14.71/6.93 YES 14.71/6.93 14.71/6.93 Ultimate: Cannot open display: 14.71/6.93 This is Ultimate 0.1.24-8dc7c08-m 14.71/6.93 [2019-03-28 22:28:30,376 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.71/6.93 [2019-03-28 22:28:30,378 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.71/6.93 [2019-03-28 22:28:30,390 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.71/6.93 [2019-03-28 22:28:30,390 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.71/6.93 [2019-03-28 22:28:30,391 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.71/6.93 [2019-03-28 22:28:30,392 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.71/6.93 [2019-03-28 22:28:30,394 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.71/6.93 [2019-03-28 22:28:30,395 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.71/6.93 [2019-03-28 22:28:30,396 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.71/6.93 [2019-03-28 22:28:30,397 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.71/6.93 [2019-03-28 22:28:30,397 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.71/6.93 [2019-03-28 22:28:30,398 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.71/6.93 [2019-03-28 22:28:30,399 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.71/6.93 [2019-03-28 22:28:30,400 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.71/6.93 [2019-03-28 22:28:30,401 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.71/6.93 [2019-03-28 22:28:30,402 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.71/6.93 [2019-03-28 22:28:30,403 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.71/6.93 [2019-03-28 22:28:30,405 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.71/6.93 [2019-03-28 22:28:30,407 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.71/6.93 [2019-03-28 22:28:30,408 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.71/6.93 [2019-03-28 22:28:30,409 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.71/6.93 [2019-03-28 22:28:30,411 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.71/6.93 [2019-03-28 22:28:30,411 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.71/6.93 [2019-03-28 22:28:30,411 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.71/6.93 [2019-03-28 22:28:30,413 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.71/6.93 [2019-03-28 22:28:30,413 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.71/6.93 [2019-03-28 22:28:30,414 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.71/6.93 [2019-03-28 22:28:30,414 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.71/6.93 [2019-03-28 22:28:30,415 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.71/6.93 [2019-03-28 22:28:30,416 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.71/6.93 [2019-03-28 22:28:30,416 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.71/6.93 [2019-03-28 22:28:30,417 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.71/6.93 [2019-03-28 22:28:30,417 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.71/6.93 [2019-03-28 22:28:30,418 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.71/6.93 [2019-03-28 22:28:30,418 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.71/6.93 [2019-03-28 22:28:30,418 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.71/6.93 [2019-03-28 22:28:30,419 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.71/6.93 [2019-03-28 22:28:30,420 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.71/6.93 [2019-03-28 22:28:30,420 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.71/6.93 [2019-03-28 22:28:30,435 INFO L110 SettingsManager]: Loading preferences was successful 14.71/6.93 [2019-03-28 22:28:30,435 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.71/6.93 [2019-03-28 22:28:30,436 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.71/6.93 [2019-03-28 22:28:30,436 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.71/6.93 [2019-03-28 22:28:30,436 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.71/6.93 [2019-03-28 22:28:30,437 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.71/6.93 [2019-03-28 22:28:30,437 INFO L133 SettingsManager]: * Use SBE=true 14.71/6.93 [2019-03-28 22:28:30,437 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.71/6.93 [2019-03-28 22:28:30,437 INFO L133 SettingsManager]: * Use old map elimination=false 14.71/6.93 [2019-03-28 22:28:30,438 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.71/6.93 [2019-03-28 22:28:30,438 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.71/6.93 [2019-03-28 22:28:30,438 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.71/6.93 [2019-03-28 22:28:30,438 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.71/6.93 [2019-03-28 22:28:30,438 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.71/6.93 [2019-03-28 22:28:30,438 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.71/6.93 [2019-03-28 22:28:30,439 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.71/6.93 [2019-03-28 22:28:30,439 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.71/6.93 [2019-03-28 22:28:30,439 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.71/6.93 [2019-03-28 22:28:30,439 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.71/6.93 [2019-03-28 22:28:30,439 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.71/6.93 [2019-03-28 22:28:30,440 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.71/6.93 [2019-03-28 22:28:30,440 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.71/6.93 [2019-03-28 22:28:30,440 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.71/6.93 [2019-03-28 22:28:30,440 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.71/6.93 [2019-03-28 22:28:30,440 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.71/6.93 [2019-03-28 22:28:30,441 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.71/6.93 [2019-03-28 22:28:30,441 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.71/6.93 [2019-03-28 22:28:30,441 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.71/6.93 [2019-03-28 22:28:30,441 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.71/6.93 [2019-03-28 22:28:30,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.71/6.93 [2019-03-28 22:28:30,480 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.71/6.93 [2019-03-28 22:28:30,484 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.71/6.93 [2019-03-28 22:28:30,485 INFO L271 PluginConnector]: Initializing CDTParser... 14.71/6.93 [2019-03-28 22:28:30,486 INFO L276 PluginConnector]: CDTParser initialized 14.71/6.93 [2019-03-28 22:28:30,486 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.71/6.93 [2019-03-28 22:28:30,587 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/3abb9f6578fb407d8b92bdd76bcb10c4/FLAG37734b7c3 14.71/6.93 [2019-03-28 22:28:30,927 INFO L307 CDTParser]: Found 1 translation units. 14.71/6.93 [2019-03-28 22:28:30,928 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.71/6.93 [2019-03-28 22:28:30,934 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/3abb9f6578fb407d8b92bdd76bcb10c4/FLAG37734b7c3 14.71/6.93 [2019-03-28 22:28:31,342 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/3abb9f6578fb407d8b92bdd76bcb10c4 14.71/6.93 [2019-03-28 22:28:31,354 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.71/6.93 [2019-03-28 22:28:31,355 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.71/6.93 [2019-03-28 22:28:31,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.71/6.93 [2019-03-28 22:28:31,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.71/6.93 [2019-03-28 22:28:31,360 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.71/6.93 [2019-03-28 22:28:31,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:28:31" (1/1) ... 