26.01/18.34 YES 26.01/18.34 26.01/18.34 Ultimate: Cannot open display: 26.01/18.34 This is Ultimate 0.1.24-8dc7c08-m 26.01/18.34 [2019-03-29 02:09:30,370 INFO L170 SettingsManager]: Resetting all preferences to default values... 26.01/18.34 [2019-03-29 02:09:30,372 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 26.01/18.34 [2019-03-29 02:09:30,383 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 26.01/18.34 [2019-03-29 02:09:30,384 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 26.01/18.34 [2019-03-29 02:09:30,385 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 26.01/18.34 [2019-03-29 02:09:30,386 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 26.01/18.34 [2019-03-29 02:09:30,387 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 26.01/18.34 [2019-03-29 02:09:30,389 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 26.01/18.34 [2019-03-29 02:09:30,390 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 26.01/18.34 [2019-03-29 02:09:30,390 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 26.01/18.34 [2019-03-29 02:09:30,391 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 26.01/18.34 [2019-03-29 02:09:30,391 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 26.01/18.34 [2019-03-29 02:09:30,392 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 26.01/18.34 [2019-03-29 02:09:30,393 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 26.01/18.34 [2019-03-29 02:09:30,394 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 26.01/18.34 [2019-03-29 02:09:30,395 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 26.01/18.34 [2019-03-29 02:09:30,397 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 26.01/18.34 [2019-03-29 02:09:30,398 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 26.01/18.34 [2019-03-29 02:09:30,400 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 26.01/18.34 [2019-03-29 02:09:30,401 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 26.01/18.34 [2019-03-29 02:09:30,402 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 26.01/18.34 [2019-03-29 02:09:30,404 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 26.01/18.34 [2019-03-29 02:09:30,404 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 26.01/18.34 [2019-03-29 02:09:30,405 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 26.01/18.34 [2019-03-29 02:09:30,405 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 26.01/18.34 [2019-03-29 02:09:30,406 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 26.01/18.34 [2019-03-29 02:09:30,407 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 26.01/18.34 [2019-03-29 02:09:30,407 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 26.01/18.34 [2019-03-29 02:09:30,408 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 26.01/18.34 [2019-03-29 02:09:30,408 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 26.01/18.34 [2019-03-29 02:09:30,409 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 26.01/18.34 [2019-03-29 02:09:30,410 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 26.01/18.34 [2019-03-29 02:09:30,410 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 26.01/18.34 [2019-03-29 02:09:30,411 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 26.01/18.34 [2019-03-29 02:09:30,411 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 26.01/18.34 [2019-03-29 02:09:30,411 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 26.01/18.34 [2019-03-29 02:09:30,412 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 26.01/18.34 [2019-03-29 02:09:30,413 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 26.01/18.34 [2019-03-29 02:09:30,413 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 26.01/18.34 [2019-03-29 02:09:30,428 INFO L110 SettingsManager]: Loading preferences was successful 26.01/18.34 [2019-03-29 02:09:30,428 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 26.01/18.34 [2019-03-29 02:09:30,429 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 26.01/18.34 [2019-03-29 02:09:30,429 INFO L133 SettingsManager]: * Rewrite not-equals=true 26.01/18.34 [2019-03-29 02:09:30,429 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 26.01/18.34 [2019-03-29 02:09:30,429 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 26.01/18.34 [2019-03-29 02:09:30,430 INFO L133 SettingsManager]: * Use SBE=true 26.01/18.34 [2019-03-29 02:09:30,430 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 26.01/18.34 [2019-03-29 02:09:30,430 INFO L133 SettingsManager]: * Use old map elimination=false 26.01/18.34 [2019-03-29 02:09:30,430 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 26.01/18.34 [2019-03-29 02:09:30,430 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 26.01/18.34 [2019-03-29 02:09:30,430 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 26.01/18.34 [2019-03-29 02:09:30,431 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 26.01/18.34 [2019-03-29 02:09:30,431 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 26.01/18.34 [2019-03-29 02:09:30,431 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.01/18.34 [2019-03-29 02:09:30,431 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 26.01/18.34 [2019-03-29 02:09:30,431 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 26.01/18.34 [2019-03-29 02:09:30,431 INFO L133 SettingsManager]: * Check division by zero=IGNORE 26.01/18.34 [2019-03-29 02:09:30,432 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 26.01/18.34 [2019-03-29 02:09:30,432 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 26.01/18.34 [2019-03-29 02:09:30,432 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 26.01/18.34 [2019-03-29 02:09:30,432 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 26.01/18.34 [2019-03-29 02:09:30,432 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 26.01/18.34 [2019-03-29 02:09:30,433 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 26.01/18.34 [2019-03-29 02:09:30,433 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 26.01/18.34 [2019-03-29 02:09:30,433 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 26.01/18.34 [2019-03-29 02:09:30,433 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 26.01/18.34 [2019-03-29 02:09:30,433 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 26.01/18.34 [2019-03-29 02:09:30,433 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 26.01/18.34 [2019-03-29 02:09:30,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 26.01/18.34 [2019-03-29 02:09:30,473 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 26.01/18.34 [2019-03-29 02:09:30,476 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 26.01/18.34 [2019-03-29 02:09:30,477 INFO L271 PluginConnector]: Initializing CDTParser... 