14.33/6.72 NO 14.33/6.72 14.33/6.72 Ultimate: Cannot open display: 14.33/6.72 This is Ultimate 0.1.24-8dc7c08-m 14.33/6.72 [2019-03-29 02:11:45,338 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.33/6.72 [2019-03-29 02:11:45,341 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.33/6.72 [2019-03-29 02:11:45,352 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.33/6.72 [2019-03-29 02:11:45,352 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.33/6.72 [2019-03-29 02:11:45,353 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.33/6.72 [2019-03-29 02:11:45,355 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.33/6.72 [2019-03-29 02:11:45,356 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.33/6.72 [2019-03-29 02:11:45,358 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.33/6.72 [2019-03-29 02:11:45,358 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.33/6.72 [2019-03-29 02:11:45,359 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.33/6.72 [2019-03-29 02:11:45,359 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.33/6.72 [2019-03-29 02:11:45,360 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.33/6.72 [2019-03-29 02:11:45,361 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.33/6.72 [2019-03-29 02:11:45,362 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.33/6.72 [2019-03-29 02:11:45,363 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.33/6.72 [2019-03-29 02:11:45,364 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.33/6.72 [2019-03-29 02:11:45,366 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.33/6.72 [2019-03-29 02:11:45,367 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.33/6.72 [2019-03-29 02:11:45,369 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.33/6.72 [2019-03-29 02:11:45,370 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.33/6.72 [2019-03-29 02:11:45,371 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.33/6.72 [2019-03-29 02:11:45,373 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.33/6.72 [2019-03-29 02:11:45,373 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.33/6.72 [2019-03-29 02:11:45,374 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.33/6.72 [2019-03-29 02:11:45,374 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.33/6.72 [2019-03-29 02:11:45,375 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.33/6.72 [2019-03-29 02:11:45,376 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.33/6.72 [2019-03-29 02:11:45,376 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.33/6.72 [2019-03-29 02:11:45,377 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.33/6.72 [2019-03-29 02:11:45,377 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.33/6.72 [2019-03-29 02:11:45,378 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.33/6.72 [2019-03-29 02:11:45,379 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.33/6.72 [2019-03-29 02:11:45,379 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.33/6.72 [2019-03-29 02:11:45,380 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.33/6.72 [2019-03-29 02:11:45,380 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.33/6.72 [2019-03-29 02:11:45,380 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.33/6.72 [2019-03-29 02:11:45,381 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.33/6.72 [2019-03-29 02:11:45,382 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.33/6.72 [2019-03-29 02:11:45,383 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 14.33/6.72 [2019-03-29 02:11:45,398 INFO L110 SettingsManager]: Loading preferences was successful 14.33/6.72 [2019-03-29 02:11:45,398 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.33/6.72 [2019-03-29 02:11:45,399 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.33/6.72 [2019-03-29 02:11:45,399 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.33/6.72 [2019-03-29 02:11:45,399 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.33/6.72 [2019-03-29 02:11:45,400 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.33/6.72 [2019-03-29 02:11:45,400 INFO L133 SettingsManager]: * Use SBE=true 14.33/6.72 [2019-03-29 02:11:45,400 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.33/6.72 [2019-03-29 02:11:45,400 INFO L133 SettingsManager]: * Use old map elimination=false 14.33/6.72 [2019-03-29 02:11:45,400 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.33/6.72 [2019-03-29 02:11:45,400 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.33/6.72 [2019-03-29 02:11:45,401 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.33/6.72 [2019-03-29 02:11:45,401 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.33/6.72 [2019-03-29 02:11:45,401 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.33/6.72 [2019-03-29 02:11:45,401 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.72 [2019-03-29 02:11:45,401 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.33/6.72 [2019-03-29 02:11:45,402 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.33/6.72 [2019-03-29 02:11:45,402 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.33/6.72 [2019-03-29 02:11:45,402 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.33/6.72 [2019-03-29 02:11:45,402 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.33/6.72 [2019-03-29 02:11:45,402 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.33/6.72 [2019-03-29 02:11:45,402 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.33/6.72 [2019-03-29 02:11:45,403 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.33/6.72 [2019-03-29 02:11:45,403 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.33/6.72 [2019-03-29 02:11:45,403 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.33/6.72 [2019-03-29 02:11:45,403 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.33/6.72 [2019-03-29 02:11:45,403 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.33/6.72 [2019-03-29 02:11:45,403 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.33/6.72 [2019-03-29 02:11:45,404 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.33/6.72 [2019-03-29 02:11:45,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.33/6.72 [2019-03-29 02:11:45,442 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.33/6.72 [2019-03-29 02:11:45,446 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.33/6.72 [2019-03-29 02:11:45,447 INFO L271 PluginConnector]: Initializing CDTParser... 14.33/6.72 [2019-03-29 02:11:45,448 INFO L276 PluginConnector]: CDTParser initialized 14.33/6.72 [2019-03-29 02:11:45,449 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 14.33/6.72 [2019-03-29 02:11:45,518 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/c7e1c7f9f71d4bc19ce601d4be2268a6/FLAGfea46c015 14.33/6.72 [2019-03-29 02:11:45,863 INFO L307 CDTParser]: Found 1 translation units. 14.33/6.72 [2019-03-29 02:11:45,863 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 14.33/6.72 [2019-03-29 02:11:45,870 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/c7e1c7f9f71d4bc19ce601d4be2268a6/FLAGfea46c015 14.33/6.72 [2019-03-29 02:11:46,263 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/c7e1c7f9f71d4bc19ce601d4be2268a6 14.33/6.72 [2019-03-29 02:11:46,274 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.33/6.72 [2019-03-29 02:11:46,276 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.33/6.72 [2019-03-29 02:11:46,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.33/6.72 [2019-03-29 02:11:46,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.33/6.72 [2019-03-29 02:11:46,281 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.33/6.72 [2019-03-29 02:11:46,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:11:46" (1/1) ... 14.33/6.72 [2019-03-29 02:11:46,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe42143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46, skipping insertion in model container 14.33/6.72 [2019-03-29 02:11:46,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:11:46" (1/1) ... 