16.95/7.89 YES 16.95/7.89 16.95/7.89 Ultimate: Cannot open display: 16.95/7.89 This is Ultimate 0.1.24-8dc7c08-m 16.95/7.89 [2019-03-28 12:03:01,438 INFO L170 SettingsManager]: Resetting all preferences to default values... 16.95/7.89 [2019-03-28 12:03:01,440 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 16.95/7.89 [2019-03-28 12:03:01,451 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 16.95/7.89 [2019-03-28 12:03:01,452 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 16.95/7.89 [2019-03-28 12:03:01,453 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 16.95/7.89 [2019-03-28 12:03:01,454 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 16.95/7.89 [2019-03-28 12:03:01,455 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 16.95/7.89 [2019-03-28 12:03:01,457 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 16.95/7.89 [2019-03-28 12:03:01,458 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 16.95/7.89 [2019-03-28 12:03:01,459 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 16.95/7.89 [2019-03-28 12:03:01,459 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 16.95/7.89 [2019-03-28 12:03:01,460 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 16.95/7.89 [2019-03-28 12:03:01,461 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 16.95/7.89 [2019-03-28 12:03:01,462 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 16.95/7.89 [2019-03-28 12:03:01,462 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 16.95/7.89 [2019-03-28 12:03:01,463 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 16.95/7.89 [2019-03-28 12:03:01,465 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 16.95/7.89 [2019-03-28 12:03:01,467 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 16.95/7.89 [2019-03-28 12:03:01,468 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 16.95/7.89 [2019-03-28 12:03:01,469 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 16.95/7.89 [2019-03-28 12:03:01,470 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 16.95/7.89 [2019-03-28 12:03:01,472 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 16.95/7.89 [2019-03-28 12:03:01,473 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 16.95/7.89 [2019-03-28 12:03:01,473 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 16.95/7.89 [2019-03-28 12:03:01,474 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 16.95/7.89 [2019-03-28 12:03:01,474 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 16.95/7.89 [2019-03-28 12:03:01,475 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 16.95/7.89 [2019-03-28 12:03:01,475 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 16.95/7.89 [2019-03-28 12:03:01,476 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 16.95/7.89 [2019-03-28 12:03:01,477 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 16.95/7.89 [2019-03-28 12:03:01,477 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 16.95/7.89 [2019-03-28 12:03:01,478 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 16.95/7.89 [2019-03-28 12:03:01,478 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 16.95/7.89 [2019-03-28 12:03:01,479 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 16.95/7.89 [2019-03-28 12:03:01,479 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 16.95/7.89 [2019-03-28 12:03:01,479 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 16.95/7.89 [2019-03-28 12:03:01,480 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 16.95/7.89 [2019-03-28 12:03:01,481 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 16.95/7.89 [2019-03-28 12:03:01,481 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 16.95/7.89 [2019-03-28 12:03:01,496 INFO L110 SettingsManager]: Loading preferences was successful 16.95/7.89 [2019-03-28 12:03:01,496 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 16.95/7.89 [2019-03-28 12:03:01,497 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 16.95/7.89 [2019-03-28 12:03:01,497 INFO L133 SettingsManager]: * Rewrite not-equals=true 16.95/7.89 [2019-03-28 12:03:01,497 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 16.95/7.89 [2019-03-28 12:03:01,498 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 16.95/7.89 [2019-03-28 12:03:01,498 INFO L133 SettingsManager]: * Use SBE=true 16.95/7.89 [2019-03-28 12:03:01,498 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 16.95/7.89 [2019-03-28 12:03:01,498 INFO L133 SettingsManager]: * Use old map elimination=false 16.95/7.89 [2019-03-28 12:03:01,498 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 16.95/7.89 [2019-03-28 12:03:01,498 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 16.95/7.89 [2019-03-28 12:03:01,499 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 16.95/7.89 [2019-03-28 12:03:01,499 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 16.95/7.89 [2019-03-28 12:03:01,499 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 16.95/7.89 [2019-03-28 12:03:01,499 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:01,499 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 16.95/7.89 [2019-03-28 12:03:01,499 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 16.95/7.89 [2019-03-28 12:03:01,500 INFO L133 SettingsManager]: * Check division by zero=IGNORE 16.95/7.89 [2019-03-28 12:03:01,500 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 16.95/7.89 [2019-03-28 12:03:01,500 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 16.95/7.89 [2019-03-28 12:03:01,500 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 16.95/7.89 [2019-03-28 12:03:01,500 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 16.95/7.89 [2019-03-28 12:03:01,500 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 16.95/7.89 [2019-03-28 12:03:01,501 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 16.95/7.89 [2019-03-28 12:03:01,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.95/7.89 [2019-03-28 12:03:01,501 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 16.95/7.89 [2019-03-28 12:03:01,501 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 16.95/7.89 [2019-03-28 12:03:01,501 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 16.95/7.89 [2019-03-28 12:03:01,502 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 16.95/7.89 [2019-03-28 12:03:01,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 16.95/7.89 [2019-03-28 12:03:01,539 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 16.95/7.89 [2019-03-28 12:03:01,543 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 16.95/7.89 [2019-03-28 12:03:01,544 INFO L271 PluginConnector]: Initializing CDTParser... 16.95/7.89 [2019-03-28 12:03:01,544 INFO L276 PluginConnector]: CDTParser initialized 16.95/7.89 [2019-03-28 12:03:01,545 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 16.95/7.89 [2019-03-28 12:03:01,612 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/95b9947aa1e64e1baad6a5fed10509c9/FLAG447130ee2 16.95/7.89 [2019-03-28 12:03:01,944 INFO L307 CDTParser]: Found 1 translation units. 16.95/7.89 [2019-03-28 12:03:01,945 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 16.95/7.89 [2019-03-28 12:03:01,952 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/95b9947aa1e64e1baad6a5fed10509c9/FLAG447130ee2 16.95/7.89 [2019-03-28 12:03:02,356 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/95b9947aa1e64e1baad6a5fed10509c9 16.95/7.89 [2019-03-28 12:03:02,367 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 16.95/7.89 [2019-03-28 12:03:02,369 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 16.95/7.89 [2019-03-28 12:03:02,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 16.95/7.89 [2019-03-28 12:03:02,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 16.95/7.89 [2019-03-28 12:03:02,374 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 16.95/7.89 [2019-03-28 12:03:02,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:03:02" (1/1) ... 16.95/7.89 [2019-03-28 12:03:02,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f48c908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:02, skipping insertion in model container 16.95/7.89 [2019-03-28 12:03:02,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:03:02" (1/1) ... 16.95/7.89 [2019-03-28 12:03:02,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 16.95/7.89 [2019-03-28 12:03:02,402 INFO L176 MainTranslator]: Built tables and reachable declarations 16.95/7.89 [2019-03-28 12:03:02,560 INFO L206 PostProcessor]: Analyzing one entry point: main 16.95/7.89 [2019-03-28 12:03:02,565 INFO L191 MainTranslator]: Completed pre-run 16.95/7.89 [2019-03-28 12:03:02,581 INFO L206 PostProcessor]: Analyzing one entry point: main 16.95/7.89 [2019-03-28 12:03:02,596 INFO L195 MainTranslator]: Completed translation 16.95/7.89 [2019-03-28 12:03:02,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:02 WrapperNode 16.95/7.89 [2019-03-28 12:03:02,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 16.95/7.89 [2019-03-28 12:03:02,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 16.95/7.89 [2019-03-28 12:03:02,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 16.95/7.89 [2019-03-28 12:03:02,598 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 16.95/7.89 [2019-03-28 12:03:02,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:02" (1/1) ... 