15.41/7.30 YES 15.41/7.30 15.41/7.30 Ultimate: Cannot open display: 15.41/7.30 This is Ultimate 0.1.24-8dc7c08-m 15.41/7.30 [2019-03-28 22:31:30,431 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.41/7.30 [2019-03-28 22:31:30,433 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.41/7.30 [2019-03-28 22:31:30,444 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.41/7.30 [2019-03-28 22:31:30,445 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.41/7.30 [2019-03-28 22:31:30,446 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.41/7.30 [2019-03-28 22:31:30,447 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.41/7.30 [2019-03-28 22:31:30,449 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.41/7.30 [2019-03-28 22:31:30,450 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.41/7.30 [2019-03-28 22:31:30,451 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.41/7.30 [2019-03-28 22:31:30,452 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.41/7.30 [2019-03-28 22:31:30,452 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.41/7.30 [2019-03-28 22:31:30,453 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.41/7.30 [2019-03-28 22:31:30,454 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.41/7.30 [2019-03-28 22:31:30,455 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.41/7.30 [2019-03-28 22:31:30,456 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.41/7.30 [2019-03-28 22:31:30,457 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.41/7.30 [2019-03-28 22:31:30,458 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.41/7.30 [2019-03-28 22:31:30,461 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.41/7.30 [2019-03-28 22:31:30,462 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.41/7.30 [2019-03-28 22:31:30,463 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.41/7.30 [2019-03-28 22:31:30,465 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.41/7.30 [2019-03-28 22:31:30,467 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.41/7.30 [2019-03-28 22:31:30,467 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.41/7.30 [2019-03-28 22:31:30,467 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.41/7.30 [2019-03-28 22:31:30,468 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.41/7.30 [2019-03-28 22:31:30,468 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.41/7.30 [2019-03-28 22:31:30,469 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.41/7.30 [2019-03-28 22:31:30,470 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.41/7.30 [2019-03-28 22:31:30,470 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.41/7.30 [2019-03-28 22:31:30,471 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.41/7.30 [2019-03-28 22:31:30,472 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.41/7.30 [2019-03-28 22:31:30,473 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.41/7.30 [2019-03-28 22:31:30,473 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.41/7.30 [2019-03-28 22:31:30,473 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.41/7.30 [2019-03-28 22:31:30,474 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.41/7.30 [2019-03-28 22:31:30,474 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.41/7.30 [2019-03-28 22:31:30,475 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.41/7.30 [2019-03-28 22:31:30,475 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.41/7.30 [2019-03-28 22:31:30,476 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.41/7.30 [2019-03-28 22:31:30,491 INFO L110 SettingsManager]: Loading preferences was successful 15.41/7.30 [2019-03-28 22:31:30,491 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.41/7.30 [2019-03-28 22:31:30,492 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.41/7.30 [2019-03-28 22:31:30,492 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.41/7.30 [2019-03-28 22:31:30,492 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.41/7.30 [2019-03-28 22:31:30,493 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.41/7.30 [2019-03-28 22:31:30,493 INFO L133 SettingsManager]: * Use SBE=true 15.41/7.30 [2019-03-28 22:31:30,493 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.41/7.30 [2019-03-28 22:31:30,493 INFO L133 SettingsManager]: * Use old map elimination=false 15.41/7.30 [2019-03-28 22:31:30,493 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.41/7.30 [2019-03-28 22:31:30,494 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.41/7.30 [2019-03-28 22:31:30,494 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.41/7.30 [2019-03-28 22:31:30,494 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.41/7.30 [2019-03-28 22:31:30,494 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.41/7.30 [2019-03-28 22:31:30,494 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:30,494 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.41/7.30 [2019-03-28 22:31:30,495 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.41/7.30 [2019-03-28 22:31:30,495 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.41/7.30 [2019-03-28 22:31:30,495 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.41/7.30 [2019-03-28 22:31:30,495 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.41/7.30 [2019-03-28 22:31:30,495 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.41/7.30 [2019-03-28 22:31:30,496 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.41/7.30 [2019-03-28 22:31:30,496 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.41/7.30 [2019-03-28 22:31:30,496 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.41/7.30 [2019-03-28 22:31:30,496 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.41/7.30 [2019-03-28 22:31:30,496 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.41/7.30 [2019-03-28 22:31:30,497 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.41/7.30 [2019-03-28 22:31:30,497 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.41/7.30 [2019-03-28 22:31:30,497 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.41/7.30 [2019-03-28 22:31:30,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.41/7.30 [2019-03-28 22:31:30,537 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.41/7.30 [2019-03-28 22:31:30,541 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.41/7.30 [2019-03-28 22:31:30,542 INFO L271 PluginConnector]: Initializing CDTParser... 15.41/7.30 [2019-03-28 22:31:30,542 INFO L276 PluginConnector]: CDTParser initialized 15.41/7.30 [2019-03-28 22:31:30,543 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.41/7.30 [2019-03-28 22:31:30,611 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/741900e1ace149dfbbc7a5b0c4083da3/FLAG05afc7e5e 15.41/7.30 [2019-03-28 22:31:30,943 INFO L307 CDTParser]: Found 1 translation units. 15.41/7.30 [2019-03-28 22:31:30,944 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.41/7.30 [2019-03-28 22:31:30,951 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/741900e1ace149dfbbc7a5b0c4083da3/FLAG05afc7e5e 15.41/7.30 [2019-03-28 22:31:31,367 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/741900e1ace149dfbbc7a5b0c4083da3 15.41/7.30 [2019-03-28 22:31:31,379 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.41/7.30 [2019-03-28 22:31:31,380 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.41/7.30 [2019-03-28 22:31:31,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.41/7.30 [2019-03-28 22:31:31,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.41/7.30 [2019-03-28 22:31:31,385 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.41/7.30 [2019-03-28 22:31:31,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:31:31" (1/1) ... 15.41/7.30 [2019-03-28 22:31:31,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df121f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:31, skipping insertion in model container 15.41/7.30 [2019-03-28 22:31:31,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:31:31" (1/1) ... 15.41/7.30 [2019-03-28 22:31:31,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.41/7.30 [2019-03-28 22:31:31,416 INFO L176 MainTranslator]: Built tables and reachable declarations 15.41/7.30 [2019-03-28 22:31:31,572 INFO L206 PostProcessor]: Analyzing one entry point: main 15.41/7.30 [2019-03-28 22:31:31,576 INFO L191 MainTranslator]: Completed pre-run 15.41/7.30 [2019-03-28 22:31:31,593 INFO L206 PostProcessor]: Analyzing one entry point: main 15.41/7.30 [2019-03-28 22:31:31,607 INFO L195 MainTranslator]: Completed translation 15.41/7.30 [2019-03-28 22:31:31,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:31 WrapperNode 15.41/7.30 [2019-03-28 22:31:31,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.41/7.30 [2019-03-28 22:31:31,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.41/7.30 [2019-03-28 22:31:31,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.41/7.30 [2019-03-28 22:31:31,609 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.41/7.30 [2019-03-28 22:31:31,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:31" (1/1) ... 