14.33/6.72 [2019-03-29 02:11:46,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.33/6.72 [2019-03-29 02:11:46,310 INFO L176 MainTranslator]: Built tables and reachable declarations 14.33/6.72 [2019-03-29 02:11:46,469 INFO L206 PostProcessor]: Analyzing one entry point: main 14.33/6.72 [2019-03-29 02:11:46,474 INFO L191 MainTranslator]: Completed pre-run 14.33/6.72 [2019-03-29 02:11:46,505 INFO L206 PostProcessor]: Analyzing one entry point: main 14.33/6.72 [2019-03-29 02:11:46,585 INFO L195 MainTranslator]: Completed translation 14.33/6.72 [2019-03-29 02:11:46,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46 WrapperNode 14.33/6.72 [2019-03-29 02:11:46,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.33/6.72 [2019-03-29 02:11:46,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.33/6.72 [2019-03-29 02:11:46,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.33/6.72 [2019-03-29 02:11:46,587 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.33/6.72 [2019-03-29 02:11:46,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 14.33/6.72 [2019-03-29 02:11:46,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 14.33/6.72 [2019-03-29 02:11:46,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.33/6.72 [2019-03-29 02:11:46,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.33/6.72 [2019-03-29 02:11:46,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.33/6.72 [2019-03-29 02:11:46,626 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.33/6.72 [2019-03-29 02:11:46,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 14.33/6.72 [2019-03-29 02:11:46,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 14.33/6.72 [2019-03-29 02:11:46,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 14.33/6.72 [2019-03-29 02:11:46,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 14.33/6.72 [2019-03-29 02:11:46,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 14.33/6.72 [2019-03-29 02:11:46,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 14.33/6.72 [2019-03-29 02:11:46,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 14.33/6.72 [2019-03-29 02:11:46,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.33/6.72 [2019-03-29 02:11:46,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.33/6.72 [2019-03-29 02:11:46,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.33/6.72 [2019-03-29 02:11:46,647 INFO L276 PluginConnector]: RCFGBuilder initialized 14.33/6.72 [2019-03-29 02:11:46,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (1/1) ... 14.33/6.72 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.33/6.72 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.33/6.72 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.33/6.72 [2019-03-29 02:11:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.33/6.72 [2019-03-29 02:11:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.33/6.72 [2019-03-29 02:11:46,856 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.33/6.72 [2019-03-29 02:11:46,857 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 14.33/6.72 [2019-03-29 02:11:46,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:11:46 BoogieIcfgContainer 14.33/6.72 [2019-03-29 02:11:46,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.33/6.72 [2019-03-29 02:11:46,859 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.33/6.72 [2019-03-29 02:11:46,859 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.33/6.72 [2019-03-29 02:11:46,862 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.33/6.72 [2019-03-29 02:11:46,862 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:11:46" (1/1) ... 14.33/6.72 [2019-03-29 02:11:46,878 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 14.33/6.72 [2019-03-29 02:11:46,880 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.33/6.72 [2019-03-29 02:11:46,880 INFO L263 BlockEncoder]: Using Maximize final states 14.33/6.72 [2019-03-29 02:11:46,881 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.33/6.72 [2019-03-29 02:11:46,881 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.33/6.72 [2019-03-29 02:11:46,883 INFO L296 BlockEncoder]: Using Remove sink states 14.33/6.72 [2019-03-29 02:11:46,884 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.33/6.72 [2019-03-29 02:11:46,884 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.33/6.72 [2019-03-29 02:11:46,902 INFO L185 BlockEncoder]: Using Use SBE 14.33/6.72 [2019-03-29 02:11:46,917 INFO L200 BlockEncoder]: SBE split 1 edges 14.33/6.72 [2019-03-29 02:11:46,922 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.33/6.72 [2019-03-29 02:11:46,923 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.33/6.72 [2019-03-29 02:11:46,935 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 14.33/6.72 [2019-03-29 02:11:46,937 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 14.33/6.72 [2019-03-29 02:11:46,938 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.33/6.72 [2019-03-29 02:11:46,939 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.33/6.72 [2019-03-29 02:11:46,939 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.33/6.72 [2019-03-29 02:11:46,939 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.33/6.72 [2019-03-29 02:11:46,940 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 14.33/6.72 [2019-03-29 02:11:46,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:11:46 BasicIcfg 14.33/6.72 [2019-03-29 02:11:46,940 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.33/6.72 [2019-03-29 02:11:46,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.33/6.72 [2019-03-29 02:11:46,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.33/6.72 [2019-03-29 02:11:46,945 INFO L276 PluginConnector]: TraceAbstraction initialized 14.33/6.72 [2019-03-29 02:11:46,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:11:46" (1/4) ... 14.33/6.72 [2019-03-29 02:11:46,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ac29cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:11:46, skipping insertion in model container 14.33/6.72 [2019-03-29 02:11:46,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (2/4) ... 14.33/6.72 [2019-03-29 02:11:46,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ac29cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:11:46, skipping insertion in model container 14.33/6.72 [2019-03-29 02:11:46,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:11:46" (3/4) ... 14.33/6.72 [2019-03-29 02:11:46,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ac29cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:11:46, skipping insertion in model container 14.33/6.72 [2019-03-29 02:11:46,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:11:46" (4/4) ... 14.33/6.72 [2019-03-29 02:11:46,949 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.33/6.72 [2019-03-29 02:11:46,959 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.33/6.72 [2019-03-29 02:11:46,967 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.33/6.72 [2019-03-29 02:11:46,984 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.33/6.72 [2019-03-29 02:11:47,014 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.33/6.72 [2019-03-29 02:11:47,015 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.33/6.72 [2019-03-29 02:11:47,015 INFO L383 AbstractCegarLoop]: Hoare is true 14.33/6.72 [2019-03-29 02:11:47,015 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.33/6.72 [2019-03-29 02:11:47,015 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.33/6.72 [2019-03-29 02:11:47,015 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.33/6.72 [2019-03-29 02:11:47,015 INFO L387 AbstractCegarLoop]: Difference is false 14.33/6.72 [2019-03-29 02:11:47,016 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.33/6.72 [2019-03-29 02:11:47,016 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.33/6.72 [2019-03-29 02:11:47,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 14.33/6.72 [2019-03-29 02:11:47,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.33/6.72 [2019-03-29 02:11:47,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 14.33/6.72 [2019-03-29 02:11:47,089 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.33/6.72 [2019-03-29 02:11:47,089 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 16) no Hoare annotation was computed. 