16.95/7.89 [2019-03-28 12:03:02,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:02" (1/1) ... 16.95/7.89 [2019-03-28 12:03:02,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 16.95/7.89 [2019-03-28 12:03:02,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 16.95/7.89 [2019-03-28 12:03:02,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 16.95/7.89 [2019-03-28 12:03:02,700 INFO L276 PluginConnector]: Boogie Preprocessor initialized 16.95/7.89 [2019-03-28 12:03:02,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:02" (1/1) ... 16.95/7.89 [2019-03-28 12:03:02,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:02" (1/1) ... 16.95/7.89 [2019-03-28 12:03:02,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:02" (1/1) ... 16.95/7.89 [2019-03-28 12:03:02,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:02" (1/1) ... 16.95/7.89 [2019-03-28 12:03:02,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:02" (1/1) ... 16.95/7.89 [2019-03-28 12:03:02,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:02" (1/1) ... 16.95/7.89 [2019-03-28 12:03:02,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:02" (1/1) ... 16.95/7.89 [2019-03-28 12:03:02,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 16.95/7.89 [2019-03-28 12:03:02,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 16.95/7.89 [2019-03-28 12:03:02,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... 16.95/7.89 [2019-03-28 12:03:02,721 INFO L276 PluginConnector]: RCFGBuilder initialized 16.95/7.89 [2019-03-28 12:03:02,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:02" (1/1) ... 16.95/7.89 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.95/7.89 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 16.95/7.89 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.95/7.89 [2019-03-28 12:03:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 16.95/7.89 [2019-03-28 12:03:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 16.95/7.89 [2019-03-28 12:03:02,912 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 16.95/7.89 [2019-03-28 12:03:02,913 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 16.95/7.89 [2019-03-28 12:03:02,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:03:02 BoogieIcfgContainer 16.95/7.89 [2019-03-28 12:03:02,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 16.95/7.89 [2019-03-28 12:03:02,915 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 16.95/7.89 [2019-03-28 12:03:02,915 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 16.95/7.89 [2019-03-28 12:03:02,917 INFO L276 PluginConnector]: BlockEncodingV2 initialized 16.95/7.89 [2019-03-28 12:03:02,918 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:03:02" (1/1) ... 16.95/7.89 [2019-03-28 12:03:02,934 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 16.95/7.89 [2019-03-28 12:03:02,936 INFO L258 BlockEncoder]: Using Remove infeasible edges 16.95/7.89 [2019-03-28 12:03:02,937 INFO L263 BlockEncoder]: Using Maximize final states 16.95/7.89 [2019-03-28 12:03:02,937 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 16.95/7.89 [2019-03-28 12:03:02,938 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 16.95/7.89 [2019-03-28 12:03:02,940 INFO L296 BlockEncoder]: Using Remove sink states 16.95/7.89 [2019-03-28 12:03:02,941 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 16.95/7.89 [2019-03-28 12:03:02,941 INFO L179 BlockEncoder]: Using Rewrite not-equals 16.95/7.89 [2019-03-28 12:03:02,957 INFO L185 BlockEncoder]: Using Use SBE 16.95/7.89 [2019-03-28 12:03:02,973 INFO L200 BlockEncoder]: SBE split 2 edges 16.95/7.89 [2019-03-28 12:03:02,978 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 16.95/7.89 [2019-03-28 12:03:02,979 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.95/7.89 [2019-03-28 12:03:02,990 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 16.95/7.89 [2019-03-28 12:03:02,992 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 16.95/7.89 [2019-03-28 12:03:02,993 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 16.95/7.89 [2019-03-28 12:03:02,994 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.95/7.89 [2019-03-28 12:03:02,994 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 16.95/7.89 [2019-03-28 12:03:02,994 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 16.95/7.89 [2019-03-28 12:03:02,994 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 16.95/7.89 [2019-03-28 12:03:02,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:03:02 BasicIcfg 16.95/7.89 [2019-03-28 12:03:02,995 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 16.95/7.89 [2019-03-28 12:03:02,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 16.95/7.89 [2019-03-28 12:03:02,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... 16.95/7.89 [2019-03-28 12:03:02,999 INFO L276 PluginConnector]: TraceAbstraction initialized 16.95/7.89 [2019-03-28 12:03:03,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:03:02" (1/4) ... 16.95/7.89 [2019-03-28 12:03:03,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595d66f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:03:03, skipping insertion in model container 16.95/7.89 [2019-03-28 12:03:03,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:02" (2/4) ... 16.95/7.89 [2019-03-28 12:03:03,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595d66f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:03:03, skipping insertion in model container 16.95/7.89 [2019-03-28 12:03:03,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:03:02" (3/4) ... 16.95/7.89 [2019-03-28 12:03:03,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595d66f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:03:03, skipping insertion in model container 16.95/7.89 [2019-03-28 12:03:03,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:03:02" (4/4) ... 16.95/7.89 [2019-03-28 12:03:03,003 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.95/7.89 [2019-03-28 12:03:03,013 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 16.95/7.89 [2019-03-28 12:03:03,021 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 16.95/7.89 [2019-03-28 12:03:03,039 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 16.95/7.89 [2019-03-28 12:03:03,067 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.95/7.89 [2019-03-28 12:03:03,068 INFO L382 AbstractCegarLoop]: Interprodecural is true 16.95/7.89 [2019-03-28 12:03:03,068 INFO L383 AbstractCegarLoop]: Hoare is true 16.95/7.89 [2019-03-28 12:03:03,068 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 16.95/7.89 [2019-03-28 12:03:03,068 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 16.95/7.89 [2019-03-28 12:03:03,069 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.95/7.89 [2019-03-28 12:03:03,069 INFO L387 AbstractCegarLoop]: Difference is false 16.95/7.89 [2019-03-28 12:03:03,069 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 16.95/7.89 [2019-03-28 12:03:03,069 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 16.95/7.89 [2019-03-28 12:03:03,083 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 16.95/7.89 [2019-03-28 12:03:03,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 16.95/7.89 [2019-03-28 12:03:03,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 16.95/7.89 [2019-03-28 12:03:03,095 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 19) no Hoare annotation was computed. 16.95/7.89 [2019-03-28 12:03:03,096 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 16.95/7.89 [2019-03-28 12:03:03,096 INFO L448 ceAbstractionStarter]: For program point L20-1(lines 11 25) no Hoare annotation was computed. 16.95/7.89 [2019-03-28 12:03:03,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:03:03 BasicIcfg 16.95/7.89 [2019-03-28 12:03:03,099 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 16.95/7.89 [2019-03-28 12:03:03,100 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 16.95/7.89 [2019-03-28 12:03:03,100 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 16.95/7.89 [2019-03-28 12:03:03,103 INFO L276 PluginConnector]: BuchiAutomizer initialized 16.95/7.89 [2019-03-28 12:03:03,104 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.95/7.89 [2019-03-28 12:03:03,104 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:03:02" (1/5) ... 