18.40/9.10 YES 18.40/9.10 18.40/9.10 Ultimate: Cannot open display: 18.40/9.10 This is Ultimate 0.1.24-8dc7c08-m 18.40/9.10 [2019-03-28 12:07:57,986 INFO L170 SettingsManager]: Resetting all preferences to default values... 18.40/9.10 [2019-03-28 12:07:57,988 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 18.40/9.10 [2019-03-28 12:07:58,000 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 18.40/9.10 [2019-03-28 12:07:58,000 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 18.40/9.10 [2019-03-28 12:07:58,001 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 18.40/9.10 [2019-03-28 12:07:58,003 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 18.40/9.10 [2019-03-28 12:07:58,004 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 18.40/9.10 [2019-03-28 12:07:58,006 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 18.40/9.10 [2019-03-28 12:07:58,007 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 18.40/9.10 [2019-03-28 12:07:58,008 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 18.40/9.10 [2019-03-28 12:07:58,008 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 18.40/9.10 [2019-03-28 12:07:58,009 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 18.40/9.10 [2019-03-28 12:07:58,010 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 18.40/9.10 [2019-03-28 12:07:58,011 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 18.40/9.10 [2019-03-28 12:07:58,011 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 18.40/9.10 [2019-03-28 12:07:58,012 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 18.40/9.10 [2019-03-28 12:07:58,014 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 18.40/9.10 [2019-03-28 12:07:58,017 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 18.40/9.10 [2019-03-28 12:07:58,018 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 18.40/9.10 [2019-03-28 12:07:58,019 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 18.40/9.10 [2019-03-28 12:07:58,022 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 18.40/9.10 [2019-03-28 12:07:58,025 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 18.40/9.10 [2019-03-28 12:07:58,025 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 18.40/9.10 [2019-03-28 12:07:58,025 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 18.40/9.10 [2019-03-28 12:07:58,026 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 18.40/9.10 [2019-03-28 12:07:58,027 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 18.40/9.10 [2019-03-28 12:07:58,027 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 18.40/9.10 [2019-03-28 12:07:58,028 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 18.40/9.10 [2019-03-28 12:07:58,028 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 18.40/9.10 [2019-03-28 12:07:58,029 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 18.40/9.10 [2019-03-28 12:07:58,030 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 18.40/9.10 [2019-03-28 12:07:58,031 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 18.40/9.10 [2019-03-28 12:07:58,031 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 18.40/9.10 [2019-03-28 12:07:58,032 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 18.40/9.10 [2019-03-28 12:07:58,032 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 18.40/9.10 [2019-03-28 12:07:58,032 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 18.40/9.10 [2019-03-28 12:07:58,033 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 18.40/9.10 [2019-03-28 12:07:58,034 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 18.40/9.10 [2019-03-28 12:07:58,034 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 18.40/9.10 [2019-03-28 12:07:58,049 INFO L110 SettingsManager]: Loading preferences was successful 18.40/9.10 [2019-03-28 12:07:58,049 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 18.40/9.10 [2019-03-28 12:07:58,050 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 18.40/9.10 [2019-03-28 12:07:58,051 INFO L133 SettingsManager]: * Rewrite not-equals=true 18.40/9.10 [2019-03-28 12:07:58,051 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 18.40/9.10 [2019-03-28 12:07:58,051 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 18.40/9.10 [2019-03-28 12:07:58,051 INFO L133 SettingsManager]: * Use SBE=true 18.40/9.10 [2019-03-28 12:07:58,051 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 18.40/9.10 [2019-03-28 12:07:58,051 INFO L133 SettingsManager]: * Use old map elimination=false 18.40/9.10 [2019-03-28 12:07:58,052 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 18.40/9.10 [2019-03-28 12:07:58,052 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 18.40/9.10 [2019-03-28 12:07:58,052 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 18.40/9.10 [2019-03-28 12:07:58,052 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 18.40/9.10 [2019-03-28 12:07:58,052 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 18.40/9.10 [2019-03-28 12:07:58,052 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.10 [2019-03-28 12:07:58,053 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 18.40/9.10 [2019-03-28 12:07:58,053 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 18.40/9.10 [2019-03-28 12:07:58,053 INFO L133 SettingsManager]: * Check division by zero=IGNORE 18.40/9.10 [2019-03-28 12:07:58,053 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 18.40/9.10 [2019-03-28 12:07:58,053 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 18.40/9.10 [2019-03-28 12:07:58,054 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 18.40/9.10 [2019-03-28 12:07:58,054 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 18.40/9.10 [2019-03-28 12:07:58,054 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 18.40/9.10 [2019-03-28 12:07:58,054 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 18.40/9.10 [2019-03-28 12:07:58,054 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 18.40/9.10 [2019-03-28 12:07:58,054 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 18.40/9.10 [2019-03-28 12:07:58,055 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 18.40/9.10 [2019-03-28 12:07:58,055 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 18.40/9.10 [2019-03-28 12:07:58,055 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 18.40/9.10 [2019-03-28 12:07:58,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 18.40/9.10 [2019-03-28 12:07:58,095 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 18.40/9.10 [2019-03-28 12:07:58,106 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 18.40/9.10 [2019-03-28 12:07:58,108 INFO L271 PluginConnector]: Initializing CDTParser... 18.40/9.10 [2019-03-28 12:07:58,108 INFO L276 PluginConnector]: CDTParser initialized 18.40/9.10 [2019-03-28 12:07:58,109 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 18.40/9.10 [2019-03-28 12:07:58,174 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/8f0b660ac98b46aeb9066eb94fadb7db/FLAG126bdb5b0 18.40/9.10 [2019-03-28 12:07:58,512 INFO L307 CDTParser]: Found 1 translation units. 18.40/9.10 [2019-03-28 12:07:58,512 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 18.40/9.10 [2019-03-28 12:07:58,519 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/8f0b660ac98b46aeb9066eb94fadb7db/FLAG126bdb5b0 18.40/9.10 [2019-03-28 12:07:58,914 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/8f0b660ac98b46aeb9066eb94fadb7db 18.40/9.10 [2019-03-28 12:07:58,926 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 18.40/9.10 [2019-03-28 12:07:58,928 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 18.40/9.10 [2019-03-28 12:07:58,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 18.40/9.10 [2019-03-28 12:07:58,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 18.40/9.10 [2019-03-28 12:07:58,933 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 18.40/9.10 [2019-03-28 12:07:58,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:07:58" (1/1) ... 18.40/9.10 [2019-03-28 12:07:58,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a81d799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:58, skipping insertion in model container 18.40/9.10 [2019-03-28 12:07:58,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:07:58" (1/1) ... 18.40/9.10 [2019-03-28 12:07:58,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 18.40/9.10 [2019-03-28 12:07:58,963 INFO L176 MainTranslator]: Built tables and reachable declarations 18.40/9.10 [2019-03-28 12:07:59,122 INFO L206 PostProcessor]: Analyzing one entry point: main 18.40/9.10 [2019-03-28 12:07:59,127 INFO L191 MainTranslator]: Completed pre-run 18.40/9.10 [2019-03-28 12:07:59,143 INFO L206 PostProcessor]: Analyzing one entry point: main 18.40/9.10 [2019-03-28 12:07:59,220 INFO L195 MainTranslator]: Completed translation 18.40/9.10 [2019-03-28 12:07:59,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:59 WrapperNode 18.40/9.10 [2019-03-28 12:07:59,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 18.40/9.10 [2019-03-28 12:07:59,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 18.40/9.10 [2019-03-28 12:07:59,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 18.40/9.10 [2019-03-28 12:07:59,222 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 18.40/9.10 [2019-03-28 12:07:59,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:59" (1/1) ... 18.40/9.10 [2019-03-28 12:07:59,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:59" (1/1) ... 18.40/9.10 [2019-03-28 12:07:59,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 18.40/9.10 [2019-03-28 12:07:59,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 18.40/9.10 [2019-03-28 12:07:59,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 18.40/9.10 [2019-03-28 12:07:59,261 INFO L276 PluginConnector]: Boogie Preprocessor initialized 18.40/9.10 [2019-03-28 12:07:59,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:59" (1/1) ... 18.40/9.10 [2019-03-28 12:07:59,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:59" (1/1) ... 18.40/9.10 [2019-03-28 12:07:59,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:59" (1/1) ... 18.40/9.10 [2019-03-28 12:07:59,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:59" (1/1) ... 18.40/9.10 [2019-03-28 12:07:59,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:59" (1/1) ... 18.40/9.10 [2019-03-28 12:07:59,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:59" (1/1) ... 18.40/9.10 [2019-03-28 12:07:59,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:59" (1/1) ... 18.40/9.10 [2019-03-28 12:07:59,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 18.40/9.10 [2019-03-28 12:07:59,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 18.40/9.10 [2019-03-28 12:07:59,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... 