14.33/6.72 [2019-03-29 02:11:47,090 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 9 17) the Hoare annotation is: true 14.33/6.72 [2019-03-29 02:11:47,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:11:47 BasicIcfg 14.33/6.72 [2019-03-29 02:11:47,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.33/6.72 [2019-03-29 02:11:47,098 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.33/6.72 [2019-03-29 02:11:47,099 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.33/6.72 [2019-03-29 02:11:47,102 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.33/6.72 [2019-03-29 02:11:47,103 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.33/6.72 [2019-03-29 02:11:47,103 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:11:46" (1/5) ... 14.33/6.72 [2019-03-29 02:11:47,104 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bce8ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:11:47, skipping insertion in model container 14.33/6.72 [2019-03-29 02:11:47,104 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.33/6.72 [2019-03-29 02:11:47,104 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:11:46" (2/5) ... 14.33/6.72 [2019-03-29 02:11:47,104 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bce8ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:11:47, skipping insertion in model container 14.33/6.72 [2019-03-29 02:11:47,104 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.33/6.72 [2019-03-29 02:11:47,104 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:11:46" (3/5) ... 14.33/6.72 [2019-03-29 02:11:47,105 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bce8ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:11:47, skipping insertion in model container 14.33/6.72 [2019-03-29 02:11:47,105 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.33/6.72 [2019-03-29 02:11:47,105 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:11:46" (4/5) ... 14.33/6.72 [2019-03-29 02:11:47,106 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bce8ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:11:47, skipping insertion in model container 14.33/6.72 [2019-03-29 02:11:47,106 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.33/6.72 [2019-03-29 02:11:47,106 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:11:47" (5/5) ... 14.33/6.72 [2019-03-29 02:11:47,107 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.33/6.72 [2019-03-29 02:11:47,134 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.33/6.72 [2019-03-29 02:11:47,134 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.33/6.72 [2019-03-29 02:11:47,134 INFO L375 BuchiCegarLoop]: Hoare is true 14.33/6.72 [2019-03-29 02:11:47,134 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.33/6.72 [2019-03-29 02:11:47,134 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.33/6.72 [2019-03-29 02:11:47,135 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.33/6.72 [2019-03-29 02:11:47,135 INFO L379 BuchiCegarLoop]: Difference is false 14.33/6.72 [2019-03-29 02:11:47,135 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.33/6.72 [2019-03-29 02:11:47,135 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.33/6.72 [2019-03-29 02:11:47,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.33/6.72 [2019-03-29 02:11:47,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.33/6.72 [2019-03-29 02:11:47,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.33/6.72 [2019-03-29 02:11:47,156 INFO L119 BuchiIsEmpty]: Starting construction of run 14.33/6.72 [2019-03-29 02:11:47,161 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.33/6.72 [2019-03-29 02:11:47,161 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.33/6.72 [2019-03-29 02:11:47,162 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.33/6.72 [2019-03-29 02:11:47,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.33/6.72 [2019-03-29 02:11:47,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.33/6.72 [2019-03-29 02:11:47,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.33/6.72 [2019-03-29 02:11:47,163 INFO L119 BuchiIsEmpty]: Starting construction of run 14.33/6.72 [2019-03-29 02:11:47,163 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.33/6.72 [2019-03-29 02:11:47,163 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.33/6.72 [2019-03-29 02:11:47,168 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L10-2true 14.33/6.72 [2019-03-29 02:11:47,169 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [35] L10-2-->L10: Formula: (> 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 3#L10true [34] L10-->L10-2: Formula: (and (= 0 (+ v_ULTIMATE.start_main_~i~0_13 v_ULTIMATE.start_main_~i~0_11 1)) (>= v_ULTIMATE.start_main_~i~0_13 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L10-2true 14.33/6.72 [2019-03-29 02:11:47,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.33/6.72 [2019-03-29 02:11:47,175 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times 14.33/6.72 [2019-03-29 02:11:47,177 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.33/6.72 [2019-03-29 02:11:47,177 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.33/6.72 [2019-03-29 02:11:47,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.33/6.72 [2019-03-29 02:11:47,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.33/6.72 [2019-03-29 02:11:47,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.33/6.72 [2019-03-29 02:11:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.33/6.72 [2019-03-29 02:11:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.33/6.72 [2019-03-29 02:11:47,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.33/6.72 [2019-03-29 02:11:47,246 INFO L82 PathProgramCache]: Analyzing trace with hash 2080, now seen corresponding path program 1 times 14.33/6.72 [2019-03-29 02:11:47,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.33/6.72 [2019-03-29 02:11:47,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.33/6.72 [2019-03-29 02:11:47,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.33/6.72 [2019-03-29 02:11:47,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.33/6.72 [2019-03-29 02:11:47,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.33/6.72 [2019-03-29 02:11:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.33/6.72 [2019-03-29 02:11:47,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.33/6.72 [2019-03-29 02:11:47,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.33/6.72 [2019-03-29 02:11:47,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 14.33/6.72 [2019-03-29 02:11:47,298 INFO L811 eck$LassoCheckResult]: loop already infeasible 14.33/6.72 [2019-03-29 02:11:47,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 14.33/6.72 [2019-03-29 02:11:47,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.33/6.72 [2019-03-29 02:11:47,317 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 3 states. 14.33/6.72 [2019-03-29 02:11:47,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.33/6.72 [2019-03-29 02:11:47,352 INFO L93 Difference]: Finished difference Result 5 states and 7 transitions. 14.33/6.72 [2019-03-29 02:11:47,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 14.33/6.72 [2019-03-29 02:11:47,357 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 7 transitions. 14.33/6.72 [2019-03-29 02:11:47,358 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 14.33/6.72 [2019-03-29 02:11:47,362 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 5 states and 7 transitions. 14.33/6.72 [2019-03-29 02:11:47,363 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 14.33/6.72 [2019-03-29 02:11:47,363 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 14.33/6.72 [2019-03-29 02:11:47,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 7 transitions. 14.33/6.72 [2019-03-29 02:11:47,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.33/6.72 [2019-03-29 02:11:47,364 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 14.33/6.72 [2019-03-29 02:11:47,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 7 transitions. 