14.71/6.93 [2019-03-28 22:28:31,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b00aa81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:28:31, skipping insertion in model container 14.71/6.93 [2019-03-28 22:28:31,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:28:31" (1/1) ... 14.71/6.93 [2019-03-28 22:28:31,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.71/6.93 [2019-03-28 22:28:31,390 INFO L176 MainTranslator]: Built tables and reachable declarations 14.71/6.93 [2019-03-28 22:28:31,549 INFO L206 PostProcessor]: Analyzing one entry point: main 14.71/6.93 [2019-03-28 22:28:31,553 INFO L191 MainTranslator]: Completed pre-run 14.71/6.93 [2019-03-28 22:28:31,570 INFO L206 PostProcessor]: Analyzing one entry point: main 14.71/6.93 [2019-03-28 22:28:31,647 INFO L195 MainTranslator]: Completed translation 14.71/6.93 [2019-03-28 22:28:31,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:28:31 WrapperNode 14.71/6.93 [2019-03-28 22:28:31,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.71/6.93 [2019-03-28 22:28:31,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.71/6.93 [2019-03-28 22:28:31,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.71/6.93 [2019-03-28 22:28:31,649 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.71/6.93 [2019-03-28 22:28:31,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:28:31" (1/1) ... 14.71/6.93 [2019-03-28 22:28:31,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:28:31" (1/1) ... 14.71/6.93 [2019-03-28 22:28:31,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.71/6.93 [2019-03-28 22:28:31,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.71/6.93 [2019-03-28 22:28:31,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.71/6.93 [2019-03-28 22:28:31,687 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.71/6.93 [2019-03-28 22:28:31,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:28:31" (1/1) ... 14.71/6.93 [2019-03-28 22:28:31,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:28:31" (1/1) ... 14.71/6.93 [2019-03-28 22:28:31,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:28:31" (1/1) ... 14.71/6.93 [2019-03-28 22:28:31,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:28:31" (1/1) ... 14.71/6.93 [2019-03-28 22:28:31,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:28:31" (1/1) ... 14.71/6.93 [2019-03-28 22:28:31,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:28:31" (1/1) ... 14.71/6.93 [2019-03-28 22:28:31,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:28:31" (1/1) ... 14.71/6.93 [2019-03-28 22:28:31,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.71/6.93 [2019-03-28 22:28:31,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.71/6.93 [2019-03-28 22:28:31,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.71/6.93 [2019-03-28 22:28:31,709 INFO L276 PluginConnector]: RCFGBuilder initialized 14.71/6.93 [2019-03-28 22:28:31,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:28:31" (1/1) ... 14.71/6.93 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.71/6.93 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.71/6.93 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.71/6.93 [2019-03-28 22:28:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.71/6.93 [2019-03-28 22:28:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.71/6.93 [2019-03-28 22:28:31,922 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.71/6.93 [2019-03-28 22:28:31,923 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 14.71/6.93 [2019-03-28 22:28:31,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:28:31 BoogieIcfgContainer 14.71/6.93 [2019-03-28 22:28:31,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.71/6.93 [2019-03-28 22:28:31,925 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.71/6.93 [2019-03-28 22:28:31,925 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.71/6.93 [2019-03-28 22:28:31,927 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.71/6.93 [2019-03-28 22:28:31,928 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:28:31" (1/1) ... 14.71/6.93 [2019-03-28 22:28:31,944 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 14.71/6.93 [2019-03-28 22:28:31,946 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.71/6.93 [2019-03-28 22:28:31,947 INFO L263 BlockEncoder]: Using Maximize final states 14.71/6.93 [2019-03-28 22:28:31,948 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.71/6.93 [2019-03-28 22:28:31,948 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.71/6.93 [2019-03-28 22:28:31,950 INFO L296 BlockEncoder]: Using Remove sink states 14.71/6.93 [2019-03-28 22:28:31,951 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.71/6.93 [2019-03-28 22:28:31,952 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.71/6.93 [2019-03-28 22:28:31,967 INFO L185 BlockEncoder]: Using Use SBE 14.71/6.93 [2019-03-28 22:28:31,983 INFO L200 BlockEncoder]: SBE split 2 edges 14.71/6.93 [2019-03-28 22:28:31,988 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.71/6.93 [2019-03-28 22:28:31,990 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.71/6.93 [2019-03-28 22:28:31,999 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 14.71/6.93 [2019-03-28 22:28:32,002 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 14.71/6.93 [2019-03-28 22:28:32,003 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.71/6.93 [2019-03-28 22:28:32,003 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.71/6.93 [2019-03-28 22:28:32,003 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.71/6.93 [2019-03-28 22:28:32,004 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.71/6.93 [2019-03-28 22:28:32,004 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 14.71/6.93 [2019-03-28 22:28:32,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:28:32 BasicIcfg 14.71/6.93 [2019-03-28 22:28:32,005 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.71/6.93 [2019-03-28 22:28:32,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.71/6.93 [2019-03-28 22:28:32,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.71/6.93 [2019-03-28 22:28:32,009 INFO L276 PluginConnector]: TraceAbstraction initialized 14.71/6.93 [2019-03-28 22:28:32,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:28:31" (1/4) ... 14.71/6.93 [2019-03-28 22:28:32,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1807ac78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:28:32, skipping insertion in model container 14.71/6.93 [2019-03-28 22:28:32,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:28:31" (2/4) ... 14.71/6.93 [2019-03-28 22:28:32,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1807ac78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:28:32, skipping insertion in model container 14.71/6.93 [2019-03-28 22:28:32,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:28:31" (3/4) ... 