18.76/9.48 YES 18.76/9.48 18.76/9.48 Ultimate: Cannot open display: 18.76/9.48 This is Ultimate 0.1.24-8dc7c08-m 18.76/9.48 [2019-03-28 22:23:45,050 INFO L170 SettingsManager]: Resetting all preferences to default values... 18.76/9.48 [2019-03-28 22:23:45,053 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 18.76/9.48 [2019-03-28 22:23:45,064 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 18.76/9.48 [2019-03-28 22:23:45,064 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 18.76/9.48 [2019-03-28 22:23:45,065 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 18.76/9.48 [2019-03-28 22:23:45,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 18.76/9.48 [2019-03-28 22:23:45,068 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 18.76/9.48 [2019-03-28 22:23:45,070 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 18.76/9.48 [2019-03-28 22:23:45,071 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 18.76/9.48 [2019-03-28 22:23:45,072 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 18.76/9.48 [2019-03-28 22:23:45,072 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 18.76/9.48 [2019-03-28 22:23:45,073 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 18.76/9.48 [2019-03-28 22:23:45,074 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 18.76/9.48 [2019-03-28 22:23:45,075 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 18.76/9.48 [2019-03-28 22:23:45,075 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 18.76/9.48 [2019-03-28 22:23:45,076 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 18.76/9.48 [2019-03-28 22:23:45,078 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 18.76/9.48 [2019-03-28 22:23:45,080 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 18.76/9.48 [2019-03-28 22:23:45,081 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 18.76/9.48 [2019-03-28 22:23:45,083 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 18.76/9.48 [2019-03-28 22:23:45,084 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 18.76/9.48 [2019-03-28 22:23:45,087 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 18.76/9.48 [2019-03-28 22:23:45,087 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 18.76/9.48 [2019-03-28 22:23:45,087 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 18.76/9.48 [2019-03-28 22:23:45,088 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 18.76/9.48 [2019-03-28 22:23:45,089 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 18.76/9.48 [2019-03-28 22:23:45,089 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 18.76/9.48 [2019-03-28 22:23:45,090 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 18.76/9.48 [2019-03-28 22:23:45,090 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 18.76/9.48 [2019-03-28 22:23:45,091 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 18.76/9.48 [2019-03-28 22:23:45,092 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 18.76/9.48 [2019-03-28 22:23:45,093 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 18.76/9.48 [2019-03-28 22:23:45,093 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 18.76/9.48 [2019-03-28 22:23:45,093 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 18.76/9.48 [2019-03-28 22:23:45,094 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 18.76/9.48 [2019-03-28 22:23:45,094 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 18.76/9.48 [2019-03-28 22:23:45,095 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 18.76/9.48 [2019-03-28 22:23:45,095 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 18.76/9.48 [2019-03-28 22:23:45,096 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 18.76/9.48 [2019-03-28 22:23:45,110 INFO L110 SettingsManager]: Loading preferences was successful 18.76/9.48 [2019-03-28 22:23:45,111 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 18.76/9.48 [2019-03-28 22:23:45,112 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 18.76/9.48 [2019-03-28 22:23:45,112 INFO L133 SettingsManager]: * Rewrite not-equals=true 18.76/9.48 [2019-03-28 22:23:45,112 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 18.76/9.48 [2019-03-28 22:23:45,112 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 18.76/9.48 [2019-03-28 22:23:45,113 INFO L133 SettingsManager]: * Use SBE=true 18.76/9.48 [2019-03-28 22:23:45,113 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 18.76/9.48 [2019-03-28 22:23:45,113 INFO L133 SettingsManager]: * Use old map elimination=false 18.76/9.48 [2019-03-28 22:23:45,113 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 18.76/9.48 [2019-03-28 22:23:45,113 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 18.76/9.48 [2019-03-28 22:23:45,114 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 18.76/9.48 [2019-03-28 22:23:45,114 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 18.76/9.48 [2019-03-28 22:23:45,114 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 18.76/9.48 [2019-03-28 22:23:45,114 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.48 [2019-03-28 22:23:45,114 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 18.76/9.48 [2019-03-28 22:23:45,115 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 18.76/9.48 [2019-03-28 22:23:45,115 INFO L133 SettingsManager]: * Check division by zero=IGNORE 18.76/9.48 [2019-03-28 22:23:45,115 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 18.76/9.48 [2019-03-28 22:23:45,115 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 18.76/9.48 [2019-03-28 22:23:45,115 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 18.76/9.48 [2019-03-28 22:23:45,116 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 18.76/9.48 [2019-03-28 22:23:45,116 