14.33/6.72 [2019-03-29 02:11:47,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. 14.33/6.72 [2019-03-29 02:11:47,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 14.33/6.72 [2019-03-29 02:11:47,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. 14.33/6.72 [2019-03-29 02:11:47,396 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 14.33/6.72 [2019-03-29 02:11:47,396 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 14.33/6.72 [2019-03-29 02:11:47,396 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.33/6.72 [2019-03-29 02:11:47,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. 14.33/6.72 [2019-03-29 02:11:47,397 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 14.33/6.72 [2019-03-29 02:11:47,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.33/6.72 [2019-03-29 02:11:47,397 INFO L119 BuchiIsEmpty]: Starting construction of run 14.33/6.72 [2019-03-29 02:11:47,397 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.33/6.72 [2019-03-29 02:11:47,397 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.33/6.72 [2019-03-29 02:11:47,398 INFO L794 eck$LassoCheckResult]: Stem: 19#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~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_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 18#L10-2 14.33/6.72 [2019-03-29 02:11:47,398 INFO L796 eck$LassoCheckResult]: Loop: 18#L10-2 [35] L10-2-->L10: Formula: (> 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 17#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_10 0) (= 1 (+ v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~i~0_10))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 18#L10-2 14.33/6.72 [2019-03-29 02:11:47,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.33/6.72 [2019-03-29 02:11:47,399 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 2 times 14.33/6.72 [2019-03-29 02:11:47,399 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.33/6.72 [2019-03-29 02:11:47,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.33/6.72 [2019-03-29 02:11:47,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.33/6.72 [2019-03-29 02:11:47,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.33/6.72 [2019-03-29 02:11:47,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.33/6.72 [2019-03-29 02:11:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.33/6.72 [2019-03-29 02:11:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.33/6.72 [2019-03-29 02:11:47,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.33/6.72 [2019-03-29 02:11:47,405 INFO L82 PathProgramCache]: Analyzing trace with hash 2070, now seen corresponding path program 1 times 14.33/6.72 [2019-03-29 02:11:47,405 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.33/6.72 [2019-03-29 02:11:47,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.33/6.72 [2019-03-29 02:11:47,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.33/6.72 [2019-03-29 02:11:47,406 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 14.33/6.72 [2019-03-29 02:11:47,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.33/6.72 [2019-03-29 02:11:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.33/6.72 [2019-03-29 02:11:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.33/6.72 [2019-03-29 02:11:47,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.33/6.72 [2019-03-29 02:11:47,413 INFO L82 PathProgramCache]: Analyzing trace with hash 55886, now seen corresponding path program 1 times 14.33/6.72 [2019-03-29 02:11:47,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.33/6.72 [2019-03-29 02:11:47,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.33/6.72 [2019-03-29 02:11:47,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.33/6.72 [2019-03-29 02:11:47,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.33/6.72 [2019-03-29 02:11:47,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.33/6.72 [2019-03-29 02:11:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.33/6.72 [2019-03-29 02:11:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.33/6.72 [2019-03-29 02:11:47,457 INFO L216 LassoAnalysis]: Preferences: 14.33/6.72 [2019-03-29 02:11:47,458 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.33/6.72 [2019-03-29 02:11:47,458 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.33/6.72 [2019-03-29 02:11:47,458 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.33/6.72 [2019-03-29 02:11:47,459 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.33/6.72 [2019-03-29 02:11:47,459 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.72 [2019-03-29 02:11:47,459 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.33/6.72 [2019-03-29 02:11:47,459 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.33/6.72 [2019-03-29 02:11:47,459 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.33/6.72 [2019-03-29 02:11:47,460 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.33/6.72 [2019-03-29 02:11:47,460 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.33/6.72 [2019-03-29 02:11:47,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.33/6.72 [2019-03-29 02:11:47,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.33/6.72 [2019-03-29 02:11:47,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.33/6.72 [2019-03-29 02:11:47,560 INFO L300 LassoAnalysis]: Preprocessing complete. 14.33/6.72 [2019-03-29 02:11:47,561 INFO L412 LassoAnalysis]: Checking for nontermination... 14.33/6.72 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.33/6.72 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.33/6.72 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.72 [2019-03-29 02:11:47,571 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.33/6.72 [2019-03-29 02:11:47,571 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.33/6.72 [2019-03-29 02:11:47,606 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.33/6.72 [2019-03-29 02:11:47,606 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.33/6.72 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.33/6.72 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.33/6.72 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.72 [2019-03-29 02:11:47,613 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.33/6.72 [2019-03-29 02:11:47,613 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.33/6.72 [2019-03-29 02:11:47,641 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.33/6.72 [2019-03-29 02:11:47,642 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.33/6.72 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.33/6.72 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.33/6.72 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.72 [2019-03-29 02:11:47,648 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.33/6.72 [2019-03-29 02:11:47,648 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.33/6.72 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.33/6.72 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.33/6.72 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.72 [2019-03-29 02:11:47,683 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.33/6.72 [2019-03-29 02:11:47,683 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.33/6.72 [2019-03-29 02:11:47,714 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.33/6.72 [2019-03-29 02:11:47,717 INFO L216 LassoAnalysis]: Preferences: 14.33/6.72 [2019-03-29 02:11:47,717 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.33/6.72 [2019-03-29 02:11:47,717 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.33/6.72 [2019-03-29 02:11:47,717 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.33/6.72 [2019-03-29 02:11:47,717 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.33/6.72 [2019-03-29 02:11:47,717 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.33/6.72 [2019-03-29 02:11:47,718 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.33/6.72 [2019-03-29 02:11:47,718 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.33/6.72 [2019-03-29 02:11:47,718 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.33/6.72 [2019-03-29 02:11:47,718 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.33/6.72 [2019-03-29 02:11:47,718 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.33/6.72 [2019-03-29 02:11:47,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.33/6.72 [2019-03-29 02:11:47,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.33/6.72 [2019-03-29 02:11:47,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.33/6.72 [2019-03-29 02:11:47,800 INFO L300 LassoAnalysis]: Preprocessing complete. 