14.71/6.93 [2019-03-28 22:28:32,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1807ac78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:28:32, skipping insertion in model container 14.71/6.93 [2019-03-28 22:28:32,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:28:32" (4/4) ... 14.71/6.93 [2019-03-28 22:28:32,013 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.71/6.93 [2019-03-28 22:28:32,024 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.71/6.93 [2019-03-28 22:28:32,032 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.71/6.93 [2019-03-28 22:28:32,049 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.71/6.93 [2019-03-28 22:28:32,077 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.71/6.93 [2019-03-28 22:28:32,078 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.71/6.93 [2019-03-28 22:28:32,078 INFO L383 AbstractCegarLoop]: Hoare is true 14.71/6.93 [2019-03-28 22:28:32,079 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.71/6.93 [2019-03-28 22:28:32,079 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.71/6.93 [2019-03-28 22:28:32,079 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.71/6.93 [2019-03-28 22:28:32,079 INFO L387 AbstractCegarLoop]: Difference is false 14.71/6.93 [2019-03-28 22:28:32,079 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.71/6.93 [2019-03-28 22:28:32,079 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.71/6.93 [2019-03-28 22:28:32,093 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 14.71/6.93 [2019-03-28 22:28:32,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.71/6.93 [2019-03-28 22:28:32,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 14.71/6.93 [2019-03-28 22:28:32,151 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.71/6.93 [2019-03-28 22:28:32,151 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 15) no Hoare annotation was computed. 14.71/6.93 [2019-03-28 22:28:32,152 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 14) the Hoare annotation is: true 14.71/6.93 [2019-03-28 22:28:32,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:28:32 BasicIcfg 14.71/6.93 [2019-03-28 22:28:32,160 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.71/6.93 [2019-03-28 22:28:32,161 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.71/6.93 [2019-03-28 22:28:32,161 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.71/6.93 [2019-03-28 22:28:32,164 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.71/6.93 [2019-03-28 22:28:32,165 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.71/6.93 [2019-03-28 22:28:32,165 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:28:31" (1/5) ... 14.71/6.93 [2019-03-28 22:28:32,166 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bcce665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:28:32, skipping insertion in model container 14.71/6.93 [2019-03-28 22:28:32,166 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.71/6.93 [2019-03-28 22:28:32,166 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:28:31" (2/5) ... 14.71/6.93 [2019-03-28 22:28:32,166 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bcce665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:28:32, skipping insertion in model container 14.71/6.93 [2019-03-28 22:28:32,166 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.71/6.93 [2019-03-28 22:28:32,167 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:28:31" (3/5) ... 14.71/6.93 [2019-03-28 22:28:32,167 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bcce665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:28:32, skipping insertion in model container 14.71/6.93 [2019-03-28 22:28:32,167 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.71/6.93 [2019-03-28 22:28:32,167 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:28:32" (4/5) ... 14.71/6.93 [2019-03-28 22:28:32,168 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bcce665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:28:32, skipping insertion in model container 14.71/6.93 [2019-03-28 22:28:32,168 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.71/6.93 [2019-03-28 22:28:32,168 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:28:32" (5/5) ... 14.71/6.93 [2019-03-28 22:28:32,169 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.71/6.93 [2019-03-28 22:28:32,197 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.71/6.93 [2019-03-28 22:28:32,197 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.71/6.93 [2019-03-28 22:28:32,197 INFO L375 BuchiCegarLoop]: Hoare is true 14.71/6.93 [2019-03-28 22:28:32,197 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.71/6.93 [2019-03-28 22:28:32,197 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.71/6.93 [2019-03-28 22:28:32,198 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.71/6.93 [2019-03-28 22:28:32,198 INFO L379 BuchiCegarLoop]: Difference is false 14.71/6.93 [2019-03-28 22:28:32,198 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.71/6.93 [2019-03-28 22:28:32,198 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.71/6.93 [2019-03-28 22:28:32,201 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.71/6.93 [2019-03-28 22:28:32,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.71/6.93 [2019-03-28 22:28:32,221 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.71/6.93 [2019-03-28 22:28:32,221 INFO L119 BuchiIsEmpty]: Starting construction of run 14.71/6.93 [2019-03-28 22:28:32,227 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.71/6.93 [2019-03-28 22:28:32,227 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.71/6.93 [2019-03-28 22:28:32,227 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.71/6.93 [2019-03-28 22:28:32,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.71/6.93 [2019-03-28 22:28:32,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.71/6.93 [2019-03-28 22:28:32,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.71/6.93 [2019-03-28 22:28:32,228 INFO L119 BuchiIsEmpty]: Starting construction of run 14.71/6.93 [2019-03-28 22:28:32,228 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.71/6.93 [2019-03-28 22:28:32,229 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.71/6.93 [2019-03-28 22:28:32,235 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [26] ULTIMATE.startENTRY-->L10: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~i~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~x~0] 3#L10true [36] L10-->L11-2: Formula: (> 0 v_ULTIMATE.start_main_~x~0_7) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 5#L11-2true 14.71/6.93 [2019-03-28 22:28:32,236 INFO L796 eck$LassoCheckResult]: Loop: 5#L11-2true [31] L11-2-->L11-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 (* (- 1) v_ULTIMATE.start_main_~y~0_7))) (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 1)) (< 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~x~0] 5#L11-2true 14.71/6.93 [2019-03-28 22:28:32,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.71/6.93 [2019-03-28 22:28:32,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1803, now seen corresponding path program 1 times 14.71/6.93 [2019-03-28 22:28:32,244 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.71/6.93 [2019-03-28 22:28:32,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.71/6.93 [2019-03-28 22:28:32,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.71/6.93 [2019-03-28 22:28:32,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.71/6.93 [2019-03-28 22:28:32,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.71/6.93 [2019-03-28 22:28:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.71/6.93 [2019-03-28 22:28:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.71/6.93 [2019-03-28 22:28:32,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.71/6.93 [2019-03-28 22:28:32,324 INFO L82 PathProgramCache]: Analyzing trace with hash 62, now seen corresponding path program 1 times 14.71/6.93 [2019-03-28 22:28:32,324 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.71/6.93 [2019-03-28 22:28:32,324 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.71/6.93 [2019-03-28 22:28:32,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.71/6.93 [2019-03-28 22:28:32,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.71/6.93 [2019-03-28 22:28:32,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.71/6.93 [2019-03-28 22:28:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.71/6.93 [2019-03-28 22:28:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.71/6.93 [2019-03-28 22:28:32,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.71/6.93 [2019-03-28 22:28:32,339 INFO L82 PathProgramCache]: Analyzing trace with hash 55924, now seen corresponding path program 1 times 14.71/6.93 [2019-03-28 22:28:32,339 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.71/6.93 [2019-03-28 22:28:32,339 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.71/6.93 [2019-03-28 22:28:32,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.71/6.93 [2019-03-28 22:28:32,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.71/6.93 [2019-03-28 22:28:32,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.71/6.93 [2019-03-28 22:28:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.71/6.93 [2019-03-28 22:28:32,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.71/6.93 [2019-03-28 22:28:32,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.71/6.93 [2019-03-28 22:28:32,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 14.71/6.93 [2019-03-28 22:28:32,438 INFO L216 LassoAnalysis]: Preferences: 14.71/6.93 [2019-03-28 22:28:32,440 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.71/6.93 [2019-03-28 22:28:32,440 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.71/6.93 [2019-03-28 22:28:32,440 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.71/6.93 [2019-03-28 22:28:32,440 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.71/6.93 [2019-03-28 22:28:32,440 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.71/6.93 [2019-03-28 22:28:32,441 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.71/6.93 [2019-03-28 22:28:32,441 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.71/6.93 [2019-03-28 22:28:32,441 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.71/6.93 [2019-03-28 22:28:32,441 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.71/6.93 [2019-03-28 22:28:32,442 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.71/6.93 [2019-03-28 22:28:32,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.71/6.93 [2019-03-28 22:28:32,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.71/6.93 [2019-03-28 22:28:32,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.71/6.93 [2019-03-28 22:28:32,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.71/6.93 [2019-03-28 22:28:32,583 INFO L300 LassoAnalysis]: Preprocessing complete. 14.71/6.93 [2019-03-28 22:28:32,584 INFO L412 LassoAnalysis]: Checking for nontermination... 14.71/6.93 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.71/6.93 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.71/6.93 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.71/6.93 [2019-03-28 22:28:32,591 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.71/6.93 [2019-03-28 22:28:32,592 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.71/6.93 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.71/6.93 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.71/6.93 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.71/6.93 [2019-03-28 22:28:32,627 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.71/6.93 [2019-03-28 22:28:32,627 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.71/6.93 [2019-03-28 22:28:32,726 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.71/6.93 [2019-03-28 22:28:32,729 INFO L216 LassoAnalysis]: Preferences: 14.71/6.93 [2019-03-28 22:28:32,729 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.71/6.93 [2019-03-28 22:28:32,729 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.71/6.93 [2019-03-28 22:28:32,730 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.71/6.93 [2019-03-28 22:28:32,730 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.71/6.93 [2019-03-28 22:28:32,730 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.71/6.93 [2019-03-28 22:28:32,730 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.71/6.93 [2019-03-28 22:28:32,730 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.71/6.93 [2019-03-28 22:28:32,730 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.71/6.93 [2019-03-28 22:28:32,731 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.71/6.93 [2019-03-28 22:28:32,731 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.71/6.93 [2019-03-28 22:28:32,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.71/6.93 [2019-03-28 22:28:32,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.71/6.93 [2019-03-28 22:28:32,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.71/6.93 [2019-03-28 22:28:32,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.71/6.93 [2019-03-28 22:28:32,853 INFO L300 LassoAnalysis]: Preprocessing complete. 14.71/6.93 [2019-03-28 22:28:32,859 INFO L497 LassoAnalysis]: Using template 'affine'. 14.71/6.93 [2019-03-28 22:28:32,874 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.71/6.93 Termination analysis: LINEAR_WITH_GUESSES 14.71/6.93 Number of strict supporting invariants: 0 14.71/6.93 Number of non-strict supporting invariants: 1 14.71/6.93 Consider only non-deceasing supporting invariants: true 14.71/6.93 Simplify termination arguments: true 14.71/6.93 Simplify supporting invariants: trueOverapproximate stem: false 14.71/6.93 [2019-03-28 22:28:32,876 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.71/6.93 [2019-03-28 22:28:32,876 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.71/6.93 [2019-03-28 22:28:32,877 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.71/6.93 [2019-03-28 22:28:32,877 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.71/6.93 [2019-03-28 22:28:32,877 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.71/6.93 [2019-03-28 22:28:32,879 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.71/6.93 [2019-03-28 22:28:32,880 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.71/6.93 [2019-03-28 22:28:32,888 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.71/6.93 [2019-03-28 22:28:32,894 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.71/6.93 [2019-03-28 22:28:32,894 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 14.71/6.93 [2019-03-28 22:28:32,896 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.71/6.93 [2019-03-28 22:28:32,896 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.71/6.93 [2019-03-28 22:28:32,897 INFO L518 LassoAnalysis]: Proved termination. 