15.41/7.30 [2019-03-28 22:31:31,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:31" (1/1) ... 15.41/7.30 [2019-03-28 22:31:31,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.41/7.30 [2019-03-28 22:31:31,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.41/7.30 [2019-03-28 22:31:31,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.41/7.30 [2019-03-28 22:31:31,701 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.41/7.30 [2019-03-28 22:31:31,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:31" (1/1) ... 15.41/7.30 [2019-03-28 22:31:31,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:31" (1/1) ... 15.41/7.30 [2019-03-28 22:31:31,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:31" (1/1) ... 15.41/7.30 [2019-03-28 22:31:31,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:31" (1/1) ... 15.41/7.30 [2019-03-28 22:31:31,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:31" (1/1) ... 15.41/7.30 [2019-03-28 22:31:31,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:31" (1/1) ... 15.41/7.30 [2019-03-28 22:31:31,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:31" (1/1) ... 15.41/7.30 [2019-03-28 22:31:31,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.41/7.30 [2019-03-28 22:31:31,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.41/7.30 [2019-03-28 22:31:31,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.41/7.30 [2019-03-28 22:31:31,721 INFO L276 PluginConnector]: RCFGBuilder initialized 15.41/7.30 [2019-03-28 22:31:31,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:31" (1/1) ... 15.41/7.30 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.30 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.41/7.30 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.41/7.30 [2019-03-28 22:31:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.41/7.30 [2019-03-28 22:31:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.41/7.30 [2019-03-28 22:31:31,911 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.41/7.30 [2019-03-28 22:31:31,912 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.41/7.30 [2019-03-28 22:31:31,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:31:31 BoogieIcfgContainer 15.41/7.30 [2019-03-28 22:31:31,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.41/7.30 [2019-03-28 22:31:31,914 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.41/7.30 [2019-03-28 22:31:31,914 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.41/7.30 [2019-03-28 22:31:31,916 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.41/7.30 [2019-03-28 22:31:31,917 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:31:31" (1/1) ... 15.41/7.30 [2019-03-28 22:31:31,931 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 15.41/7.30 [2019-03-28 22:31:31,933 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.41/7.30 [2019-03-28 22:31:31,934 INFO L263 BlockEncoder]: Using Maximize final states 15.41/7.30 [2019-03-28 22:31:31,934 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.41/7.30 [2019-03-28 22:31:31,935 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.41/7.30 [2019-03-28 22:31:31,937 INFO L296 BlockEncoder]: Using Remove sink states 15.41/7.30 [2019-03-28 22:31:31,937 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.41/7.30 [2019-03-28 22:31:31,938 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.41/7.30 [2019-03-28 22:31:31,952 INFO L185 BlockEncoder]: Using Use SBE 15.41/7.30 [2019-03-28 22:31:31,959 INFO L200 BlockEncoder]: SBE split 0 edges 15.41/7.30 [2019-03-28 22:31:31,964 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.41/7.30 [2019-03-28 22:31:31,966 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.41/7.30 [2019-03-28 22:31:31,978 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 15.41/7.30 [2019-03-28 22:31:31,980 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.41/7.30 [2019-03-28 22:31:31,981 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.41/7.30 [2019-03-28 22:31:31,982 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.41/7.30 [2019-03-28 22:31:31,982 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.41/7.30 [2019-03-28 22:31:31,982 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.41/7.30 [2019-03-28 22:31:31,982 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 15.41/7.30 [2019-03-28 22:31:31,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:31:31 BasicIcfg 15.41/7.30 [2019-03-28 22:31:31,983 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.41/7.30 [2019-03-28 22:31:31,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.41/7.30 [2019-03-28 22:31:31,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.41/7.30 [2019-03-28 22:31:31,987 INFO L276 PluginConnector]: TraceAbstraction initialized 15.41/7.30 [2019-03-28 22:31:31,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:31:31" (1/4) ... 15.41/7.30 [2019-03-28 22:31:31,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f52ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:31:31, skipping insertion in model container 15.41/7.30 [2019-03-28 22:31:31,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:31" (2/4) ... 15.41/7.30 [2019-03-28 22:31:31,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f52ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:31:31, skipping insertion in model container 15.41/7.30 [2019-03-28 22:31:31,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:31:31" (3/4) ... 15.41/7.30 [2019-03-28 22:31:31,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f52ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:31:31, skipping insertion in model container 15.41/7.30 [2019-03-28 22:31:31,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:31:31" (4/4) ... 15.41/7.30 [2019-03-28 22:31:31,991 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.41/7.30 [2019-03-28 22:31:32,001 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.41/7.30 [2019-03-28 22:31:32,010 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.41/7.30 [2019-03-28 22:31:32,028 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.41/7.30 [2019-03-28 22:31:32,056 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.41/7.30 [2019-03-28 22:31:32,057 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.41/7.30 [2019-03-28 22:31:32,057 INFO L383 AbstractCegarLoop]: Hoare is true 15.41/7.30 [2019-03-28 22:31:32,057 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.41/7.30 [2019-03-28 22:31:32,057 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.41/7.30 [2019-03-28 22:31:32,058 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.41/7.30 [2019-03-28 22:31:32,058 INFO L387 AbstractCegarLoop]: Difference is false 15.41/7.30 [2019-03-28 22:31:32,058 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.41/7.30 [2019-03-28 22:31:32,058 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.41/7.30 [2019-03-28 22:31:32,072 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 15.41/7.30 [2019-03-28 22:31:32,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.41/7.30 [2019-03-28 22:31:32,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 15.41/7.30 [2019-03-28 22:31:32,129 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.41/7.30 [2019-03-28 22:31:32,130 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 30) no Hoare annotation was computed. 15.41/7.30 [2019-03-28 22:31:32,130 INFO L451 ceAbstractionStarter]: At program point L25-2(lines 23 31) the Hoare annotation is: true 15.41/7.30 [2019-03-28 22:31:32,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:31:32 BasicIcfg 15.41/7.30 [2019-03-28 22:31:32,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.41/7.30 [2019-03-28 22:31:32,139 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.41/7.30 [2019-03-28 22:31:32,140 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.41/7.30 [2019-03-28 22:31:32,143 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.41/7.30 [2019-03-28 22:31:32,144 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.41/7.30 [2019-03-28 22:31:32,144 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:31:31" (1/5) ... 