14.33/6.72 [2019-03-29 02:11:47,806 INFO L497 LassoAnalysis]: Using template 'affine'. 14.33/6.72 [2019-03-29 02:11:47,808 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.33/6.72 Termination analysis: LINEAR_WITH_GUESSES 14.33/6.72 Number of strict supporting invariants: 0 14.33/6.72 Number of non-strict supporting invariants: 1 14.33/6.72 Consider only non-deceasing supporting invariants: true 14.33/6.72 Simplify termination arguments: true 14.33/6.72 Simplify supporting invariants: trueOverapproximate stem: false 14.33/6.72 [2019-03-29 02:11:47,810 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.33/6.72 [2019-03-29 02:11:47,810 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.33/6.72 [2019-03-29 02:11:47,810 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.33/6.72 [2019-03-29 02:11:47,810 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.33/6.72 [2019-03-29 02:11:47,815 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.33/6.72 [2019-03-29 02:11:47,816 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.33/6.72 [2019-03-29 02:11:47,824 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.33/6.72 [2019-03-29 02:11:47,825 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.33/6.72 Termination analysis: LINEAR_WITH_GUESSES 14.33/6.72 Number of strict supporting invariants: 0 14.33/6.72 Number of non-strict supporting invariants: 1 14.33/6.72 Consider only non-deceasing supporting invariants: true 14.33/6.72 Simplify termination arguments: true 14.33/6.72 Simplify supporting invariants: trueOverapproximate stem: false 14.33/6.72 [2019-03-29 02:11:47,826 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.33/6.72 [2019-03-29 02:11:47,826 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.33/6.72 [2019-03-29 02:11:47,826 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.33/6.72 [2019-03-29 02:11:47,826 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.33/6.72 [2019-03-29 02:11:47,829 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.33/6.72 [2019-03-29 02:11:47,829 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.33/6.72 [2019-03-29 02:11:47,838 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.33/6.72 [2019-03-29 02:11:47,839 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.33/6.72 Termination analysis: LINEAR_WITH_GUESSES 14.33/6.72 Number of strict supporting invariants: 0 14.33/6.72 Number of non-strict supporting invariants: 1 14.33/6.72 Consider only non-deceasing supporting invariants: true 14.33/6.72 Simplify termination arguments: true 14.33/6.72 Simplify supporting invariants: trueOverapproximate stem: false 14.33/6.72 [2019-03-29 02:11:47,840 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.33/6.72 [2019-03-29 02:11:47,840 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.33/6.72 [2019-03-29 02:11:47,841 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.33/6.72 [2019-03-29 02:11:47,841 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.33/6.72 [2019-03-29 02:11:47,841 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.33/6.72 [2019-03-29 02:11:47,842 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.33/6.72 [2019-03-29 02:11:47,842 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.33/6.72 [2019-03-29 02:11:47,850 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.33/6.72 [2019-03-29 02:11:47,855 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.33/6.72 [2019-03-29 02:11:47,855 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.33/6.72 [2019-03-29 02:11:47,857 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.33/6.72 [2019-03-29 02:11:47,857 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.33/6.72 [2019-03-29 02:11:47,858 INFO L518 LassoAnalysis]: Proved termination. 14.33/6.72 [2019-03-29 02:11:47,858 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.33/6.72 Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 14.33/6.72 Supporting invariants [] 14.33/6.72 [2019-03-29 02:11:47,860 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.33/6.72 [2019-03-29 02:11:47,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.33/6.72 [2019-03-29 02:11:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.33/6.72 [2019-03-29 02:11:47,919 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core 14.33/6.72 [2019-03-29 02:11:47,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.33/6.72 [2019-03-29 02:11:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.33/6.72 [2019-03-29 02:11:47,931 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 14.33/6.72 [2019-03-29 02:11:47,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.33/6.72 [2019-03-29 02:11:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.33/6.72 [2019-03-29 02:11:47,963 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.33/6.72 [2019-03-29 02:11:47,966 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 2 loop predicates 14.33/6.73 [2019-03-29 02:11:47,967 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3 Second operand 3 states. 14.33/6.73 [2019-03-29 02:11:48,004 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 15 states and 22 transitions. Complement of second has 8 states. 14.33/6.73 [2019-03-29 02:11:48,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states 14.33/6.73 [2019-03-29 02:11:48,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.33/6.73 [2019-03-29 02:11:48,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. 14.33/6.73 [2019-03-29 02:11:48,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 2 letters. 14.33/6.73 [2019-03-29 02:11:48,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.33/6.73 [2019-03-29 02:11:48,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. 14.33/6.73 [2019-03-29 02:11:48,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.33/6.73 [2019-03-29 02:11:48,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 4 letters. 14.33/6.73 [2019-03-29 02:11:48,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.33/6.73 [2019-03-29 02:11:48,014 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 22 transitions. 14.33/6.73 [2019-03-29 02:11:48,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 14.33/6.73 [2019-03-29 02:11:48,016 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 12 states and 18 transitions. 14.33/6.73 [2019-03-29 02:11:48,016 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 14.33/6.73 [2019-03-29 02:11:48,017 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 14.33/6.73 [2019-03-29 02:11:48,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 18 transitions. 14.33/6.73 [2019-03-29 02:11:48,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.33/6.73 [2019-03-29 02:11:48,017 INFO L706 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. 14.33/6.73 [2019-03-29 02:11:48,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 18 transitions. 14.33/6.73 [2019-03-29 02:11:48,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 9. 14.33/6.73 [2019-03-29 02:11:48,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. 14.33/6.73 [2019-03-29 02:11:48,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 15 transitions. 14.33/6.73 [2019-03-29 02:11:48,019 INFO L729 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. 14.33/6.73 [2019-03-29 02:11:48,019 INFO L609 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. 14.33/6.73 [2019-03-29 02:11:48,019 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.33/6.73 [2019-03-29 02:11:48,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 15 transitions. 