18.40/9.10 [2019-03-28 12:07:59,282 INFO L276 PluginConnector]: RCFGBuilder initialized 18.40/9.10 [2019-03-28 12:07:59,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:59" (1/1) ... 18.40/9.10 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.40/9.10 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 18.40/9.10 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 18.40/9.10 [2019-03-28 12:07:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 18.40/9.10 [2019-03-28 12:07:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 18.40/9.10 [2019-03-28 12:07:59,489 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 18.40/9.10 [2019-03-28 12:07:59,489 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 18.40/9.10 [2019-03-28 12:07:59,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:07:59 BoogieIcfgContainer 18.40/9.10 [2019-03-28 12:07:59,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 18.40/9.10 [2019-03-28 12:07:59,492 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 18.40/9.10 [2019-03-28 12:07:59,492 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 18.40/9.10 [2019-03-28 12:07:59,494 INFO L276 PluginConnector]: BlockEncodingV2 initialized 18.40/9.10 [2019-03-28 12:07:59,495 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:07:59" (1/1) ... 18.40/9.10 [2019-03-28 12:07:59,508 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 11 edges 18.40/9.10 [2019-03-28 12:07:59,510 INFO L258 BlockEncoder]: Using Remove infeasible edges 18.40/9.10 [2019-03-28 12:07:59,511 INFO L263 BlockEncoder]: Using Maximize final states 18.40/9.10 [2019-03-28 12:07:59,511 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 18.40/9.10 [2019-03-28 12:07:59,512 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 18.40/9.10 [2019-03-28 12:07:59,514 INFO L296 BlockEncoder]: Using Remove sink states 18.40/9.10 [2019-03-28 12:07:59,514 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 18.40/9.10 [2019-03-28 12:07:59,515 INFO L179 BlockEncoder]: Using Rewrite not-equals 18.40/9.10 [2019-03-28 12:07:59,531 INFO L185 BlockEncoder]: Using Use SBE 18.40/9.10 [2019-03-28 12:07:59,539 INFO L200 BlockEncoder]: SBE split 0 edges 18.40/9.10 [2019-03-28 12:07:59,544 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 18.40/9.10 [2019-03-28 12:07:59,546 INFO L71 MaximizeFinalStates]: 0 new accepting states 18.40/9.10 [2019-03-28 12:07:59,562 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 18.40/9.10 [2019-03-28 12:07:59,564 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 18.40/9.10 [2019-03-28 12:07:59,566 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 18.40/9.10 [2019-03-28 12:07:59,566 INFO L71 MaximizeFinalStates]: 0 new accepting states 18.40/9.10 [2019-03-28 12:07:59,566 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 18.40/9.10 [2019-03-28 12:07:59,566 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 18.40/9.10 [2019-03-28 12:07:59,567 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 5 edges 18.40/9.10 [2019-03-28 12:07:59,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:07:59 BasicIcfg 18.40/9.10 [2019-03-28 12:07:59,567 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 18.40/9.10 [2019-03-28 12:07:59,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 18.40/9.10 [2019-03-28 12:07:59,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... 18.40/9.10 [2019-03-28 12:07:59,572 INFO L276 PluginConnector]: TraceAbstraction initialized 18.40/9.10 [2019-03-28 12:07:59,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:07:58" (1/4) ... 18.40/9.10 [2019-03-28 12:07:59,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd0e2e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:07:59, skipping insertion in model container 18.40/9.10 [2019-03-28 12:07:59,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:59" (2/4) ... 18.40/9.10 [2019-03-28 12:07:59,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd0e2e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:07:59, skipping insertion in model container 18.40/9.10 [2019-03-28 12:07:59,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:07:59" (3/4) ... 18.40/9.10 [2019-03-28 12:07:59,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd0e2e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:07:59, skipping insertion in model container 18.40/9.10 [2019-03-28 12:07:59,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:07:59" (4/4) ... 18.40/9.10 [2019-03-28 12:07:59,577 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 18.40/9.10 [2019-03-28 12:07:59,589 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 18.40/9.10 [2019-03-28 12:07:59,596 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 18.40/9.10 [2019-03-28 12:07:59,613 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 18.40/9.10 [2019-03-28 12:07:59,642 INFO L133 ementStrategyFactory]: Using default assertion order modulation 18.40/9.10 [2019-03-28 12:07:59,643 INFO L382 AbstractCegarLoop]: Interprodecural is true 18.40/9.10 [2019-03-28 12:07:59,643 INFO L383 AbstractCegarLoop]: Hoare is true 18.40/9.10 [2019-03-28 12:07:59,643 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 18.40/9.10 [2019-03-28 12:07:59,643 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 18.40/9.10 [2019-03-28 12:07:59,643 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 18.40/9.10 [2019-03-28 12:07:59,644 INFO L387 AbstractCegarLoop]: Difference is false 18.40/9.10 [2019-03-28 12:07:59,644 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 18.40/9.10 [2019-03-28 12:07:59,644 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 18.40/9.10 [2019-03-28 12:07:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 18.40/9.10 [2019-03-28 12:07:59,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 18.40/9.10 [2019-03-28 12:07:59,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 18.40/9.10 [2019-03-28 12:07:59,716 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 18.40/9.10 [2019-03-28 12:07:59,716 INFO L448 ceAbstractionStarter]: For program point L7(lines 7 11) no Hoare annotation was computed. 18.40/9.10 [2019-03-28 12:07:59,716 INFO L448 ceAbstractionStarter]: For program point L7-2(lines 7 11) no Hoare annotation was computed. 18.40/9.10 [2019-03-28 12:07:59,717 INFO L451 ceAbstractionStarter]: At program point L6-2(lines 6 13) the Hoare annotation is: true 18.40/9.10 [2019-03-28 12:07:59,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:07:59 BasicIcfg 18.40/9.10 [2019-03-28 12:07:59,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 18.40/9.10 [2019-03-28 12:07:59,726 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 18.40/9.10 [2019-03-28 12:07:59,726 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 18.40/9.10 [2019-03-28 12:07:59,729 INFO L276 PluginConnector]: BuchiAutomizer initialized 18.40/9.10 [2019-03-28 12:07:59,730 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.40/9.10 [2019-03-28 12:07:59,730 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:07:58" (1/5) ... 18.40/9.10 [2019-03-28 12:07:59,731 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c041d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:07:59, skipping insertion in model container 18.40/9.10 [2019-03-28 12:07:59,731 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.40/9.10 [2019-03-28 12:07:59,731 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:59" (2/5) ... 18.40/9.10 [2019-03-28 12:07:59,731 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c041d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:07:59, skipping insertion in model container 18.40/9.10 [2019-03-28 12:07:59,731 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.40/9.10 [2019-03-28 12:07:59,732 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:07:59" (3/5) ... 18.40/9.10 [2019-03-28 12:07:59,732 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c041d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:07:59, skipping insertion in model container 18.40/9.10 [2019-03-28 12:07:59,732 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.40/9.10 [2019-03-28 12:07:59,732 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:07:59" (4/5) ... 18.40/9.10 [2019-03-28 12:07:59,733 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c041d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:07:59, skipping insertion in model container 18.40/9.10 [2019-03-28 12:07:59,733 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.40/9.10 [2019-03-28 12:07:59,733 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:07:59" (5/5) ... 18.40/9.10 [2019-03-28 12:07:59,734 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 18.40/9.10 [2019-03-28 12:07:59,760 INFO L133 ementStrategyFactory]: Using default assertion order modulation 18.40/9.10 [2019-03-28 12:07:59,761 INFO L374 BuchiCegarLoop]: Interprodecural is true 18.40/9.10 [2019-03-28 12:07:59,761 INFO L375 BuchiCegarLoop]: Hoare is true 18.40/9.10 [2019-03-28 12:07:59,761 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 18.40/9.10 [2019-03-28 12:07:59,761 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 18.40/9.10 [2019-03-28 12:07:59,761 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 18.40/9.10 [2019-03-28 12:07:59,761 INFO L379 BuchiCegarLoop]: Difference is false 18.40/9.10 [2019-03-28 12:07:59,762 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 18.40/9.10 [2019-03-28 12:07:59,762 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 18.40/9.10 [2019-03-28 12:07:59,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 18.40/9.10 [2019-03-28 12:07:59,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 18.40/9.10 [2019-03-28 12:07:59,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.40/9.10 [2019-03-28 12:07:59,782 INFO L119 BuchiIsEmpty]: Starting construction of run 18.40/9.10 [2019-03-28 12:07:59,788 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.40/9.10 [2019-03-28 12:07:59,788 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 18.40/9.10 [2019-03-28 12:07:59,788 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 18.40/9.10 [2019-03-28 12:07:59,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 18.40/9.10 [2019-03-28 12:07:59,789 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 18.40/9.10 [2019-03-28 12:07:59,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.40/9.10 [2019-03-28 12:07:59,789 INFO L119 BuchiIsEmpty]: Starting construction of run 18.40/9.10 [2019-03-28 12:07:59,789 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.40/9.10 [2019-03-28 12:07:59,790 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 18.40/9.10 [2019-03-28 12:07:59,795 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [28] ULTIMATE.startENTRY-->L6-2: Formula: (and (= |v_ULTIMATE.start_test_fun_#in~z_1| |v_ULTIMATE.start_main_#t~nondet2_1|) (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= v_ULTIMATE.start_test_fun_~z_1 |v_ULTIMATE.start_test_fun_#in~z_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_test_fun_#in~z=|v_ULTIMATE.start_test_fun_#in~z_1|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_1, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_test_fun_#in~z, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_~z, ULTIMATE.start_test_fun_#in~x, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_main_#t~ret3] 6#L6-2true 18.40/9.10 [2019-03-28 12:07:59,796 INFO L796 eck$LassoCheckResult]: Loop: 6#L6-2true [37] L6-2-->L7: Formula: (< v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 5#L7true [39] L7-->L7-2: Formula: (and (>= v_ULTIMATE.start_test_fun_~x_7 v_ULTIMATE.start_test_fun_~z_5) (= v_ULTIMATE.start_test_fun_~z_4 (+ v_ULTIMATE.start_test_fun_~z_5 1))) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_5} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_4} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~z] 3#L7-2true [27] L7-2-->L6-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 6#L6-2true 18.40/9.10 [2019-03-28 12:07:59,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.40/9.10 [2019-03-28 12:07:59,802 INFO L82 PathProgramCache]: Analyzing trace with hash 59, now seen corresponding path program 1 times 18.40/9.10 [2019-03-28 12:07:59,804 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.40/9.10 [2019-03-28 12:07:59,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.40/9.10 [2019-03-28 12:07:59,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:07:59,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:07:59,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:07:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:07:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:07:59,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.40/9.10 [2019-03-28 12:07:59,877 INFO L82 PathProgramCache]: Analyzing trace with hash 66584, now seen corresponding path program 1 times 18.40/9.10 [2019-03-28 12:07:59,877 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.40/9.10 [2019-03-28 12:07:59,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.40/9.10 [2019-03-28 12:07:59,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:07:59,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:07:59,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:07:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:07:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:07:59,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.40/9.10 [2019-03-28 12:07:59,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1794462, now seen corresponding path program 1 times 18.40/9.10 [2019-03-28 12:07:59,892 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.40/9.10 [2019-03-28 12:07:59,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.40/9.10 [2019-03-28 12:07:59,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:07:59,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:07:59,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:07:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:07:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:07:59,961 INFO L216 LassoAnalysis]: Preferences: 18.40/9.10 [2019-03-28 12:07:59,963 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.40/9.10 [2019-03-28 12:07:59,963 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.40/9.10 [2019-03-28 12:07:59,963 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.40/9.10 [2019-03-28 12:07:59,963 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.40/9.10 [2019-03-28 12:07:59,963 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.10 [2019-03-28 12:07:59,964 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.40/9.10 [2019-03-28 12:07:59,964 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.40/9.10 [2019-03-28 12:07:59,964 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 18.40/9.10 [2019-03-28 12:07:59,964 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.40/9.10 [2019-03-28 12:07:59,964 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.40/9.10 [2019-03-28 12:07:59,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.40/9.10 [2019-03-28 12:07:59,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.40/9.10 [2019-03-28 12:08:00,074 INFO L300 LassoAnalysis]: Preprocessing complete. 18.40/9.10 [2019-03-28 12:08:00,075 INFO L412 LassoAnalysis]: Checking for nontermination... 18.40/9.10 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.40/9.10 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.40/9.10 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.10 [2019-03-28 12:08:00,081 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.40/9.10 [2019-03-28 12:08:00,081 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.40/9.10 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.40/9.10 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.40/9.10 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.10 [2019-03-28 12:08:00,114 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.40/9.10 [2019-03-28 12:08:00,114 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.40/9.10 [2019-03-28 12:08:00,137 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.40/9.10 [2019-03-28 12:08:00,138 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 18.40/9.10 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.40/9.10 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.40/9.10 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.10 [2019-03-28 12:08:00,165 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.40/9.10 [2019-03-28 12:08:00,166 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.40/9.10 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.40/9.10 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.40/9.10 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.10 [2019-03-28 12:08:00,198 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.40/9.10 [2019-03-28 12:08:00,198 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.40/9.10 [2019-03-28 12:08:00,522 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.40/9.10 [2019-03-28 12:08:00,524 INFO L216 LassoAnalysis]: Preferences: 18.40/9.10 [2019-03-28 12:08:00,525 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.40/9.10 [2019-03-28 12:08:00,525 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.40/9.10 [2019-03-28 12:08:00,525 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.40/9.10 [2019-03-28 12:08:00,525 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.40/9.10 [2019-03-28 12:08:00,525 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.40/9.10 [2019-03-28 12:08:00,525 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.40/9.10 [2019-03-28 12:08:00,526 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.40/9.10 [2019-03-28 12:08:00,526 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 18.40/9.10 [2019-03-28 12:08:00,526 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.40/9.10 [2019-03-28 12:08:00,526 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.40/9.10 [2019-03-28 12:08:00,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.40/9.10 [2019-03-28 12:08:00,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.40/9.10 [2019-03-28 12:08:00,589 INFO L300 LassoAnalysis]: Preprocessing complete. 18.40/9.10 [2019-03-28 12:08:00,595 INFO L497 LassoAnalysis]: Using template 'affine'. 18.40/9.10 [2019-03-28 12:08:00,597 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.40/9.10 Termination analysis: LINEAR_WITH_GUESSES 18.40/9.10 Number of strict supporting invariants: 0 18.40/9.10 Number of non-strict supporting invariants: 1 18.40/9.10 Consider only non-deceasing supporting invariants: true 18.40/9.10 Simplify termination arguments: true 18.40/9.10 Simplify supporting invariants: trueOverapproximate stem: false 18.40/9.10 [2019-03-28 12:08:00,599 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.40/9.10 [2019-03-28 12:08:00,599 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.40/9.10 [2019-03-28 12:08:00,600 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.40/9.10 [2019-03-28 12:08:00,600 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.40/9.10 [2019-03-28 12:08:00,600 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.40/9.10 [2019-03-28 12:08:00,602 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.40/9.10 [2019-03-28 12:08:00,602 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.40/9.10 [2019-03-28 12:08:00,610 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.40/9.10 [2019-03-28 12:08:00,611 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.40/9.10 Termination analysis: LINEAR_WITH_GUESSES 18.40/9.10 Number of strict supporting invariants: 0 18.40/9.10 Number of non-strict supporting invariants: 1 18.40/9.10 Consider only non-deceasing supporting invariants: true 18.40/9.10 Simplify termination arguments: true 18.40/9.10 Simplify supporting invariants: trueOverapproximate stem: false 18.40/9.10 [2019-03-28 12:08:00,612 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.40/9.10 [2019-03-28 12:08:00,612 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.40/9.10 [2019-03-28 12:08:00,612 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.40/9.10 [2019-03-28 12:08:00,612 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.40/9.10 [2019-03-28 12:08:00,612 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.40/9.10 [2019-03-28 12:08:00,613 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.40/9.10 [2019-03-28 12:08:00,614 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.40/9.10 [2019-03-28 12:08:00,621 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.40/9.10 [2019-03-28 12:08:00,629 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 18.40/9.10 [2019-03-28 12:08:00,629 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 18.40/9.10 [2019-03-28 12:08:00,631 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.40/9.10 [2019-03-28 12:08:00,631 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.40/9.10 [2019-03-28 12:08:00,631 INFO L518 LassoAnalysis]: Proved termination. 