06-22 10:55:52,399 INFO ]: Start isEmpty. Operand 216 states and 237 transitions. [2018-06-22 10:55:52,401 INFO ]: Finished isEmpty. Found accepting run of length 118 [2018-06-22 10:55:52,401 INFO ]: Found error trace [2018-06-22 10:55:52,401 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] [2018-06-22 10:55:52,401 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:55:52,401 INFO ]: Analyzing trace with hash 553857394, now seen corresponding path program 1 times [2018-06-22 10:55:52,401 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:55:52,402 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:55:52,402 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:52,402 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:52,402 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:52,416 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:52,649 WARN ]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-06-22 10:55:52,826 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:55:52,827 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:55:52,827 INFO ]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-06-22 10:55:52,827 INFO ]: Interpolant automaton has 16 states [2018-06-22 10:55:52,827 INFO ]: Constructing interpolant automaton starting with 16 interpolants. [2018-06-22 10:55:52,827 INFO ]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-06-22 10:55:52,828 INFO ]: Start difference. First operand 216 states and 237 transitions. Second operand 16 states. [2018-06-22 10:55:53,236 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:55:53,236 INFO ]: Finished difference Result 216 states and 236 transitions. [2018-06-22 10:55:53,236 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-06-22 10:55:53,236 INFO ]: Start accepts. Automaton has 16 states. Word has length 117 [2018-06-22 10:55:53,237 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:55:53,239 INFO ]: With dead ends: 216 [2018-06-22 10:55:53,239 INFO ]: Without dead ends: 204 [2018-06-22 10:55:53,239 INFO ]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-06-22 10:55:53,240 INFO ]: Start minimizeSevpa. Operand 204 states. [2018-06-22 10:55:53,255 INFO ]: Finished minimizeSevpa. Reduced states from 204 to 204. [2018-06-22 10:55:53,255 INFO ]: Start removeUnreachable. Operand 204 states. [2018-06-22 10:55:53,257 INFO ]: Finished removeUnreachable. Reduced from 204 states to 204 states and 224 transitions. [2018-06-22 10:55:53,257 INFO ]: Start accepts. Automaton has 204 states and 224 transitions. Word has length 117 [2018-06-22 10:55:53,257 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:55:53,257 INFO ]: Abstraction has 204 states and 224 transitions. [2018-06-22 10:55:53,257 INFO ]: Interpolant automaton has 16 states. [2018-06-22 10:55:53,258 INFO ]: Start isEmpty. Operand 204 states and 224 transitions. [2018-06-22 10:55:53,260 INFO ]: Finished isEmpty. Found accepting run of length 142 [2018-06-22 10:55:53,260 INFO ]: Found error trace [2018-06-22 10:55:53,261 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] [2018-06-22 10:55:53,261 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:55:53,261 INFO ]: Analyzing trace with hash 1382593696, now seen corresponding path program 1 times [2018-06-22 10:55:53,261 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:55:53,261 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:55:53,262 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:53,262 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:53,262 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:53,288 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:53,477 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:55:53,490 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:55:53,490 INFO ]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-06-22 10:55:53,490 INFO ]: Interpolant automaton has 9 states [2018-06-22 10:55:53,491 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 10:55:53,491 INFO ]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:55:53,491 INFO ]: Start difference. First operand 204 states and 224 transitions. Second operand 9 states. [2018-06-22 10:55:53,711 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:55:53,711 INFO ]: Finished difference Result 235 states and 263 transitions. [2018-06-22 10:55:53,711 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 10:55:53,711 INFO ]: Start accepts. Automaton has 9 states. Word has length 141 [2018-06-22 10:55:53,712 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:55:53,714 INFO ]: With dead ends: 235 [2018-06-22 10:55:53,714 INFO ]: Without dead ends: 235 [2018-06-22 10:55:53,714 INFO ]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:55:53,715 INFO ]: Start minimizeSevpa. Operand 235 states. [2018-06-22 10:55:53,741 INFO ]: Finished minimizeSevpa. Reduced states from 235 to 233. [2018-06-22 10:55:53,741 INFO ]: Start removeUnreachable. Operand 233 states. [2018-06-22 10:55:53,744 INFO ]: Finished removeUnreachable. Reduced from 233 states to 233 states and 260 transitions. [2018-06-22 10:55:53,744 INFO ]: Start accepts. Automaton has 233 states and 260 transitions. Word has length 141 [2018-06-22 10:55:53,744 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:55:53,745 INFO ]: Abstraction has 233 states and 260 transitions. [2018-06-22 10:55:53,745 INFO ]: Interpolant automaton has 9 states. [2018-06-22 10:55:53,745 INFO ]: Start isEmpty. Operand 233 states and 260 transitions. [2018-06-22 10:55:53,747 INFO ]: Finished isEmpty. Found accepting run of length 142 [2018-06-22 10:55:53,747 INFO ]: Found error trace [2018-06-22 