26.01/18.34 [2019-03-29 02:09:30,478 INFO L276 PluginConnector]: CDTParser initialized 26.01/18.34 [2019-03-29 02:09:30,479 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 26.01/18.34 [2019-03-29 02:09:30,542 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/499d970740764240b0f4ae509e79f40a/FLAG9f04e0a7e 26.01/18.34 [2019-03-29 02:09:30,888 INFO L307 CDTParser]: Found 1 translation units. 26.01/18.34 [2019-03-29 02:09:30,888 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 26.01/18.34 [2019-03-29 02:09:30,895 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/499d970740764240b0f4ae509e79f40a/FLAG9f04e0a7e 26.01/18.34 [2019-03-29 02:09:31,306 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/499d970740764240b0f4ae509e79f40a 26.01/18.34 [2019-03-29 02:09:31,317 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 26.01/18.34 [2019-03-29 02:09:31,319 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 26.01/18.34 [2019-03-29 02:09:31,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 26.01/18.34 [2019-03-29 02:09:31,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 26.01/18.34 [2019-03-29 02:09:31,324 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 26.01/18.34 [2019-03-29 02:09:31,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:09:31" (1/1) ... 26.01/18.34 [2019-03-29 02:09:31,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ad8404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:31, skipping insertion in model container 26.01/18.34 [2019-03-29 02:09:31,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:09:31" (1/1) ... 26.01/18.34 [2019-03-29 02:09:31,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 26.01/18.34 [2019-03-29 02:09:31,355 INFO L176 MainTranslator]: Built tables and reachable declarations 26.01/18.34 [2019-03-29 02:09:31,517 INFO L206 PostProcessor]: Analyzing one entry point: main 26.01/18.34 [2019-03-29 02:09:31,521 INFO L191 MainTranslator]: Completed pre-run 26.01/18.34 [2019-03-29 02:09:31,539 INFO L206 PostProcessor]: Analyzing one entry point: main 26.01/18.34 [2019-03-29 02:09:31,554 INFO L195 MainTranslator]: Completed translation 26.01/18.34 [2019-03-29 02:09:31,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:31 WrapperNode 26.01/18.34 [2019-03-29 02:09:31,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 26.01/18.34 [2019-03-29 02:09:31,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 26.01/18.34 [2019-03-29 02:09:31,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 26.01/18.34 [2019-03-29 02:09:31,556 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 26.01/18.34 [2019-03-29 02:09:31,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:31" (1/1) ... 26.01/18.34 [2019-03-29 02:09:31,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:31" (1/1) ... 26.01/18.34 [2019-03-29 02:09:31,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 26.01/18.34 [2019-03-29 02:09:31,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 26.01/18.34 [2019-03-29 02:09:31,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 26.01/18.34 [2019-03-29 02:09:31,651 INFO L276 PluginConnector]: Boogie Preprocessor initialized 26.01/18.34 [2019-03-29 02:09:31,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:31" (1/1) ... 26.01/18.34 [2019-03-29 02:09:31,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:31" (1/1) ... 26.01/18.34 [2019-03-29 02:09:31,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:31" (1/1) ... 26.01/18.34 [2019-03-29 02:09:31,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:31" (1/1) ... 26.01/18.34 [2019-03-29 02:09:31,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:31" (1/1) ... 26.01/18.34 [2019-03-29 02:09:31,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:31" (1/1) ... 26.01/18.34 [2019-03-29 02:09:31,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:31" (1/1) ... 26.01/18.34 [2019-03-29 02:09:31,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 26.01/18.34 [2019-03-29 02:09:31,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 26.01/18.34 [2019-03-29 02:09:31,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... 26.01/18.34 [2019-03-29 02:09:31,672 INFO L276 PluginConnector]: RCFGBuilder initialized 26.01/18.34 [2019-03-29 02:09:31,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:31" (1/1) ... 26.01/18.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 26.01/18.34 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 26.01/18.34 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 26.01/18.34 [2019-03-29 02:09:31,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 26.01/18.34 [2019-03-29 02:09:31,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 26.01/18.34 [2019-03-29 02:09:31,860 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 26.01/18.34 [2019-03-29 02:09:31,861 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 26.01/18.34 [2019-03-29 02:09:31,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:09:31 BoogieIcfgContainer 26.01/18.34 [2019-03-29 02:09:31,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 26.01/18.34 [2019-03-29 02:09:31,863 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 26.01/18.34 [2019-03-29 02:09:31,863 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 26.01/18.34 [2019-03-29 02:09:31,865 INFO L276 PluginConnector]: BlockEncodingV2 initialized 26.01/18.34 [2019-03-29 02:09:31,865 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:09:31" (1/1) ... 26.01/18.34 [2019-03-29 02:09:31,880 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 26.01/18.34 [2019-03-29 02:09:31,882 INFO L258 BlockEncoder]: Using Remove infeasible edges 26.01/18.34 [2019-03-29 02:09:31,882 INFO L263 BlockEncoder]: Using Maximize final states 26.01/18.34 [2019-03-29 02:09:31,883 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 26.01/18.34 [2019-03-29 02:09:31,883 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 26.01/18.34 [2019-03-29 02:09:31,885 INFO L296 BlockEncoder]: Using Remove sink states 26.01/18.34 [2019-03-29 02:09:31,886 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 26.01/18.34 [2019-03-29 02:09:31,886 INFO L179 BlockEncoder]: Using Rewrite not-equals 26.01/18.34 [2019-03-29 02:09:31,900 INFO L185 BlockEncoder]: Using Use SBE 26.01/18.34 [2019-03-29 02:09:31,908 INFO L200 BlockEncoder]: SBE split 0 edges 26.01/18.34 [2019-03-29 02:09:31,913 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 26.01/18.34 [2019-03-29 02:09:31,915 INFO L71 MaximizeFinalStates]: 0 new accepting states 26.01/18.34 [2019-03-29 02:09:31,928 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 26.01/18.34 [2019-03-29 02:09:31,930 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 26.01/18.34 [2019-03-29 02:09:31,932 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 26.01/18.34 [2019-03-29 02:09:31,932 INFO L71 MaximizeFinalStates]: 0 new accepting states 26.01/18.34 [2019-03-29 02:09:31,932 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 26.01/18.34 [2019-03-29 02:09:31,933 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 26.01/18.34 [2019-03-29 02:09:31,933 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 26.01/18.34 [2019-03-29 02:09:31,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:09:31 BasicIcfg 26.01/18.34 [2019-03-29 02:09:31,934 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 26.01/18.34 [2019-03-29 02:09:31,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 26.01/18.34 [2019-03-29 02:09:31,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... 