15.41/7.30 [2019-03-28 22:31:32,145 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ef8e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:31:32, skipping insertion in model container 15.41/7.30 [2019-03-28 22:31:32,145 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.41/7.30 [2019-03-28 22:31:32,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:31:31" (2/5) ... 15.41/7.30 [2019-03-28 22:31:32,146 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ef8e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:31:32, skipping insertion in model container 15.41/7.30 [2019-03-28 22:31:32,146 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.41/7.30 [2019-03-28 22:31:32,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:31:31" (3/5) ... 15.41/7.30 [2019-03-28 22:31:32,146 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ef8e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:31:32, skipping insertion in model container 15.41/7.30 [2019-03-28 22:31:32,146 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.41/7.30 [2019-03-28 22:31:32,147 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:31:31" (4/5) ... 15.41/7.30 [2019-03-28 22:31:32,147 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ef8e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:31:32, skipping insertion in model container 15.41/7.30 [2019-03-28 22:31:32,147 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.41/7.30 [2019-03-28 22:31:32,147 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:31:32" (5/5) ... 15.41/7.30 [2019-03-28 22:31:32,149 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.41/7.30 [2019-03-28 22:31:32,175 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.41/7.30 [2019-03-28 22:31:32,175 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.41/7.30 [2019-03-28 22:31:32,176 INFO L375 BuchiCegarLoop]: Hoare is true 15.41/7.30 [2019-03-28 22:31:32,176 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.41/7.30 [2019-03-28 22:31:32,176 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.41/7.30 [2019-03-28 22:31:32,176 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.41/7.30 [2019-03-28 22:31:32,176 INFO L379 BuchiCegarLoop]: Difference is false 15.41/7.30 [2019-03-28 22:31:32,177 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.41/7.30 [2019-03-28 22:31:32,177 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.41/7.30 [2019-03-28 22:31:32,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.41/7.30 [2019-03-28 22:31:32,197 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.41/7.30 [2019-03-28 22:31:32,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.41/7.30 [2019-03-28 22:31:32,197 INFO L119 BuchiIsEmpty]: Starting construction of run 15.41/7.30 [2019-03-28 22:31:32,202 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.41/7.30 [2019-03-28 22:31:32,203 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.41/7.30 [2019-03-28 22:31:32,203 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.41/7.30 [2019-03-28 22:31:32,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.41/7.30 [2019-03-28 22:31:32,203 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.41/7.30 [2019-03-28 22:31:32,204 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.41/7.30 [2019-03-28 22:31:32,204 INFO L119 BuchiIsEmpty]: Starting construction of run 15.41/7.30 [2019-03-28 22:31:32,204 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.41/7.30 [2019-03-28 22:31:32,204 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.41/7.30 [2019-03-28 22:31:32,209 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [25] ULTIMATE.startENTRY-->L25-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~w~0_1 v_ULTIMATE.start_main_~z~0_1) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) (= v_ULTIMATE.start_main_~u~0_1 v_ULTIMATE.start_main_~x~0_1) (= v_ULTIMATE.start_main_~v~0_1 v_ULTIMATE.start_main_~y~0_1)) InVars {} OutVars{ULTIMATE.start_main_~v~0=v_ULTIMATE.start_main_~v~0_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_1, ULTIMATE.start_main_~u~0=v_ULTIMATE.start_main_~u~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_~v~0, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~w~0, ULTIMATE.start_main_~u~0] 4#L25-2true 15.41/7.30 [2019-03-28 22:31:32,210 INFO L796 eck$LassoCheckResult]: Loop: 4#L25-2true [29] L25-2-->L25: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (<= v_ULTIMATE.start_main_~y~0_7 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 5#L25true [34] L25-->L25-2: Formula: (and (>= 1 v_ULTIMATE.start_main_~z~0_8) (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 4#L25-2true 15.41/7.30 [2019-03-28 22:31:32,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.30 [2019-03-28 22:31:32,216 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times 15.41/7.30 [2019-03-28 22:31:32,218 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.30 [2019-03-28 22:31:32,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.30 [2019-03-28 22:31:32,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:32,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:32,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:32,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.30 [2019-03-28 22:31:32,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 1 times 15.41/7.30 [2019-03-28 22:31:32,292 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.30 [2019-03-28 22:31:32,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.30 [2019-03-28 22:31:32,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:32,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:32,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:32,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.30 [2019-03-28 22:31:32,307 INFO L82 PathProgramCache]: Analyzing trace with hash 54749, now seen corresponding path program 1 times 15.41/7.30 [2019-03-28 22:31:32,307 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.30 [2019-03-28 22:31:32,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.30 [2019-03-28 22:31:32,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:32,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:32,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:32,383 INFO L216 LassoAnalysis]: Preferences: 15.41/7.30 [2019-03-28 22:31:32,384 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.41/7.30 [2019-03-28 22:31:32,385 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.41/7.30 [2019-03-28 22:31:32,385 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.41/7.30 [2019-03-28 22:31:32,385 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.41/7.30 [2019-03-28 22:31:32,385 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:32,385 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.41/7.30 [2019-03-28 22:31:32,385 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.41/7.30 [2019-03-28 22:31:32,386 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.41/7.30 [2019-03-28 22:31:32,386 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.41/7.30 [2019-03-28 22:31:32,386 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.41/7.30 [2019-03-28 22:31:32,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:32,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:32,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:32,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:32,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:32,542 INFO L300 LassoAnalysis]: Preprocessing complete. 15.41/7.30 [2019-03-28 22:31:32,543 INFO L412 LassoAnalysis]: Checking for nontermination... 15.41/7.30 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.30 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.30 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:32,558 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.41/7.30 [2019-03-28 22:31:32,558 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.30 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.30 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.30 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:32,596 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.41/7.30 [2019-03-28 22:31:32,597 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.30 [2019-03-28 22:31:32,779 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.41/7.30 [2019-03-28 22:31:32,782 INFO L216 LassoAnalysis]: Preferences: 15.41/7.30 [2019-03-28 22:31:32,782 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.41/7.30 [2019-03-28 22:31:32,782 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.41/7.30 [2019-03-28 22:31:32,782 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.41/7.30 [2019-03-28 22:31:32,782 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.41/7.30 [2019-03-28 22:31:32,782 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:32,783 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.41/7.30 [2019-03-28 22:31:32,783 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.41/7.30 [2019-03-28 22:31:32,783 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.41/7.30 [2019-03-28 22:31:32,783 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.41/7.30 [2019-03-28 22:31:32,783 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.41/7.30 [2019-03-28 22:31:32,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:32,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:32,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:32,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:32,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:32,868 INFO L300 LassoAnalysis]: Preprocessing complete. 