16.95/7.89 [2019-03-28 12:03:03,105 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e319c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:03:03, skipping insertion in model container 16.95/7.89 [2019-03-28 12:03:03,105 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.95/7.89 [2019-03-28 12:03:03,105 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:03:02" (2/5) ... 16.95/7.89 [2019-03-28 12:03:03,106 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e319c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:03:03, skipping insertion in model container 16.95/7.89 [2019-03-28 12:03:03,106 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.95/7.89 [2019-03-28 12:03:03,106 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:03:02" (3/5) ... 16.95/7.89 [2019-03-28 12:03:03,106 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e319c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:03:03, skipping insertion in model container 16.95/7.89 [2019-03-28 12:03:03,107 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.95/7.89 [2019-03-28 12:03:03,107 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:03:02" (4/5) ... 16.95/7.89 [2019-03-28 12:03:03,107 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e319c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:03:03, skipping insertion in model container 16.95/7.89 [2019-03-28 12:03:03,107 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.95/7.89 [2019-03-28 12:03:03,107 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:03:03" (5/5) ... 16.95/7.89 [2019-03-28 12:03:03,109 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.95/7.89 [2019-03-28 12:03:03,136 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.95/7.89 [2019-03-28 12:03:03,137 INFO L374 BuchiCegarLoop]: Interprodecural is true 16.95/7.89 [2019-03-28 12:03:03,137 INFO L375 BuchiCegarLoop]: Hoare is true 16.95/7.89 [2019-03-28 12:03:03,137 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 16.95/7.89 [2019-03-28 12:03:03,137 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 16.95/7.89 [2019-03-28 12:03:03,138 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.95/7.89 [2019-03-28 12:03:03,138 INFO L379 BuchiCegarLoop]: Difference is false 16.95/7.89 [2019-03-28 12:03:03,138 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 16.95/7.89 [2019-03-28 12:03:03,138 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 16.95/7.89 [2019-03-28 12:03:03,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 16.95/7.89 [2019-03-28 12:03:03,158 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 16.95/7.89 [2019-03-28 12:03:03,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.95/7.89 [2019-03-28 12:03:03,159 INFO L119 BuchiIsEmpty]: Starting construction of run 16.95/7.89 [2019-03-28 12:03:03,166 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.95/7.89 [2019-03-28 12:03:03,166 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 16.95/7.89 [2019-03-28 12:03:03,166 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 16.95/7.89 [2019-03-28 12:03:03,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 16.95/7.89 [2019-03-28 12:03:03,167 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 16.95/7.89 [2019-03-28 12:03:03,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.95/7.89 [2019-03-28 12:03:03,167 INFO L119 BuchiIsEmpty]: Starting construction of run 16.95/7.89 [2019-03-28 12:03:03,168 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.95/7.89 [2019-03-28 12:03:03,168 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 16.95/7.89 [2019-03-28 12:03:03,173 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [25] ULTIMATE.startENTRY-->L15: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 3#L15true [24] L15-->L20-1: Formula: (and (= v_ULTIMATE.start_main_~x~0_5 (- 1)) (= 0 |v_ULTIMATE.start_main_#t~nondet2_5|)) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 5#L20-1true 16.95/7.89 [2019-03-28 12:03:03,173 INFO L796 eck$LassoCheckResult]: Loop: 5#L20-1true [30] L20-1-->L20-1: Formula: (and (< v_ULTIMATE.start_main_~z~0_6 100) (= v_ULTIMATE.start_main_~z~0_5 (+ v_ULTIMATE.start_main_~z~0_6 (* (- 1) v_ULTIMATE.start_main_~x~0_6))) (< v_ULTIMATE.start_main_~y~0_6 100) (= v_ULTIMATE.start_main_~y~0_5 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_6))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 5#L20-1true 16.95/7.89 [2019-03-28 12:03:03,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.95/7.89 [2019-03-28 12:03:03,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1760, now seen corresponding path program 1 times 16.95/7.89 [2019-03-28 12:03:03,182 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.95/7.89 [2019-03-28 12:03:03,182 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.95/7.89 [2019-03-28 12:03:03,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:03,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:03,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:03,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.95/7.89 [2019-03-28 12:03:03,288 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 1 times 16.95/7.89 [2019-03-28 12:03:03,288 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.95/7.89 [2019-03-28 12:03:03,288 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.95/7.89 [2019-03-28 12:03:03,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:03,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:03,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:03,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.95/7.89 [2019-03-28 12:03:03,302 INFO L82 PathProgramCache]: Analyzing trace with hash 54590, now seen corresponding path program 1 times 16.95/7.89 [2019-03-28 12:03:03,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.95/7.89 [2019-03-28 12:03:03,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.95/7.89 [2019-03-28 12:03:03,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:03,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:03,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:03,404 INFO L216 LassoAnalysis]: Preferences: 16.95/7.89 [2019-03-28 12:03:03,405 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.95/7.89 [2019-03-28 12:03:03,405 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.95/7.89 [2019-03-28 12:03:03,406 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.95/7.89 [2019-03-28 12:03:03,406 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.95/7.89 [2019-03-28 12:03:03,406 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:03,406 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.95/7.89 [2019-03-28 12:03:03,406 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.95/7.89 [2019-03-28 12:03:03,406 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 16.95/7.89 [2019-03-28 12:03:03,407 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.95/7.89 [2019-03-28 12:03:03,407 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.95/7.89 [2019-03-28 12:03:03,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:03,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:03,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:03,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:03,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:03,573 INFO L300 LassoAnalysis]: Preprocessing complete. 16.95/7.89 [2019-03-28 12:03:03,574 INFO L412 LassoAnalysis]: Checking for nontermination... 16.95/7.89 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.95/7.89 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.95/7.89 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:03,579 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.95/7.89 [2019-03-28 12:03:03,580 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.95/7.89 [2019-03-28 12:03:03,588 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.95/7.89 [2019-03-28 12:03:03,588 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.95/7.89 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.95/7.89 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.95/7.89 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:03,617 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.95/7.89 [2019-03-28 12:03:03,617 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.95/7.89 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.95/7.89 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.95/7.89 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:03,650 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.95/7.89 [2019-03-28 12:03:03,650 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.95/7.89 [2019-03-28 12:03:04,025 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.95/7.89 [2019-03-28 12:03:04,029 INFO L216 LassoAnalysis]: Preferences: 16.95/7.89 [2019-03-28 12:03:04,029 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.95/7.89 [2019-03-28 12:03:04,029 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.95/7.89 [2019-03-28 12:03:04,029 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.95/7.89 [2019-03-28 12:03:04,029 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.95/7.89 [2019-03-28 12:03:04,029 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:04,030 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.95/7.89 [2019-03-28 12:03:04,030 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.95/7.89 [2019-03-28 12:03:04,030 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 16.95/7.89 [2019-03-28 12:03:04,030 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.95/7.89 [2019-03-28 12:03:04,030 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.95/7.89 [2019-03-28 12:03:04,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:04,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:04,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:04,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:04,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:04,124 INFO L300 LassoAnalysis]: Preprocessing complete. 