14.71/6.93 [2019-03-28 22:28:32,898 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.71/6.93 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 14.71/6.93 Supporting invariants [] 14.71/6.93 [2019-03-28 22:28:32,899 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.71/6.93 [2019-03-28 22:28:32,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.71/6.93 [2019-03-28 22:28:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.71/6.93 [2019-03-28 22:28:32,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 14.71/6.93 [2019-03-28 22:28:32,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.71/6.93 [2019-03-28 22:28:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.71/6.93 [2019-03-28 22:28:32,939 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 14.71/6.93 [2019-03-28 22:28:32,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.71/6.93 [2019-03-28 22:28:32,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.71/6.93 [2019-03-28 22:28:32,952 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 14.71/6.93 [2019-03-28 22:28:32,957 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 14.71/6.93 [2019-03-28 22:28:32,959 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 2 states. 14.71/6.93 [2019-03-28 22:28:32,983 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 2 states. Result 5 states and 6 transitions. Complement of second has 2 states. 14.71/6.93 [2019-03-28 22:28:32,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 14.71/6.93 [2019-03-28 22:28:32,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.71/6.93 [2019-03-28 22:28:32,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. 14.71/6.93 [2019-03-28 22:28:32,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 1 letters. 14.71/6.93 [2019-03-28 22:28:32,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.71/6.93 [2019-03-28 22:28:32,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 1 letters. 14.71/6.93 [2019-03-28 22:28:32,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.71/6.93 [2019-03-28 22:28:32,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 2 letters. 14.71/6.93 [2019-03-28 22:28:32,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.71/6.93 [2019-03-28 22:28:32,996 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 6 transitions. 14.71/6.93 [2019-03-28 22:28:32,997 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.71/6.93 [2019-03-28 22:28:33,001 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 3 states and 3 transitions. 14.71/6.93 [2019-03-28 22:28:33,002 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 14.71/6.93 [2019-03-28 22:28:33,002 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 14.71/6.93 [2019-03-28 22:28:33,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. 14.71/6.93 [2019-03-28 22:28:33,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.71/6.93 [2019-03-28 22:28:33,003 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 14.71/6.93 [2019-03-28 22:28:33,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. 14.71/6.93 [2019-03-28 22:28:33,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. 14.71/6.94 [2019-03-28 22:28:33,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.71/6.94 [2019-03-28 22:28:33,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. 14.71/6.94 [2019-03-28 22:28:33,032 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 14.71/6.94 [2019-03-28 22:28:33,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 14.71/6.94 [2019-03-28 22:28:33,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.71/6.94 [2019-03-28 22:28:33,036 INFO L87 Difference]: Start difference. First operand 3 states and 3 transitions. Second operand 3 states. 14.71/6.94 [2019-03-28 22:28:33,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.71/6.94 [2019-03-28 22:28:33,047 INFO L93 Difference]: Finished difference Result 3 states and 3 transitions. 14.71/6.94 [2019-03-28 22:28:33,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 14.71/6.94 [2019-03-28 22:28:33,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 14.71/6.94 [2019-03-28 22:28:33,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.71/6.94 [2019-03-28 22:28:33,049 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 3 states and 3 transitions. 14.71/6.94 [2019-03-28 22:28:33,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 14.71/6.94 [2019-03-28 22:28:33,050 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 14.71/6.94 [2019-03-28 22:28:33,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. 14.71/6.94 [2019-03-28 22:28:33,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.71/6.94 [2019-03-28 22:28:33,050 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 14.71/6.94 [2019-03-28 22:28:33,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. 14.71/6.94 [2019-03-28 22:28:33,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. 14.71/6.94 [2019-03-28 22:28:33,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.71/6.94 [2019-03-28 22:28:33,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. 14.71/6.94 [2019-03-28 22:28:33,051 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 14.71/6.94 [2019-03-28 22:28:33,051 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 14.71/6.94 [2019-03-28 22:28:33,052 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.71/6.94 [2019-03-28 22:28:33,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. 14.71/6.94 [2019-03-28 22:28:33,052 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.71/6.94 [2019-03-28 22:28:33,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.71/6.94 [2019-03-28 22:28:33,052 INFO L119 BuchiIsEmpty]: Starting construction of run 14.71/6.94 [2019-03-28 22:28:33,053 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.71/6.94 [2019-03-28 22:28:33,053 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.71/6.94 [2019-03-28 22:28:33,053 INFO L794 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~i~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~x~0] 43#L10 [35] L10-->L11-2: Formula: (< 0 v_ULTIMATE.start_main_~x~0_7) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 44#L11-2 14.71/6.94 [2019-03-28 22:28:33,053 INFO L796 eck$LassoCheckResult]: Loop: 44#L11-2 [31] L11-2-->L11-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 (* (- 1) v_ULTIMATE.start_main_~y~0_7))) (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 1)) (< 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~x~0] 44#L11-2 14.71/6.94 [2019-03-28 22:28:33,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.71/6.94 [2019-03-28 22:28:33,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1802, now seen corresponding path program 1 times 14.71/6.94 [2019-03-28 22:28:33,054 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.71/6.94 [2019-03-28 22:28:33,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.71/6.94 [2019-03-28 22:28:33,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.71/6.94 [2019-03-28 22:28:33,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.71/6.94 [2019-03-28 22:28:33,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.71/6.94 [2019-03-28 22:28:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.71/6.94 [2019-03-28 22:28:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.71/6.94 [2019-03-28 22:28:33,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.71/6.94 [2019-03-28 22:28:33,062 INFO L82 PathProgramCache]: Analyzing trace with hash 62, now seen corresponding path program 2 times 14.71/6.94 [2019-03-28 22:28:33,062 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.71/6.94 [2019-03-28 22:28:33,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.71/6.94 [2019-03-28 22:28:33,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.71/6.94 [2019-03-28 22:28:33,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.71/6.94 [2019-03-28 22:28:33,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.71/6.94 [2019-03-28 22:28:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.71/6.94 [2019-03-28 22:28:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.71/6.94 [2019-03-28 22:28:33,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.71/6.94 [2019-03-28 22:28:33,069 INFO L82 PathProgramCache]: Analyzing trace with hash 55893, now seen corresponding path program 1 times 14.71/6.94 [2019-03-28 22:28:33,069 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.71/6.94 [2019-03-28 22:28:33,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.71/6.94 [2019-03-28 22:28:33,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.71/6.94 [2019-03-28 22:28:33,071 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 14.71/6.94 [2019-03-28 22:28:33,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.71/6.94 [2019-03-28 22:28:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.71/6.94 [2019-03-28 22:28:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.71/6.94 [2019-03-28 22:28:33,106 INFO L216 LassoAnalysis]: Preferences: 14.71/6.94 [2019-03-28 22:28:33,107 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.71/6.94 [2019-03-28 22:28:33,107 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.71/6.94 [2019-03-28 22:28:33,107 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.71/6.94 [2019-03-28 22:28:33,107 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.71/6.94 [2019-03-28 22:28:33,107 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.71/6.94 [2019-03-28 22:28:33,107 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.71/6.94 [2019-03-28 22:28:33,107 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.71/6.94 [2019-03-28 22:28:33,108 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.71/6.94 [2019-03-28 22:28:33,108 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.71/6.94 [2019-03-28 22:28:33,108 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.71/6.94 [2019-03-28 22:28:33,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.71/6.94 [2019-03-28 22:28:33,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.71/6.94 [2019-03-28 22:28:33,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.71/6.94 [2019-03-28 22:28:33,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.71/6.94 [2019-03-28 22:28:33,176 INFO L300 LassoAnalysis]: Preprocessing complete. 14.71/6.94 [2019-03-28 22:28:33,176 INFO L412 LassoAnalysis]: Checking for nontermination... 14.71/6.94 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.71/6.94 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.71/6.94 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.71/6.94 [2019-03-28 22:28:33,180 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.71/6.94 [2019-03-28 22:28:33,180 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.71/6.94 [2019-03-28 22:28:33,209 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.71/6.94 [2019-03-28 22:28:33,210 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.71/6.94 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.71/6.94 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.71/6.94 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.71/6.94 [2019-03-28 22:28:33,215 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.71/6.94 [2019-03-28 22:28:33,215 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.71/6.94 [2019-03-28 22:28:33,242 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.71/6.94 [2019-03-28 22:28:33,242 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.71/6.94 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.71/6.94 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.71/6.94 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.71/6.94 [2019-03-28 22:28:33,248 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.71/6.94 [2019-03-28 22:28:33,248 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.71/6.94 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.71/6.94 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.71/6.94 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.71/6.94 [2019-03-28 22:28:33,280 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.71/6.94 [2019-03-28 22:28:33,280 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.71/6.94 [2019-03-28 22:28:33,317 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.71/6.94 [2019-03-28 22:28:33,318 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~i~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=-1}, {ULTIMATE.start_main_~i~0=-5}, {ULTIMATE.start_main_~i~0=7}] Lambdas: [1, 1, 1] Nus: [0, 0] 14.71/6.94 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.71/6.94 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.71/6.94 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.71/6.94 [2019-03-28 22:28:33,346 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.71/6.94 [2019-03-28 22:28:33,346 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.71/6.94 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.71/6.94 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.71/6.94 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.71/6.94 [2019-03-28 22:28:33,379 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.71/6.94 [2019-03-28 22:28:33,379 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.71/6.94 [2019-03-28 22:28:33,474 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.71/6.94 [2019-03-28 22:28:33,477 INFO L216 LassoAnalysis]: Preferences: 14.71/6.94 [2019-03-28 22:28:33,477 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.71/6.94 [2019-03-28 22:28:33,477 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.71/6.94 [2019-03-28 22:28:33,478 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.71/6.94 [2019-03-28 22:28:33,478 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.71/6.94 [2019-03-28 22:28:33,478 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.71/6.94 [2019-03-28 22:28:33,478 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.71/6.94 [2019-03-28 22:28:33,478 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.71/6.94 [2019-03-28 22:28:33,478 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.71/6.94 [2019-03-28 22:28:33,478 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.71/6.94 [2019-03-28 22:28:33,478 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.71/6.94 [2019-03-28 22:28:33,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.71/6.94 [2019-03-28 22:28:33,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.71/6.94 [2019-03-28 22:28:33,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.71/6.94 [2019-03-28 22:28:33,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.71/6.94 [2019-03-28 22:28:33,570 INFO L300 LassoAnalysis]: Preprocessing complete. 