15.41/7.30 [2019-03-28 22:31:32,874 INFO L497 LassoAnalysis]: Using template 'affine'. 15.41/7.30 [2019-03-28 22:31:32,876 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.41/7.30 Termination analysis: LINEAR_WITH_GUESSES 15.41/7.30 Number of strict supporting invariants: 0 15.41/7.30 Number of non-strict supporting invariants: 1 15.41/7.30 Consider only non-deceasing supporting invariants: true 15.41/7.30 Simplify termination arguments: true 15.41/7.30 Simplify supporting invariants: trueOverapproximate stem: false 15.41/7.30 [2019-03-28 22:31:32,877 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.41/7.30 [2019-03-28 22:31:32,878 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.41/7.30 [2019-03-28 22:31:32,878 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.41/7.30 [2019-03-28 22:31:32,878 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.41/7.30 [2019-03-28 22:31:32,879 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.41/7.30 [2019-03-28 22:31:32,881 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.41/7.30 [2019-03-28 22:31:32,881 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.41/7.30 [2019-03-28 22:31:32,889 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.41/7.30 [2019-03-28 22:31:32,896 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.41/7.30 [2019-03-28 22:31:32,897 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 15.41/7.30 [2019-03-28 22:31:32,920 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.41/7.30 [2019-03-28 22:31:32,920 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.41/7.30 [2019-03-28 22:31:32,921 INFO L518 LassoAnalysis]: Proved termination. 15.41/7.30 [2019-03-28 22:31:32,922 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.41/7.30 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~x~0 + 1 15.41/7.30 Supporting invariants [] 15.41/7.30 [2019-03-28 22:31:32,923 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.41/7.30 [2019-03-28 22:31:32,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.30 [2019-03-28 22:31:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/7.30 [2019-03-28 22:31:32,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core 15.41/7.30 [2019-03-28 22:31:32,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.41/7.30 [2019-03-28 22:31:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/7.30 [2019-03-28 22:31:32,975 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.41/7.30 [2019-03-28 22:31:32,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.41/7.30 [2019-03-28 22:31:32,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.41/7.30 [2019-03-28 22:31:33,017 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.41/7.30 [2019-03-28 22:31:33,022 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 15.41/7.30 [2019-03-28 22:31:33,024 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 15.41/7.30 [2019-03-28 22:31:33,074 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 11 states and 16 transitions. Complement of second has 6 states. 15.41/7.30 [2019-03-28 22:31:33,075 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 15.41/7.30 [2019-03-28 22:31:33,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.41/7.30 [2019-03-28 22:31:33,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. 15.41/7.30 [2019-03-28 22:31:33,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. 15.41/7.30 [2019-03-28 22:31:33,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.41/7.30 [2019-03-28 22:31:33,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 3 letters. Loop has 2 letters. 15.41/7.30 [2019-03-28 22:31:33,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.41/7.30 [2019-03-28 22:31:33,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 4 letters. 15.41/7.30 [2019-03-28 22:31:33,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.41/7.30 [2019-03-28 22:31:33,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. 15.41/7.30 [2019-03-28 22:31:33,089 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 15.41/7.30 [2019-03-28 22:31:33,093 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 9 states and 13 transitions. 15.41/7.30 [2019-03-28 22:31:33,094 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 15.41/7.30 [2019-03-28 22:31:33,094 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 15.41/7.30 [2019-03-28 22:31:33,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. 15.41/7.30 [2019-03-28 22:31:33,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.41/7.30 [2019-03-28 22:31:33,095 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. 15.41/7.30 [2019-03-28 22:31:33,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. 15.41/7.30 [2019-03-28 22:31:33,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 7. 15.41/7.30 [2019-03-28 22:31:33,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 15.41/7.30 [2019-03-28 22:31:33,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 15.41/7.30 [2019-03-28 22:31:33,125 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 15.41/7.30 [2019-03-28 22:31:33,125 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 15.41/7.30 [2019-03-28 22:31:33,125 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.41/7.30 [2019-03-28 22:31:33,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. 15.41/7.30 [2019-03-28 22:31:33,126 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.41/7.30 [2019-03-28 22:31:33,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.41/7.30 [2019-03-28 22:31:33,126 INFO L119 BuchiIsEmpty]: Starting construction of run 15.41/7.30 [2019-03-28 22:31:33,126 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 15.41/7.30 [2019-03-28 22:31:33,127 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.41/7.30 [2019-03-28 22:31:33,127 INFO L794 eck$LassoCheckResult]: Stem: 50#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L25-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~w~0_1 v_ULTIMATE.start_main_~z~0_1) (= 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|) (= v_ULTIMATE.start_main_~u~0_1 v_ULTIMATE.start_main_~x~0_1) (= v_ULTIMATE.start_main_~v~0_1 v_ULTIMATE.start_main_~y~0_1)) InVars {} OutVars{ULTIMATE.start_main_~v~0=v_ULTIMATE.start_main_~v~0_1, 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, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_1, ULTIMATE.start_main_~u~0=v_ULTIMATE.start_main_~u~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_~v~0, 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, ULTIMATE.start_main_~w~0, ULTIMATE.start_main_~u~0] 51#L25-2 [29] L25-2-->L25: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (<= v_ULTIMATE.start_main_~y~0_7 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 56#L25 [31] L25-->L25-2: Formula: (and (= v_ULTIMATE.start_main_~z~0_6 (+ v_ULTIMATE.start_main_~z~0_7 (- 1))) (< 1 v_ULTIMATE.start_main_~z~0_7) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~z~0_6 v_ULTIMATE.start_main_~x~0_9))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 52#L25-2 15.41/7.30 [2019-03-28 22:31:33,127 INFO L796 eck$LassoCheckResult]: Loop: 52#L25-2 [29] L25-2-->L25: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (<= v_ULTIMATE.start_main_~y~0_7 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 53#L25 [34] L25-->L25-2: Formula: (and (>= 1 v_ULTIMATE.start_main_~z~0_8) (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 52#L25-2 15.41/7.30 [2019-03-28 22:31:33,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.30 [2019-03-28 22:31:33,128 INFO L82 PathProgramCache]: Analyzing trace with hash 54746, now seen corresponding path program 1 times 15.41/7.30 [2019-03-28 22:31:33,128 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.30 [2019-03-28 22:31:33,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.30 [2019-03-28 