26.01/18.34 [2019-03-29 02:09:31,938 INFO L276 PluginConnector]: TraceAbstraction initialized 26.01/18.34 [2019-03-29 02:09:31,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:09:31" (1/4) ... 26.01/18.34 [2019-03-29 02:09:31,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce91b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:09:31, skipping insertion in model container 26.01/18.34 [2019-03-29 02:09:31,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:31" (2/4) ... 26.01/18.34 [2019-03-29 02:09:31,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce91b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:09:31, skipping insertion in model container 26.01/18.34 [2019-03-29 02:09:31,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:09:31" (3/4) ... 26.01/18.34 [2019-03-29 02:09:31,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce91b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:09:31, skipping insertion in model container 26.01/18.34 [2019-03-29 02:09:31,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:09:31" (4/4) ... 26.01/18.34 [2019-03-29 02:09:31,942 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 26.01/18.34 [2019-03-29 02:09:31,952 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 26.01/18.34 [2019-03-29 02:09:31,959 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 26.01/18.34 [2019-03-29 02:09:31,977 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 26.01/18.34 [2019-03-29 02:09:32,005 INFO L133 ementStrategyFactory]: Using default assertion order modulation 26.01/18.34 [2019-03-29 02:09:32,006 INFO L382 AbstractCegarLoop]: Interprodecural is true 26.01/18.34 [2019-03-29 02:09:32,006 INFO L383 AbstractCegarLoop]: Hoare is true 26.01/18.34 [2019-03-29 02:09:32,007 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 26.01/18.34 [2019-03-29 02:09:32,007 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 26.01/18.34 [2019-03-29 02:09:32,007 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 26.01/18.34 [2019-03-29 02:09:32,007 INFO L387 AbstractCegarLoop]: Difference is false 26.01/18.34 [2019-03-29 02:09:32,007 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 26.01/18.34 [2019-03-29 02:09:32,007 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 26.01/18.34 [2019-03-29 02:09:32,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 26.01/18.34 [2019-03-29 02:09:32,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 26.01/18.34 [2019-03-29 02:09:32,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 26.01/18.34 [2019-03-29 02:09:32,081 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 26.01/18.34 [2019-03-29 02:09:32,081 INFO L451 ceAbstractionStarter]: At program point L22-2(lines 22 27) the Hoare annotation is: true 26.01/18.34 [2019-03-29 02:09:32,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:09:32 BasicIcfg 26.01/18.34 [2019-03-29 02:09:32,089 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 26.01/18.34 [2019-03-29 02:09:32,090 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 26.01/18.34 [2019-03-29 02:09:32,090 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 26.01/18.34 [2019-03-29 02:09:32,093 INFO L276 PluginConnector]: BuchiAutomizer initialized 26.01/18.34 [2019-03-29 02:09:32,095 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 26.01/18.34 [2019-03-29 02:09:32,095 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:09:31" (1/5) ... 26.01/18.34 [2019-03-29 02:09:32,095 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1505d839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:09:32, skipping insertion in model container 26.01/18.34 [2019-03-29 02:09:32,096 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 26.01/18.34 [2019-03-29 02:09:32,096 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:31" (2/5) ... 26.01/18.34 [2019-03-29 02:09:32,096 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1505d839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:09:32, skipping insertion in model container 26.01/18.34 [2019-03-29 02:09:32,096 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 26.01/18.34 [2019-03-29 02:09:32,096 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:09:31" (3/5) ... 26.01/18.34 [2019-03-29 02:09:32,097 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1505d839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:09:32, skipping insertion in model container 26.01/18.34 [2019-03-29 02:09:32,097 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 26.01/18.34 [2019-03-29 02:09:32,097 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:09:31" (4/5) ... 26.01/18.34 [2019-03-29 02:09:32,097 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1505d839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:09:32, skipping insertion in model container 26.01/18.34 [2019-03-29 02:09:32,098 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 26.01/18.34 [2019-03-29 02:09:32,098 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:09:32" (5/5) ... 26.01/18.34 [2019-03-29 02:09:32,099 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 26.01/18.34 [2019-03-29 02:09:32,127 INFO L133 ementStrategyFactory]: Using default assertion order modulation 26.01/18.34 [2019-03-29 02:09:32,127 INFO L374 BuchiCegarLoop]: Interprodecural is true 26.01/18.34 [2019-03-29 02:09:32,127 INFO L375 BuchiCegarLoop]: Hoare is true 26.01/18.34 [2019-03-29 02:09:32,128 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 26.01/18.34 [2019-03-29 02:09:32,128 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 26.01/18.34 [2019-03-29 02:09:32,128 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 26.01/18.34 [2019-03-29 02:09:32,128 INFO L379 BuchiCegarLoop]: Difference is false 26.01/18.34 [2019-03-29 02:09:32,128 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 26.01/18.34 [2019-03-29 02:09:32,128 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 26.01/18.34 [2019-03-29 02:09:32,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 26.01/18.34 [2019-03-29 02:09:32,149 