16.76/8.34 YES 16.76/8.34 16.76/8.34 Ultimate: Cannot open display: 16.76/8.34 This is Ultimate 0.1.24-8dc7c08-m 16.76/8.34 [2019-03-28 22:23:15,389 INFO L170 SettingsManager]: Resetting all preferences to default values... 16.76/8.34 [2019-03-28 22:23:15,391 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 16.76/8.34 [2019-03-28 22:23:15,403 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 16.76/8.34 [2019-03-28 22:23:15,403 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 16.76/8.34 [2019-03-28 22:23:15,404 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 16.76/8.34 [2019-03-28 22:23:15,405 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 16.76/8.34 [2019-03-28 22:23:15,407 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 16.76/8.34 [2019-03-28 22:23:15,409 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 16.76/8.34 [2019-03-28 22:23:15,409 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 16.76/8.34 [2019-03-28 22:23:15,410 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 16.76/8.34 [2019-03-28 22:23:15,410 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 16.76/8.34 [2019-03-28 22:23:15,411 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 16.76/8.34 [2019-03-28 22:23:15,412 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 16.76/8.34 [2019-03-28 22:23:15,413 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 16.76/8.34 [2019-03-28 22:23:15,414 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 16.76/8.34 [2019-03-28 22:23:15,415 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 16.76/8.34 [2019-03-28 22:23:15,417 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 16.76/8.34 [2019-03-28 22:23:15,419 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 16.76/8.34 [2019-03-28 22:23:15,420 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 16.76/8.34 [2019-03-28 22:23:15,421 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 16.76/8.34 [2019-03-28 22:23:15,422 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 16.76/8.34 [2019-03-28 22:23:15,424 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 16.76/8.34 [2019-03-28 22:23:15,424 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 16.76/8.34 [2019-03-28 22:23:15,425 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 16.76/8.34 [2019-03-28 22:23:15,425 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 16.76/8.34 [2019-03-28 22:23:15,426 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 16.76/8.34 [2019-03-28 22:23:15,427 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 16.76/8.34 [2019-03-28 22:23:15,427 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 16.76/8.34 [2019-03-28 22:23:15,427 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 16.76/8.34 [2019-03-28 22:23:15,428 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 16.76/8.34 [2019-03-28 22:23:15,429 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 16.76/8.34 [2019-03-28 22:23:15,430 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 16.76/8.34 [2019-03-28 22:23:15,430 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 16.76/8.34 [2019-03-28 22:23:15,431 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 16.76/8.34 [2019-03-28 22:23:15,431 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 16.76/8.34 [2019-03-28 22:23:15,431 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 16.76/8.34 [2019-03-28 22:23:15,432 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 16.76/8.34 [2019-03-28 22:23:15,433 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 16.76/8.34 [2019-03-28 22:23:15,433 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 16.76/8.34 [2019-03-28 22:23:15,447 INFO L110 SettingsManager]: Loading preferences was successful 16.76/8.34 [2019-03-28 22:23:15,448 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 16.76/8.34 [2019-03-28 22:23:15,449 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 16.76/8.34 [2019-03-28 22:23:15,449 INFO L133 SettingsManager]: * Rewrite not-equals=true 16.76/8.34 [2019-03-28 22:23:15,449 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 16.76/8.34 [2019-03-28 22:23:15,449 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 16.76/8.34 [2019-03-28 22:23:15,450 INFO L133 SettingsManager]: * Use SBE=true 16.76/8.34 [2019-03-28 22:23:15,450 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 16.76/8.34 [2019-03-28 22:23:15,450 INFO L133 SettingsManager]: * Use old map elimination=false 16.76/8.34 [2019-03-28 22:23:15,450 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 16.76/8.34 [2019-03-28 22:23:15,450 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 16.76/8.34 [2019-03-28 22:23:15,450 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 16.76/8.34 [2019-03-28 22:23:15,451 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 16.76/8.34 [2019-03-28 22:23:15,451 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 16.76/8.34 [2019-03-28 22:23:15,451 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/8.34 [2019-03-28 22:23:15,451 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 16.76/8.34 [2019-03-28 22:23:15,451 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 16.76/8.34 [2019-03-28 22:23:15,451 INFO L133 SettingsManager]: * Check division by zero=IGNORE 16.76/8.34 [2019-03-28 22:23:15,452 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 16.76/8.34 [2019-03-28 22:23:15,452 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 16.76/8.34 [2019-03-28 22:23:15,452 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 16.76/8.34 [2019-03-28 22:23:15,452 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 16.76/8.34 [2019-03-28 22:23:15,452 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 16.76/8.34 [2019-03-28 22:23:15,452 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 16.76/8.34 [2019-03-28 22:23:15,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.76/8.34 [2019-03-28 22:23:15,453 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 16.76/8.34 [2019-03-28 22:23:15,453 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 16.76/8.34 [2019-03-28 22:23:15,453 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 16.76/8.34 [2019-03-28 22:23:15,453 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 16.76/8.34 [2019-03-28 22:23:15,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 16.76/8.34 [2019-03-28 22:23:15,495 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 16.76/8.34 [2019-03-28 22:23:15,499 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 16.76/8.34 [2019-03-28 22:23:15,501 INFO L271 PluginConnector]: Initializing CDTParser... 16.76/8.34 [2019-03-28 22:23:15,501 INFO L276 PluginConnector]: CDTParser initialized 16.76/8.34 [2019-03-28 22:23:15,502 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 16.76/8.34 [2019-03-28 22:23:15,569 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/b918382905e2432ab4dfbd441fdb687f/FLAG52ef77c94 16.76/8.34 [2019-03-28 22:23:15,920 INFO L307 CDTParser]: Found 1 translation units. 16.76/8.34 [2019-03-28 22:23:15,920 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 16.76/8.34 [2019-03-28 22:23:15,927 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/b918382905e2432ab4dfbd441fdb687f/FLAG52ef77c94 16.76/8.34 [2019-03-28 22:23:16,329 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/b918382905e2432ab4dfbd441fdb687f 16.76/8.34 [2019-03-28 22:23:16,340 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 16.76/8.34 [2019-03-28 22:23:16,342 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 16.76/8.34 [2019-03-28 22:23:16,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 16.76/8.34 [2019-03-28 22:23:16,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 16.76/8.34 [2019-03-28 22:23:16,347 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 16.76/8.34 [2019-03-28 22:23:16,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:23:16" (1/1) ... 