22:31:33,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:33,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.30 [2019-03-28 22:31:33,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 2 times 15.41/7.30 [2019-03-28 22:31:33,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.30 [2019-03-28 22:31:33,143 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.30 [2019-03-28 22:31:33,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:33,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.30 [2019-03-28 22:31:33,151 INFO L82 PathProgramCache]: Analyzing trace with hash 52611839, now seen corresponding path program 1 times 15.41/7.30 [2019-03-28 22:31:33,151 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.30 [2019-03-28 22:31:33,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.30 [2019-03-28 22:31:33,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,153 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:33,191 INFO L216 LassoAnalysis]: Preferences: 15.41/7.30 [2019-03-28 22:31:33,191 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.41/7.30 [2019-03-28 22:31:33,192 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.41/7.30 [2019-03-28 22:31:33,192 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.41/7.30 [2019-03-28 22:31:33,192 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.41/7.30 [2019-03-28 22:31:33,192 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:33,192 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.41/7.30 [2019-03-28 22:31:33,192 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.41/7.30 [2019-03-28 22:31:33,192 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.41/7.30 [2019-03-28 22:31:33,193 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.41/7.30 [2019-03-28 22:31:33,193 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.41/7.30 [2019-03-28 22:31:33,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:33,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:33,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:33,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:33,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:33,267 INFO L300 LassoAnalysis]: Preprocessing complete. 15.41/7.30 [2019-03-28 22:31:33,267 INFO L412 LassoAnalysis]: Checking for nontermination... 15.41/7.30 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.30 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.30 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:33,274 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.41/7.30 [2019-03-28 22:31:33,274 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.30 [2019-03-28 22:31:33,306 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.41/7.30 [2019-03-28 22:31:33,306 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: [] 15.41/7.30 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.30 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.30 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:33,311 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.41/7.30 [2019-03-28 22:31:33,311 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.30 [2019-03-28 22:31:33,340 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.41/7.30 [2019-03-28 22:31:33,341 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: [] 15.41/7.30 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.30 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.30 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:33,346 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.41/7.30 [2019-03-28 22:31:33,346 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.30 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.30 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.30 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:33,377 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.41/7.30 [2019-03-28 22:31:33,377 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.30 [2019-03-28 22:31:33,413 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.41/7.30 [2019-03-28 22:31:33,413 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] 15.41/7.30 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.30 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.30 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:33,441 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.41/7.30 [2019-03-28 22:31:33,441 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.30 [2019-03-28 22:31:33,468 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.41/7.30 [2019-03-28 22:31:33,468 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=1} Honda state: {ULTIMATE.start_main_~z~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.41/7.30 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.30 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.30 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:33,473 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.41/7.30 [2019-03-28 22:31:33,473 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.30 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.30 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.30 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:33,503 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.41/7.30 [2019-03-28 22:31:33,503 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.30 [2019-03-28 22:31:33,684 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.41/7.30 [2019-03-28 22:31:33,686 INFO L216 LassoAnalysis]: Preferences: 15.41/7.30 [2019-03-28 22:31:33,687 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.41/7.30 [2019-03-28 22:31:33,687 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.41/7.30 [2019-03-28 22:31:33,687 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.41/7.30 [2019-03-28 22:31:33,687 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.41/7.30 [2019-03-28 22:31:33,687 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:33,687 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.41/7.30 [2019-03-28 22:31:33,687 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.41/7.30 [2019-03-28 22:31:33,688 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.41/7.30 [2019-03-28 22:31:33,688 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.41/7.30 [2019-03-28 22:31:33,688 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.41/7.30 [2019-03-28 22:31:33,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:33,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:33,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:33,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:33,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:33,773 INFO L300 LassoAnalysis]: Preprocessing complete. 15.41/7.30 [2019-03-28 22:31:33,774 INFO L497 LassoAnalysis]: Using template 'affine'. 15.41/7.30 [2019-03-28 22:31:33,774 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.41/7.30 Termination analysis: LINEAR_WITH_GUESSES 15.41/7.30 Number of strict supporting invariants: 0 15.41/7.30 Number of non-strict supporting invariants: 1 15.41/7.30 Consider only non-deceasing supporting invariants: true 15.41/7.30 Simplify termination arguments: true 15.41/7.30 Simplify supporting invariants: trueOverapproximate stem: false 15.41/7.30 [2019-03-28 22:31:33,775 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.41/7.30 [2019-03-28 22:31:33,775 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.41/7.30 [2019-03-28 22:31:33,775 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.41/7.30 [2019-03-28 22:31:33,776 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.41/7.30 [2019-03-28 22:31:33,779 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.41/7.30 [2019-03-28 22:31:33,779 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.41/7.30 [2019-03-28 22:31:33,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.41/7.30 [2019-03-28 22:31:33,784 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.41/7.30 Termination analysis: LINEAR_WITH_GUESSES 15.41/7.30 Number of strict supporting invariants: 0 15.41/7.30 Number of non-strict supporting invariants: 1 15.41/7.30 Consider only non-deceasing supporting invariants: true 15.41/7.30 Simplify termination arguments: true 15.41/7.30 Simplify supporting invariants: trueOverapproximate stem: false 15.41/7.30 [2019-03-28 22:31:33,785 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.41/7.30 [2019-03-28 22:31:33,785 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.41/7.30 [2019-03-28 22:31:33,785 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.41/7.30 [2019-03-28 22:31:33,785 