16.95/7.89 [2019-03-28 12:03:04,130 INFO L497 LassoAnalysis]: Using template 'affine'. 16.95/7.89 [2019-03-28 12:03:04,132 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.95/7.89 Termination analysis: LINEAR_WITH_GUESSES 16.95/7.89 Number of strict supporting invariants: 0 16.95/7.89 Number of non-strict supporting invariants: 1 16.95/7.89 Consider only non-deceasing supporting invariants: true 16.95/7.89 Simplify termination arguments: true 16.95/7.89 Simplify supporting invariants: trueOverapproximate stem: false 16.95/7.89 [2019-03-28 12:03:04,133 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.95/7.89 [2019-03-28 12:03:04,134 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.95/7.89 [2019-03-28 12:03:04,134 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.95/7.89 [2019-03-28 12:03:04,134 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.95/7.89 [2019-03-28 12:03:04,141 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.95/7.89 [2019-03-28 12:03:04,141 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.95/7.89 [2019-03-28 12:03:04,180 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.95/7.89 [2019-03-28 12:03:04,197 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.95/7.89 [2019-03-28 12:03:04,197 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. 16.95/7.89 [2019-03-28 12:03:04,200 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.95/7.89 [2019-03-28 12:03:04,203 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 16.95/7.89 [2019-03-28 12:03:04,204 INFO L518 LassoAnalysis]: Proved termination. 16.95/7.89 [2019-03-28 12:03:04,206 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.95/7.89 Ranking function f(ULTIMATE.start_main_~z~0) = -2*ULTIMATE.start_main_~z~0 + 199 16.95/7.89 Supporting invariants [-1*ULTIMATE.start_main_~x~0 - 1 >= 0] 16.95/7.89 [2019-03-28 12:03:04,210 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 16.95/7.89 [2019-03-28 12:03:04,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.95/7.89 [2019-03-28 12:03:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.95/7.89 [2019-03-28 12:03:04,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 3 conjunts are in the unsatisfiable core 16.95/7.89 [2019-03-28 12:03:04,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.95/7.89 [2019-03-28 12:03:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.95/7.89 [2019-03-28 12:03:04,293 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core 16.95/7.89 [2019-03-28 12:03:04,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.95/7.89 [2019-03-28 12:03:04,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.95/7.89 [2019-03-28 12:03:04,317 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.95/7.89 [2019-03-28 12:03:04,322 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 16.95/7.89 [2019-03-28 12:03:04,323 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 2 states. 16.95/7.89 [2019-03-28 12:03:04,369 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 2 states. Result 5 states and 7 transitions. Complement of second has 2 states. 16.95/7.89 [2019-03-28 12:03:04,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 16.95/7.89 [2019-03-28 12:03:04,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 16.95/7.89 [2019-03-28 12:03:04,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. 16.95/7.89 [2019-03-28 12:03:04,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. 16.95/7.89 [2019-03-28 12:03:04,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.95/7.89 [2019-03-28 12:03:04,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. 16.95/7.89 [2019-03-28 12:03:04,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.95/7.89 [2019-03-28 12:03:04,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. 16.95/7.89 [2019-03-28 12:03:04,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.95/7.89 [2019-03-28 12:03:04,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 7 transitions. 16.95/7.89 [2019-03-28 12:03:04,383 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 16.95/7.89 [2019-03-28 12:03:04,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 3 states and 4 transitions. 16.95/7.89 [2019-03-28 12:03:04,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 16.95/7.89 [2019-03-28 12:03:04,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 16.95/7.89 [2019-03-28 12:03:04,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 4 transitions. 16.95/7.89 [2019-03-28 12:03:04,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.95/7.89 [2019-03-28 12:03:04,388 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. 16.95/7.89 [2019-03-28 12:03:04,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 4 transitions. 16.95/7.89 [2019-03-28 12:03:04,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. 16.95/7.89 [2019-03-28 12:03:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.95/7.89 [2019-03-28 12:03:04,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. 16.95/7.89 [2019-03-28 12:03:04,418 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. 16.95/7.89 [2019-03-28 12:03:04,418 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. 16.95/7.89 [2019-03-28 12:03:04,418 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 16.95/7.89 [2019-03-28 12:03:04,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 4 transitions. 16.95/7.89 [2019-03-28 12:03:04,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 16.95/7.89 [2019-03-28 12:03:04,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.95/7.89 [2019-03-28 12:03:04,419 INFO L119 BuchiIsEmpty]: Starting construction of run 16.95/7.89 [2019-03-28 12:03:04,420 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.95/7.89 [2019-03-28 12:03:04,420 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 16.95/7.89 [2019-03-28 12:03:04,420 INFO L794 eck$LassoCheckResult]: Stem: 48#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L15: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 46#L15 [35] L15-->L20-1: Formula: (and (< 0 |v_ULTIMATE.start_main_#t~nondet2_3|) (= v_ULTIMATE.start_main_~x~0_4 1)) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 47#L20-1 16.95/7.89 [2019-03-28 12:03:04,420 INFO L796 eck$LassoCheckResult]: Loop: 47#L20-1 [30] L20-1-->L20-1: Formula: (and (< v_ULTIMATE.start_main_~z~0_6 100) (= v_ULTIMATE.start_main_~z~0_5 (+ v_ULTIMATE.start_main_~z~0_6 (* (- 1) v_ULTIMATE.start_main_~x~0_6))) (< v_ULTIMATE.start_main_~y~0_6 100) (= v_ULTIMATE.start_main_~y~0_5 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_6))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 47#L20-1 16.95/7.89 [2019-03-28 12:03:04,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.95/7.89 [2019-03-28 12:03:04,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1771, now seen corresponding path program 1 times 16.95/7.89 [2019-03-28 12:03:04,421 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.95/7.89 [2019-03-28 12:03:04,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.95/7.89 [2019-03-28 12:03:04,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:04,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:04,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:04,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.95/7.89 [2019-03-28 12:03:04,428 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 2 times 16.95/7.89 [2019-03-28 12:03:04,428 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.95/7.89 [2019-03-28 12:03:04,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.95/7.89 [2019-03-28 12:03:04,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:04,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:04,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:04,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.95/7.89 [2019-03-28 12:03:04,435 INFO L82 PathProgramCache]: Analyzing trace with hash 54931, now seen corresponding path program 1 times 16.95/7.89 [2019-03-28 12:03:04,435 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.95/7.89 [2019-03-28 12:03:04,435 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.95/7.89 [2019-03-28 12:03:04,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:04,436 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:04,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:04,473 INFO L216 LassoAnalysis]: Preferences: 16.95/7.89 [2019-03-28 12:03:04,473 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.95/7.89 [2019-03-28 12:03:04,473 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.95/7.89 [2019-03-28 12:03:04,474 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.95/7.89 [2019-03-28 12:03:04,474 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.95/7.89 [2019-03-28 12:03:04,474 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:04,474 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.95/7.89 [2019-03-28 12:03:04,474 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.95/7.89 [2019-03-28 12:03:04,474 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 16.95/7.89 [2019-03-28 12:03:04,474 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.95/7.89 [2019-03-28 12:03:04,475 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.95/7.89 [2019-03-28 12:03:04,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:04,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:04,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:04,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:04,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:04,543 INFO L300 LassoAnalysis]: Preprocessing complete. 16.95/7.89 [2019-03-28 12:03:04,544 INFO L412 LassoAnalysis]: Checking for nontermination... 16.95/7.89 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.95/7.89 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.95/7.89 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:04,547 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.95/7.89 [2019-03-28 12:03:04,547 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.95/7.89 [2019-03-28 12:03:04,551 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.95/7.89 [2019-03-28 12:03:04,551 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.95/7.89 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.95/7.89 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.95/7.89 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:04,579 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.95/7.89 [2019-03-28 12:03:04,579 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.95/7.89 [2019-03-28 12:03:04,583 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.95/7.89 [2019-03-28 12:03:04,583 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.95/7.89 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.95/7.89 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.95/7.89 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:04,611 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.95/7.89 [2019-03-28 12:03:04,611 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.95/7.89 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.95/7.89 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.95/7.89 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:04,652 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.95/7.89 [2019-03-28 12:03:04,652 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.95/7.89 [2019-03-28 12:03:04,910 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.95/7.89 [2019-03-28 12:03:04,913 INFO L216 LassoAnalysis]: Preferences: 16.95/7.89 [2019-03-28 12:03:04,914 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.95/7.89 [2019-03-28 12:03:04,914 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.95/7.89 [2019-03-28 12:03:04,914 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.95/7.89 [2019-03-28 12:03:04,914 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.95/7.89 [2019-03-28 12:03:04,914 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:04,914 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.95/7.89 [2019-03-28 12:03:04,914 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.95/7.89 [2019-03-28 12:03:04,915 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 16.95/7.89 [2019-03-28 12:03:04,915 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.95/7.89 [2019-03-28 12:03:04,915 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.95/7.89 [2019-03-28 12:03:04,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:04,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:04,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:04,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:04,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:05,016 INFO L300 LassoAnalysis]: Preprocessing complete. 16.95/7.89 [2019-03-28 12:03:05,017 INFO L497 LassoAnalysis]: Using template 'affine'. 16.95/7.89 [2019-03-28 12:03:05,017 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.95/7.89 Termination analysis: LINEAR_WITH_GUESSES 16.95/7.89 Number of strict supporting invariants: 0 16.95/7.89 Number of non-strict supporting invariants: 1 16.95/7.89 Consider only non-deceasing supporting invariants: true 16.95/7.89 Simplify termination arguments: true 16.95/7.89 Simplify supporting invariants: trueOverapproximate stem: false 16.95/7.89 [2019-03-28 12:03:05,018 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.95/7.89 [2019-03-28 12:03:05,018 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.95/7.89 [2019-03-28 12:03:05,018 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.95/7.89 [2019-03-28 12:03:05,019 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.95/7.89 [2019-03-28 12:03:05,022 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.95/7.89 [2019-03-28 12:03:05,022 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.95/7.89 [2019-03-28 12:03:05,046 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.95/7.89 [2019-03-28 12:03:05,055 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.95/7.89 [2019-03-28 12:03:05,056 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. 16.95/7.89 [2019-03-28 12:03:05,056 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.95/7.89 [2019-03-28 12:03:05,058 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 16.95/7.89 [2019-03-28 12:03:05,058 INFO L518 LassoAnalysis]: Proved termination. 16.95/7.89 [2019-03-28 12:03:05,058 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.95/7.89 Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 199 16.95/7.89 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 1 >= 0] 16.95/7.89 [2019-03-28 12:03:05,068 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 16.95/7.89 [2019-03-28 12:03:05,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.95/7.89 [2019-03-28 12:03:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.95/7.89 [2019-03-28 12:03:05,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core 16.95/7.89 [2019-03-28 12:03:05,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.95/7.89 [2019-03-28 12:03:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.95/7.89 [2019-03-28 12:03:05,120 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core 16.95/7.89 [2019-03-28 12:03:05,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.95/7.89 [2019-03-28 12:03:05,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.95/7.89 [2019-03-28 12:03:05,131 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.95/7.89 [2019-03-28 12:03:05,132 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 16.95/7.89 [2019-03-28 12:03:05,132 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 4 transitions. cyclomatic complexity: 2 Second operand 2 states. 16.95/7.89 [2019-03-28 12:03:05,162 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 4 transitions. cyclomatic complexity: 2. Second operand 2 states. Result 5 states and 6 transitions. Complement of second has 2 states. 16.95/7.89 [2019-03-28 12:03:05,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 16.95/7.89 [2019-03-28 12:03:05,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 16.95/7.89 [2019-03-28 12:03:05,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. 16.95/7.89 [2019-03-28 12:03:05,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 1 letters. 16.95/7.89 [2019-03-28 12:03:05,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.95/7.89 [2019-03-28 12:03:05,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 1 letters. 16.95/7.89 [2019-03-28 12:03:05,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.95/7.89 [2019-03-28 12:03:05,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 2 letters. 