14.71/6.94 [2019-03-28 22:28:33,570 INFO L497 LassoAnalysis]: Using template 'affine'. 14.71/6.94 [2019-03-28 22:28:33,571 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.71/6.94 Termination analysis: LINEAR_WITH_GUESSES 14.71/6.94 Number of strict supporting invariants: 0 14.71/6.94 Number of non-strict supporting invariants: 1 14.71/6.94 Consider only non-deceasing supporting invariants: true 14.71/6.94 Simplify termination arguments: true 14.71/6.94 Simplify supporting invariants: trueOverapproximate stem: false 14.71/6.94 [2019-03-28 22:28:33,572 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.71/6.94 [2019-03-28 22:28:33,572 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.71/6.94 [2019-03-28 22:28:33,572 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.71/6.94 [2019-03-28 22:28:33,572 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.71/6.94 [2019-03-28 22:28:33,575 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.71/6.94 [2019-03-28 22:28:33,576 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.71/6.94 [2019-03-28 22:28:33,581 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.71/6.94 [2019-03-28 22:28:33,581 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.71/6.94 Termination analysis: LINEAR_WITH_GUESSES 14.71/6.94 Number of strict supporting invariants: 0 14.71/6.94 Number of non-strict supporting invariants: 1 14.71/6.94 Consider only non-deceasing supporting invariants: true 14.71/6.94 Simplify termination arguments: true 14.71/6.94 Simplify supporting invariants: trueOverapproximate stem: false 14.71/6.94 [2019-03-28 22:28:33,582 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.71/6.94 [2019-03-28 22:28:33,582 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.71/6.94 [2019-03-28 22:28:33,582 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.71/6.94 [2019-03-28 22:28:33,583 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.71/6.94 [2019-03-28 22:28:33,585 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.71/6.94 [2019-03-28 22:28:33,585 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.71/6.94 [2019-03-28 22:28:33,593 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.71/6.94 [2019-03-28 22:28:33,594 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.71/6.94 Termination analysis: LINEAR_WITH_GUESSES 14.71/6.94 Number of strict supporting invariants: 0 14.71/6.94 Number of non-strict supporting invariants: 1 14.71/6.94 Consider only non-deceasing supporting invariants: true 14.71/6.94 Simplify termination arguments: true 14.71/6.94 Simplify supporting invariants: trueOverapproximate stem: false 14.71/6.94 [2019-03-28 22:28:33,594 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.71/6.94 [2019-03-28 22:28:33,594 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.71/6.94 [2019-03-28 22:28:33,595 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.71/6.94 [2019-03-28 22:28:33,595 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.71/6.94 [2019-03-28 22:28:33,595 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.71/6.94 [2019-03-28 22:28:33,596 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.71/6.94 [2019-03-28 22:28:33,596 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.71/6.94 [2019-03-28 22:28:33,601 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.71/6.94 [2019-03-28 22:28:33,601 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.71/6.94 Termination analysis: LINEAR_WITH_GUESSES 14.71/6.94 Number of strict supporting invariants: 0 14.71/6.94 Number of non-strict supporting invariants: 1 14.71/6.94 Consider only non-deceasing supporting invariants: true 14.71/6.94 Simplify termination arguments: true 14.71/6.94 Simplify supporting invariants: trueOverapproximate stem: false 14.71/6.94 [2019-03-28 22:28:33,602 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.71/6.94 [2019-03-28 22:28:33,603 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.71/6.94 [2019-03-28 22:28:33,603 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.71/6.94 [2019-03-28 22:28:33,603 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.71/6.94 [2019-03-28 22:28:33,603 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.71/6.94 [2019-03-28 22:28:33,604 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.71/6.94 [2019-03-28 22:28:33,605 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.71/6.94 [2019-03-28 22:28:33,612 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.71/6.94 [2019-03-28 22:28:33,615 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.71/6.94 [2019-03-28 22:28:33,615 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 14.71/6.94 [2019-03-28 22:28:33,616 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.71/6.94 [2019-03-28 22:28:33,616 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.71/6.94 [2019-03-28 22:28:33,616 INFO L518 LassoAnalysis]: Proved termination. 14.71/6.94 [2019-03-28 22:28:33,616 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.71/6.94 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 14.71/6.94 Supporting invariants [] 14.71/6.94 [2019-03-28 22:28:33,617 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.71/6.94 [2019-03-28 22:28:33,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.71/6.94 [2019-03-28 22:28:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.71/6.94 [2019-03-28 22:28:33,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 14.71/6.94 [2019-03-28 22:28:33,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.71/6.94 [2019-03-28 22:28:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.71/6.94 [2019-03-28 22:28:33,651 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 14.71/6.94 [2019-03-28 22:28:33,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.71/6.94 [2019-03-28 22:28:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.71/6.94 [2019-03-28 22:28:33,652 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 14.71/6.94 [2019-03-28 22:28:33,652 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 14.71/6.94 [2019-03-28 22:28:33,653 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1 Second operand 2 states. 14.71/6.94 [2019-03-28 22:28:33,659 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1. Second operand 2 states. Result 4 states and 4 transitions. Complement of second has 2 states. 14.71/6.94 [2019-03-28 22:28:33,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 14.71/6.94 [2019-03-28 22:28:33,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.71/6.94 [2019-03-28 22:28:33,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. 14.71/6.94 [2019-03-28 22:28:33,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 1 letters. 14.71/6.94 [2019-03-28 22:28:33,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.71/6.94 [2019-03-28 22:28:33,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 3 letters. Loop has 1 letters. 14.71/6.94 [2019-03-28 22:28:33,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.71/6.94 [2019-03-28 22:28:33,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. 14.71/6.94 [2019-03-28 22:28:33,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.71/6.94 [2019-03-28 22:28:33,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 4 transitions. 14.71/6.94 [2019-03-28 22:28:33,664 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.71/6.94 [2019-03-28 22:28:33,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 0 states and 0 transitions. 