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.41/7.30 [2019-03-28 22:31:33,787 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.41/7.30 [2019-03-28 22:31:33,788 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.41/7.30 [2019-03-28 22:31:33,793 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.41/7.30 [2019-03-28 22:31:33,794 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.41/7.30 Termination analysis: LINEAR_WITH_GUESSES 15.41/7.30 Number of strict supporting invariants: 0 15.41/7.30 Number of non-strict supporting invariants: 1 15.41/7.30 Consider only non-deceasing supporting invariants: true 15.41/7.30 Simplify termination arguments: true 15.41/7.30 Simplify supporting invariants: trueOverapproximate stem: false 15.41/7.30 [2019-03-28 22:31:33,795 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.41/7.30 [2019-03-28 22:31:33,795 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.41/7.30 [2019-03-28 22:31:33,796 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.41/7.30 [2019-03-28 22:31:33,796 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.41/7.30 [2019-03-28 22:31:33,796 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.41/7.30 [2019-03-28 22:31:33,797 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.41/7.30 [2019-03-28 22:31:33,797 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.41/7.30 [2019-03-28 22:31:33,800 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.41/7.30 [2019-03-28 22:31:33,800 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.41/7.30 Termination analysis: LINEAR_WITH_GUESSES 15.41/7.30 Number of strict supporting invariants: 0 15.41/7.30 Number of non-strict supporting invariants: 1 15.41/7.30 Consider only non-deceasing supporting invariants: true 15.41/7.30 Simplify termination arguments: true 15.41/7.30 Simplify supporting invariants: trueOverapproximate stem: false 15.41/7.30 [2019-03-28 22:31:33,801 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.41/7.30 [2019-03-28 22:31:33,801 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.41/7.30 [2019-03-28 22:31:33,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.41/7.30 [2019-03-28 22:31:33,802 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.41/7.30 [2019-03-28 22:31:33,802 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.41/7.30 [2019-03-28 22:31:33,802 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.41/7.30 [2019-03-28 22:31:33,802 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.41/7.30 [2019-03-28 22:31:33,804 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.41/7.30 [2019-03-28 22:31:33,804 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.41/7.30 Termination analysis: LINEAR_WITH_GUESSES 15.41/7.30 Number of strict supporting invariants: 0 15.41/7.30 Number of non-strict supporting invariants: 1 15.41/7.30 Consider only non-deceasing supporting invariants: true 15.41/7.30 Simplify termination arguments: true 15.41/7.30 Simplify supporting invariants: trueOverapproximate stem: false 15.41/7.30 [2019-03-28 22:31:33,805 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.41/7.30 [2019-03-28 22:31:33,805 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.41/7.30 [2019-03-28 22:31:33,805 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.41/7.30 [2019-03-28 22:31:33,805 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.41/7.30 [2019-03-28 22:31:33,805 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.41/7.30 [2019-03-28 22:31:33,807 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.41/7.30 [2019-03-28 22:31:33,807 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.41/7.30 [2019-03-28 22:31:33,811 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.41/7.30 [2019-03-28 22:31:33,814 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.41/7.30 [2019-03-28 22:31:33,815 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 15.41/7.30 [2019-03-28 22:31:33,815 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.41/7.30 [2019-03-28 22:31:33,815 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.41/7.30 [2019-03-28 22:31:33,816 INFO L518 LassoAnalysis]: Proved termination. 15.41/7.30 [2019-03-28 22:31:33,816 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.41/7.30 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~x~0 + 1 15.41/7.30 Supporting invariants [] 15.41/7.30 [2019-03-28 22:31:33,816 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.41/7.30 [2019-03-28 22:31:33,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.30 [2019-03-28 22:31:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/7.30 [2019-03-28 22:31:33,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core 15.41/7.30 [2019-03-28 22:31:33,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.41/7.30 [2019-03-28 22:31:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/7.30 [2019-03-28 22:31:33,851 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 15.41/7.30 [2019-03-28 22:31:33,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.41/7.30 [2019-03-28 22:31:33,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.41/7.30 [2019-03-28 22:31:33,879 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.41/7.30 [2019-03-28 22:31:33,879 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 15.41/7.30 [2019-03-28 22:31:33,880 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. 15.41/7.30 [2019-03-28 22:31:33,906 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 15 states and 21 transitions. Complement of second has 10 states. 15.41/7.30 [2019-03-28 22:31:33,906 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 15.41/7.30 [2019-03-28 22:31:33,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.41/7.30 [2019-03-28 22:31:33,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. 15.41/7.30 [2019-03-28 22:31:33,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 3 letters. Loop has 2 letters. 15.41/7.30 [2019-03-28 22:31:33,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.41/7.30 [2019-03-28 22:31:33,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. 15.41/7.30 [2019-03-28 22:31:33,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.41/7.30 [2019-03-28 22:31:33,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 3 letters. Loop has 4 letters. 15.41/7.30 [2019-03-28 22:31:33,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.41/7.30 [2019-03-28 22:31:33,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 21 transitions. 15.41/7.30 [2019-03-28 22:31:33,911 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 15.41/7.30 [2019-03-28 22:31:33,912 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 12 states and 17 transitions. 15.41/7.30 [2019-03-28 22:31:33,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 15.41/7.30 [2019-03-28 22:31:33,912 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 15.41/7.30 [2019-03-28 22:31:33,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. 15.41/7.30 [2019-03-28 22:31:33,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.41/7.30 [2019-03-28 22:31:33,913 INFO L706 BuchiCegarLoop]: Abstraction has 12 states and 17 transitions. 15.41/7.30 [2019-03-28 22:31:33,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. 15.41/7.30 [2019-03-28 22:31:33,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 5. 15.41/7.30 [2019-03-28 22:31:33,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 15.41/7.30 [2019-03-28 22:31:33,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. 15.41/7.30 [2019-03-28 22:31:33,915 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 15.41/7.30 [2019-03-28 22:31:33,915 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 15.41/7.30 [2019-03-28 22:31:33,915 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.41/7.30 [2019-03-28 22:31:33,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. 