16.76/8.34 [2019-03-28 22:23:16,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55788bbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:16, skipping insertion in model container 16.76/8.34 [2019-03-28 22:23:16,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:23:16" (1/1) ... 16.76/8.34 [2019-03-28 22:23:16,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 16.76/8.34 [2019-03-28 22:23:16,377 INFO L176 MainTranslator]: Built tables and reachable declarations 16.76/8.34 [2019-03-28 22:23:16,533 INFO L206 PostProcessor]: Analyzing one entry point: main 16.76/8.34 [2019-03-28 22:23:16,538 INFO L191 MainTranslator]: Completed pre-run 16.76/8.34 [2019-03-28 22:23:16,554 INFO L206 PostProcessor]: Analyzing one entry point: main 16.76/8.34 [2019-03-28 22:23:16,624 INFO L195 MainTranslator]: Completed translation 16.76/8.34 [2019-03-28 22:23:16,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:16 WrapperNode 16.76/8.34 [2019-03-28 22:23:16,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 16.76/8.34 [2019-03-28 22:23:16,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 16.76/8.34 [2019-03-28 22:23:16,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 16.76/8.34 [2019-03-28 22:23:16,626 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 16.76/8.34 [2019-03-28 22:23:16,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:16" (1/1) ... 16.76/8.34 [2019-03-28 22:23:16,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:16" (1/1) ... 16.76/8.34 [2019-03-28 22:23:16,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 16.76/8.34 [2019-03-28 22:23:16,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 16.76/8.34 [2019-03-28 22:23:16,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 16.76/8.34 [2019-03-28 22:23:16,661 INFO L276 PluginConnector]: Boogie Preprocessor initialized 16.76/8.34 [2019-03-28 22:23:16,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:16" (1/1) ... 16.76/8.34 [2019-03-28 22:23:16,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:16" (1/1) ... 16.76/8.34 [2019-03-28 22:23:16,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:16" (1/1) ... 16.76/8.34 [2019-03-28 22:23:16,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:16" (1/1) ... 16.76/8.34 [2019-03-28 22:23:16,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:16" (1/1) ... 16.76/8.34 [2019-03-28 22:23:16,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:16" (1/1) ... 16.76/8.34 [2019-03-28 22:23:16,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:16" (1/1) ... 16.76/8.34 [2019-03-28 22:23:16,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 16.76/8.34 [2019-03-28 22:23:16,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 16.76/8.34 [2019-03-28 22:23:16,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... 16.76/8.34 [2019-03-28 22:23:16,681 INFO L276 PluginConnector]: RCFGBuilder initialized 16.76/8.34 [2019-03-28 22:23:16,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:16" (1/1) ... 16.76/8.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/8.34 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 16.76/8.34 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.76/8.34 [2019-03-28 22:23:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 16.76/8.34 [2019-03-28 22:23:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 16.76/8.34 [2019-03-28 22:23:16,874 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 16.76/8.34 [2019-03-28 22:23:16,875 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 16.76/8.34 [2019-03-28 22:23:16,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:23:16 BoogieIcfgContainer 16.76/8.34 [2019-03-28 22:23:16,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 16.76/8.34 [2019-03-28 22:23:16,877 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 16.76/8.34 [2019-03-28 22:23:16,877 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 16.76/8.34 [2019-03-28 22:23:16,879 INFO L276 PluginConnector]: BlockEncodingV2 initialized 16.76/8.34 [2019-03-28 22:23:16,879 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:23:16" (1/1) ... 16.76/8.34 [2019-03-28 22:23:16,894 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 12 edges 16.76/8.34 [2019-03-28 22:23:16,895 INFO L258 BlockEncoder]: Using Remove infeasible edges 16.76/8.34 [2019-03-28 22:23:16,896 INFO L263 BlockEncoder]: Using Maximize final states 16.76/8.34 [2019-03-28 22:23:16,897 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 16.76/8.34 [2019-03-28 22:23:16,897 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 16.76/8.34 [2019-03-28 22:23:16,899 INFO L296 BlockEncoder]: Using Remove sink states 16.76/8.34 [2019-03-28 22:23:16,900 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 16.76/8.34 [2019-03-28 22:23:16,900 INFO L179 BlockEncoder]: Using Rewrite not-equals 16.76/8.34 [2019-03-28 22:23:16,915 INFO L185 BlockEncoder]: Using Use SBE 16.76/8.34 [2019-03-28 22:23:16,929 INFO L200 BlockEncoder]: SBE split 1 edges 16.76/8.34 [2019-03-28 22:23:16,933 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 16.76/8.34 [2019-03-28 22:23:16,935 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.76/8.34 [2019-03-28 22:23:16,948 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 16.76/8.34 [2019-03-28 22:23:16,950 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 16.76/8.34 [2019-03-28 22:23:16,952 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 16.76/8.34 [2019-03-28 22:23:16,952 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.76/8.34 [2019-03-28 22:23:16,952 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 16.76/8.34 [2019-03-28 22:23:16,953 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 16.76/8.34 [2019-03-28 22:23:16,953 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 8 edges 16.76/8.34 [2019-03-28 22:23:16,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:23:16 BasicIcfg 16.76/8.34 [2019-03-28 22:23:16,953 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 16.76/8.34 [2019-03-28 22:23:16,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 16.76/8.34 [2019-03-28 22:23:16,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... 16.76/8.34 [2019-03-28 22:23:16,958 INFO L276 PluginConnector]: TraceAbstraction initialized 16.76/8.34 [2019-03-28 22:23:16,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:23:16" (1/4) ... 16.76/8.34 [2019-03-28 22:23:16,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ae303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:23:16, skipping insertion in model container 16.76/8.34 [2019-03-28 22:23:16,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:16" (2/4) ... 16.76/8.34 [2019-03-28 22:23:16,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ae303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:23:16, skipping insertion in model container 16.76/8.34 [2019-03-28 22:23:16,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:23:16" (3/4) ... 16.76/8.34 [2019-03-28 22:23:16,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ae303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:23:16, skipping insertion in model container 16.76/8.34 [2019-03-28 22:23:16,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:23:16" (4/4) ... 