14.33/6.73 [2019-03-29 02:11:48,020 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 14.33/6.73 [2019-03-29 02:11:48,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.33/6.73 [2019-03-29 02:11:48,020 INFO L119 BuchiIsEmpty]: Starting construction of run 14.33/6.73 [2019-03-29 02:11:48,021 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 14.33/6.73 [2019-03-29 02:11:48,021 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 14.33/6.73 [2019-03-29 02:11:48,021 INFO L794 eck$LassoCheckResult]: Stem: 77#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~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_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 78#L10-2 [36] L10-2-->L10: Formula: (< 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 80#L10 [34] L10-->L10-2: Formula: (and (= 0 (+ v_ULTIMATE.start_main_~i~0_13 v_ULTIMATE.start_main_~i~0_11 1)) (>= v_ULTIMATE.start_main_~i~0_13 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 79#L10-2 14.33/6.73 [2019-03-29 02:11:48,022 INFO L796 eck$LassoCheckResult]: Loop: 79#L10-2 [35] L10-2-->L10: Formula: (> 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 73#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_10 0) (= 1 (+ v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~i~0_10))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 74#L10-2 [36] L10-2-->L10: Formula: (< 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 81#L10 [34] L10-->L10-2: Formula: (and (= 0 (+ v_ULTIMATE.start_main_~i~0_13 v_ULTIMATE.start_main_~i~0_11 1)) (>= v_ULTIMATE.start_main_~i~0_13 0)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 79#L10-2 14.33/6.73 [2019-03-29 02:11:48,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.33/6.73 [2019-03-29 02:11:48,022 INFO L82 PathProgramCache]: Analyzing trace with hash 55927, now seen corresponding path program 1 times 14.33/6.73 [2019-03-29 02:11:48,022 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.33/6.73 [2019-03-29 02:11:48,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.33/6.73 [2019-03-29 02:11:48,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.33/6.73 [2019-03-29 02:11:48,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.33/6.73 [2019-03-29 02:11:48,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.33/6.73 [2019-03-29 02:11:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.33/6.73 [2019-03-29 02:11:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.33/6.73 [2019-03-29 02:11:48,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.33/6.73 [2019-03-29 02:11:48,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1990420, now seen corresponding path program 1 times 14.33/6.73 [2019-03-29 02:11:48,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.33/6.73 [2019-03-29 02:11:48,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.33/6.73 [2019-03-29 02:11:48,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.33/6.73 [2019-03-29 02:11:48,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.33/6.73 [2019-03-29 02:11:48,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.33/6.73 [2019-03-29 02:11:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.33/6.73 [2019-03-29 02:11:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.33/6.73 [2019-03-29 02:11:48,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.33/6.73 [2019-03-29 02:11:48,039 INFO L82 PathProgramCache]: Analyzing trace with hash 111218314, now seen corresponding path program 1 times 14.33/6.73 [2019-03-29 02:11:48,039 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.33/6.73 [2019-03-29 02:11:48,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.33/6.73 [2019-03-29 02:11:48,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.33/6.73 [2019-03-29 02:11:48,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.33/6.73 [2019-03-29 02:11:48,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.33/6.73 [2019-03-29 02:11:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.33/6.73 [2019-03-29 02:11:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.33/6.73 [2019-03-29 02:11:48,076 INFO L216 LassoAnalysis]: Preferences: 14.33/6.73 [2019-03-29 02:11:48,077 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.33/6.73 [2019-03-29 02:11:48,077 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.33/6.73 [2019-03-29 02:11:48,077 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.33/6.73 [2019-03-29 02:11:48,077 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.33/6.73 [2019-03-29 02:11:48,077 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.73 [2019-03-29 02:11:48,077 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.33/6.73 [2019-03-29 02:11:48,078 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.33/6.73 [2019-03-29 02:11:48,078 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 14.33/6.73 [2019-03-29 02:11:48,078 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.33/6.73 [2019-03-29 02:11:48,078 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.33/6.73 [2019-03-29 02:11:48,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.33/6.73 [2019-03-29 02:11:48,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.33/6.73 [2019-03-29 02:11:48,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.33/6.73 [2019-03-29 02:11:48,129 INFO L300 LassoAnalysis]: Preprocessing complete. 14.33/6.73 [2019-03-29 02:11:48,129 INFO L412 LassoAnalysis]: Checking for nontermination... 14.33/6.73 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.33/6.73 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.33/6.73 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.73 [2019-03-29 02:11:48,137 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.33/6.73 [2019-03-29 02:11:48,138 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.33/6.73 [2019-03-29 02:11:48,166 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.33/6.73 [2019-03-29 02:11:48,166 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: [] 14.33/6.73 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.33/6.73 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.33/6.73 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.73 [2019-03-29 02:11:48,172 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.33/6.73 [2019-03-29 02:11:48,172 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.33/6.73 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.33/6.73 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.33/6.73 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.73 [2019-03-29 02:11:48,205 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.33/6.73 [2019-03-29 02:11:48,205 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.33/6.73 [2019-03-29 02:11:48,222 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.33/6.73 [2019-03-29 02:11:48,223 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=-1} Honda state: {ULTIMATE.start_main_~i~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=0}, {ULTIMATE.start_main_~i~0=0}, {ULTIMATE.start_main_~i~0=-2}] Lambdas: [0, 0, 1] Nus: [0, 0] 14.33/6.73 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.33/6.73 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.33/6.73 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.73 [2019-03-29 02:11:48,254 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.33/6.73 [2019-03-29 02:11:48,254 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.33/6.73 [2019-03-29 02:11:48,282 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.33/6.73 [2019-03-29 02:11:48,282 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: [] 14.33/6.73 [2019-03-29 02:11:48,300 INFO L216 LassoAnalysis]: Preferences: 14.33/6.73 [2019-03-29 02:11:48,300 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.33/6.73 [2019-03-29 02:11:48,300 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.33/6.73 [2019-03-29 02:11:48,300 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.33/6.73 [2019-03-29 02:11:48,300 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.33/6.73 [2019-03-29 02:11:48,301 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.73 [2019-03-29 02:11:48,301 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.33/6.73 [2019-03-29 02:11:48,301 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.33/6.73 [2019-03-29 02:11:48,301 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 14.33/6.73 [2019-03-29 02:11:48,302 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.33/6.73 [2019-03-29 02:11:48,302 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.33/6.73 [2019-03-29 02:11:48,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.33/6.73 [2019-03-29 02:11:48,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.33/6.73 [2019-03-29 02:11:48,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.33/6.73 [2019-03-29 02:11:48,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.33/6.73 [2019-03-29 02:11:48,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.33/6.73 [2019-03-29 02:11:48,366 INFO L300 LassoAnalysis]: Preprocessing complete. 