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 26.01/18.34 [2019-03-29 02:09:32,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 26.01/18.34 [2019-03-29 02:09:32,150 INFO L119 BuchiIsEmpty]: Starting construction of run 26.01/18.34 [2019-03-29 02:09:32,155 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 26.01/18.34 [2019-03-29 02:09:32,155 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 26.01/18.34 [2019-03-29 02:09:32,156 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 26.01/18.34 [2019-03-29 02:09:32,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 26.01/18.34 [2019-03-29 02:09:32,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 26.01/18.34 [2019-03-29 02:09:32,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 26.01/18.34 [2019-03-29 02:09:32,157 INFO L119 BuchiIsEmpty]: Starting construction of run 26.01/18.34 [2019-03-29 02:09:32,157 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 26.01/18.34 [2019-03-29 02:09:32,157 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 26.01/18.34 [2019-03-29 02:09:32,162 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L22-2: Formula: (and (= v_ULTIMATE.start_main_~q~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~a~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~b~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_1, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_1, ULTIMATE.start_main_~olda~0=v_ULTIMATE.start_main_~olda~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~a~0, ULTIMATE.start_main_~q~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~b~0, ULTIMATE.start_main_~olda~0] 4#L22-2true 26.01/18.34 [2019-03-29 02:09:32,163 INFO L796 eck$LassoCheckResult]: Loop: 4#L22-2true [24] L22-2-->L22-2: Formula: (and (= v_ULTIMATE.start_main_~q~0_7 (+ v_ULTIMATE.start_main_~q~0_8 v_ULTIMATE.start_main_~a~0_7 (- 1))) (= v_ULTIMATE.start_main_~olda~0_4 v_ULTIMATE.start_main_~a~0_7) (= v_ULTIMATE.start_main_~b~0_6 (+ (* 3 v_ULTIMATE.start_main_~b~0_7) (* 4 v_ULTIMATE.start_main_~olda~0_4))) (< 0 v_ULTIMATE.start_main_~q~0_8) (= v_ULTIMATE.start_main_~a~0_6 (+ (* (- 4) v_ULTIMATE.start_main_~b~0_7) (* 3 v_ULTIMATE.start_main_~olda~0_4)))) InVars {ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_7, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_8, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_7} OutVars{ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_6, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_6, ULTIMATE.start_main_~olda~0=v_ULTIMATE.start_main_~olda~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~a~0, ULTIMATE.start_main_~q~0, ULTIMATE.start_main_~b~0, ULTIMATE.start_main_~olda~0] 4#L22-2true 26.01/18.34 [2019-03-29 02:09:32,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 26.01/18.34 [2019-03-29 02:09:32,169 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times 26.01/18.34 [2019-03-29 02:09:32,171 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 26.01/18.34 [2019-03-29 02:09:32,172 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 26.01/18.34 [2019-03-29 02:09:32,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.01/18.34 [2019-03-29 02:09:32,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 26.01/18.34 [2019-03-29 02:09:32,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.01/18.34 [2019-03-29 02:09:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.01/18.34 [2019-03-29 02:09:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.01/18.34 [2019-03-29 02:09:32,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 26.01/18.34 [2019-03-29 02:09:32,248 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times 26.01/18.34 [2019-03-29 02:09:32,248 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 26.01/18.34 [2019-03-29 02:09:32,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 26.01/18.34 [2019-03-29 02:09:32,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.01/18.34 [2019-03-29 02:09:32,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 26.01/18.34 [2019-03-29 02:09:32,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.01/18.34 [2019-03-29 02:09:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.01/18.34 [2019-03-29 02:09:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.01/18.34 [2019-03-29 02:09:32,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 26.01/18.34 [2019-03-29 02:09:32,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1543, now seen corresponding path program 1 times 26.01/18.34 [2019-03-29 02:09:32,267 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 26.01/18.34 [2019-03-29 02:09:32,268 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 26.01/18.34 [2019-03-29 02:09:32,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.01/18.34 [2019-03-29 02:09:32,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 26.01/18.34 [2019-03-29 02:09:32,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.01/18.34 [2019-03-29 02:09:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.01/18.34 [2019-03-29 02:09:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.01/18.34 [2019-03-29 02:09:32,343 INFO L216 LassoAnalysis]: Preferences: 26.01/18.34 [2019-03-29 02:09:32,344 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 26.01/18.34 [2019-03-29 02:09:32,344 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 26.01/18.34 [2019-03-29 02:09:32,344 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 26.01/18.34 [2019-03-29 02:09:32,344 INFO L127 ssoRankerPreferences]: Use exernal solver: true 26.01/18.34 [2019-03-29 02:09:32,345 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.01/18.34 [2019-03-29 02:09:32,345 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 26.01/18.34 [2019-03-29 02:09:32,345 INFO L130 ssoRankerPreferences]: Path of dumped script: 26.01/18.34 [2019-03-29 02:09:32,345 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 26.01/18.34 [2019-03-29 02:09:32,345 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 26.01/18.34 [2019-03-29 02:09:32,346 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 26.01/18.34 [2019-03-29 02:09:32,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.01/18.34 [2019-03-29 02:09:32,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.01/18.34 [2019-03-29 02:09:32,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.01/18.34 [2019-03-29 02:09:32,522 INFO L300 LassoAnalysis]: Preprocessing complete. 26.01/18.34 [2019-03-29 02:09:32,523 INFO L412 LassoAnalysis]: Checking for nontermination... 26.01/18.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 26.01/18.34 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 26.01/18.34 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.01/18.34 [2019-03-29 02:09:32,529 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 26.01/18.34 [2019-03-29 02:09:32,530 INFO L163 nArgumentSynthesizer]: Using integer mode. 26.01/18.34 [2019-03-29 02:09:32,563 INFO L445 LassoAnalysis]: Proved nontermination for one component. 