18.40/9.10 [2019-03-28 12:08:00,632 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.40/9.10 Ranking function f(ULTIMATE.start_test_fun_~z, ULTIMATE.start_test_fun_~x) = -2*ULTIMATE.start_test_fun_~z + 2*ULTIMATE.start_test_fun_~x + 1 18.40/9.10 Supporting invariants [] 18.40/9.10 [2019-03-28 12:08:00,633 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.40/9.10 [2019-03-28 12:08:00,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.40/9.10 [2019-03-28 12:08:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.40/9.10 [2019-03-28 12:08:00,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core 18.40/9.10 [2019-03-28 12:08:00,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.40/9.10 [2019-03-28 12:08:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.40/9.10 [2019-03-28 12:08:00,707 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 18.40/9.10 [2019-03-28 12:08:00,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.40/9.10 [2019-03-28 12:08:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.40/9.10 [2019-03-28 12:08:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.40/9.10 [2019-03-28 12:08:00,766 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 18.40/9.10 [2019-03-28 12:08:00,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.40/9.10 [2019-03-28 12:08:00,767 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 18.40/9.10 [2019-03-28 12:08:00,773 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 18.40/9.10 [2019-03-28 12:08:00,774 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 4 states. 18.40/9.10 [2019-03-28 12:08:00,801 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 4 states. Result 11 states and 14 transitions. Complement of second has 4 states. 18.40/9.10 [2019-03-28 12:08:00,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 18.40/9.10 [2019-03-28 12:08:00,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 18.40/9.10 [2019-03-28 12:08:00,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. 18.40/9.10 [2019-03-28 12:08:00,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 1 letters. Loop has 3 letters. 18.40/9.10 [2019-03-28 12:08:00,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.40/9.10 [2019-03-28 12:08:00,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 4 letters. Loop has 3 letters. 18.40/9.10 [2019-03-28 12:08:00,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.40/9.10 [2019-03-28 12:08:00,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 1 letters. Loop has 6 letters. 18.40/9.10 [2019-03-28 12:08:00,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.40/9.10 [2019-03-28 12:08:00,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 14 transitions. 18.40/9.10 [2019-03-28 12:08:00,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 18.40/9.10 [2019-03-28 12:08:00,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 14 transitions. 18.40/9.10 [2019-03-28 12:08:00,822 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 18.40/9.10 [2019-03-28 12:08:00,822 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 18.40/9.10 [2019-03-28 12:08:00,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. 18.40/9.10 [2019-03-28 12:08:00,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.40/9.10 [2019-03-28 12:08:00,823 INFO L706 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. 18.40/9.10 [2019-03-28 12:08:00,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. 18.40/9.10 [2019-03-28 12:08:00,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. 18.40/9.10 [2019-03-28 12:08:00,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 18.40/9.10 [2019-03-28 12:08:00,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. 18.40/9.10 [2019-03-28 12:08:00,853 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. 18.40/9.10 [2019-03-28 12:08:00,853 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. 18.40/9.10 [2019-03-28 12:08:00,853 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 18.40/9.10 [2019-03-28 12:08:00,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. 18.40/9.10 [2019-03-28 12:08:00,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 18.40/9.10 [2019-03-28 12:08:00,854 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.40/9.10 [2019-03-28 12:08:00,854 INFO L119 BuchiIsEmpty]: Starting construction of run 18.40/9.10 [2019-03-28 12:08:00,855 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 18.40/9.10 [2019-03-28 12:08:00,855 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 18.40/9.10 [2019-03-28 12:08:00,855 INFO L794 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRY [28] ULTIMATE.startENTRY-->L6-2: Formula: (and (= |v_ULTIMATE.start_test_fun_#in~z_1| |v_ULTIMATE.start_main_#t~nondet2_1|) (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= v_ULTIMATE.start_test_fun_~z_1 |v_ULTIMATE.start_test_fun_#in~z_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_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_test_fun_#in~z=|v_ULTIMATE.start_test_fun_#in~z_1|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_1, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_test_fun_#in~z, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_~z, ULTIMATE.start_test_fun_#in~x, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_main_#t~ret3] 62#L6-2 [37] L6-2-->L7: Formula: (< v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 63#L7 [29] L7-->L7-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_5 (+ v_ULTIMATE.start_test_fun_~x_6 1)) (< v_ULTIMATE.start_test_fun_~x_6 v_ULTIMATE.start_test_fun_~z_3)) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_3} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_5, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 56#L7-2 18.40/9.10 [2019-03-28 12:08:00,856 INFO L796 eck$LassoCheckResult]: Loop: 56#L7-2 [27] L7-2-->L6-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 57#L6-2 [37] L6-2-->L7: Formula: (< v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 65#L7 [39] L7-->L7-2: Formula: (and (>= v_ULTIMATE.start_test_fun_~x_7 v_ULTIMATE.start_test_fun_~z_5) (= v_ULTIMATE.start_test_fun_~z_4 (+ v_ULTIMATE.start_test_fun_~z_5 1))) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_5} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_4} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~z] 56#L7-2 18.40/9.10 [2019-03-28 12:08:00,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.40/9.10 [2019-03-28 12:08:00,856 INFO L82 PathProgramCache]: Analyzing trace with hash 57875, now seen corresponding path program 1 times 18.40/9.10 [2019-03-28 12:08:00,856 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.40/9.10 [2019-03-28 12:08:00,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.40/9.10 [2019-03-28 12:08:00,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:00,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:00,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:08:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:08:00,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.40/9.10 [2019-03-28 12:08:00,867 INFO L82 PathProgramCache]: Analyzing trace with hash 56924, now seen corresponding path program 2 times 18.40/9.10 [2019-03-28 12:08:00,868 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.40/9.10 [2019-03-28 12:08:00,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.40/9.10 [2019-03-28 12:08:00,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:00,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:00,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:08:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:08:00,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.40/9.10 [2019-03-28 12:08:00,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1724181258, now seen corresponding path program 1 times 18.40/9.10 [2019-03-28 12:08:00,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.40/9.10 [2019-03-28 12:08:00,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.40/9.10 [2019-03-28 12:08:00,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:00,877 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:00,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:08:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:08:00,910 INFO L216 LassoAnalysis]: Preferences: 18.40/9.10 [2019-03-28 12:08:00,911 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.40/9.10 [2019-03-28 12:08:00,911 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.40/9.10 [2019-03-28 12:08:00,911 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.40/9.10 [2019-03-28 12:08:00,911 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.40/9.10 [2019-03-28 12:08:00,911 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.10 [2019-03-28 12:08:00,911 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.40/9.10 [2019-03-28 12:08:00,912 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.40/9.10 [2019-03-28 12:08:00,912 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 18.40/9.10 [2019-03-28 12:08:00,912 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.40/9.10 [2019-03-28 12:08:00,912 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.40/9.10 [2019-03-28 12:08:00,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.40/9.10 [2019-03-28 12:08:00,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.40/9.10 [2019-03-28 12:08:00,961 INFO L300 LassoAnalysis]: Preprocessing complete. 18.40/9.10 [2019-03-28 12:08:00,961 INFO L412 LassoAnalysis]: Checking for nontermination... 18.40/9.10 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.40/9.10 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.40/9.10 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.10 [2019-03-28 12:08:00,967 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.40/9.10 [2019-03-28 12:08:00,967 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.40/9.10 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.40/9.10 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.40/9.10 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.10 [2019-03-28 12:08:00,999 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.40/9.10 [2019-03-28 12:08:00,999 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.40/9.10 [2019-03-28 12:08:01,016 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.40/9.10 [2019-03-28 12:08:01,017 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 18.40/9.10 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.40/9.10 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.40/9.10 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.10 [2019-03-28 12:08:01,044 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.40/9.10 [2019-03-28 12:08:01,044 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.40/9.10 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.40/9.10 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.40/9.10 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.10 [2019-03-28 12:08:01,074 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.40/9.10 [2019-03-28 12:08:01,074 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.40/9.10 [2019-03-28 12:08:01,409 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.40/9.10 [2019-03-28 12:08:01,412 INFO L216 LassoAnalysis]: Preferences: 18.40/9.10 [2019-03-28 12:08:01,412 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.40/9.10 [2019-03-28 12:08:01,412 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.40/9.10 [2019-03-28 12:08:01,412 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.40/9.10 [2019-03-28 12:08:01,412 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.40/9.10 [2019-03-28 12:08:01,413 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.40/9.10 [2019-03-28 12:08:01,413 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.40/9.10 [2019-03-28 12:08:01,413 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.40/9.10 [2019-03-28 12:08:01,413 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 18.40/9.10 [2019-03-28 12:08:01,413 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.40/9.10 [2019-03-28 12:08:01,413 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.40/9.10 [2019-03-28 12:08:01,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.40/9.10 [2019-03-28 12:08:01,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.40/9.10 [2019-03-28 12:08:01,463 INFO L300 LassoAnalysis]: Preprocessing complete. 