14.33/6.73 [2019-03-29 02:11:48,366 INFO L412 LassoAnalysis]: Checking for nontermination... 14.33/6.73 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.33/6.73 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.33/6.73 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.73 [2019-03-29 02:11:48,377 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.33/6.73 [2019-03-29 02:11:48,377 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.33/6.73 [2019-03-29 02:11:48,382 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.33/6.73 [2019-03-29 02:11:48,382 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.33/6.73 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.33/6.73 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.33/6.73 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.73 [2019-03-29 02:11:48,416 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.33/6.73 [2019-03-29 02:11:48,417 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.33/6.73 [2019-03-29 02:11:48,446 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.33/6.73 [2019-03-29 02:11:48,447 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_4=0} Honda state: {v_rep~unnamed0~0~false_4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.33/6.73 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.33/6.73 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.33/6.73 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.73 [2019-03-29 02:11:48,454 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.33/6.73 [2019-03-29 02:11:48,455 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.33/6.73 [2019-03-29 02:11:48,459 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.33/6.73 [2019-03-29 02:11:48,459 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.33/6.73 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.33/6.73 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.33/6.73 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.73 [2019-03-29 02:11:48,491 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.33/6.73 [2019-03-29 02:11:48,491 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.33/6.73 [2019-03-29 02:11:48,520 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.33/6.73 [2019-03-29 02:11:48,520 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_4=1} Honda state: {v_rep~unnamed0~0~true_4=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.33/6.73 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.33/6.73 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.33/6.73 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.73 [2019-03-29 02:11:48,528 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.33/6.73 [2019-03-29 02:11:48,528 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.33/6.73 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.33/6.73 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.33/6.73 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.33/6.73 [2019-03-29 02:11:48,565 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.33/6.73 [2019-03-29 02:11:48,566 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.33/6.73 [2019-03-29 02:11:48,582 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.33/6.73 [2019-03-29 02:11:48,583 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~i~0=-2} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=-2}, {ULTIMATE.start_main_~i~0=0}, {ULTIMATE.start_main_~i~0=0}] Lambdas: [1, 10, 9] Nus: [0, 0] 14.33/6.73 [2019-03-29 02:11:48,616 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 [2019-03-29 02:11:48,617 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 [2019-03-29 02:11:48,618 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 [2019-03-29 02:11:48,618 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 [2019-03-29 02:11:48,619 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 [2019-03-29 02:11:48,619 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 [2019-03-29 02:11:48,619 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 [2019-03-29 02:11:48,620 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 [2019-03-29 02:11:48,620 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 [2019-03-29 02:11:48,620 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 [2019-03-29 02:11:48,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:11:48 BasicIcfg 14.33/6.73 [2019-03-29 02:11:48,633 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.33/6.73 [2019-03-29 02:11:48,633 INFO L168 Benchmark]: Toolchain (without parser) took 2358.69 ms. Allocated memory was 649.6 MB in the beginning and 679.5 MB in the end (delta: 29.9 MB). Free memory was 564.9 MB in the beginning and 459.3 MB in the end (delta: 105.6 MB). Peak memory consumption was 135.5 MB. Max. memory is 50.3 GB. 14.33/6.73 [2019-03-29 02:11:48,635 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.33/6.73 [2019-03-29 02:11:48,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.73 ms. Allocated memory was 649.6 MB in the beginning and 679.5 MB in the end (delta: 29.9 MB). Free memory was 564.9 MB in the beginning and 647.0 MB in the end (delta: -82.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 14.33/6.73 [2019-03-29 02:11:48,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.31 ms. Allocated memory is still 679.5 MB. Free memory was 647.0 MB in the beginning and 645.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.33/6.73 [2019-03-29 02:11:48,637 INFO L168 Benchmark]: Boogie Preprocessor took 20.60 ms. Allocated memory is still 679.5 MB. Free memory was 645.6 MB in the beginning and 642.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.33/6.73 [2019-03-29 02:11:48,638 INFO L168 Benchmark]: RCFGBuilder took 211.87 ms. Allocated memory is still 679.5 MB. Free memory was 642.5 MB in the beginning and 628.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 50.3 GB. 14.33/6.73 [2019-03-29 02:11:48,638 INFO L168 Benchmark]: BlockEncodingV2 took 81.68 ms. Allocated memory is still 679.5 MB. Free memory was 628.5 MB in the beginning and 624.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 14.33/6.73 [2019-03-29 02:11:48,639 INFO L168 Benchmark]: TraceAbstraction took 156.66 ms. Allocated memory is still 679.5 MB. Free memory was 623.1 MB in the beginning and 615.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 14.33/6.73 [2019-03-29 02:11:48,640 INFO L168 Benchmark]: BuchiAutomizer took 1534.54 ms. Allocated memory is still 679.5 MB. Free memory was 615.0 MB in the beginning and 459.3 MB in the end (delta: 155.7 MB). Peak memory consumption was 155.7 MB. Max. memory is 50.3 GB. 14.33/6.73 [2019-03-29 02:11:48,644 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.33/6.73 --- Results --- 14.33/6.73 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.33/6.73 - StatisticsResult: Initial Icfg 14.33/6.73 7 locations, 9 edges 14.33/6.73 - StatisticsResult: Encoded RCFG 14.33/6.73 3 locations, 5 edges 14.33/6.73 * Results from de.uni_freiburg.informatik.ultimate.core: 14.33/6.73 - StatisticsResult: Toolchain Benchmarks 14.33/6.73 Benchmark results are: 14.33/6.73 * CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.33/6.73 * CACSL2BoogieTranslator took 309.73 ms. Allocated memory was 649.6 MB in the beginning and 679.5 MB in the end (delta: 29.9 MB). Free memory was 564.9 MB in the beginning and 647.0 MB in the end (delta: -82.