16.76/8.34 [2019-03-28 22:23:16,962 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.76/8.34 [2019-03-28 22:23:16,972 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 16.76/8.34 [2019-03-28 22:23:16,981 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 16.76/8.34 [2019-03-28 22:23:16,999 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 16.76/8.34 [2019-03-28 22:23:17,027 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.76/8.34 [2019-03-28 22:23:17,028 INFO L382 AbstractCegarLoop]: Interprodecural is true 16.76/8.34 [2019-03-28 22:23:17,028 INFO L383 AbstractCegarLoop]: Hoare is true 16.76/8.34 [2019-03-28 22:23:17,028 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 16.76/8.34 [2019-03-28 22:23:17,028 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 16.76/8.34 [2019-03-28 22:23:17,028 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.76/8.34 [2019-03-28 22:23:17,028 INFO L387 AbstractCegarLoop]: Difference is false 16.76/8.34 [2019-03-28 22:23:17,029 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 16.76/8.34 [2019-03-28 22:23:17,029 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 16.76/8.34 [2019-03-28 22:23:17,043 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. 16.76/8.34 [2019-03-28 22:23:17,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 16.76/8.34 [2019-03-28 22:23:17,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. 16.76/8.34 [2019-03-28 22:23:17,100 INFO L448 ceAbstractionStarter]: For program point L16(lines 16 20) no Hoare annotation was computed. 16.76/8.34 [2019-03-28 22:23:17,100 INFO L448 ceAbstractionStarter]: For program point L16-2(lines 13 21) no Hoare annotation was computed. 16.76/8.34 [2019-03-28 22:23:17,101 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 16.76/8.34 [2019-03-28 22:23:17,101 INFO L448 ceAbstractionStarter]: For program point L13(lines 13 21) no Hoare annotation was computed. 16.76/8.34 [2019-03-28 22:23:17,101 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 23) the Hoare annotation is: true 16.76/8.34 [2019-03-28 22:23:17,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:23:17 BasicIcfg 16.76/8.34 [2019-03-28 22:23:17,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 16.76/8.34 [2019-03-28 22:23:17,110 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 16.76/8.34 [2019-03-28 22:23:17,110 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 16.76/8.34 [2019-03-28 22:23:17,113 INFO L276 PluginConnector]: BuchiAutomizer initialized 16.76/8.34 [2019-03-28 22:23:17,114 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.76/8.34 [2019-03-28 22:23:17,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:23:16" (1/5) ... 16.76/8.34 [2019-03-28 22:23:17,115 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ca950d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:23:17, skipping insertion in model container 16.76/8.34 [2019-03-28 22:23:17,115 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.76/8.34 [2019-03-28 22:23:17,115 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:16" (2/5) ... 16.76/8.34 [2019-03-28 22:23:17,116 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ca950d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:23:17, skipping insertion in model container 16.76/8.34 [2019-03-28 22:23:17,116 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.76/8.34 [2019-03-28 22:23:17,116 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:23:16" (3/5) ... 16.76/8.34 [2019-03-28 22:23:17,116 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ca950d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:23:17, skipping insertion in model container 16.76/8.34 [2019-03-28 22:23:17,116 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.76/8.34 [2019-03-28 22:23:17,117 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:23:16" (4/5) ... 16.76/8.34 [2019-03-28 22:23:17,117 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ca950d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:23:17, skipping insertion in model container 16.76/8.34 [2019-03-28 22:23:17,117 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.76/8.34 [2019-03-28 22:23:17,117 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:23:17" (5/5) ... 16.76/8.34 [2019-03-28 22:23:17,119 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.76/8.34 [2019-03-28 22:23:17,145 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.76/8.34 [2019-03-28 22:23:17,145 INFO L374 BuchiCegarLoop]: Interprodecural is true 16.76/8.34 [2019-03-28 22:23:17,145 INFO L375 BuchiCegarLoop]: Hoare is true 16.76/8.34 [2019-03-28 22:23:17,145 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 16.76/8.34 [2019-03-28 22:23:17,145 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 16.76/8.34 [2019-03-28 22:23:17,146 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.76/8.34 [2019-03-28 22:23:17,146 INFO L379 BuchiCegarLoop]: Difference is false 16.76/8.34 [2019-03-28 22:23:17,146 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 16.76/8.34 [2019-03-28 22:23:17,146 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 16.76/8.34 [2019-03-28 22:23:17,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 16.76/8.34 [2019-03-28 22:23:17,166 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 16.76/8.34 [2019-03-28 22:23:17,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.76/8.34 [2019-03-28 22:23:17,167 INFO L119 BuchiIsEmpty]: Starting construction of run 16.76/8.34 [2019-03-28 22:23:17,172 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.76/8.34 [2019-03-28 22:23:17,172 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.76/8.34 [2019-03-28 22:23:17,172 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 16.76/8.34 [2019-03-28 22:23:17,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 16.76/8.34 [2019-03-28 22:23:17,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 16.76/8.34 [2019-03-28 22:23:17,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.76/8.34 [2019-03-28 22:23:17,174 INFO L119 BuchiIsEmpty]: Starting construction of run 16.76/8.34 [2019-03-28 22:23:17,174 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.76/8.34 [2019-03-28 22:23:17,174 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.76/8.34 [2019-03-28 22:23:17,179 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [33] ULTIMATE.startENTRY-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 3#L12-2true 16.76/8.34 [2019-03-28 22:23:17,180 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true [45] L12-2-->L13: Formula: (< v_ULTIMATE.start_main_~z~0_9 v_ULTIMATE.start_main_~y~0_10) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9} AuxVars[] AssignedVars[] 6#L13true [36] L13-->L16-2: Formula: (and (< v_ULTIMATE.start_main_~z~0_10 v_ULTIMATE.start_main_~x~0_9) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_10} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 7#L16-2true [40] L16-2-->L12-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 3#L12-2true 16.76/8.34 [2019-03-28 22:23:17,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/8.34 [2019-03-28 22:23:17,186 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times 16.76/8.34 [2019-03-28 22:23:17,188 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.76/8.34 [2019-03-28 22:23:17,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.76/8.34 [2019-03-28 22:23:17,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:17,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:17,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/8.34 [2019-03-28 22:23:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/8.34 [2019-03-28 22:23:17,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/8.34 [2019-03-28 22:23:17,259 INFO L82 PathProgramCache]: Analyzing trace