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 18.76/9.48 [2019-03-28 22:23:45,116 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 18.76/9.48 [2019-03-28 22:23:45,116 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 18.76/9.48 [2019-03-28 22:23:45,116 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 18.76/9.48 [2019-03-28 22:23:45,117 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 18.76/9.48 [2019-03-28 22:23:45,117 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 18.76/9.48 [2019-03-28 22:23:45,117 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 18.76/9.48 [2019-03-28 22:23:45,142 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 18.76/9.48 [2019-03-28 22:23:45,155 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 18.76/9.48 [2019-03-28 22:23:45,158 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 18.76/9.48 [2019-03-28 22:23:45,160 INFO L271 PluginConnector]: Initializing CDTParser... 18.76/9.48 [2019-03-28 22:23:45,160 INFO L276 PluginConnector]: CDTParser initialized 18.76/9.48 [2019-03-28 22:23:45,161 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 18.76/9.48 [2019-03-28 22:23:45,223 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/27e18dfe4c46450eb15118d1c1fb2851/FLAGc0137d011 18.76/9.48 [2019-03-28 22:23:45,568 INFO L307 CDTParser]: Found 1 translation units. 18.76/9.48 [2019-03-28 22:23:45,569 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 18.76/9.48 [2019-03-28 22:23:45,576 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/27e18dfe4c46450eb15118d1c1fb2851/FLAGc0137d011 18.76/9.48 [2019-03-28 22:23:45,983 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/27e18dfe4c46450eb15118d1c1fb2851 18.76/9.48 [2019-03-28 22:23:45,994 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 18.76/9.48 [2019-03-28 22:23:45,996 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 18.76/9.48 [2019-03-28 22:23:45,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 18.76/9.48 [2019-03-28 22:23:45,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 18.76/9.48 [2019-03-28 22:23:46,001 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 18.76/9.48 [2019-03-28 22:23:46,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:23:45" (1/1) ... 18.76/9.48 [2019-03-28 22:23:46,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c19f1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:46, skipping insertion in model container 18.76/9.48 [2019-03-28 22:23:46,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:23:45" (1/1) ... 18.76/9.48 [2019-03-28 22:23:46,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 18.76/9.48 [2019-03-28 22:23:46,030 INFO L176 MainTranslator]: Built tables and reachable declarations 18.76/9.48 [2019-03-28 22:23:46,187 INFO L206 PostProcessor]: Analyzing one entry point: main 18.76/9.48 [2019-03-28 22:23:46,192 INFO L191 MainTranslator]: Completed pre-run 18.76/9.48 [2019-03-28 22:23:46,209 INFO L206 PostProcessor]: Analyzing one entry point: main 18.76/9.48 [2019-03-28 22:23:46,287 INFO L195 MainTranslator]: Completed translation 18.76/9.48 [2019-03-28 22:23:46,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:46 WrapperNode 18.76/9.48 [2019-03-28 22:23:46,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 18.76/9.48 [2019-03-28 22:23:46,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 18.76/9.48 [2019-03-28 22:23:46,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 18.76/9.48 [2019-03-28 22:23:46,289 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 18.76/9.48 [2019-03-28 22:23:46,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:46" (1/1) ... 18.76/9.48 [2019-03-28 22:23:46,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:46" (1/1) ... 18.76/9.48 [2019-03-28 22:23:46,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 18.76/9.48 [2019-03-28 22:23:46,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 18.76/9.48 [2019-03-28 22:23:46,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 18.76/9.48 [2019-03-28 22:23:46,326 INFO L276 PluginConnector]: Boogie Preprocessor initialized 18.76/9.48 [2019-03-28 22:23:46,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:46" (1/1) ... 18.76/9.48 [2019-03-28 22:23:46,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:46" (1/1) ... 18.76/9.48 [2019-03-28 22:23:46,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:46" (1/1) ... 18.76/9.48 [2019-03-28 22:23:46,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:46" (1/1) ... 18.76/9.48 [2019-03-28 22:23:46,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:46" (1/1) ... 18.76/9.48 [2019-03-28 22:23:46,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:46" (1/1) ... 18.76/9.48 [2019-03-28 22:23:46,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:46" (1/1) ... 18.76/9.48 [2019-03-28 22:23:46,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 18.76/9.48 [2019-03-28 22:23:46,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 18.76/9.48 [2019-03-28 22:23:46,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... 18.76/9.48 [2019-03-28 22:23:46,348 INFO L276 PluginConnector]: RCFGBuilder initialized 18.76/9.48 [2019-03-28 22:23:46,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:46" (1/1) ... 18.76/9.