10:55:53,747 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] [2018-06-22 10:55:53,747 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:55:53,748 INFO ]: Analyzing trace with hash -848077277, now seen corresponding path program 1 times [2018-06-22 10:55:53,748 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:55:53,748 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:55:53,748 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:53,748 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:55:53,748 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:55:53,762 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:55:53,863 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:55:53,863 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:55:53,863 INFO ]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-06-22 10:55:53,863 INFO ]: Interpolant automaton has 9 states [2018-06-22 10:55:53,863 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 10:55:53,863 INFO ]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:55:53,864 INFO ]: Start difference. First operand 233 states and 260 transitions. Second operand 9 states. [2018-06-22 10:55:53,952 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:55:53,952 INFO ]: Finished difference Result 242 states and 279 transitions. [2018-06-22 10:55:53,952 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 10:55:53,953 INFO ]: Start accepts. Automaton has 9 states. Word has length 141 [2018-06-22 10:55:53,953 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:55:53,953 INFO ]: With dead ends: 242 [2018-06-22 10:55:53,953 INFO ]: Without dead ends: 0 [2018-06-22 10:55:53,954 INFO ]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:55:53,954 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 10:55:53,954 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 10:55:53,954 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 10:55:53,954 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 10:55:53,954 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2018-06-22 10:55:53,954 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:55:53,954 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 10:55:53,954 INFO ]: Interpolant automaton has 9 states. [2018-06-22 10:55:53,954 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 10:55:53,954 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 10:55:53,960 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:55:53 BoogieIcfgContainer [2018-06-22 10:55:53,960 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:55:53,961 INFO ]: Toolchain (without parser) took 6726.19 ms. Allocated memory was 308.8 MB in the beginning and 391.6 MB in the end (delta: 82.8 MB). Free memory was 229.4 MB in the beginning and 276.4 MB in the end (delta: -47.0 MB). Peak memory consumption was 35.8 MB. Max. memory is 3.6 GB. [2018-06-22 10:55:53,962 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:55:53,962 INFO ]: ChcToBoogie took 67.28 ms. Allocated memory is still 308.8 MB. Free memory was 229.4 MB in the beginning and 226.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:55:53,962 INFO ]: Boogie Preprocessor took 57.98 ms. Allocated memory is still 308.8 MB. Free memory was 226.4 MB in the beginning and 224.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:55:53,963 INFO ]: RCFGBuilder took 926.90 ms. Allocated memory was 308.8 MB in the beginning and 324.0 MB in the end (delta: 15.2 MB). Free memory was 224.4 MB in the beginning and 281.1 MB in the end (delta: -56.8 MB). Peak memory consumption was 42.5 MB. Max. memory is 3.6 GB. [2018-06-22 10:55:53,963 INFO ]: TraceAbstraction took 5666.16 ms. Allocated memory was 324.0 MB in the beginning and 391.6 MB in the end (delta: 67.6 MB). Free memory was 281.1 MB in the beginning and 276.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 72.4 MB. Max. memory is 3.6 GB. [2018-06-22 10:55:53,965 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 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 67.28 ms. Allocated memory is still 308.8 MB. Free memory was 229.4 MB in the beginning and 226.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 57.98 ms. Allocated memory is still 308.8 MB. Free memory was 226.4 MB in the beginning and 224.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 926.90 ms. Allocated memory was 308.8 MB in the beginning and 324.0 MB in the end (delta: 15.2 MB). Free memory was 224.4 MB in the beginning and 281.1 MB in the end (delta: -56.8 MB). Peak memory consumption was 42.5 MB. Max. memory is 3.6 GB. * TraceAbstraction took 5666.16 ms. Allocated memory was 324.0 MB in the beginning and 391.6 MB in the end (delta: 67.6 MB). Free memory was 281.1 MB in the beginning and 276.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 72.4 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 47 procedures, 198 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1239 SDtfs, 19 SDslu, 14128 SDs, 0 SdLazy, 1192 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 12 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=233occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 750 NumberOfCodeBlocks, 750 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 744 ConstructedInterpolants, 0 QuantifiedInterpolants, 183384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 30/30 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/40.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-55-53-975.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/40.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-55-53-975.csv Received shutdown request...