16.95/7.89 [2019-03-28 12:03:05,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.95/7.89 [2019-03-28 12:03:05,166 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 6 transitions. 16.95/7.89 [2019-03-28 12:03:05,167 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 16.95/7.89 [2019-03-28 12:03:05,167 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 3 states and 3 transitions. 16.95/7.89 [2019-03-28 12:03:05,167 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 16.95/7.89 [2019-03-28 12:03:05,167 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 16.95/7.89 [2019-03-28 12:03:05,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. 16.95/7.89 [2019-03-28 12:03:05,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.95/7.89 [2019-03-28 12:03:05,168 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 16.95/7.89 [2019-03-28 12:03:05,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. 16.95/7.89 [2019-03-28 12:03:05,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. 16.95/7.89 [2019-03-28 12:03:05,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.95/7.89 [2019-03-28 12:03:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. 16.95/7.89 [2019-03-28 12:03:05,169 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 16.95/7.89 [2019-03-28 12:03:05,169 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 16.95/7.89 [2019-03-28 12:03:05,169 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 16.95/7.89 [2019-03-28 12:03:05,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. 16.95/7.89 [2019-03-28 12:03:05,170 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 16.95/7.89 [2019-03-28 12:03:05,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.95/7.89 [2019-03-28 12:03:05,170 INFO L119 BuchiIsEmpty]: Starting construction of run 16.95/7.89 [2019-03-28 12:03:05,171 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.95/7.89 [2019-03-28 12:03:05,171 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 16.95/7.89 [2019-03-28 12:03:05,171 INFO L794 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L15: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 89#L15 [34] L15-->L20-1: Formula: (and (= v_ULTIMATE.start_main_~x~0_4 1) (> 0 |v_ULTIMATE.start_main_#t~nondet2_3|)) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 90#L20-1 16.95/7.89 [2019-03-28 12:03:05,171 INFO L796 eck$LassoCheckResult]: Loop: 90#L20-1 [30] L20-1-->L20-1: Formula: (and (< v_ULTIMATE.start_main_~z~0_6 100) (= v_ULTIMATE.start_main_~z~0_5 (+ v_ULTIMATE.start_main_~z~0_6 (* (- 1) v_ULTIMATE.start_main_~x~0_6))) (< v_ULTIMATE.start_main_~y~0_6 100) (= v_ULTIMATE.start_main_~y~0_5 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_6))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 90#L20-1 16.95/7.89 [2019-03-28 12:03:05,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.95/7.89 [2019-03-28 12:03:05,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1770, now seen corresponding path program 1 times 16.95/7.89 [2019-03-28 12:03:05,172 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.95/7.89 [2019-03-28 12:03:05,172 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.95/7.89 [2019-03-28 12:03:05,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:05,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:05,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:05,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.95/7.89 [2019-03-28 12:03:05,178 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 3 times 16.95/7.89 [2019-03-28 12:03:05,178 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.95/7.89 [2019-03-28 12:03:05,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.95/7.89 [2019-03-28 12:03:05,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:05,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:05,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:05,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.95/7.89 [2019-03-28 12:03:05,184 INFO L82 PathProgramCache]: Analyzing trace with hash 54900, now seen corresponding path program 1 times 16.95/7.89 [2019-03-28 12:03:05,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.95/7.89 [2019-03-28 12:03:05,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.95/7.89 [2019-03-28 12:03:05,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:05,186 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:05,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.95/7.89 [2019-03-28 12:03:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.95/7.89 [2019-03-28 12:03:05,224 INFO L216 LassoAnalysis]: Preferences: 16.95/7.89 [2019-03-28 12:03:05,225 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.95/7.89 [2019-03-28 12:03:05,225 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.95/7.89 [2019-03-28 12:03:05,225 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.95/7.89 [2019-03-28 12:03:05,226 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.95/7.89 [2019-03-28 12:03:05,226 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:05,226 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.95/7.89 [2019-03-28 12:03:05,226 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.95/7.89 [2019-03-28 12:03:05,226 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 16.95/7.89 [2019-03-28 12:03:05,226 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.95/7.89 [2019-03-28 12:03:05,226 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.95/7.89 [2019-03-28 12:03:05,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:05,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:05,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:05,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:05,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.89 [2019-03-28 12:03:05,317 INFO L300 LassoAnalysis]: Preprocessing complete. 16.95/7.89 [2019-03-28 12:03:05,317 INFO L412 LassoAnalysis]: Checking for nontermination... 16.95/7.89 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.95/7.89 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.95/7.89 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:05,321 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.95/7.89 [2019-03-28 12:03:05,321 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.95/7.89 [2019-03-28 12:03:05,325 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.95/7.89 [2019-03-28 12:03:05,325 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.95/7.89 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.95/7.89 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.95/7.89 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:05,352 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.95/7.89 [2019-03-28 12:03:05,352 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.95/7.89 [2019-03-28 12:03:05,355 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.95/7.89 [2019-03-28 12:03:05,355 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.95/7.89 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.95/7.89 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.95/7.89 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:05,383 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.95/7.89 [2019-03-28 12:03:05,383 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.95/7.89 [2019-03-28 12:03:05,386 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.95/7.89 [2019-03-28 12:03:05,386 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.95/7.89 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.95/7.89 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.95/7.89 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.89 [2019-03-28 12:03:05,415 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.95/7.89 [2019-03-28 12:03:05,415 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.95/7.89 [2019-03-28 12:03:05,419 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.95/7.89 [2019-03-28 12:03:05,419 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.95/7.89 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.95/7.89 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.95/7.90 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.90 [2019-03-28 12:03:05,446 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.95/7.90 [2019-03-28 12:03:05,446 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.95/7.90 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 16.95/7.90 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.95/7.90 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.95/7.90 [2019-03-28 12:03:05,477 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.95/7.90 [2019-03-28 12:03:05,478 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.95/7.90 [2019-03-28 12:03:05,739 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.95/7.90 [2019-03-28 12:03:05,742 INFO L216 LassoAnalysis]: Preferences: 16.95/7.90 [2019-03-28 12:03:05,742 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.95/7.90 [2019-03-28 12:03:05,742 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.95/7.90 [2019-03-28 12:03:05,743 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.95/7.90 [2019-03-28 12:03:05,743 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.95/7.90 [2019-03-28 12:03:05,743 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.95/7.90 [2019-03-28 12:03:05,743 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.95/7.90 [2019-03-28 12:03:05,743 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.95/7.90 [2019-03-28 12:03:05,743 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 16.95/7.90 [2019-03-28 12:03:05,743 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.95/7.90 [2019-03-28 12:03:05,743 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.95/7.90 [2019-03-28 12:03:05,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.90 [2019-03-28 12:03:05,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.90 [2019-03-28 12:03:05,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.90 [2019-03-28 12:03:05,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.90 [2019-03-28 12:03:05,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.95/7.90 [2019-03-28 12:03:05,802 INFO L300 LassoAnalysis]: Preprocessing complete. 16.95/7.90 [2019-03-28 12:03:05,802 INFO L497 LassoAnalysis]: Using template 'affine'. 16.95/7.90 [2019-03-28 12:03:05,803 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.95/7.90 Termination analysis: LINEAR_WITH_GUESSES 16.95/7.90 Number of strict supporting invariants: 0 16.95/7.90 Number of non-strict supporting invariants: 1 16.95/7.90 Consider only non-deceasing supporting invariants: true 16.95/7.90 Simplify termination arguments: true 16.95/7.90 Simplify supporting invariants: trueOverapproximate stem: false 16.95/7.90 [2019-03-28 12:03:05,803 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.95/7.90 [2019-03-28 12:03:05,803 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.95/7.90 [2019-03-28 12:03:05,804 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.95/7.90 [2019-03-28 12:03:05,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.95/7.90 [2019-03-28 12:03:05,804 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.95/7.90 [2019-03-28 12:03:05,805 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.95/7.90 [2019-03-28 12:03:05,805 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.95/7.90 [2019-03-28 12:03:05,806 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.95/7.90 [2019-03-28 12:03:05,806 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.95/7.90 Termination analysis: LINEAR_WITH_GUESSES 16.95/7.90 Number of strict supporting invariants: 0 16.95/7.90 Number of non-strict supporting invariants: 1 16.95/7.90 Consider only non-deceasing supporting invariants: true 16.95/7.90 Simplify termination arguments: true 16.95/7.90 Simplify supporting invariants: trueOverapproximate stem: false 16.95/7.90 [2019-03-28 12:03:05,806 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.95/7.90 [2019-03-28 12:03:05,806 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.95/7.90 [2019-03-28 12:03:05,807 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.95/7.90 [2019-03-28 12:03:05,807 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.95/7.90 [2019-03-28 12:03:05,807 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.95/7.90 [2019-03-28 12:03:05,808 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.95/7.90 [2019-03-28 12:03:05,808 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.95/7.90 [2019-03-28 12:03:05,808 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.95/7.90 [2019-03-28 12:03:05,809 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.95/7.90 Termination analysis: LINEAR_WITH_GUESSES 16.95/7.90 Number of strict supporting invariants: 0 16.95/7.90 Number of non-strict supporting invariants: 1 16.95/7.90 Consider only non-deceasing supporting invariants: true 16.95/7.90 Simplify termination arguments: true 16.95/7.90 Simplify supporting invariants: trueOverapproximate stem: false 16.95/7.90 [2019-03-28 12:03:05,809 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.95/7.90 [2019-03-28 12:03:05,809 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.95/7.90 [2019-03-28 12:03:05,810 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.95/7.90 [2019-03-28 12:03:05,810 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.95/7.90 [2019-03-28 12:03:05,810 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.95/7.90 [2019-03-28 12:03:05,810 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.95/7.90 [2019-03-28 12:03:05,810 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.95/7.90 [2019-03-28 12:03:05,811 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.95/7.90 [2019-03-28 12:03:05,811 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.95/7.90 Termination analysis: LINEAR_WITH_GUESSES 16.95/7.90 Number of strict supporting invariants: 0 16.95/7.90 Number of non-strict supporting invariants: 1 16.95/7.90 Consider only non-deceasing supporting invariants: true 16.95/7.90 Simplify termination arguments: true 16.95/7.90 Simplify supporting invariants: trueOverapproximate stem: false 16.95/7.90 [2019-03-28 12:03:05,812 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.95/7.90 [2019-03-28 12:03:05,812 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.95/7.90 [2019-03-28 12:03:05,812 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.95/7.90 [2019-03-28 12:03:05,812 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.95/7.90 [2019-03-28 12:03:05,812 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.95/7.90 [2019-03-28 12:03:05,813 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.95/7.90 [2019-03-28 12:03:05,813 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.95/7.90 [2019-03-28 12:03:05,813 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.95/7.90 [2019-03-28 12:03:05,814 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.95/7.90 Termination analysis: LINEAR_WITH_GUESSES 16.95/7.90 Number of strict supporting invariants: 0 16.95/7.90 Number of non-strict supporting invariants: 1 16.95/7.90 Consider only non-deceasing supporting invariants: true 16.95/7.90 Simplify termination arguments: true 16.95/7.90 Simplify supporting invariants: trueOverapproximate stem: false 16.95/7.90 [2019-03-28 12:03:05,814 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.95/7.90 [2019-03-28 12:03:05,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.95/7.90 [2019-03-28 12:03:05,815 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.95/7.90 [2019-03-28 12:03:05,815 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.95/7.90 [2019-03-28 12:03:05,817 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.95/7.90 [2019-03-28 12:03:05,817 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.95/7.90 [2019-03-28 12:03:05,835 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.95/7.90 [2019-03-28 12:03:05,841 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.95/7.90 [2019-03-28 12:03:05,841 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. 16.95/7.90 [2019-03-28 12:03:05,842 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.95/7.90 [2019-03-28 12:03:05,843 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 16.95/7.90 [2019-03-28 12:03:05,843 INFO L518 LassoAnalysis]: Proved termination. 16.95/7.90 [2019-03-28 12:03:05,843 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.95/7.90 Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 199 16.95/7.90 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 1 >= 0] 16.95/7.90 [2019-03-28 12:03:05,846 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 16.95/7.90 [2019-03-28 12:03:05,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.95/7.90 [2019-03-28 12:03:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.95/7.90 [2019-03-28 12:03:05,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core 16.95/7.90 [2019-03-28 12:03:05,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.95/7.90 [2019-03-28 12:03:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.95/7.90 [2019-03-28 12:03:05,884 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core 16.95/7.90 [2019-03-28 12:03:05,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.95/7.90 [2019-03-28 12:03:05,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.95/7.90 [2019-03-28 12:03:05,895 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.95/7.90 [2019-03-28 12:03:05,896 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 16.95/7.90 [2019-03-28 12:03:05,896 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1 Second operand 2 states. 