15.41/7.30 [2019-03-28 22:31:33,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.41/7.30 [2019-03-28 22:31:33,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.41/7.30 [2019-03-28 22:31:33,916 INFO L119 BuchiIsEmpty]: Starting construction of run 15.41/7.30 [2019-03-28 22:31:33,916 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.41/7.30 [2019-03-28 22:31:33,916 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.41/7.30 [2019-03-28 22:31:33,916 INFO L794 eck$LassoCheckResult]: Stem: 115#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L25-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~w~0_1 v_ULTIMATE.start_main_~z~0_1) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) (= v_ULTIMATE.start_main_~u~0_1 v_ULTIMATE.start_main_~x~0_1) (= v_ULTIMATE.start_main_~v~0_1 v_ULTIMATE.start_main_~y~0_1)) InVars {} OutVars{ULTIMATE.start_main_~v~0=v_ULTIMATE.start_main_~v~0_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~w~0=v_ULTIMATE.start_main_~w~0_1, ULTIMATE.start_main_~u~0=v_ULTIMATE.start_main_~u~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_~v~0, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~w~0, ULTIMATE.start_main_~u~0] 116#L25-2 15.41/7.30 [2019-03-28 22:31:33,917 INFO L796 eck$LassoCheckResult]: Loop: 116#L25-2 [29] L25-2-->L25: Formula: (and (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (<= v_ULTIMATE.start_main_~y~0_7 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 118#L25 [31] L25-->L25-2: Formula: (and (= v_ULTIMATE.start_main_~z~0_6 (+ v_ULTIMATE.start_main_~z~0_7 (- 1))) (< 1 v_ULTIMATE.start_main_~z~0_7) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~z~0_6 v_ULTIMATE.start_main_~x~0_9))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 116#L25-2 15.41/7.30 [2019-03-28 22:31:33,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.30 [2019-03-28 22:31:33,917 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 2 times 15.41/7.30 [2019-03-28 22:31:33,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.30 [2019-03-28 22:31:33,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.30 [2019-03-28 22:31:33,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:33,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.30 [2019-03-28 22:31:33,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times 15.41/7.30 [2019-03-28 22:31:33,926 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.30 [2019-03-28 22:31:33,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.30 [2019-03-28 22:31:33,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,927 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:33,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.30 [2019-03-28 22:31:33,934 INFO L82 PathProgramCache]: Analyzing trace with hash 54746, now seen corresponding path program 2 times 15.41/7.30 [2019-03-28 22:31:33,934 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/7.30 [2019-03-28 22:31:33,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/7.30 [2019-03-28 22:31:33,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/7.30 [2019-03-28 22:31:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/7.30 [2019-03-28 22:31:33,967 INFO L216 LassoAnalysis]: Preferences: 15.41/7.30 [2019-03-28 22:31:33,967 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.41/7.30 [2019-03-28 22:31:33,968 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.41/7.30 [2019-03-28 22:31:33,968 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.41/7.30 [2019-03-28 22:31:33,968 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.41/7.30 [2019-03-28 22:31:33,968 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:33,968 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.41/7.30 [2019-03-28 22:31:33,969 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.41/7.30 [2019-03-28 22:31:33,969 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.41/7.30 [2019-03-28 22:31:33,969 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.41/7.30 [2019-03-28 22:31:33,969 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.41/7.30 [2019-03-28 22:31:33,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:33,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:33,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:33,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:34,055 INFO L300 LassoAnalysis]: Preprocessing complete. 15.41/7.30 [2019-03-28 22:31:34,055 INFO L412 LassoAnalysis]: Checking for nontermination... 15.41/7.30 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.30 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.30 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:34,062 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.41/7.30 [2019-03-28 22:31:34,063 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.30 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/7.30 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.41/7.30 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:34,096 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.41/7.30 [2019-03-28 22:31:34,096 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.41/7.30 [2019-03-28 22:31:34,134 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.41/7.30 [2019-03-28 22:31:34,136 INFO L216 LassoAnalysis]: Preferences: 15.41/7.30 [2019-03-28 22:31:34,136 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.41/7.30 [2019-03-28 22:31:34,136 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.41/7.30 [2019-03-28 22:31:34,137 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.41/7.30 [2019-03-28 22:31:34,137 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.41/7.30 [2019-03-28 22:31:34,137 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.41/7.30 [2019-03-28 22:31:34,137 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.41/7.30 [2019-03-28 22:31:34,137 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.41/7.30 [2019-03-28 22:31:34,137 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.41/7.30 [2019-03-28 22:31:34,137 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.41/7.30 [2019-03-28 22:31:34,137 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.41/7.30 [2019-03-28 22:31:34,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:34,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:34,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:34,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.41/7.30 [2019-03-28 22:31:34,235 INFO L300 LassoAnalysis]: Preprocessing complete. 15.41/7.30 [2019-03-28 22:31:34,235 INFO L497 LassoAnalysis]: Using template 'affine'. 15.41/7.30 [2019-03-28 22:31:34,236 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.41/7.30 Termination analysis: LINEAR_WITH_GUESSES 15.41/7.30 Number of strict supporting invariants: 0 15.41/7.30 Number of non-strict supporting invariants: 1 15.41/7.30 Consider only non-deceasing supporting invariants: true 15.41/7.30 Simplify termination arguments: true 15.41/7.30 Simplify supporting invariants: trueOverapproximate stem: false 15.41/7.30 [2019-03-28 22:31:34,236 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.41/7.30 [2019-03-28 22:31:34,237 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.41/7.30 [2019-03-28 22:31:34,237 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.41/7.30 [2019-03-28 22:31:34,237 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.41/7.30 [2019-03-28 22:31:34,237 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.41/7.30 [2019-03-28 22:31:34,238 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.41/7.30 [2019-03-28 22:31:34,238 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.41/7.30 [2019-03-28 22:31:34,244 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.41/7.30 [2019-03-28 22:31:34,249 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.41/7.30 [2019-03-28 22:31:34,249 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 15.41/7.30 [2019-03-28 22:31:34,249 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.41/7.30 [2019-03-28 22:31:34,249 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.41/7.30 [2019-03-28 22:31:34,250 INFO L518 LassoAnalysis]: Proved termination. 15.41/7.30 [2019-03-28 22:31:34,250 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.41/7.30 Ranking function f(ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~z~0 15.41/7.30 Supporting invariants [] 15.41/7.30 [2019-03-28 22:31:34,250 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.41/7.30 [2019-03-28 22:31:34,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/7.30 [2019-03-28 22:31:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/7.30 [2019-03-28 22:31:34,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core 15.41/7.30 [2019-03-28 22:31:34,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.41/7.30 [2019-03-28 22:31:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/7.30 [2019-03-28 22:31:34,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core 15.41/7.30 [2019-03-28 22:31:34,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.41/7.30 [2019-03-28 22:31:34,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.41/7.30 [2019-03-28 22:31:34,287 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.41/7.30 [2019-03-28 22:31:34,287 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 15.41/7.30 [2019-03-28 22:31:34,287 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3 Second operand 3 states. 