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 14.33/6.73 * Boogie Procedure Inliner took 38.31 ms. Allocated memory is still 679.5 MB. Free memory was 647.0 MB in the beginning and 645.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.33/6.73 * Boogie Preprocessor took 20.60 ms. Allocated memory is still 679.5 MB. Free memory was 645.6 MB in the beginning and 642.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.33/6.73 * RCFGBuilder took 211.87 ms. Allocated memory is still 679.5 MB. Free memory was 642.5 MB in the beginning and 628.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 50.3 GB. 14.33/6.73 * BlockEncodingV2 took 81.68 ms. Allocated memory is still 679.5 MB. Free memory was 628.5 MB in the beginning and 624.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 14.33/6.73 * TraceAbstraction took 156.66 ms. Allocated memory is still 679.5 MB. Free memory was 623.1 MB in the beginning and 615.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 14.33/6.73 * BuchiAutomizer took 1534.54 ms. Allocated memory is still 679.5 MB. Free memory was 615.0 MB in the beginning and 459.3 MB in the end (delta: 155.7 MB). Peak memory consumption was 155.7 MB. Max. memory is 50.3 GB. 14.33/6.73 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: 14.33/6.73 - GenericResult: Unfinished Backtranslation 14.33/6.73 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 - GenericResult: Unfinished Backtranslation 14.33/6.73 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 - GenericResult: Unfinished Backtranslation 14.33/6.73 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 - GenericResult: Unfinished Backtranslation 14.33/6.73 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 - GenericResult: Unfinished Backtranslation 14.33/6.73 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 - GenericResult: Unfinished Backtranslation 14.33/6.73 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 - GenericResult: Unfinished Backtranslation 14.33/6.73 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 - GenericResult: Unfinished Backtranslation 14.33/6.73 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 - GenericResult: Unfinished Backtranslation 14.33/6.73 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 - GenericResult: Unfinished Backtranslation 14.33/6.73 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.33/6.73 - AllSpecificationsHoldResult: All specifications hold 14.33/6.73 We were not able to verify any specifiation because the program does not contain any specification. 14.33/6.73 - InvariantResult [Line: 9]: Loop Invariant 14.33/6.73 Derived loop invariant: 1 14.33/6.73 - StatisticsResult: Ultimate Automizer benchmark data 14.33/6.73 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 14.33/6.73 - StatisticsResult: Constructed decomposition of program 14.33/6.73 Your program was decomposed into 2 terminating modules (1 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -1 * i and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 9 locations. 14.33/6.73 - StatisticsResult: Timing statistics 14.33/6.73 BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 9 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 27 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax213 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq155 hnf94 smp100 dnf100 smp100 tf110 neg100 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 14.33/6.73 - TerminationAnalysisResult: Nontermination possible 14.33/6.73 Buchi Automizer proved that your program is nonterminating for some inputs 14.33/6.73 - GeometricNonTerminationArgumentResult [Line: 9]: Nontermination argument in form of an infinite program execution. 14.33/6.73 [2019-03-29 02:11:48,653 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 [2019-03-29 02:11:48,653 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 [2019-03-29 02:11:48,654 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 [2019-03-29 02:11:48,654 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 [2019-03-29 02:11:48,655 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 [2019-03-29 02:11:48,655 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 [2019-03-29 02:11:48,655 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 [2019-03-29 02:11:48,656 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 [2019-03-29 02:11:48,656 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 [2019-03-29 02:11:48,656 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 [2019-03-29 02:11:48,657 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 [2019-03-29 02:11:48,657 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 [2019-03-29 02:11:48,657 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 [2019-03-29 02:11:48,658 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 [2019-03-29 02:11:48,658 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 [2019-03-29 02:11:48,658 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 [2019-03-29 02:11:48,659 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 [2019-03-29 02:11:48,659 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 [2019-03-29 02:11:48,659 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.33/6.73 [2019-03-29 02:11:48,660 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.33/6.73 Nontermination argument in form of an infinite execution 14.33/6.73 {|ULTIMATE.start_main_#t~nondet0|=0, ~unnamed0~0~true=1, ULTIMATE.start_main_~i~0=0, |ULTIMATE.start_main_#res|=0, ~unnamed0~0~false=0} 14.33/6.73 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13de1808=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=-2} 14.33/6.73 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13de1808=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=-4} 14.33/6.73 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13de1808=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=-6} 14.33/6.73 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13de1808=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=-8} 14.33/6.73 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13de1808=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=-10} 14.33/6.73 - StatisticsResult: NonterminationArgumentStatistics 14.33/6.73 Unbounded Execution 1GEVs Lambdas: [1, 10, 9] Mus: [0, 0] 14.33/6.73 - NonterminatingLassoResult [Line: 9]: Nonterminating execution 14.33/6.73 Found a nonterminating execution for the following lasso shaped sequence of statements. 14.33/6.73 Stem: 14.33/6.73 [L6] int i; 14.33/6.73 [L7] i = __VERIFIER_nondet_int() 14.33/6.73 [L9] COND TRUE i != 0 14.33/6.73 [L10] COND FALSE !(i < 0) 14.33/6.73 [L14] i = i+1 14.33/6.73 [L15] i = i*(-1) 14.33/6.73 Loop: 14.33/6.73 [L9] COND TRUE i != 0 14.33/6.73 [L10] COND TRUE i < 0 14.33/6.73 [L11] i = i-1 14.33/6.73 [L12] i = i*(-1) 14.33/6.73 [L9] COND TRUE i != 0 14.33/6.73 [L10] COND FALSE !(i < 0) 14.33/6.73 [L14] i = i+1 14.33/6.73 [L15] i = i*(-1) 14.33/6.73 End of lasso representation. 14.33/6.73 RESULT: Ultimate proved your program to be incorrect! 14.33/6.73 !SESSION 2019-03-29 02:11:42.979 ----------------------------------------------- 14.33/6.73 eclipse.buildId=unknown 14.33/6.73 java.version=1.8.0_181 14.33/6.73 java.vendor=Oracle Corporation 14.33/6.73 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.33/6.73 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 14.33/6.73 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 14.33/6.73 14.33/6.73 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:11:48.889 14.33/6.73 !MESSAGE The workspace will exit with unsaved changes in this session. 14.33/6.73 Received shutdown request... 14.33/6.73 Ultimate: 14.33/6.73 GTK+ Version Check 14.33/6.73 EOF