with hash 74192, now seen corresponding path program 1 times 16.76/8.34 [2019-03-28 22:23:17,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.76/8.34 [2019-03-28 22:23:17,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.76/8.34 [2019-03-28 22:23:17,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:17,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:17,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/8.34 [2019-03-28 22:23:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/8.34 [2019-03-28 22:23:17,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/8.34 [2019-03-28 22:23:17,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1951025, now seen corresponding path program 1 times 16.76/8.34 [2019-03-28 22:23:17,274 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.76/8.34 [2019-03-28 22:23:17,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.76/8.34 [2019-03-28 22:23:17,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:17,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:17,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/8.34 [2019-03-28 22:23:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/8.34 [2019-03-28 22:23:17,334 INFO L216 LassoAnalysis]: Preferences: 16.76/8.34 [2019-03-28 22:23:17,335 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.76/8.34 [2019-03-28 22:23:17,336 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.76/8.34 [2019-03-28 22:23:17,336 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.76/8.34 [2019-03-28 22:23:17,336 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.76/8.34 [2019-03-28 22:23:17,336 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/8.34 [2019-03-28 22:23:17,336 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.76/8.34 [2019-03-28 22:23:17,337 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.76/8.34 [2019-03-28 22:23:17,337 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 16.76/8.34 [2019-03-28 22:23:17,337 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.76/8.34 [2019-03-28 22:23:17,337 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.76/8.34 [2019-03-28 22:23:17,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/8.34 [2019-03-28 22:23:17,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/8.34 [2019-03-28 22:23:17,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/8.34 [2019-03-28 22:23:17,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/8.34 [2019-03-28 22:23:17,508 INFO L300 LassoAnalysis]: Preprocessing complete. 16.76/8.34 [2019-03-28 22:23:17,509 INFO L412 LassoAnalysis]: Checking for nontermination... 16.76/8.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/8.34 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/8.34 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/8.34 [2019-03-28 22:23:17,531 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.76/8.34 [2019-03-28 22:23:17,531 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/8.34 [2019-03-28 22:23:17,565 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.76/8.34 [2019-03-28 22:23:17,565 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: [] 16.76/8.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/8.34 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/8.34 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/8.34 [2019-03-28 22:23:17,578 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.76/8.34 [2019-03-28 22:23:17,579 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/8.34 [2019-03-28 22:23:17,607 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.76/8.34 [2019-03-28 22:23:17,608 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: [] 16.76/8.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/8.34 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/8.34 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/8.34 [2019-03-28 22:23:17,614 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.76/8.34 [2019-03-28 22:23:17,614 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/8.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/8.34 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/8.34 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/8.34 [2019-03-28 22:23:17,646 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.76/8.34 [2019-03-28 22:23:17,646 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/8.34 [2019-03-28 22:23:17,683 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.76/8.34 [2019-03-28 22:23:17,683 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 16.76/8.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/8.34 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/8.34 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/8.34 [2019-03-28 22:23:17,711 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.76/8.34 [2019-03-28 22:23:17,711 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/8.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/8.34 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/8.34 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/8.34 [2019-03-28 22:23:17,742 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.76/8.34 [2019-03-28 22:23:17,742 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/8.34 [2019-03-28 22:23:18,129 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.76/8.34 [2019-03-28 22:23:18,132 INFO L216 LassoAnalysis]: Preferences: 16.76/8.34 [2019-03-28 22:23:18,132 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.76/8.34 [2019-03-28 22:23:18,132 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.76/8.34 [2019-03-28 22:23:18,132 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.76/8.34 [2019-03-28 22:23:18,132 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.76/8.34 [2019-03-28 22:23:18,132 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.76/8.34 [2019-03-28 22:23:18,132 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.76/8.34 [2019-03-28 22:23:18,133 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.76/8.34 [2019-03-28 22:23:18,133 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 16.76/8.34 [2019-03-28 22:23:18,133 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.76/8.34 [2019-03-28 22:23:18,133 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.76/8.34 [2019-03-28 22:23:18,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/8.34 [2019-03-28 22:23:18,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/8.34 [2019-03-28 22:23:18,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/8.34 [2019-03-28 22:23:18,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/8.34 [2019-03-28 22:23:18,212 INFO L300 LassoAnalysis]: Preprocessing complete. 16.76/8.34 [2019-03-28 22:23:18,218 INFO L497 LassoAnalysis]: Using template 'affine'. 