26.01/18.34 [2019-03-29 02:09:32,563 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: [] 26.01/18.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 26.01/18.34 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 26.01/18.34 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.01/18.34 [2019-03-29 02:09:32,571 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 26.01/18.34 [2019-03-29 02:09:32,571 INFO L163 nArgumentSynthesizer]: Using integer mode. 26.01/18.34 [2019-03-29 02:09:32,600 INFO L445 LassoAnalysis]: Proved nontermination for one component. 26.01/18.34 [2019-03-29 02:09:32,600 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: [] 26.01/18.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 26.01/18.34 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 26.01/18.34 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.01/18.34 [2019-03-29 02:09:32,605 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 26.01/18.34 [2019-03-29 02:09:32,605 INFO L163 nArgumentSynthesizer]: Using integer mode. 26.01/18.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 26.01/18.34 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 26.01/18.34 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.01/18.34 [2019-03-29 02:09:32,641 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 26.01/18.34 [2019-03-29 02:09:32,641 INFO L163 nArgumentSynthesizer]: Using integer mode. 26.01/18.34 [2019-03-29 02:09:44,653 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. 26.01/18.34 [2019-03-29 02:09:44,657 INFO L216 LassoAnalysis]: Preferences: 26.01/18.34 [2019-03-29 02:09:44,657 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 26.01/18.34 [2019-03-29 02:09:44,658 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 26.01/18.34 [2019-03-29 02:09:44,658 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 26.01/18.34 [2019-03-29 02:09:44,658 INFO L127 ssoRankerPreferences]: Use exernal solver: false 26.01/18.34 [2019-03-29 02:09:44,658 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 26.01/18.34 [2019-03-29 02:09:44,658 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 26.01/18.34 [2019-03-29 02:09:44,658 INFO L130 ssoRankerPreferences]: Path of dumped script: 26.01/18.34 [2019-03-29 02:09:44,659 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 26.01/18.34 [2019-03-29 02:09:44,659 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 26.01/18.34 [2019-03-29 02:09:44,659 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 26.01/18.34 [2019-03-29 02:09:44,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.01/18.34 [2019-03-29 02:09:44,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.01/18.34 [2019-03-29 02:09:44,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.01/18.34 [2019-03-29 02:09:44,760 INFO L300 LassoAnalysis]: Preprocessing complete. 26.01/18.34 [2019-03-29 02:09:44,766 INFO L497 LassoAnalysis]: Using template 'affine'. 26.01/18.34 [2019-03-29 02:09:44,768 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.34 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.34 Number of strict supporting invariants: 0 26.01/18.34 Number of non-strict supporting invariants: 1 26.01/18.34 Consider only non-deceasing supporting invariants: true 26.01/18.34 Simplify termination arguments: true 26.01/18.34 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.34 [2019-03-29 02:09:44,770 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.34 [2019-03-29 02:09:44,770 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.34 [2019-03-29 02:09:44,770 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.34 [2019-03-29 02:09:44,771 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 26.01/18.34 [2019-03-29 02:09:44,775 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 26.01/18.34 [2019-03-29 02:09:44,775 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 26.01/18.34 [2019-03-29 02:09:44,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.01/18.34 [2019-03-29 02:09:44,784 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.34 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.34 Number of strict supporting invariants: 0 26.01/18.34 Number of non-strict supporting invariants: 1 26.01/18.34 Consider only non-deceasing supporting invariants: true 26.01/18.34 Simplify termination arguments: true 26.01/18.34 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.34 [2019-03-29 02:09:44,785 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.34 [2019-03-29 02:09:44,785 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.34 [2019-03-29 02:09:44,786 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.34 [2019-03-29 02:09:44,786 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 26.01/18.34 [2019-03-29 02:09:44,788 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 26.01/18.34 [2019-03-29 02:09:44,788 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 26.01/18.34 [2019-03-29 02:09:44,796 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.01/18.34 [2019-03-29 02:09:44,797 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.34 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.34 Number of strict supporting invariants: 0 26.01/18.34 Number of non-strict supporting invariants: 1 26.01/18.34 Consider only non-deceasing supporting invariants: true 26.01/18.34 Simplify termination arguments: true 26.01/18.34 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.34 [2019-03-29 02:09:44,797 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.34 [2019-03-29 02:09:44,798 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 26.01/18.34 [2019-03-29 02:09:44,798 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.34 [2019-03-29 02:09:44,798 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.34 [2019-03-29 02:09:44,799 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 26.01/18.34 [2019-03-29 02:09:44,800 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 26.01/18.34 [2019-03-29 02:09:44,800 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 26.01/18.34 [2019-03-29 02:09:44,817 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.01/18.34 [2019-03-29 02:09:44,817 INFO L497 LassoAnalysis]: Using template '2-nested'. 