16.95/7.90 [2019-03-28 12:03:05,915 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1. Second operand 2 states. Result 4 states and 4 transitions. Complement of second has 2 states. 16.95/7.90 [2019-03-28 12:03:05,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 16.95/7.90 [2019-03-28 12:03:05,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 16.95/7.90 [2019-03-28 12:03:05,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. 16.95/7.90 [2019-03-28 12:03:05,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 1 letters. 16.95/7.90 [2019-03-28 12:03:05,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.95/7.90 [2019-03-28 12:03:05,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 3 letters. Loop has 1 letters. 16.95/7.90 [2019-03-28 12:03:05,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.95/7.90 [2019-03-28 12:03:05,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. 16.95/7.90 [2019-03-28 12:03:05,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.95/7.90 [2019-03-28 12:03:05,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 4 transitions. 16.95/7.90 [2019-03-28 12:03:05,939 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.95/7.90 [2019-03-28 12:03:05,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 0 states and 0 transitions. 16.95/7.90 [2019-03-28 12:03:05,940 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 16.95/7.90 [2019-03-28 12:03:05,940 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 16.95/7.90 [2019-03-28 12:03:05,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 16.95/7.90 [2019-03-28 12:03:05,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.95/7.90 [2019-03-28 12:03:05,940 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.95/7.90 [2019-03-28 12:03:05,940 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.95/7.90 [2019-03-28 12:03:05,941 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.95/7.90 [2019-03-28 12:03:05,941 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 16.95/7.90 [2019-03-28 12:03:05,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 16.95/7.90 [2019-03-28 12:03:05,941 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.95/7.90 [2019-03-28 12:03:05,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 16.95/7.90 [2019-03-28 12:03:05,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:03:05 BasicIcfg 16.95/7.90 [2019-03-28 12:03:05,948 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 16.95/7.90 [2019-03-28 12:03:05,948 INFO L168 Benchmark]: Toolchain (without parser) took 3580.44 ms. Allocated memory was 649.6 MB in the beginning and 744.0 MB in the end (delta: 94.4 MB). Free memory was 559.5 MB in the beginning and 699.5 MB in the end (delta: -140.0 MB). There was no memory consumed. Max. memory is 50.3 GB. 16.95/7.90 [2019-03-28 12:03:05,950 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.95/7.90 [2019-03-28 12:03:05,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.75 ms. Allocated memory is still 649.6 MB. Free memory was 559.5 MB in the beginning and 549.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 16.95/7.90 [2019-03-28 12:03:05,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.30 ms. Allocated memory was 649.6 MB in the beginning and 666.4 MB in the end (delta: 16.8 MB). Free memory was 549.8 MB in the beginning and 632.2 MB in the end (delta: -82.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 16.95/7.90 [2019-03-28 12:03:05,952 INFO L168 Benchmark]: Boogie Preprocessor took 20.53 ms. Allocated memory is still 666.4 MB. Free memory was 632.2 MB in the beginning and 629.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 16.95/7.90 [2019-03-28 12:03:05,953 INFO L168 Benchmark]: RCFGBuilder took 193.97 ms. Allocated memory is still 666.4 MB. Free memory was 629.3 MB in the beginning and 616.9 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 16.95/7.90 [2019-03-28 12:03:05,954 INFO L168 Benchmark]: BlockEncodingV2 took 80.39 ms. Allocated memory is still 666.4 MB. Free memory was 616.9 MB in the beginning and 611.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 16.95/7.90 [2019-03-28 12:03:05,954 INFO L168 Benchmark]: TraceAbstraction took 103.04 ms. Allocated memory is still 666.4 MB. Free memory was 611.5 MB in the beginning and 604.0 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 50.3 GB. 16.95/7.90 [2019-03-28 12:03:05,955 INFO L168 Benchmark]: BuchiAutomizer took 2848.21 ms. Allocated memory was 666.4 MB in the beginning and 744.0 MB in the end (delta: 77.6 MB). Free memory was 604.0 MB in the beginning and 699.5 MB in the end (delta: -95.5 MB). There was no memory consumed. Max. memory is 50.3 GB. 16.95/7.90 [2019-03-28 12:03:05,959 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 16.95/7.90 --- Results --- 16.95/7.90 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 16.95/7.90 - StatisticsResult: Initial Icfg 16.95/7.90 7 locations, 9 edges 16.95/7.90 - StatisticsResult: Encoded RCFG 16.95/7.90 3 locations, 5 edges 16.95/7.90 * Results from de.uni_freiburg.informatik.ultimate.core: 16.95/7.90 - StatisticsResult: Toolchain Benchmarks 16.95/7.90 Benchmark results are: 16.95/7.90 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.95/7.90 * CACSL2BoogieTranslator took 227.75 ms. Allocated memory is still 649.6 MB. Free memory was 559.5 MB in the beginning and 549.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 16.95/7.90 * Boogie Procedure Inliner took 101.30 ms. Allocated memory was 649.6 MB in the beginning and 666.4 MB in the end (delta: 16.8 MB). Free memory was 549.8 MB in the beginning and 632.2 MB in the end (delta: -82.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 16.95/7.90 * Boogie Preprocessor took 20.53 ms. Allocated memory is still 666.4 MB. Free memory was 632.2 MB in the beginning and 629.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 16.95/7.90 * RCFGBuilder took 193.97 ms. Allocated memory is still 666.4 MB. Free memory was 629.3 MB in the beginning and 616.9 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 16.95/7.90 * BlockEncodingV2 took 80.39 ms. Allocated memory is still 666.4 MB. Free memory was 616.9 MB in the beginning and 611.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 16.95/7.90 * TraceAbstraction took 103.04 ms. Allocated memory is still 666.4 MB. Free memory was 611.5 MB in the beginning and 604.0 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 50.3 GB. 16.95/7.90 * BuchiAutomizer took 2848.21 ms. Allocated memory was 666.4 MB in the beginning and 744.0 MB in the end (delta: 77.6 MB). Free memory was 604.0 MB in the beginning and 699.5 MB in the end (delta: -95.5 MB). There was no memory consumed. Max. memory is 50.3 GB. 16.95/7.90 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 16.95/7.90 - AllSpecificationsHoldResult: All specifications hold 16.95/7.90 We were not able to verify any specifiation because the program does not contain any specification. 16.95/7.90 - StatisticsResult: Ultimate Automizer benchmark data 16.95/7.90 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, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 16.95/7.90 - StatisticsResult: Constructed decomposition of program 16.95/7.90 Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function -2 * z + 199 and consists of 2 locations. One nondeterministic module has affine ranking function -2 * y + 199 and consists of 2 locations. One nondeterministic module has affine ranking function -2 * y + 199 and consists of 2 locations. 16.95/7.90 - StatisticsResult: Timing statistics 16.95/7.90 BüchiAutomizer plugin needed 2.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 3 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 12 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf93 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq180 hnf94 smp100 dnf100 smp100 tf100 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 73ms VariablesStem: 1 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s 16.95/7.90 - TerminationAnalysisResult: Termination proven 16.95/7.90 Buchi Automizer proved that your program is terminating 16.95/7.90 RESULT: Ultimate proved your program to be correct! 16.95/7.90 !SESSION 2019-03-28 12:02:59.124 ----------------------------------------------- 16.95/7.90 eclipse.buildId=unknown 16.95/7.90 java.version=1.8.0_181 16.95/7.90 java.vendor=Oracle Corporation 16.95/7.90 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 16.95/7.90 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 16.95/7.90 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 16.95/7.90 16.95/7.90 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:03:06.190 16.95/7.90 !MESSAGE The workspace will exit with unsaved changes in this session. 16.95/7.90 Received shutdown request... 16.95/7.90 Ultimate: 16.95/7.90 GTK+ Version Check 16.95/7.90 EOF