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.76/9.48 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 18.76/9.48 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 18.76/9.48 [2019-03-28 22:23:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 18.76/9.48 [2019-03-28 22:23:46,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 18.76/9.48 [2019-03-28 22:23:46,559 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 18.76/9.48 [2019-03-28 22:23:46,559 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 18.76/9.48 [2019-03-28 22:23:46,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:23:46 BoogieIcfgContainer 18.76/9.48 [2019-03-28 22:23:46,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 18.76/9.48 [2019-03-28 22:23:46,561 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 18.76/9.48 [2019-03-28 22:23:46,562 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 18.76/9.48 [2019-03-28 22:23:46,564 INFO L276 PluginConnector]: BlockEncodingV2 initialized 18.76/9.48 [2019-03-28 22:23:46,565 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:23:46" (1/1) ... 18.76/9.48 [2019-03-28 22:23:46,581 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 10 edges 18.76/9.48 [2019-03-28 22:23:46,583 INFO L258 BlockEncoder]: Using Remove infeasible edges 18.76/9.48 [2019-03-28 22:23:46,583 INFO L263 BlockEncoder]: Using Maximize final states 18.76/9.48 [2019-03-28 22:23:46,584 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 18.76/9.48 [2019-03-28 22:23:46,584 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 18.76/9.48 [2019-03-28 22:23:46,586 INFO L296 BlockEncoder]: Using Remove sink states 18.76/9.48 [2019-03-28 22:23:46,587 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 18.76/9.48 [2019-03-28 22:23:46,588 INFO L179 BlockEncoder]: Using Rewrite not-equals 18.76/9.48 [2019-03-28 22:23:46,603 INFO L185 BlockEncoder]: Using Use SBE 18.76/9.48 [2019-03-28 22:23:46,611 INFO L200 BlockEncoder]: SBE split 0 edges 18.76/9.48 [2019-03-28 22:23:46,617 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 18.76/9.48 [2019-03-28 22:23:46,620 INFO L71 MaximizeFinalStates]: 0 new accepting states 18.76/9.48 [2019-03-28 22:23:46,633 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 18.76/9.48 [2019-03-28 22:23:46,635 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 18.76/9.48 [2019-03-28 22:23:46,637 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 18.76/9.48 [2019-03-28 22:23:46,637 INFO L71 MaximizeFinalStates]: 0 new accepting states 18.76/9.48 [2019-03-28 22:23:46,637 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 18.76/9.48 [2019-03-28 22:23:46,638 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 18.76/9.48 [2019-03-28 22:23:46,638 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 5 edges 18.76/9.48 [2019-03-28 22:23:46,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:23:46 BasicIcfg 18.76/9.48 [2019-03-28 22:23:46,638 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 18.76/9.48 [2019-03-28 22:23:46,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 18.76/9.48 [2019-03-28 22:23:46,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... 18.76/9.48 [2019-03-28 22:23:46,643 INFO L276 PluginConnector]: TraceAbstraction initialized 18.76/9.48 [2019-03-28 22:23:46,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:23:45" (1/4) ... 18.76/9.48 [2019-03-28 22:23:46,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d119cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:23:46, skipping insertion in model container 18.76/9.48 [2019-03-28 22:23:46,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:46" (2/4) ... 18.76/9.48 [2019-03-28 22:23:46,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d119cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:23:46, skipping insertion in model container 18.76/9.48 [2019-03-28 22:23:46,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:23:46" (3/4) ... 18.76/9.48 [2019-03-28 22:23:46,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d119cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:23:46, skipping insertion in model container 18.76/9.48 [2019-03-28 22:23:46,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:23:46" (4/4) ... 18.76/9.48 [2019-03-28 22:23:46,647 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 18.76/9.48 [2019-03-28 22:23:46,657 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 18.76/9.48 [2019-03-28 22:23:46,666 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 18.76/9.48 [2019-03-28 22:23:46,684 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 18.76/9.48 [2019-03-28 22:23:46,713 INFO L133 ementStrategyFactory]: Using default assertion order modulation 18.76/9.48 [2019-03-28 22:23:46,714 INFO L382 AbstractCegarLoop]: Interprodecural is true 18.76/9.48 [2019-03-28 22:23:46,714 INFO L383 AbstractCegarLoop]: Hoare is true 18.76/9.48 [2019-03-28 22:23:46,714 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 18.76/9.48 [2019-03-28 22:23:46,714 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 18.76/9.48 [2019-03-28 22:23:46,715 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 18.76/9.48 [2019-03-28 22:23:46,715 INFO L387 AbstractCegarLoop]: Difference is false 18.76/9.48 [2019-03-28 22:23:46,715 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 18.76/9.48 [2019-03-28 22:23:46,715 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 18.76/9.48 [2019-03-28 22:23:46,729 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 18.76/9.48 [2019-03-28 22:23:46,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 18.76/9.48 [2019-03-28 22:23:46,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 18.76/9.48 [2019-03-28 22:23:46,788 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 18.76/9.48 [2019-03-28 22:23:46,788 INFO L448 ceAbstractionStarter]: For program point L12(lines 12 16) no Hoare annotation was computed. 18.76/9.48 [2019-03-28 22:23:46,788 INFO L448 ceAbstractionStarter]: For program point L12-2(lines 12 16) no Hoare annotation was computed. 