26.01/18.34 [2019-03-29 02:09:44,817 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.34 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.34 Number of strict supporting invariants: 0 26.01/18.34 Number of non-strict supporting invariants: 1 26.01/18.34 Consider only non-deceasing supporting invariants: true 26.01/18.34 Simplify termination arguments: true 26.01/18.34 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.34 [2019-03-29 02:09:44,818 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.34 [2019-03-29 02:09:44,819 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.34 [2019-03-29 02:09:44,819 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.34 [2019-03-29 02:09:44,819 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 26.01/18.34 [2019-03-29 02:09:44,822 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 26.01/18.34 [2019-03-29 02:09:44,823 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 26.01/18.34 [2019-03-29 02:09:44,828 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.01/18.34 [2019-03-29 02:09:44,829 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.34 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.34 Number of strict supporting invariants: 0 26.01/18.34 Number of non-strict supporting invariants: 1 26.01/18.34 Consider only non-deceasing supporting invariants: true 26.01/18.34 Simplify termination arguments: true 26.01/18.34 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.34 [2019-03-29 02:09:44,830 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.34 [2019-03-29 02:09:44,830 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.34 [2019-03-29 02:09:44,830 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.34 [2019-03-29 02:09:44,830 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 26.01/18.34 [2019-03-29 02:09:44,834 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 26.01/18.34 [2019-03-29 02:09:44,834 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 26.01/18.34 [2019-03-29 02:09:44,842 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.01/18.34 [2019-03-29 02:09:44,843 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.34 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.34 Number of strict supporting invariants: 0 26.01/18.34 Number of non-strict supporting invariants: 1 26.01/18.34 Consider only non-deceasing supporting invariants: true 26.01/18.34 Simplify termination arguments: true 26.01/18.34 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.34 [2019-03-29 02:09:44,843 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.34 [2019-03-29 02:09:44,844 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 26.01/18.34 [2019-03-29 02:09:44,844 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.34 [2019-03-29 02:09:44,844 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.34 [2019-03-29 02:09:44,844 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 26.01/18.34 [2019-03-29 02:09:44,846 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 26.01/18.34 [2019-03-29 02:09:44,846 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 26.01/18.34 [2019-03-29 02:09:44,866 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.01/18.34 [2019-03-29 02:09:44,866 INFO L497 LassoAnalysis]: Using template '3-nested'. 26.01/18.34 [2019-03-29 02:09:44,867 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.34 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.34 Number of strict supporting invariants: 0 26.01/18.34 Number of non-strict supporting invariants: 1 26.01/18.34 Consider only non-deceasing supporting invariants: true 26.01/18.34 Simplify termination arguments: true 26.01/18.34 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.34 [2019-03-29 02:09:44,868 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.34 [2019-03-29 02:09:44,868 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.34 [2019-03-29 02:09:44,868 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.34 [2019-03-29 02:09:44,868 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 26.01/18.34 [2019-03-29 02:09:44,872 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. 26.01/18.34 [2019-03-29 02:09:44,872 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. 26.01/18.34 [2019-03-29 02:09:44,879 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.01/18.34 [2019-03-29 02:09:44,879 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.34 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.34 Number of strict supporting invariants: 0 26.01/18.34 Number of non-strict supporting invariants: 1 26.01/18.34 Consider only non-deceasing supporting invariants: true 26.01/18.34 Simplify termination arguments: true 26.01/18.34 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.34 [2019-03-29 02:09:44,880 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.34 [2019-03-29 02:09:44,880 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.34 [2019-03-29 02:09:44,880 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.34 [2019-03-29 02:09:44,880 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 26.01/18.34 [2019-03-29 02:09:44,883 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. 26.01/18.34 [2019-03-29 02:09:44,884 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. 26.01/18.34 [2019-03-29 02:09:44,892 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.01/18.34 [2019-03-29 02:09:44,893 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.34 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.34 Number of strict supporting invariants: 0 26.01/18.34 Number of non-strict supporting invariants: 1 26.01/18.34 Consider only non-deceasing supporting invariants: true 26.01/18.34 Simplify termination arguments: true 26.01/18.34 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.34 [2019-03-29 02:09:44,893 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.34 [2019-03-29 02:09:44,893 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 26.01/18.34 [2019-03-29 02:09:44,894 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.34 [2019-03-29 02:09:44,894 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.34 [2019-03-29 02:09:44,894 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 26.01/18.34 [2019-03-29 02:09:44,896 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. 26.01/18.34 [2019-03-29 02:09:44,896 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 26.01/18.34 [2019-03-29 02:09:44,916 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.01/18.34 [2019-03-29 02:09:44,916 INFO L497 LassoAnalysis]: Using template '4-nested'. 26.01/18.34 [2019-03-29 02:09:44,917 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.34 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.34 Number of strict supporting invariants: 0 26.01/18.34 Number of non-strict supporting invariants: 1 26.01/18.34 Consider only non-deceasing supporting invariants: true 26.01/18.34 Simplify termination arguments: true 26.01/18.34 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.34 [2019-03-29 02:09:44,918 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.34 [2019-03-29 02:09:44,918 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.34 [2019-03-29 02:09:44,918 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.34 [2019-03-29 02:09:44,918 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. 