18.40/9.10 [2019-03-28 12:08:01,463 INFO L497 LassoAnalysis]: Using template 'affine'. 18.40/9.10 [2019-03-28 12:08:01,464 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.40/9.10 Termination analysis: LINEAR_WITH_GUESSES 18.40/9.10 Number of strict supporting invariants: 0 18.40/9.10 Number of non-strict supporting invariants: 1 18.40/9.10 Consider only non-deceasing supporting invariants: true 18.40/9.10 Simplify termination arguments: true 18.40/9.10 Simplify supporting invariants: trueOverapproximate stem: false 18.40/9.10 [2019-03-28 12:08:01,465 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.40/9.10 [2019-03-28 12:08:01,465 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.40/9.10 [2019-03-28 12:08:01,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.40/9.10 [2019-03-28 12:08:01,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.40/9.10 [2019-03-28 12:08:01,465 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.40/9.10 [2019-03-28 12:08:01,466 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.40/9.10 [2019-03-28 12:08:01,466 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.40/9.10 [2019-03-28 12:08:01,471 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.40/9.10 [2019-03-28 12:08:01,472 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.40/9.10 Termination analysis: LINEAR_WITH_GUESSES 18.40/9.10 Number of strict supporting invariants: 0 18.40/9.10 Number of non-strict supporting invariants: 1 18.40/9.10 Consider only non-deceasing supporting invariants: true 18.40/9.10 Simplify termination arguments: true 18.40/9.10 Simplify supporting invariants: trueOverapproximate stem: false 18.40/9.10 [2019-03-28 12:08:01,472 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.40/9.10 [2019-03-28 12:08:01,472 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.40/9.10 [2019-03-28 12:08:01,473 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.40/9.10 [2019-03-28 12:08:01,473 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.40/9.10 [2019-03-28 12:08:01,473 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.40/9.10 [2019-03-28 12:08:01,474 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.40/9.10 [2019-03-28 12:08:01,474 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.40/9.10 [2019-03-28 12:08:01,480 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.40/9.10 [2019-03-28 12:08:01,485 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 18.40/9.10 [2019-03-28 12:08:01,485 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 18.40/9.10 [2019-03-28 12:08:01,486 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.40/9.10 [2019-03-28 12:08:01,486 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.40/9.10 [2019-03-28 12:08:01,486 INFO L518 LassoAnalysis]: Proved termination. 18.40/9.10 [2019-03-28 12:08:01,486 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.40/9.10 Ranking function f(ULTIMATE.start_test_fun_~z, ULTIMATE.start_test_fun_~x) = -2*ULTIMATE.start_test_fun_~z + 2*ULTIMATE.start_test_fun_~x + 1 18.40/9.10 Supporting invariants [] 18.40/9.10 [2019-03-28 12:08:01,486 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.40/9.10 [2019-03-28 12:08:01,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.40/9.10 [2019-03-28 12:08:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.40/9.10 [2019-03-28 12:08:01,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core 18.40/9.10 [2019-03-28 12:08:01,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.40/9.10 [2019-03-28 12:08:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.40/9.10 [2019-03-28 12:08:01,513 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 18.40/9.10 [2019-03-28 12:08:01,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.40/9.10 [2019-03-28 12:08:01,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.40/9.10 [2019-03-28 12:08:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.40/9.10 [2019-03-28 12:08:01,519 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 18.40/9.10 [2019-03-28 12:08:01,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.40/9.10 [2019-03-28 12:08:01,537 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 2 predicates after loop cannibalization 18.40/9.10 [2019-03-28 12:08:01,537 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 18.40/9.10 [2019-03-28 12:08:01,537 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 3 states. 18.40/9.10 [2019-03-28 12:08:01,556 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 13 states and 17 transitions. Complement of second has 4 states. 18.40/9.10 [2019-03-28 12:08:01,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 18.40/9.10 [2019-03-28 12:08:01,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 18.40/9.10 [2019-03-28 12:08:01,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 18.40/9.10 [2019-03-28 12:08:01,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 3 letters. 18.40/9.10 [2019-03-28 12:08:01,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.40/9.10 [2019-03-28 12:08:01,559 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 3 letters. 18.40/9.10 [2019-03-28 12:08:01,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.40/9.10 [2019-03-28 12:08:01,559 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 6 letters. 18.40/9.10 [2019-03-28 12:08:01,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.40/9.10 [2019-03-28 12:08:01,561 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 17 transitions. 18.40/9.10 [2019-03-28 12:08:01,562 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 18.40/9.10 [2019-03-28 12:08:01,563 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 17 transitions. 18.40/9.10 [2019-03-28 12:08:01,563 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 18.40/9.10 [2019-03-28 12:08:01,563 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 18.40/9.10 [2019-03-28 12:08:01,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. 18.40/9.10 [2019-03-28 12:08:01,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.40/9.10 [2019-03-28 12:08:01,563 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. 18.40/9.10 [2019-03-28 12:08:01,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. 18.40/9.10 [2019-03-28 12:08:01,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 8. 18.40/9.10 [2019-03-28 12:08:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 18.40/9.10 [2019-03-28 12:08:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. 18.40/9.10 [2019-03-28 12:08:01,565 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 18.40/9.10 [2019-03-28 12:08:01,565 INFO L609 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 18.40/9.10 [2019-03-28 12:08:01,565 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 18.40/9.10 [2019-03-28 12:08:01,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. 18.40/9.10 [2019-03-28 12:08:01,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 18.40/9.10 [2019-03-28 12:08:01,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.40/9.10 [2019-03-28 12:08:01,566 INFO L119 BuchiIsEmpty]: Starting construction of run 18.40/9.10 [2019-03-28 12:08:01,567 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 18.40/9.10 [2019-03-28 12:08:01,567 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 18.40/9.10 [2019-03-28 12:08:01,567 INFO L794 eck$LassoCheckResult]: Stem: 127#ULTIMATE.startENTRY [28] ULTIMATE.startENTRY-->L6-2: Formula: (and (= |v_ULTIMATE.start_test_fun_#in~z_1| |v_ULTIMATE.start_main_#t~nondet2_1|) (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= v_ULTIMATE.start_test_fun_~z_1 |v_ULTIMATE.start_test_fun_#in~z_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_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_test_fun_#in~z=|v_ULTIMATE.start_test_fun_#in~z_1|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_1, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_test_fun_#in~z, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_~z, ULTIMATE.start_test_fun_#in~x, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_main_#t~ret3] 128#L6-2 [37] L6-2-->L7: Formula: (< v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 129#L7 18.40/9.10 [2019-03-28 12:08:01,567 INFO L796 eck$LassoCheckResult]: Loop: 129#L7 [29] L7-->L7-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_5 (+ v_ULTIMATE.start_test_fun_~x_6 1)) (< v_ULTIMATE.start_test_fun_~x_6 v_ULTIMATE.start_test_fun_~z_3)) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_3} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_5, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 123#L7-2 [27] L7-2-->L6-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 125#L6-2 [37] L6-2-->L7: Formula: (< v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 129#L7 18.40/9.10 [2019-03-28 12:08:01,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.40/9.10 [2019-03-28 12:08:01,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1866, now seen corresponding path program 1 times 18.40/9.10 [2019-03-28 12:08:01,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.40/9.10 [2019-03-28 12:08:01,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.40/9.10 [2019-03-28 12:08:01,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:01,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:01,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:08:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:08:01,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.40/9.10 [2019-03-28 12:08:01,577 INFO L82 PathProgramCache]: Analyzing trace with hash 58534, now seen corresponding path program 1 times 18.40/9.10 [2019-03-28 12:08:01,577 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.40/9.10 [2019-03-28 12:08:01,577 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.40/9.10 [2019-03-28 12:08:01,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:01,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:01,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:08:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:08:01,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.40/9.10 [2019-03-28 12:08:01,584 INFO L82 PathProgramCache]: Analyzing trace with hash 55618749, now seen corresponding path program 1 times 18.40/9.10 [2019-03-28 12:08:01,584 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.40/9.10 [2019-03-28 12:08:01,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.40/9.10 [2019-03-28 12:08:01,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:01,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:01,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.10 [2019-03-28 12:08:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:08:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.10 [2019-03-28 12:08:01,617 INFO L216 LassoAnalysis]: Preferences: 18.40/9.10 [2019-03-28 12:08:01,617 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.40/9.10 [2019-03-28 12:08:01,618 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.40/9.10 [2019-03-28 12:08:01,618 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.40/9.10 [2019-03-28 12:08:01,618 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.40/9.10 [2019-03-28 12:08:01,618 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.10 [2019-03-28 12:08:01,618 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.40/9.10 [2019-03-28 12:08:01,618 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.40/9.11 [2019-03-28 12:08:01,619 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 18.40/9.11 [2019-03-28 12:08:01,619 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.40/9.11 [2019-03-28 12:08:01,619 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.40/9.11 [2019-03-28 12:08:01,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.40/9.11 [2019-03-28 12:08:01,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.40/9.11 [2019-03-28 12:08:01,678 INFO L300 LassoAnalysis]: Preprocessing complete. 18.40/9.11 [2019-03-28 12:08:01,678 INFO L412 LassoAnalysis]: Checking for nontermination... 18.40/9.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.40/9.11 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.40/9.11 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.11 [2019-03-28 12:08:01,685 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.40/9.11 [2019-03-28 12:08:01,685 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.40/9.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.40/9.11 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.40/9.11 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.11 [2019-03-28 12:08:01,716 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.40/9.11 [2019-03-28 12:08:01,716 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.40/9.11 [2019-03-28 12:08:01,735 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.40/9.11 [2019-03-28 12:08:01,735 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 18.40/9.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.40/9.11 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.40/9.11 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.11 [2019-03-28 12:08:01,765 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.40/9.11 [2019-03-28 12:08:01,765 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.40/9.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.40/9.11 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.40/9.11 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.11 [2019-03-28 12:08:01,797 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.40/9.11 [2019-03-28 12:08:01,797 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.40/9.11 [2019-03-28 12:08:02,235 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.40/9.11 [2019-03-28 12:08:02,238 INFO L216 LassoAnalysis]: Preferences: 18.40/9.11 [2019-03-28 12:08:02,238 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.40/9.11 [2019-03-28 12:08:02,238 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.40/9.11 [2019-03-28 12:08:02,238 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.40/9.11 [2019-03-28 12:08:02,239 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.40/9.11 [2019-03-28 12:08:02,239 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.40/9.11 [2019-03-28 12:08:02,239 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.40/9.11 [2019-03-28 12:08:02,239 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.40/9.11 [2019-03-28 12:08:02,240 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 18.40/9.11 [2019-03-28 12:08:02,240 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.40/9.11 [2019-03-28 12:08:02,240 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.40/9.11 [2019-03-28 12:08:02,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.40/9.11 [2019-03-28 12:08:02,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.40/9.11 [2019-03-28 12:08:02,279 INFO L300 LassoAnalysis]: Preprocessing complete. 18.40/9.11 [2019-03-28 12:08:02,279 INFO L497 LassoAnalysis]: Using template 'affine'. 18.40/9.11 [2019-03-28 12:08:02,280 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.40/9.11 Termination analysis: LINEAR_WITH_GUESSES 18.40/9.11 Number of strict supporting invariants: 0 18.40/9.11 Number of non-strict supporting invariants: 1 18.40/9.11 Consider only non-deceasing supporting invariants: true 18.40/9.11 Simplify termination arguments: true 18.40/9.11 Simplify supporting invariants: trueOverapproximate stem: false 18.40/9.11 [2019-03-28 12:08:02,280 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.40/9.11 [2019-03-28 12:08:02,281 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.40/9.11 [2019-03-28 12:08:02,281 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.40/9.11 [2019-03-28 12:08:02,281 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.40/9.11 [2019-03-28 12:08:02,281 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.40/9.11 [2019-03-28 12:08:02,282 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.40/9.11 [2019-03-28 12:08:02,282 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.40/9.11 [2019-03-28 12:08:02,285 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.40/9.11 [2019-03-28 12:08:02,285 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.40/9.11 Termination analysis: LINEAR_WITH_GUESSES 18.40/9.11 Number of strict supporting invariants: 0 18.40/9.11 Number of non-strict supporting invariants: 1 18.40/9.11 Consider only non-deceasing supporting invariants: true 18.40/9.11 Simplify termination arguments: true 18.40/9.11 Simplify supporting invariants: trueOverapproximate stem: false 18.40/9.11 [2019-03-28 12:08:02,286 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.40/9.11 [2019-03-28 12:08:02,286 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.40/9.11 [2019-03-28 12:08:02,287 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.40/9.11 [2019-03-28 12:08:02,287 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.40/9.11 [2019-03-28 12:08:02,287 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.40/9.11 [2019-03-28 12:08:02,288 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.40/9.11 [2019-03-28 12:08:02,288 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.40/9.11 [2019-03-28 12:08:02,292 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.40/9.11 [2019-03-28 12:08:02,298 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 18.40/9.11 [2019-03-28 12:08:02,299 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 18.40/9.11 [2019-03-28 12:08:02,299 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.40/9.11 [2019-03-28 12:08:02,299 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.40/9.11 [2019-03-28 12:08:02,299 INFO L518 LassoAnalysis]: Proved termination. 18.40/9.11 [2019-03-28 12:08:02,299 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.40/9.11 Ranking function f(ULTIMATE.start_test_fun_~x, ULTIMATE.start_test_fun_~z) = -1*ULTIMATE.start_test_fun_~x + 1*ULTIMATE.start_test_fun_~z 18.40/9.11 Supporting invariants [] 18.40/9.11 [2019-03-28 12:08:02,300 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.40/9.11 [2019-03-28 12:08:02,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.40/9.11 [2019-03-28 12:08:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.40/9.11 [2019-03-28 12:08:02,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core 18.40/9.11 [2019-03-28 12:08:02,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.40/9.11 [2019-03-28 12:08:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.40/9.11 [2019-03-28 12:08:02,327 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 18.40/9.11 [2019-03-28 12:08:02,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.40/9.11 [2019-03-28 12:08:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.40/9.11 [2019-03-28 12:08:02,361 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 18.40/9.11 [2019-03-28 12:08:02,362 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 18.40/9.11 [2019-03-28 12:08:02,362 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states and 11 transitions. cyclomatic complexity: 4 Second operand 3 states. 18.40/9.11 [2019-03-28 12:08:02,376 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states and 11 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 16 states and 19 transitions. Complement of second has 6 states. 18.40/9.11 [2019-03-28 12:08:02,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 18.40/9.11 [2019-03-28 12:08:02,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 18.40/9.11 [2019-03-28 12:08:02,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. 18.40/9.11 [2019-03-28 12:08:02,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 3 letters. 18.40/9.11 [2019-03-28 12:08:02,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.40/9.11 [2019-03-28 12:08:02,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 3 letters. 18.40/9.11 [2019-03-28 12:08:02,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.40/9.11 [2019-03-28 12:08:02,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 6 letters. 18.40/9.11 [2019-03-28 12:08:02,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.40/9.11 [2019-03-28 12:08:02,380 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. 18.40/9.11 [2019-03-28 12:08:02,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 18.40/9.11 [2019-03-28 12:08:02,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 12 states and 15 transitions. 18.40/9.11 [2019-03-28 12:08:02,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 18.40/9.11 [2019-03-28 12:08:02,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 18.40/9.11 [2019-03-28 12:08:02,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. 