16.76/8.34 [2019-03-28 22:23:18,220 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.76/8.34 Termination analysis: LINEAR_WITH_GUESSES 16.76/8.34 Number of strict supporting invariants: 0 16.76/8.34 Number of non-strict supporting invariants: 1 16.76/8.34 Consider only non-deceasing supporting invariants: true 16.76/8.34 Simplify termination arguments: true 16.76/8.34 Simplify supporting invariants: trueOverapproximate stem: false 16.76/8.34 [2019-03-28 22:23:18,221 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.76/8.34 [2019-03-28 22:23:18,222 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.76/8.34 [2019-03-28 22:23:18,222 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.76/8.34 [2019-03-28 22:23:18,222 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.76/8.34 [2019-03-28 22:23:18,226 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.76/8.34 [2019-03-28 22:23:18,227 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.76/8.34 [2019-03-28 22:23:18,234 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.76/8.34 [2019-03-28 22:23:18,235 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.76/8.34 Termination analysis: LINEAR_WITH_GUESSES 16.76/8.34 Number of strict supporting invariants: 0 16.76/8.34 Number of non-strict supporting invariants: 1 16.76/8.34 Consider only non-deceasing supporting invariants: true 16.76/8.34 Simplify termination arguments: true 16.76/8.34 Simplify supporting invariants: trueOverapproximate stem: false 16.76/8.34 [2019-03-28 22:23:18,235 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.76/8.34 [2019-03-28 22:23:18,236 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.76/8.34 [2019-03-28 22:23:18,236 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.76/8.34 [2019-03-28 22:23:18,236 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.76/8.34 [2019-03-28 22:23:18,239 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.76/8.34 [2019-03-28 22:23:18,239 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.76/8.34 [2019-03-28 22:23:18,246 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.76/8.34 [2019-03-28 22:23:18,247 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.76/8.34 Termination analysis: LINEAR_WITH_GUESSES 16.76/8.34 Number of strict supporting invariants: 0 16.76/8.34 Number of non-strict supporting invariants: 1 16.76/8.34 Consider only non-deceasing supporting invariants: true 16.76/8.34 Simplify termination arguments: true 16.76/8.34 Simplify supporting invariants: trueOverapproximate stem: false 16.76/8.34 [2019-03-28 22:23:18,247 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.76/8.34 [2019-03-28 22:23:18,248 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.76/8.34 [2019-03-28 22:23:18,248 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.76/8.34 [2019-03-28 22:23:18,248 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.76/8.34 [2019-03-28 22:23:18,248 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.76/8.34 [2019-03-28 22:23:18,249 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.76/8.34 [2019-03-28 22:23:18,249 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.76/8.34 [2019-03-28 22:23:18,254 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.76/8.34 [2019-03-28 22:23:18,255 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.76/8.34 Termination analysis: LINEAR_WITH_GUESSES 16.76/8.34 Number of strict supporting invariants: 0 16.76/8.34 Number of non-strict supporting invariants: 1 16.76/8.34 Consider only non-deceasing supporting invariants: true 16.76/8.34 Simplify termination arguments: true 16.76/8.34 Simplify supporting invariants: trueOverapproximate stem: false 16.76/8.34 [2019-03-28 22:23:18,255 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.76/8.34 [2019-03-28 22:23:18,256 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.76/8.34 [2019-03-28 22:23:18,256 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.76/8.34 [2019-03-28 22:23:18,256 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.76/8.34 [2019-03-28 22:23:18,256 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.76/8.34 [2019-03-28 22:23:18,257 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.76/8.34 [2019-03-28 22:23:18,257 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.76/8.34 [2019-03-28 22:23:18,263 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.76/8.34 [2019-03-28 22:23:18,271 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 16.76/8.34 [2019-03-28 22:23:18,272 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 16.76/8.34 [2019-03-28 22:23:18,274 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.76/8.34 [2019-03-28 22:23:18,274 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.76/8.34 [2019-03-28 22:23:18,275 INFO L518 LassoAnalysis]: Proved termination. 16.76/8.34 [2019-03-28 22:23:18,275 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.76/8.34 Ranking function f(ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~z~0 + 1*ULTIMATE.start_main_~x~0 16.76/8.34 Supporting invariants [] 16.76/8.34 [2019-03-28 22:23:18,277 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.76/8.34 [2019-03-28 22:23:18,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/8.34 [2019-03-28 22:23:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.76/8.34 [2019-03-28 22:23:18,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 16.76/8.34 [2019-03-28 22:23:18,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.76/8.34 [2019-03-28 22:23:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.76/8.34 [2019-03-28 22:23:18,327 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 16.76/8.34 [2019-03-28 22:23:18,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.76/8.34 [2019-03-28 22:23:18,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.76/8.34 [2019-03-28 22:23:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.76/8.34 [2019-03-28 22:23:18,391 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 16.76/8.34 [2019-03-28 22:23:18,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.76/8.34 [2019-03-28 22:23:18,393 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 16.76/8.34 [2019-03-28 22:23:18,398 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 3 loop predicates 16.76/8.34 [2019-03-28 22:23:18,400 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states. Second operand 4 states. 16.76/8.34 [2019-03-28 22:23:18,466 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states.. Second operand 4 states. Result 18 states and 30 transitions. Complement of second has 6 states. 16.76/8.34 [2019-03-28 22:23:18,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 16.76/8.34 [2019-03-28 22:23:18,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 16.76/8.34 [2019-03-28 22:23:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. 16.76/8.34 [2019-03-28 22:23:18,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 3 letters. 16.76/8.34 [2019-03-28 22:23:18,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.76/8.34 [2019-03-28 22:23:18,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 3 letters. 16.76/8.34 [2019-03-28 22:23:18,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.76/8.34 [2019-03-28 22:23:18,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 6 letters. 16.76/8.34 [2019-03-28 22:23:18,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.76/8.34 [2019-03-28 22:23:18,480 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 30 transitions. 16.76/8.34 [2019-03-28 22:23:18,481 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 16.76/8.34 [2019-03-28 22:23:18,487 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 27 transitions. 16.76/8.34 [2019-03-28 22:23:18,488 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 16.76/8.34 [2019-03-28 22:23:18,488 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 16.76/8.34 [2019-03-28 22:23:18,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 27 transitions. 16.76/8.34 [2019-03-28 22:23:18,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.76/8.34 [2019-03-28 22:23:18,489 INFO L706 BuchiCegarLoop]: Abstraction has 16 states and 27 transitions. 16.76/8.34 [2019-03-28 22:23:18,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 27 transitions. 16.76/8.34 [2019-03-28 22:23:18,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 13. 16.76/8.34 [2019-03-28 22:23:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. 16.76/8.34 [2019-03-28 22:23:18,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 24 transitions. 