26.01/18.34 [2019-03-29 02:09:44,921 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. 26.01/18.34 [2019-03-29 02:09:44,922 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. 26.01/18.34 [2019-03-29 02:09:44,927 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.01/18.34 [2019-03-29 02:09:44,928 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.34 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.34 Number of strict supporting invariants: 0 26.01/18.34 Number of non-strict supporting invariants: 1 26.01/18.34 Consider only non-deceasing supporting invariants: true 26.01/18.34 Simplify termination arguments: true 26.01/18.34 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.34 [2019-03-29 02:09:44,928 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.34 [2019-03-29 02:09:44,929 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.34 [2019-03-29 02:09:44,929 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.34 [2019-03-29 02:09:44,929 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. 26.01/18.34 [2019-03-29 02:09:44,932 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. 26.01/18.34 [2019-03-29 02:09:44,932 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. 26.01/18.34 [2019-03-29 02:09:44,942 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.01/18.34 [2019-03-29 02:09:44,942 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.01/18.34 Termination analysis: LINEAR_WITH_GUESSES 26.01/18.34 Number of strict supporting invariants: 0 26.01/18.34 Number of non-strict supporting invariants: 1 26.01/18.34 Consider only non-deceasing supporting invariants: true 26.01/18.34 Simplify termination arguments: true 26.01/18.34 Simplify supporting invariants: trueOverapproximate stem: false 26.01/18.34 [2019-03-29 02:09:44,943 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.01/18.34 [2019-03-29 02:09:44,943 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 26.01/18.34 [2019-03-29 02:09:44,943 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.01/18.34 [2019-03-29 02:09:44,944 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.01/18.34 [2019-03-29 02:09:44,944 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. 26.01/18.34 [2019-03-29 02:09:44,945 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. 26.01/18.34 [2019-03-29 02:09:44,946 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 26.01/18.34 [2019-03-29 02:09:44,967 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 26.01/18.34 [2019-03-29 02:09:45,008 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. 26.01/18.34 [2019-03-29 02:09:45,008 INFO L444 ModelExtractionUtils]: 8 out of 21 variables were initially zero. Simplification set additionally 4 variables to zero. 26.01/18.34 [2019-03-29 02:09:45,010 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 26.01/18.34 [2019-03-29 02:09:45,011 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 26.01/18.34 [2019-03-29 02:09:45,011 INFO L518 LassoAnalysis]: Proved termination. 26.01/18.34 [2019-03-29 02:09:45,011 INFO L520 LassoAnalysis]: Termination argument consisting of: 26.01/18.34 Ranking function 4-nested ranking function: 26.01/18.34 f0 = 100*ULTIMATE.start_main_~q~0 - 10*ULTIMATE.start_main_~a~0 - 20*ULTIMATE.start_main_~b~0 26.01/18.34 f1 = 3*ULTIMATE.start_main_~a~0 - 4*ULTIMATE.start_main_~b~0 26.01/18.34 f2 = 1*ULTIMATE.start_main_~q~0 + 1*ULTIMATE.start_main_~a~0 26.01/18.34 f3 = 1*ULTIMATE.start_main_~q~0 26.01/18.34 Supporting invariants [] 26.01/18.34 [2019-03-29 02:09:45,013 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 26.01/18.34 [2019-03-29 02:09:45,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 26.01/18.34 [2019-03-29 02:09:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 26.01/18.34 [2019-03-29 02:09:45,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 26.01/18.34 [2019-03-29 02:09:45,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... 26.01/18.34 [2019-03-29 02:09:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 26.01/18.34 [2019-03-29 02:09:45,092 WARN L254 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 10 conjunts are in the unsatisfiable core 26.01/18.34 [2019-03-29 02:09:45,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... 26.01/18.34 [2019-03-29 02:09:45,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 26.01/18.34 [2019-03-29 02:09:45,134 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 26.01/18.34 [2019-03-29 02:09:45,139 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 26.01/18.34 [2019-03-29 02:09:45,140 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 26.01/18.34 [2019-03-29 02:09:45,165 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 26.01/18.34 [2019-03-29 02:09:45,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 26.01/18.34 [2019-03-29 02:09:45,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 26.01/18.34 [2019-03-29 02:09:45,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 26.01/18.34 [2019-03-29 02:09:45,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 26.01/18.34 [2019-03-29 02:09:45,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. 26.01/18.34 [2019-03-29 02:09:45,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 26.01/18.34 [2019-03-29 02:09:45,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. 26.01/18.34 [2019-03-29 02:09:45,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 26.01/18.34 [2019-03-29 02:09:45,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. 26.01/18.34 [2019-03-29 02:09:45,176 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 26.01/18.34 [2019-03-29 02:09:45,176 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 26.01/18.34 [2019-03-29 02:09:45,180 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 26.01/18.34 [2019-03-29 02:09:45,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 26.01/18.34 [2019-03-29 02:09:45,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 26.01/18.34 [2019-03-29 02:09:45,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 26.01/18.34 [2019-03-29 02:09:45,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 26.01/18.34 [2019-03-29 02:09:45,182 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 26.01/18.34 [2019-03-29 02:09:45,182 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 26.01/18.34 [2019-03-29 02:09:45,182 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 26.01/18.34 [2019-03-29 02:09:45,183 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 26.01/18.34 [2019-03-29 02:09:45,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 26.01/18.34 [2019-03-29 02:09:45,183 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 26.01/18.34 [2019-03-29 02:09:45,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 26.01/18.34 [2019-03-29 02:09:45,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:09:45 BasicIcfg 26.01/18.34 [2019-03-29 02:09:45,189 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 26.01/18.34 [2019-03-29 02:09:45,189 INFO L168 Benchmark]: Toolchain (without parser) took 13871.58 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 563.9 MB in the beginning and 488.0 MB in the end (delta: 75.8 MB). Peak memory consumption was 98.4 MB. Max. memory is 50.3 GB. 26.01/18.34 [2019-03-29 02:09:45,191 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 26.01/18.34 [2019-03-29 02:09:45,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.41 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 554.