18.40/9.11 [2019-03-28 12:08:02,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.40/9.11 [2019-03-28 12:08:02,383 INFO L706 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. 18.40/9.11 [2019-03-28 12:08:02,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. 18.40/9.11 [2019-03-28 12:08:02,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. 18.40/9.11 [2019-03-28 12:08:02,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 18.40/9.11 [2019-03-28 12:08:02,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. 18.40/9.11 [2019-03-28 12:08:02,385 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. 18.40/9.11 [2019-03-28 12:08:02,385 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. 18.40/9.11 [2019-03-28 12:08:02,385 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 18.40/9.11 [2019-03-28 12:08:02,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. 18.40/9.11 [2019-03-28 12:08:02,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 18.40/9.11 [2019-03-28 12:08:02,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.40/9.11 [2019-03-28 12:08:02,386 INFO L119 BuchiIsEmpty]: Starting construction of run 18.40/9.11 [2019-03-28 12:08:02,386 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 18.40/9.11 [2019-03-28 12:08:02,386 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1] 18.40/9.11 [2019-03-28 12:08:02,387 INFO L794 eck$LassoCheckResult]: Stem: 189#ULTIMATE.startENTRY [28] ULTIMATE.startENTRY-->L6-2: Formula: (and (= |v_ULTIMATE.start_test_fun_#in~z_1| |v_ULTIMATE.start_main_#t~nondet2_1|) (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= v_ULTIMATE.start_test_fun_~z_1 |v_ULTIMATE.start_test_fun_#in~z_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_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_test_fun_#in~z=|v_ULTIMATE.start_test_fun_#in~z_1|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_1, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_test_fun_#in~z, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_~z, ULTIMATE.start_test_fun_#in~x, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_main_#t~ret3] 190#L6-2 [37] L6-2-->L7: Formula: (< v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 191#L7 18.40/9.11 [2019-03-28 12:08:02,387 INFO L796 eck$LassoCheckResult]: Loop: 191#L7 [29] L7-->L7-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_5 (+ v_ULTIMATE.start_test_fun_~x_6 1)) (< v_ULTIMATE.start_test_fun_~x_6 v_ULTIMATE.start_test_fun_~z_3)) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_3} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_5, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 186#L7-2 [27] L7-2-->L6-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 188#L6-2 [37] L6-2-->L7: Formula: (< v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 192#L7 [39] L7-->L7-2: Formula: (and (>= v_ULTIMATE.start_test_fun_~x_7 v_ULTIMATE.start_test_fun_~z_5) (= v_ULTIMATE.start_test_fun_~z_4 (+ v_ULTIMATE.start_test_fun_~z_5 1))) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_5} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_4} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~z] 193#L7-2 [27] L7-2-->L6-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 194#L6-2 [37] L6-2-->L7: Formula: (< v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 191#L7 18.40/9.11 [2019-03-28 12:08:02,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.40/9.11 [2019-03-28 12:08:02,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1866, now seen corresponding path program 2 times 18.40/9.11 [2019-03-28 12:08:02,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.40/9.11 [2019-03-28 12:08:02,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.40/9.11 [2019-03-28 12:08:02,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.11 [2019-03-28 12:08:02,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.40/9.11 [2019-03-28 12:08:02,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.11 [2019-03-28 12:08:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.11 [2019-03-28 12:08:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.11 [2019-03-28 12:08:02,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.40/9.11 [2019-03-28 12:08:02,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1743824747, now seen corresponding path program 1 times 18.40/9.11 [2019-03-28 12:08:02,396 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.40/9.11 [2019-03-28 12:08:02,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.40/9.11 [2019-03-28 12:08:02,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.11 [2019-03-28 12:08:02,396 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.40/9.11 [2019-03-28 12:08:02,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.11 [2019-03-28 12:08:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.11 [2019-03-28 12:08:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.11 [2019-03-28 12:08:02,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.40/9.11 [2019-03-28 12:08:02,404 INFO L82 PathProgramCache]: Analyzing trace with hash -919186444, now seen corresponding path program 2 times 18.40/9.11 [2019-03-28 12:08:02,404 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.40/9.11 [2019-03-28 12:08:02,404 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.40/9.11 [2019-03-28 12:08:02,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.11 [2019-03-28 12:08:02,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.40/9.11 [2019-03-28 12:08:02,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.40/9.11 [2019-03-28 12:08:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.11 [2019-03-28 12:08:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.40/9.11 [2019-03-28 12:08:02,446 INFO L216 LassoAnalysis]: Preferences: 18.40/9.11 [2019-03-28 12:08:02,446 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.40/9.11 [2019-03-28 12:08:02,447 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.40/9.11 [2019-03-28 12:08:02,447 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.40/9.11 [2019-03-28 12:08:02,447 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.40/9.11 [2019-03-28 12:08:02,447 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.11 [2019-03-28 12:08:02,447 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.40/9.11 [2019-03-28 12:08:02,447 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.40/9.11 [2019-03-28 12:08:02,447 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 18.40/9.11 [2019-03-28 12:08:02,448 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.40/9.11 [2019-03-28 12:08:02,448 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.40/9.11 [2019-03-28 12:08:02,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.40/9.11 [2019-03-28 12:08:02,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.40/9.11 [2019-03-28 12:08:02,514 INFO L300 LassoAnalysis]: Preprocessing complete. 18.40/9.11 [2019-03-28 12:08:02,514 INFO L412 LassoAnalysis]: Checking for nontermination... 18.40/9.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.40/9.11 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.40/9.11 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.11 [2019-03-28 12:08:02,517 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.40/9.11 [2019-03-28 12:08:02,518 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.40/9.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.40/9.11 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.40/9.11 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.40/9.11 [2019-03-28 12:08:02,548 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.40/9.11 [2019-03-28 12:08:02,548 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.40/9.11 [2019-03-28 12:08:03,185 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.40/9.11 [2019-03-28 12:08:03,188 INFO L216 LassoAnalysis]: Preferences: 18.40/9.11 [2019-03-28 12:08:03,201 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.40/9.11 [2019-03-28 12:08:03,201 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.40/9.11 [2019-03-28 12:08:03,201 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.40/9.11 [2019-03-28 12:08:03,201 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.40/9.11 [2019-03-28 12:08:03,201 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.40/9.11 [2019-03-28 12:08:03,202 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.40/9.11 [2019-03-28 12:08:03,202 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.40/9.11 [2019-03-28 12:08:03,202 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 18.40/9.11 [2019-03-28 12:08:03,202 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.40/9.11 [2019-03-28 12:08:03,202 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.40/9.11 [2019-03-28 12:08:03,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.40/9.11 [2019-03-28 12:08:03,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.40/9.11 [2019-03-28 12:08:03,262 INFO L300 LassoAnalysis]: Preprocessing complete. 18.40/9.11 [2019-03-28 12:08:03,263 INFO L497 LassoAnalysis]: Using template 'affine'. 18.40/9.11 [2019-03-28 12:08:03,263 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.40/9.11 Termination analysis: LINEAR_WITH_GUESSES 18.40/9.11 Number of strict supporting invariants: 0 18.40/9.11 Number of non-strict supporting invariants: 1 18.40/9.11 Consider only non-deceasing supporting invariants: true 18.40/9.11 Simplify termination arguments: true 18.40/9.11 Simplify supporting invariants: trueOverapproximate stem: false 18.40/9.11 [2019-03-28 12:08:03,264 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.40/9.11 [2019-03-28 12:08:03,264 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.40/9.11 [2019-03-28 12:08:03,265 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.40/9.11 [2019-03-28 12:08:03,265 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.40/9.11 [2019-03-28 12:08:03,265 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.40/9.11 [2019-03-28 12:08:03,266 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.40/9.11 [2019-03-28 12:08:03,266 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.40/9.11 [2019-03-28 12:08:03,271 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.40/9.11 [2019-03-28 12:08:03,276 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 18.40/9.11 [2019-03-28 12:08:03,276 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 18.40/9.11 [2019-03-28 12:08:03,276 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.40/9.11 [2019-03-28 12:08:03,276 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.40/9.11 [2019-03-28 12:08:03,277 INFO L518 LassoAnalysis]: Proved termination. 