16.76/8.34 [2019-03-28 22:23:18,520 INFO L729 BuchiCegarLoop]: Abstraction has 13 states and 24 transitions. 16.76/8.34 [2019-03-28 22:23:18,520 INFO L609 BuchiCegarLoop]: Abstraction has 13 states and 24 transitions. 16.76/8.34 [2019-03-28 22:23:18,520 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 16.76/8.34 [2019-03-28 22:23:18,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 24 transitions. 16.76/8.34 [2019-03-28 22:23:18,521 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 16.76/8.34 [2019-03-28 22:23:18,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.76/8.34 [2019-03-28 22:23:18,521 INFO L119 BuchiIsEmpty]: Starting construction of run 16.76/8.34 [2019-03-28 22:23:18,522 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.76/8.34 [2019-03-28 22:23:18,522 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 16.76/8.34 [2019-03-28 22:23:18,522 INFO L794 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRY [33] ULTIMATE.startENTRY-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 76#L12-2 [45] L12-2-->L13: Formula: (< v_ULTIMATE.start_main_~z~0_9 v_ULTIMATE.start_main_~y~0_10) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9} AuxVars[] AssignedVars[] 71#L13 16.76/8.34 [2019-03-28 22:23:18,523 INFO L796 eck$LassoCheckResult]: Loop: 71#L13 [43] L13-->L16: Formula: (>= v_ULTIMATE.start_main_~z~0_11 v_ULTIMATE.start_main_~x~0_10) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_11} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_11} AuxVars[] AssignedVars[] 77#L16 [34] L16-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 (- 1))) (< v_ULTIMATE.start_main_~z~0_6 v_ULTIMATE.start_main_~y~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 78#L16-2 [40] L16-2-->L12-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 70#L12-2 [45] L12-2-->L13: Formula: (< v_ULTIMATE.start_main_~z~0_9 v_ULTIMATE.start_main_~y~0_10) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9} AuxVars[] AssignedVars[] 71#L13 16.76/8.34 [2019-03-28 22:23:18,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/8.34 [2019-03-28 22:23:18,523 INFO L82 PathProgramCache]: Analyzing trace with hash 2029, now seen corresponding path program 1 times 16.76/8.34 [2019-03-28 22:23:18,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.76/8.34 [2019-03-28 22:23:18,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.76/8.34 [2019-03-28 22:23:18,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:18,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:18,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/8.34 [2019-03-28 22:23:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/8.34 [2019-03-28 22:23:18,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/8.34 [2019-03-28 22:23:18,532 INFO L82 PathProgramCache]: Analyzing trace with hash 2238493, now seen corresponding path program 1 times 16.76/8.34 [2019-03-28 22:23:18,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.76/8.34 [2019-03-28 22:23:18,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.76/8.34 [2019-03-28 22:23:18,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:18,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:18,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/8.34 [2019-03-28 22:23:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/8.34 [2019-03-28 22:23:18,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/8.34 [2019-03-28 22:23:18,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1875139081, now seen corresponding path program 1 times 16.76/8.34 [2019-03-28 22:23:18,543 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.76/8.34 [2019-03-28 22:23:18,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.76/8.34 [2019-03-28 22:23:18,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:18,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:18,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/8.34 [2019-03-28 22:23:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/8.34 [2019-03-28 22:23:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/8.34 [2019-03-28 22:23:18,589 INFO L216 LassoAnalysis]: Preferences: 16.76/8.34 [2019-03-28 22:23:18,590 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.76/8.34 [2019-03-28 22:23:18,590 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.76/8.34 [2019-03-28 22:23:18,590 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.76/8.34 [2019-03-28 22:23:18,590 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.76/8.34 [2019-03-28 22:23:18,590 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/8.34 [2019-03-28 22:23:18,590 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.76/8.34 [2019-03-28 22:23:18,590 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.76/8.34 [2019-03-28 22:23:18,591 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.76/8.34 [2019-03-28 22:23:18,591 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.76/8.34 [2019-03-28 22:23:18,591 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.76/8.34 [2019-03-28 22:23:18,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/8.34 [2019-03-28 22:23:18,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/8.34 [2019-03-28 22:23:18,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/8.34 [2019-03-28 22:23:18,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/8.34 [2019-03-28 22:23:18,690 INFO L300 LassoAnalysis]: Preprocessing complete. 16.76/8.34 [2019-03-28 22:23:18,690 INFO L412 LassoAnalysis]: Checking for nontermination... 16.76/8.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/8.34 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/8.34 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/8.34 [2019-03-28 22:23:18,700 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.76/8.34 [2019-03-28 22:23:18,700 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/8.34 [2019-03-28 22:23:18,731 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.76/8.34 [2019-03-28 22:23:18,732 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: [] 16.76/8.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/8.34 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/8.34 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/8.34 [2019-03-28 22:23:18,745 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.76/8.34 [2019-03-28 22:23:18,745 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/8.34 [2019-03-28 22:23:18,773 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.76/8.34 [2019-03-28 22:23:18,773 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: [] 16.76/8.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/8.34 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/8.34 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/8.34 [2019-03-28 22:23:18,780 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.76/8.34 [2019-03-28 22:23:18,780 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/8.