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 26.01/18.34 [2019-03-29 02:09:45,192 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.01 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 554.4 MB in the beginning and 638.5 MB in the end (delta: -84.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 26.01/18.34 [2019-03-29 02:09:45,193 INFO L168 Benchmark]: Boogie Preprocessor took 19.95 ms. Allocated memory is still 672.1 MB. Free memory was 638.5 MB in the beginning and 636.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 26.01/18.34 [2019-03-29 02:09:45,194 INFO L168 Benchmark]: RCFGBuilder took 190.79 ms. Allocated memory is still 672.1 MB. Free memory was 636.7 MB in the beginning and 623.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 50.3 GB. 26.01/18.34 [2019-03-29 02:09:45,194 INFO L168 Benchmark]: BlockEncodingV2 took 71.16 ms. Allocated memory is still 672.1 MB. Free memory was 623.7 MB in the beginning and 617.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 26.01/18.34 [2019-03-29 02:09:45,195 INFO L168 Benchmark]: TraceAbstraction took 155.08 ms. Allocated memory is still 672.1 MB. Free memory was 617.3 MB in the beginning and 607.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 26.01/18.34 [2019-03-29 02:09:45,196 INFO L168 Benchmark]: BuchiAutomizer took 13098.83 ms. Allocated memory is still 672.1 MB. Free memory was 607.8 MB in the beginning and 488.0 MB in the end (delta: 119.8 MB). Peak memory consumption was 119.8 MB. Max. memory is 50.3 GB. 26.01/18.34 [2019-03-29 02:09:45,200 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 26.01/18.34 --- Results --- 26.01/18.34 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 26.01/18.34 - StatisticsResult: Initial Icfg 26.01/18.34 6 locations, 7 edges 26.01/18.34 - StatisticsResult: Encoded RCFG 26.01/18.34 2 locations, 2 edges 26.01/18.34 * Results from de.uni_freiburg.informatik.ultimate.core: 26.01/18.34 - StatisticsResult: Toolchain Benchmarks 26.01/18.34 Benchmark results are: 26.01/18.34 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 26.01/18.34 * CACSL2BoogieTranslator took 235.41 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 554.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 26.01/18.34 * Boogie Procedure Inliner took 95.01 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 554.4 MB in the beginning and 638.5 MB in the end (delta: -84.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 26.01/18.34 * Boogie Preprocessor took 19.95 ms. Allocated memory is still 672.1 MB. Free memory was 638.5 MB in the beginning and 636.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 26.01/18.34 * RCFGBuilder took 190.79 ms. Allocated memory is still 672.1 MB. Free memory was 636.7 MB in the beginning and 623.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 50.3 GB. 26.01/18.34 * BlockEncodingV2 took 71.16 ms. Allocated memory is still 672.1 MB. Free memory was 623.7 MB in the beginning and 617.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 26.01/18.34 * TraceAbstraction took 155.08 ms. Allocated memory is still 672.1 MB. Free memory was 617.3 MB in the beginning and 607.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 26.01/18.34 * BuchiAutomizer took 13098.83 ms. Allocated memory is still 672.1 MB. Free memory was 607.8 MB in the beginning and 488.0 MB in the end (delta: 119.8 MB). Peak memory consumption was 119.8 MB. Max. memory is 50.3 GB. 26.01/18.34 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 26.01/18.34 - AllSpecificationsHoldResult: All specifications hold 26.01/18.34 We were not able to verify any specifiation because the program does not contain any specification. 26.01/18.34 - InvariantResult [Line: 22]: Loop Invariant 26.01/18.34 Derived loop invariant: 1 26.01/18.34 - StatisticsResult: Ultimate Automizer benchmark data 26.01/18.34 CFG has 1 procedures, 2 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=2occurred 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 26.01/18.34 - StatisticsResult: Constructed decomposition of program 26.01/18.34 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 4-nested ranking function (if 100 * q + -10 * a + -20 * b > 0 then 3 else (if 3 * a + -4 * b > 0 then 2 else (if q + a > 0 then 1 else 0))), (if 100 * q + -10 * a + -20 * b > 0 then 100 * q + -10 * a + -20 * b else (if 3 * a + -4 * b > 0 then 3 * a + -4 * b else (if q + a > 0 then q + a else q))) and consists of 2 locations. 26.01/18.34 - StatisticsResult: Timing statistics 26.01/18.34 BüchiAutomizer plugin needed 13.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 12.8s. 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 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital32 mio100 ax137 hnf102 lsp73 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq196 hnf93 smp100 dnf100 smp100 tf103 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 5 MotzkinApplications: 15 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.1s 26.01/18.34 - TerminationAnalysisResult: Termination proven 26.01/18.34 Buchi Automizer proved that your program is terminating 26.01/18.34 RESULT: Ultimate proved your program to be correct! 26.01/18.34 !SESSION 2019-03-29 02:09:28.021 ----------------------------------------------- 26.01/18.34 eclipse.buildId=unknown 26.01/18.34 java.version=1.8.0_181 26.01/18.34 java.vendor=Oracle Corporation 26.01/18.34 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 26.01/18.34 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 26.01/18.34 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 26.01/18.34 26.01/18.34 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:09:45.434 26.01/18.34 !MESSAGE The workspace will exit with unsaved changes in this session. 26.01/18.34 Received shutdown request... 26.01/18.34 Ultimate: 26.01/18.34 GTK+ Version Check 26.01/18.34 EOF