15.41/7.30 [2019-03-28 22:31:34,298 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 11 states and 17 transitions. Complement of second has 4 states. 15.41/7.30 [2019-03-28 22:31:34,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.41/7.30 [2019-03-28 22:31:34,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.41/7.30 [2019-03-28 22:31:34,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 15.41/7.30 [2019-03-28 22:31:34,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 2 letters. 15.41/7.30 [2019-03-28 22:31:34,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.41/7.30 [2019-03-28 22:31:34,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 15.41/7.30 [2019-03-28 22:31:34,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.41/7.30 [2019-03-28 22:31:34,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 4 letters. 15.41/7.30 [2019-03-28 22:31:34,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.41/7.30 [2019-03-28 22:31:34,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 17 transitions. 15.41/7.30 [2019-03-28 22:31:34,302 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.41/7.30 [2019-03-28 22:31:34,302 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. 15.41/7.30 [2019-03-28 22:31:34,302 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.41/7.30 [2019-03-28 22:31:34,302 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.41/7.30 [2019-03-28 22:31:34,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.41/7.30 [2019-03-28 22:31:34,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.41/7.30 [2019-03-28 22:31:34,303 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.41/7.30 [2019-03-28 22:31:34,303 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.41/7.30 [2019-03-28 22:31:34,303 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.41/7.30 [2019-03-28 22:31:34,303 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.41/7.30 [2019-03-28 22:31:34,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.41/7.30 [2019-03-28 22:31:34,303 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.41/7.30 [2019-03-28 22:31:34,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.41/7.30 [2019-03-28 22:31:34,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:31:34 BasicIcfg 15.41/7.30 [2019-03-28 22:31:34,311 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.41/7.30 [2019-03-28 22:31:34,311 INFO L168 Benchmark]: Toolchain (without parser) took 2931.94 ms. Allocated memory was 649.6 MB in the beginning and 690.5 MB in the end (delta: 40.9 MB). Free memory was 559.5 MB in the beginning and 410.0 MB in the end (delta: 149.4 MB). Peak memory consumption was 190.3 MB. Max. memory is 50.3 GB. 15.41/7.30 [2019-03-28 22:31:34,314 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. 15.41/7.30 [2019-03-28 22:31:34,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.89 ms. Allocated memory is still 649.6 MB. Free memory was 559.5 MB in the beginning and 550.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.41/7.30 [2019-03-28 22:31:34,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.65 ms. Allocated memory was 649.6 MB in the beginning and 690.5 MB in the end (delta: 40.9 MB). Free memory was 550.0 MB in the beginning and 654.9 MB in the end (delta: -105.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 50.3 GB. 15.41/7.30 [2019-03-28 22:31:34,315 INFO L168 Benchmark]: Boogie Preprocessor took 19.55 ms. Allocated memory is still 690.5 MB. Free memory is still 654.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.41/7.30 [2019-03-28 22:31:34,316 INFO L168 Benchmark]: RCFGBuilder took 192.70 ms. Allocated memory is still 690.5 MB. Free memory was 654.9 MB in the beginning and 640.6 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. 15.41/7.30 [2019-03-28 22:31:34,316 INFO L168 Benchmark]: BlockEncodingV2 took 69.36 ms. Allocated memory is still 690.5 MB. Free memory was 640.6 MB in the beginning and 636.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. 15.41/7.30 [2019-03-28 22:31:34,317 INFO L168 Benchmark]: TraceAbstraction took 154.77 ms. Allocated memory is still 690.5 MB. Free memory was 635.2 MB in the beginning and 627.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 15.41/7.30 [2019-03-28 22:31:34,317 INFO L168 Benchmark]: BuchiAutomizer took 2171.60 ms. Allocated memory is still 690.5 MB. Free memory was 627.1 MB in the beginning and 410.0 MB in the end (delta: 217.1 MB). Peak memory consumption was 217.1 MB. Max. memory is 50.3 GB. 15.41/7.30 [2019-03-28 22:31:34,322 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.41/7.30 --- Results --- 15.41/7.30 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.41/7.30 - StatisticsResult: Initial Icfg 15.41/7.30 7 locations, 9 edges 15.41/7.30 - StatisticsResult: Encoded RCFG 15.41/7.30 3 locations, 4 edges 15.41/7.30 * Results from de.uni_freiburg.informatik.ultimate.core: 15.41/7.30 - StatisticsResult: Toolchain Benchmarks 15.41/7.30 Benchmark results are: 15.41/7.30 * 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. 15.41/7.30 * CACSL2BoogieTranslator took 226.89 ms. Allocated memory is still 649.6 MB. Free memory was 559.5 MB in the beginning and 550.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.41/7.30 * Boogie Procedure Inliner took 91.65 ms. Allocated memory was 649.6 MB in the beginning and 690.5 MB in the end (delta: 40.9 MB). Free memory was 550.0 MB in the beginning and 654.9 MB in the end (delta: -105.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 50.3 GB. 15.41/7.30 * Boogie Preprocessor took 19.55 ms. Allocated memory is still 690.5 MB. Free memory is still 654.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.41/7.30 * RCFGBuilder took 192.70 ms. Allocated memory is still 690.5 MB. Free memory was 654.9 MB in the beginning and 640.6 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. 15.41/7.30 * BlockEncodingV2 took 69.36 ms. Allocated memory is still 690.5 MB. Free memory was 640.6 MB in the beginning and 636.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. 15.41/7.30 * TraceAbstraction took 154.77 ms. Allocated memory is still 690.5 MB. Free memory was 635.2 MB in the beginning and 627.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 15.41/7.30 * BuchiAutomizer took 2171.60 ms. Allocated memory is still 690.5 MB. Free memory was 627.1 MB in the beginning and 410.0 MB in the end (delta: 217.1 MB). Peak memory consumption was 217.1 MB. Max. memory is 50.3 GB. 15.41/7.30 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.41/7.30 - AllSpecificationsHoldResult: All specifications hold 15.41/7.30 We were not able to verify any specifiation because the program does not contain any specification. 15.41/7.30 - InvariantResult [Line: 23]: Loop Invariant 15.41/7.30 Derived loop invariant: 1 15.41/7.30 - StatisticsResult: Ultimate Automizer benchmark data 15.41/7.30 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.41/7.31 - StatisticsResult: Constructed decomposition of program 15.41/7.31 Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function -2 * y + 2 * x + 1 and consists of 4 locations. One nondeterministic module has affine ranking function -2 * y + 2 * x + 1 and consists of 4 locations. One nondeterministic module has affine ranking function z and consists of 3 locations. 15.41/7.31 - StatisticsResult: Timing statistics 15.41/7.31 BüchiAutomizer plugin needed 2.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. 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 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 18 SDslu, 1 SDs, 0 SdLazy, 32 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax161 hnf100 lsp39 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq162 hnf93 smp100 dnf100 smp100 tf111 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s 15.41/7.31 - TerminationAnalysisResult: Termination proven 15.41/7.31 Buchi Automizer proved that your program is terminating 15.41/7.31 RESULT: Ultimate proved your program to be correct! 15.41/7.31 !SESSION 2019-03-28 22:31:28.098 ----------------------------------------------- 15.41/7.31 eclipse.buildId=unknown 15.41/7.31 java.version=1.8.0_181 15.41/7.31 java.vendor=Oracle Corporation 15.41/7.31 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.41/7.31 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.41/7.31 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 15.41/7.31 15.41/7.31 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:31:34.555 15.41/7.31 !MESSAGE The workspace will exit with unsaved changes in this session. 15.41/7.31 Received shutdown request... 15.41/7.31 Ultimate: 15.41/7.31 GTK+ Version Check 15.41/7.31 EOF