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/8.34 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/8.34 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/8.34 [2019-03-28 22:23:18,816 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.76/8.34 [2019-03-28 22:23:18,816 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/8.34 [2019-03-28 22:23:19,491 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.76/8.34 [2019-03-28 22:23:19,494 INFO L216 LassoAnalysis]: Preferences: 16.76/8.34 [2019-03-28 22:23:19,495 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.76/8.34 [2019-03-28 22:23:19,495 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.76/8.34 [2019-03-28 22:23:19,495 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.76/8.34 [2019-03-28 22:23:19,495 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.76/8.34 [2019-03-28 22:23:19,495 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.76/8.34 [2019-03-28 22:23:19,496 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.76/8.34 [2019-03-28 22:23:19,496 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.76/8.34 [2019-03-28 22:23:19,496 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.76/8.34 [2019-03-28 22:23:19,496 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.76/8.34 [2019-03-28 22:23:19,496 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.76/8.34 [2019-03-28 22:23:19,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/8.34 [2019-03-28 22:23:19,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/8.34 [2019-03-28 22:23:19,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/8.34 [2019-03-28 22:23:19,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/8.34 [2019-03-28 22:23:19,561 INFO L300 LassoAnalysis]: Preprocessing complete. 16.76/8.34 [2019-03-28 22:23:19,562 INFO L497 LassoAnalysis]: Using template 'affine'. 16.76/8.34 [2019-03-28 22:23:19,562 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.76/8.34 Termination analysis: LINEAR_WITH_GUESSES 16.76/8.34 Number of strict supporting invariants: 0 16.76/8.34 Number of non-strict supporting invariants: 1 16.76/8.34 Consider only non-deceasing supporting invariants: true 16.76/8.34 Simplify termination arguments: true 16.76/8.34 Simplify supporting invariants: trueOverapproximate stem: false 16.76/8.34 [2019-03-28 22:23:19,564 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.76/8.34 [2019-03-28 22:23:19,564 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.76/8.34 [2019-03-28 22:23:19,564 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.76/8.34 [2019-03-28 22:23:19,564 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.76/8.34 [2019-03-28 22:23:19,566 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.76/8.34 [2019-03-28 22:23:19,566 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.76/8.34 [2019-03-28 22:23:19,570 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.76/8.34 [2019-03-28 22:23:19,571 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.76/8.34 Termination analysis: LINEAR_WITH_GUESSES 16.76/8.34 Number of strict supporting invariants: 0 16.76/8.34 Number of non-strict supporting invariants: 1 16.76/8.34 Consider only non-deceasing supporting invariants: true 16.76/8.34 Simplify termination arguments: true 16.76/8.34 Simplify supporting invariants: trueOverapproximate stem: false 16.76/8.34 [2019-03-28 22:23:19,571 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.76/8.34 [2019-03-28 22:23:19,571 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.76/8.34 [2019-03-28 22:23:19,571 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.76/8.34 [2019-03-28 22:23:19,572 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.76/8.34 [2019-03-28 22:23:19,573 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.76/8.34 [2019-03-28 22:23:19,573 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.76/8.34 [2019-03-28 22:23:19,579 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.76/8.34 [2019-03-28 22:23:19,580 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.76/8.34 Termination analysis: LINEAR_WITH_GUESSES 16.76/8.34 Number of strict supporting invariants: 0 16.76/8.34 Number of non-strict supporting invariants: 1 16.76/8.34 Consider only non-deceasing supporting invariants: true 16.76/8.34 Simplify termination arguments: true 16.76/8.34 Simplify supporting invariants: trueOverapproximate stem: false 16.76/8.34 [2019-03-28 22:23:19,580 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.76/8.34 [2019-03-28 22:23:19,580 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.76/8.34 [2019-03-28 22:23:19,581 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.76/8.34 [2019-03-28 22:23:19,581 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.76/8.34 [2019-03-28 22:23:19,581 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.76/8.34 [2019-03-28 22:23:19,582 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.76/8.34 [2019-03-28 22:23:19,582 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.76/8.34 [2019-03-28 22:23:19,587 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.76/8.34 [2019-03-28 22:23:19,593 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.76/8.34 [2019-03-28 22:23:19,593 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 16.76/8.34 [2019-03-28 22:23:19,593 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.76/8.34 [2019-03-28 22:23:19,593 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.76/8.34 [2019-03-28 22:23:19,594 INFO L518 LassoAnalysis]: Proved termination. 16.76/8.34 [2019-03-28 22:23:19,594 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.76/8.34 Ranking function f(ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~y~0) = -1*ULTIMATE.start_main_~z~0 + 1*ULTIMATE.start_main_~y~0 16.76/8.34 Supporting invariants [] 16.76/8.34 [2019-03-28 22:23:19,594 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.76/8.34 [2019-03-28 22:23:19,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/8.34 [2019-03-28 22:23:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.76/8.34 [2019-03-28 22:23:19,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core 16.76/8.34 [2019-03-28 22:23:19,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.76/8.34 [2019-03-28 22:23:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.76/8.34 [2019-03-28 22:23:19,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 16.76/8.34 [2019-03-28 22:23:19,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.76/8.34 [2019-03-28 22:23:19,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.76/8.34 [2019-03-28 22:23:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.76/8.34 [2019-03-28 22:23:19,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 16.76/8.34 [2019-03-28 22:23:19,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.76/8.34 [2019-03-28 22:23:19,668 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization 16.76/8.34 [2019-03-28 22:23:19,668 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 3 loop predicates 16.76/8.34 [2019-03-28 22:23:19,669 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 13 states and 24 transitions. cyclomatic complexity: 13 Second operand 4 states. 16.76/8.34 [2019-03-28 22:23:19,761 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 13 states and 24 transitions. cyclomatic complexity: 13. Second operand 4 states. Result 96 states and 164 transitions. Complement of second has 18 states. 16.76/8.34 [2019-03-28 22:23:19,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 2 non-accepting loop states 2 accepting loop states 16.76/8.34 [2019-03-28 22:23:19,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 16.76/8.34 [2019-03-28 22:23:19,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 33 transitions. 16.76/8.34 [2019-03-28 22:23:19,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 2 letters. Loop has 4 letters. 16.76/8.34 [2019-03-28 22:23:19,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.76/8.34 [2019-03-28 22:23:19,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 6 letters. Loop has 4 letters. 16.76/8.34 [2019-03-28 22:23:19,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.76/8.34 [2019-03-28 22:23:19,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 2 letters. Loop has 8 letters. 