18.40/9.11 [2019-03-28 12:08:03,277 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.40/9.11 Ranking function f(ULTIMATE.start_test_fun_~x, ULTIMATE.start_test_fun_~y) = -1*ULTIMATE.start_test_fun_~x + 1*ULTIMATE.start_test_fun_~y 18.40/9.11 Supporting invariants [] 18.40/9.11 [2019-03-28 12:08:03,277 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.40/9.11 [2019-03-28 12:08:03,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.40/9.11 [2019-03-28 12:08:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.40/9.11 [2019-03-28 12:08:03,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core 18.40/9.11 [2019-03-28 12:08:03,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.40/9.11 [2019-03-28 12:08:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.40/9.11 [2019-03-28 12:08:03,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core 18.40/9.11 [2019-03-28 12:08:03,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.40/9.11 [2019-03-28 12:08:03,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.40/9.11 [2019-03-28 12:08:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.40/9.11 [2019-03-28 12:08:03,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core 18.40/9.11 [2019-03-28 12:08:03,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.40/9.11 [2019-03-28 12:08:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.40/9.11 [2019-03-28 12:08:03,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core 18.40/9.11 [2019-03-28 12:08:03,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.40/9.11 [2019-03-28 12:08:03,374 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 18.40/9.11 [2019-03-28 12:08:03,374 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 18.40/9.11 [2019-03-28 12:08:03,374 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand 4 states. 18.40/9.11 [2019-03-28 12:08:03,407 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 10 states and 13 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 25 states and 31 transitions. Complement of second has 9 states. 18.40/9.11 [2019-03-28 12:08:03,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states 18.40/9.11 [2019-03-28 12:08:03,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 18.40/9.11 [2019-03-28 12:08:03,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. 18.40/9.11 [2019-03-28 12:08:03,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 6 letters. 18.40/9.11 [2019-03-28 12:08:03,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.40/9.11 [2019-03-28 12:08:03,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 8 letters. Loop has 6 letters. 18.40/9.11 [2019-03-28 12:08:03,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.40/9.11 [2019-03-28 12:08:03,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 12 letters. 18.40/9.11 [2019-03-28 12:08:03,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.40/9.11 [2019-03-28 12:08:03,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. 18.40/9.11 [2019-03-28 12:08:03,414 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 18.40/9.11 [2019-03-28 12:08:03,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. 18.40/9.11 [2019-03-28 12:08:03,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 18.40/9.11 [2019-03-28 12:08:03,415 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 18.40/9.11 [2019-03-28 12:08:03,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 18.40/9.11 [2019-03-28 12:08:03,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 18.40/9.11 [2019-03-28 12:08:03,415 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.40/9.11 [2019-03-28 12:08:03,415 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.40/9.11 [2019-03-28 12:08:03,415 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.40/9.11 [2019-03-28 12:08:03,416 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 18.40/9.11 [2019-03-28 12:08:03,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 18.40/9.11 [2019-03-28 12:08:03,416 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 18.40/9.11 [2019-03-28 12:08:03,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 18.40/9.11 [2019-03-28 12:08:03,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:08:03 BasicIcfg 18.40/9.11 [2019-03-28 12:08:03,422 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 18.40/9.11 [2019-03-28 12:08:03,423 INFO L168 Benchmark]: Toolchain (without parser) took 4496.04 ms. Allocated memory was 649.6 MB in the beginning and 743.4 MB in the end (delta: 93.8 MB). Free memory was 564.9 MB in the beginning and 682.3 MB in the end (delta: -117.4 MB). There was no memory consumed. Max. memory is 50.3 GB. 18.40/9.11 [2019-03-28 12:08:03,424 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 18.40/9.11 [2019-03-28 12:08:03,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.84 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 616.1 MB in the end (delta: -52.3 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 18.40/9.11 [2019-03-28 12:08:03,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.56 ms. Allocated memory is still 649.6 MB. Free memory was 616.1 MB in the beginning and 615.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 18.40/9.11 [2019-03-28 12:08:03,426 INFO L168 Benchmark]: Boogie Preprocessor took 20.69 ms. Allocated memory is still 649.6 MB. Free memory was 615.0 MB in the beginning and 612.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 18.40/9.11 [2019-03-28 12:08:03,426 INFO L168 Benchmark]: RCFGBuilder took 209.59 ms. Allocated memory is still 649.6 MB. Free memory was 611.1 MB in the beginning and 597.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 18.40/9.11 [2019-03-28 12:08:03,427 INFO L168 Benchmark]: BlockEncodingV2 took 76.00 ms. Allocated memory is still 649.6 MB. Free memory was 597.7 MB in the beginning and 593.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 50.3 GB. 18.40/9.11 [2019-03-28 12:08:03,427 INFO L168 Benchmark]: TraceAbstraction took 156.56 ms. Allocated memory is still 649.6 MB. Free memory was 592.2 MB in the beginning and 583.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 18.40/9.11 [2019-03-28 12:08:03,428 INFO L168 Benchmark]: BuchiAutomizer took 3696.68 ms. Allocated memory was 649.6 MB in the beginning and 743.4 MB in the end (delta: 93.8 MB). Free memory was 583.6 MB in the beginning and 682.3 MB in the end (delta: -98.7 MB). There was no memory consumed. Max. memory is 50.3 GB. 18.40/9.11 [2019-03-28 12:08:03,432 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 18.40/9.11 --- Results --- 18.40/9.11 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 18.40/9.11 - StatisticsResult: Initial Icfg 18.40/9.11 9 locations, 11 edges 18.40/9.11 - StatisticsResult: Encoded RCFG 18.40/9.11 4 locations, 5 edges 18.40/9.11 * Results from de.uni_freiburg.informatik.ultimate.core: 18.40/9.11 - StatisticsResult: Toolchain Benchmarks 18.40/9.11 Benchmark results are: 18.40/9.11 * CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 18.40/9.11 * CACSL2BoogieTranslator took 291.84 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 616.1 MB in the end (delta: -52.3 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 18.40/9.11 * Boogie Procedure Inliner took 38.56 ms. Allocated memory is still 649.6 MB. Free memory was 616.1 MB in the beginning and 615.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 18.40/9.11 * Boogie Preprocessor took 20.69 ms. Allocated memory is still 649.6 MB. Free memory was 615.0 MB in the beginning and 612.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 18.40/9.11 * RCFGBuilder took 209.59 ms. Allocated memory is still 649.6 MB. Free memory was 611.1 MB in the beginning and 597.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 18.40/9.11 * BlockEncodingV2 took 76.00 ms. Allocated memory is still 649.6 MB. Free memory was 597.7 MB in the beginning and 593.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 50.3 GB. 18.40/9.11 * TraceAbstraction took 156.56 ms. Allocated memory is still 649.6 MB. Free memory was 592.2 MB in the beginning and 583.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 18.40/9.11 * BuchiAutomizer took 3696.68 ms. Allocated memory was 649.6 MB in the beginning and 743.4 MB in the end (delta: 93.8 MB). Free memory was 583.6 MB in the beginning and 682.3 MB in the end (delta: -98.7 MB). There was no memory consumed. Max. memory is 50.3 GB. 18.40/9.11 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 18.40/9.11 - AllSpecificationsHoldResult: All specifications hold 18.40/9.11 We were not able to verify any specifiation because the program does not contain any specification. 18.40/9.11 - InvariantResult [Line: 6]: Loop Invariant 18.40/9.11 Derived loop invariant: 1 18.40/9.11 - StatisticsResult: Ultimate Automizer benchmark data 18.40/9.11 CFG has 1 procedures, 4 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=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 18.40/9.11 - StatisticsResult: Constructed decomposition of program 18.40/9.11 Your program was decomposed into 4 terminating modules (0 trivial, 0 deterministic, 4 nondeterministic). One nondeterministic module has affine ranking function -2 * z + 2 * x + 1 and consists of 3 locations. One nondeterministic module has affine ranking function -2 * z + 2 * x + 1 and consists of 3 locations. One nondeterministic module has affine ranking function -1 * x + z and consists of 3 locations. One nondeterministic module has affine ranking function -1 * x + y and consists of 5 locations. 18.40/9.11 - StatisticsResult: Timing statistics 18.40/9.11 BüchiAutomizer plugin needed 3.6s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 3/3 HoareTripleCheckerStatistics: 20 SDtfs, 34 SDslu, 8 SDs, 0 SdLazy, 33 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp74 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq148 hnf94 smp95 dnf100 smp100 tf110 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.0s 18.40/9.11 - TerminationAnalysisResult: Termination proven 18.40/9.11 Buchi Automizer proved that your program is terminating 18.40/9.11 RESULT: Ultimate proved your program to be correct! 18.40/9.11 !SESSION 2019-03-28 12:07:55.555 ----------------------------------------------- 18.40/9.11 eclipse.buildId=unknown 18.40/9.11 java.version=1.8.0_181 18.40/9.11 java.vendor=Oracle Corporation 18.40/9.11 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 18.40/9.11 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 18.40/9.11 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 18.40/9.11 18.40/9.11 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:08:03.664 18.40/9.11 !MESSAGE The workspace will exit with unsaved changes in this session. 18.40/9.11 Received shutdown request... 18.40/9.11 Ultimate: 18.40/9.11 GTK+ Version Check 18.40/9.11 EOF