14.71/6.94 [2019-03-28 22:28:33,664 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.71/6.94 [2019-03-28 22:28:33,664 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.71/6.94 [2019-03-28 22:28:33,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.71/6.94 [2019-03-28 22:28:33,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.71/6.94 [2019-03-28 22:28:33,665 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.71/6.94 [2019-03-28 22:28:33,665 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.71/6.94 [2019-03-28 22:28:33,665 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.71/6.94 [2019-03-28 22:28:33,665 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.71/6.94 [2019-03-28 22:28:33,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.71/6.94 [2019-03-28 22:28:33,665 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.71/6.94 [2019-03-28 22:28:33,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.71/6.94 [2019-03-28 22:28:33,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:28:33 BasicIcfg 14.71/6.94 [2019-03-28 22:28:33,673 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.71/6.94 [2019-03-28 22:28:33,674 INFO L168 Benchmark]: Toolchain (without parser) took 2319.48 ms. Allocated memory was 649.6 MB in the beginning and 686.3 MB in the end (delta: 36.7 MB). Free memory was 557.4 MB in the beginning and 478.1 MB in the end (delta: 79.3 MB). Peak memory consumption was 116.0 MB. Max. memory is 50.3 GB. 14.71/6.94 [2019-03-28 22:28:33,676 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.71/6.94 [2019-03-28 22:28:33,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.11 ms. Allocated memory was 649.6 MB in the beginning and 686.3 MB in the end (delta: 36.7 MB). Free memory was 557.4 MB in the beginning and 653.8 MB in the end (delta: -96.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 14.71/6.94 [2019-03-28 22:28:33,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.92 ms. Allocated memory is still 686.3 MB. Free memory was 653.8 MB in the beginning and 652.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.71/6.94 [2019-03-28 22:28:33,678 INFO L168 Benchmark]: Boogie Preprocessor took 20.82 ms. Allocated memory is still 686.3 MB. Free memory was 652.4 MB in the beginning and 651.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.71/6.94 [2019-03-28 22:28:33,679 INFO L168 Benchmark]: RCFGBuilder took 216.04 ms. Allocated memory is still 686.3 MB. Free memory was 651.1 MB in the beginning and 636.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 14.71/6.94 [2019-03-28 22:28:33,679 INFO L168 Benchmark]: BlockEncodingV2 took 80.21 ms. Allocated memory is still 686.3 MB. Free memory was 636.4 MB in the beginning and 631.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 14.71/6.94 [2019-03-28 22:28:33,680 INFO L168 Benchmark]: TraceAbstraction took 154.25 ms. Allocated memory is still 686.3 MB. Free memory was 631.0 MB in the beginning and 622.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 14.71/6.94 [2019-03-28 22:28:33,681 INFO L168 Benchmark]: BuchiAutomizer took 1512.67 ms. Allocated memory is still 686.3 MB. Free memory was 622.9 MB in the beginning and 478.1 MB in the end (delta: 144.8 MB). Peak memory consumption was 144.8 MB. Max. memory is 50.3 GB. 14.71/6.94 [2019-03-28 22:28:33,685 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.71/6.94 --- Results --- 14.71/6.94 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.71/6.94 - StatisticsResult: Initial Icfg 14.71/6.94 7 locations, 9 edges 14.71/6.94 - StatisticsResult: Encoded RCFG 14.71/6.94 3 locations, 4 edges 14.71/6.94 * Results from de.uni_freiburg.informatik.ultimate.core: 14.71/6.94 - StatisticsResult: Toolchain Benchmarks 14.71/6.94 Benchmark results are: 14.71/6.94 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.71/6.94 * CACSL2BoogieTranslator took 292.11 ms. Allocated memory was 649.6 MB in the beginning and 686.3 MB in the end (delta: 36.7 MB). Free memory was 557.4 MB in the beginning and 653.8 MB in the end (delta: -96.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 14.71/6.94 * Boogie Procedure Inliner took 37.92 ms. Allocated memory is still 686.3 MB. Free memory was 653.8 MB in the beginning and 652.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.71/6.94 * Boogie Preprocessor took 20.82 ms. Allocated memory is still 686.3 MB. Free memory was 652.4 MB in the beginning and 651.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.71/6.94 * RCFGBuilder took 216.04 ms. Allocated memory is still 686.3 MB. Free memory was 651.1 MB in the beginning and 636.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 14.71/6.94 * BlockEncodingV2 took 80.21 ms. Allocated memory is still 686.3 MB. Free memory was 636.4 MB in the beginning and 631.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 14.71/6.94 * TraceAbstraction took 154.25 ms. Allocated memory is still 686.3 MB. Free memory was 631.0 MB in the beginning and 622.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 14.71/6.94 * BuchiAutomizer took 1512.67 ms. Allocated memory is still 686.3 MB. Free memory was 622.9 MB in the beginning and 478.1 MB in the end (delta: 144.8 MB). Peak memory consumption was 144.8 MB. Max. memory is 50.3 GB. 14.71/6.94 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.71/6.94 - AllSpecificationsHoldResult: All specifications hold 14.71/6.94 We were not able to verify any specifiation because the program does not contain any specification. 14.71/6.94 - InvariantResult [Line: 11]: Loop Invariant 14.71/6.94 Derived loop invariant: 1 14.71/6.94 - StatisticsResult: Ultimate Automizer benchmark data 14.71/6.94 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, 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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 14.71/6.94 - StatisticsResult: Constructed decomposition of program 14.71/6.94 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 2 locations. One nondeterministic module has affine ranking function x and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 14.71/6.94 - StatisticsResult: Timing statistics 14.71/6.94 BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 3 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 7 SDslu, 0 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf93 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 14.71/6.94 - TerminationAnalysisResult: Termination proven 14.71/6.94 Buchi Automizer proved that your program is terminating 14.71/6.94 RESULT: Ultimate proved your program to be correct! 14.71/6.94 !SESSION 2019-03-28 22:28:27.992 ----------------------------------------------- 14.71/6.94 eclipse.buildId=unknown 14.71/6.94 java.version=1.8.0_181 14.71/6.94 java.vendor=Oracle Corporation 14.71/6.94 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.71/6.94 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.71/6.94 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.71/6.94 14.71/6.94 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:28:33.922 14.71/6.94 !MESSAGE The workspace will exit with unsaved changes in this session. 14.71/6.94 Received shutdown request... 14.71/6.94 Ultimate: 14.71/6.94 GTK+ Version Check 14.71/6.94 EOF