16.76/8.34 [2019-03-28 22:23:19,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.76/8.34 [2019-03-28 22:23:19,767 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 96 states and 164 transitions. 16.76/8.34 [2019-03-28 22:23:19,772 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.76/8.34 [2019-03-28 22:23:19,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 96 states to 0 states and 0 transitions. 16.76/8.34 [2019-03-28 22:23:19,773 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 16.76/8.34 [2019-03-28 22:23:19,773 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 16.76/8.34 [2019-03-28 22:23:19,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 16.76/8.34 [2019-03-28 22:23:19,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.76/8.34 [2019-03-28 22:23:19,773 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.76/8.34 [2019-03-28 22:23:19,773 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.76/8.34 [2019-03-28 22:23:19,773 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.76/8.34 [2019-03-28 22:23:19,773 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 16.76/8.34 [2019-03-28 22:23:19,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 16.76/8.34 [2019-03-28 22:23:19,774 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.76/8.34 [2019-03-28 22:23:19,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 16.76/8.34 [2019-03-28 22:23:19,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:23:19 BasicIcfg 16.76/8.34 [2019-03-28 22:23:19,780 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 16.76/8.34 [2019-03-28 22:23:19,781 INFO L168 Benchmark]: Toolchain (without parser) took 3439.96 ms. Allocated memory was 649.6 MB in the beginning and 686.8 MB in the end (delta: 37.2 MB). Free memory was 563.8 MB in the beginning and 440.0 MB in the end (delta: 123.8 MB). Peak memory consumption was 161.0 MB. Max. memory is 50.3 GB. 16.76/8.34 [2019-03-28 22:23:19,783 INFO L168 Benchmark]: CDTParser took 0.19 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. 16.76/8.34 [2019-03-28 22:23:19,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.78 ms. Allocated memory was 649.6 MB in the beginning and 686.8 MB in the end (delta: 37.2 MB). Free memory was 563.8 MB in the beginning and 654.3 MB in the end (delta: -90.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 50.3 GB. 16.76/8.34 [2019-03-28 22:23:19,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.65 ms. Allocated memory is still 686.8 MB. Free memory was 654.3 MB in the beginning and 652.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 16.76/8.34 [2019-03-28 22:23:19,784 INFO L168 Benchmark]: Boogie Preprocessor took 19.96 ms. Allocated memory is still 686.8 MB. Free memory was 652.9 MB in the beginning and 649.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 16.76/8.34 [2019-03-28 22:23:19,785 INFO L168 Benchmark]: RCFGBuilder took 195.26 ms. Allocated memory is still 686.8 MB. Free memory was 649.8 MB in the beginning and 636.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 16.76/8.34 [2019-03-28 22:23:19,785 INFO L168 Benchmark]: BlockEncodingV2 took 77.00 ms. Allocated memory is still 686.8 MB. Free memory was 636.9 MB in the beginning and 631.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 16.76/8.34 [2019-03-28 22:23:19,786 INFO L168 Benchmark]: TraceAbstraction took 154.94 ms. Allocated memory is still 686.8 MB. Free memory was 630.2 MB in the beginning and 622.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 16.76/8.34 [2019-03-28 22:23:19,786 INFO L168 Benchmark]: BuchiAutomizer took 2670.46 ms. Allocated memory is still 686.8 MB. Free memory was 622.1 MB in the beginning and 440.0 MB in the end (delta: 182.1 MB). Peak memory consumption was 182.1 MB. Max. memory is 50.3 GB. 16.76/8.34 [2019-03-28 22:23:19,790 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 16.76/8.34 --- Results --- 16.76/8.34 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 16.76/8.34 - StatisticsResult: Initial Icfg 16.76/8.34 9 locations, 12 edges 16.76/8.34 - StatisticsResult: Encoded RCFG 16.76/8.34 5 locations, 8 edges 16.76/8.34 * Results from de.uni_freiburg.informatik.ultimate.core: 16.76/8.34 - StatisticsResult: Toolchain Benchmarks 16.76/8.34 Benchmark results are: 16.76/8.34 * CDTParser took 0.19 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. 16.76/8.34 * CACSL2BoogieTranslator took 281.78 ms. Allocated memory was 649.6 MB in the beginning and 686.8 MB in the end (delta: 37.2 MB). Free memory was 563.8 MB in the beginning and 654.3 MB in the end (delta: -90.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 50.3 GB. 16.76/8.34 * Boogie Procedure Inliner took 34.65 ms. Allocated memory is still 686.8 MB. Free memory was 654.3 MB in the beginning and 652.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 16.76/8.34 * Boogie Preprocessor took 19.96 ms. Allocated memory is still 686.8 MB. Free memory was 652.9 MB in the beginning and 649.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 16.76/8.34 * RCFGBuilder took 195.26 ms. Allocated memory is still 686.8 MB. Free memory was 649.8 MB in the beginning and 636.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 16.76/8.34 * BlockEncodingV2 took 77.00 ms. Allocated memory is still 686.8 MB. Free memory was 636.9 MB in the beginning and 631.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 16.76/8.34 * TraceAbstraction took 154.94 ms. Allocated memory is still 686.8 MB. Free memory was 630.2 MB in the beginning and 622.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 16.76/8.34 * BuchiAutomizer took 2670.46 ms. Allocated memory is still 686.8 MB. Free memory was 622.1 MB in the beginning and 440.0 MB in the end (delta: 182.1 MB). Peak memory consumption was 182.1 MB. Max. memory is 50.3 GB. 16.76/8.34 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 16.76/8.34 - AllSpecificationsHoldResult: All specifications hold 16.76/8.34 We were not able to verify any specifiation because the program does not contain any specification. 16.76/8.34 - InvariantResult [Line: 12]: Loop Invariant 16.76/8.34 Derived loop invariant: 1 16.76/8.34 - StatisticsResult: Ultimate Automizer benchmark data 16.76/8.34 CFG has 1 procedures, 5 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=5occurred 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 16.76/8.34 - StatisticsResult: Constructed decomposition of program 16.76/8.34 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function -1 * z + x and consists of 4 locations. One nondeterministic module has affine ranking function -1 * z + y and consists of 6 locations. 16.76/8.34 - StatisticsResult: Timing statistics 16.76/8.34 BüchiAutomizer plugin needed 2.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 38 SDslu, 6 SDs, 0 SdLazy, 51 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.3s 16.76/8.34 - TerminationAnalysisResult: Termination proven 16.76/8.34 Buchi Automizer proved that your program is terminating 16.76/8.34 RESULT: Ultimate proved your program to be correct! 16.76/8.34 !SESSION 2019-03-28 22:23:12.693 ----------------------------------------------- 16.76/8.34 eclipse.buildId=unknown 16.76/8.34 java.version=1.8.0_181 16.76/8.34 java.vendor=Oracle Corporation 16.76/8.34 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 16.76/8.34 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 16.76/8.34 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 16.76/8.34 16.76/8.34 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:23:20.022 16.76/8.34 !MESSAGE The workspace will exit with unsaved changes in this session. 16.76/8.34 Received shutdown request... 16.76/8.34 Ultimate: 16.76/8.34 GTK+ Version Check 16.76/8.34 EOF