18.76/9.48 [2019-03-28 22:23:46,789 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 18) the Hoare annotation is: true 18.76/9.48 [2019-03-28 22:23:46,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:23:46 BasicIcfg 18.76/9.48 [2019-03-28 22:23:46,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 18.76/9.48 [2019-03-28 22:23:46,798 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 18.76/9.48 [2019-03-28 22:23:46,798 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 18.76/9.48 [2019-03-28 22:23:46,801 INFO L276 PluginConnector]: BuchiAutomizer initialized 18.76/9.48 [2019-03-28 22:23:46,802 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.76/9.48 [2019-03-28 22:23:46,802 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:23:45" (1/5) ... 18.76/9.48 [2019-03-28 22:23:46,803 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f7a663e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:23:46, skipping insertion in model container 18.76/9.48 [2019-03-28 22:23:46,803 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.76/9.48 [2019-03-28 22:23:46,803 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:23:46" (2/5) ... 18.76/9.48 [2019-03-28 22:23:46,804 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f7a663e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:23:46, skipping insertion in model container 18.76/9.48 [2019-03-28 22:23:46,804 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.76/9.48 [2019-03-28 22:23:46,804 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:23:46" (3/5) ... 18.76/9.48 [2019-03-28 22:23:46,804 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f7a663e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:23:46, skipping insertion in model container 18.76/9.48 [2019-03-28 22:23:46,805 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.76/9.48 [2019-03-28 22:23:46,805 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:23:46" (4/5) ... 18.76/9.48 [2019-03-28 22:23:46,805 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f7a663e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:23:46, skipping insertion in model container 18.76/9.48 [2019-03-28 22:23:46,805 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.76/9.48 [2019-03-28 22:23:46,805 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:23:46" (5/5) ... 18.76/9.48 [2019-03-28 22:23:46,807 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 18.76/9.48 [2019-03-28 22:23:46,842 INFO L133 ementStrategyFactory]: Using default assertion order modulation 18.76/9.48 [2019-03-28 22:23:46,842 INFO L374 BuchiCegarLoop]: Interprodecural is true 18.76/9.48 [2019-03-28 22:23:46,842 INFO L375 BuchiCegarLoop]: Hoare is true 18.76/9.48 [2019-03-28 22:23:46,842 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 18.76/9.48 [2019-03-28 22:23:46,843 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 18.76/9.48 [2019-03-28 22:23:46,843 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 18.76/9.48 [2019-03-28 22:23:46,843 INFO L379 BuchiCegarLoop]: Difference is false 18.76/9.48 [2019-03-28 22:23:46,843 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 18.76/9.48 [2019-03-28 22:23:46,843 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 18.76/9.48 [2019-03-28 22:23:46,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 18.76/9.48 [2019-03-28 22:23:46,864 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 18.76/9.48 [2019-03-28 22:23:46,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.76/9.48 [2019-03-28 22:23:46,864 INFO L119 BuchiIsEmpty]: Starting construction of run 18.76/9.48 [2019-03-28 22:23:46,870 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.76/9.48 [2019-03-28 22:23:46,870 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 18.76/9.48 [2019-03-28 22:23:46,870 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 18.76/9.48 [2019-03-28 22:23:46,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 18.76/9.48 [2019-03-28 22:23:46,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 18.76/9.48 [2019-03-28 22:23:46,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.76/9.48 [2019-03-28 22:23:46,871 INFO L119 BuchiIsEmpty]: Starting construction of run 18.76/9.48 [2019-03-28 22:23:46,871 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 18.76/9.48 [2019-03-28 22:23:46,871 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 18.76/9.48 [2019-03-28 22:23:46,877 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [26] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 6#L11-2true 18.76/9.48 [2019-03-28 22:23:46,877 INFO L796 eck$LassoCheckResult]: Loop: 6#L11-2true [34] L11-2-->L12: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 5#L12true [36] L12-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~z~0_7 (+ v_ULTIMATE.start_main_~z~0_8 1)) (>= v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~z~0_8)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0] 3#L12-2true [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 6#L11-2true 18.76/9.48 [2019-03-28 22:23:46,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.76/9.48 [2019-03-28 22:23:46,884 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times 18.76/9.48 [2019-03-28 22:23:46,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.76/9.48 [2019-03-28 22:23:46,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.76/9.48 [2019-03-28 22:23:46,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:46,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:46,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.48 [2019-03-28 22:23:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.48 [2019-03-28 22:23:46,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.76/9.48 [2019-03-28 22:23:46,959 INFO L82 PathProgramCache]: Analyzing trace with hash 63606, now seen corresponding path program 1 times 18.76/9.48 [2019-03-28 22:23:46,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.76/9.48 [2019-03-28 22:23:46,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.76/9.48 [2019-03-28 22:23:46,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:46,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:46,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.48 [2019-03-28 22:23:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.48 [2019-03-28 22:23:46,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.76/9.48 [2019-03-28 22:23:46,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1731902, now seen corresponding path program 1 times 18.76/9.48 [2019-03-28 22:23:46,974 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.76/9.48 [2019-03-28 22:23:46,974 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.76/9.48 [2019-03-28 22:23:46,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:46,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:46,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.48 [2019-03-28 22:23:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.48 [2019-03-28 22:23:47,034 INFO L216 LassoAnalysis]: Preferences: 18.76/9.48 [2019-03-28 22:23:47,036 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.76/9.48 [2019-03-28 22:23:47,036 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.76/9.48 [2019-03-28 22:23:47,036 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.76/9.48 [2019-03-28 22:23:47,036 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.76/9.48 [2019-03-28 22:23:47,037 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.48 [2019-03-28 22:23:47,037 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.76/9.48 [2019-03-28 22:23:47,037 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.76/9.48 [2019-03-28 22:23:47,037 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 18.76/9.48 [2019-03-28 22:23:47,037 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.76/9.48 [2019-03-28 22:23:47,038 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.76/9.48 [2019-03-28 22:23:47,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.48 [2019-03-28 22:23:47,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.48 [2019-03-28 22:23:47,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.48 [2019-03-28 22:23:47,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.48 [2019-03-28 22:23:47,198 INFO L300 LassoAnalysis]: Preprocessing complete. 18.76/9.48 [2019-03-28 22:23:47,198 INFO L412 LassoAnalysis]: Checking for nontermination... 18.76/9.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.76/9.48 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.76/9.48 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.48 [2019-03-28 22:23:47,205 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.76/9.48 [2019-03-28 22:23:47,206 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.76/9.48 [2019-03-28 22:23:47,239 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.76/9.48 [2019-03-28 22:23:47,240 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.76/9.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.76/9.48 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.76/9.48 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.48 [2019-03-28 22:23:47,246 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.76/9.48 [2019-03-28 22:23:47,246 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.76/9.48 [2019-03-28 22:23:47,275 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.76/9.48 [2019-03-28 22:23:47,275 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.76/9.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.76/9.48 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.76/9.48 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.48 [2019-03-28 22:23:47,280 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.76/9.48 [2019-03-28 22:23:47,281 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.76/9.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.76/9.48 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.76/9.48 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.48 [2019-03-28 22:23:47,311 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.76/9.48 [2019-03-28 22:23:47,312 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.76/9.48 [2019-03-28 22:23:47,349 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.76/9.48 [2019-03-28 22:23:47,349 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 18.76/9.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.76/9.48 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.76/9.48 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.48 [2019-03-28 22:23:47,377 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.76/9.48 [2019-03-28 22:23:47,377 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.76/9.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.76/9.48 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.76/9.48 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.48 [2019-03-28 22:23:47,408 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.76/9.48 [2019-03-28 22:23:47,409 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.76/9.48 [2019-03-28 22:23:47,720 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.76/9.48 [2019-03-28 22:23:47,724 INFO L216 LassoAnalysis]: Preferences: 18.76/9.48 [2019-03-28 22:23:47,738 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.76/9.48 [2019-03-28 22:23:47,738 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.76/9.48 [2019-03-28 22:23:47,739 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.76/9.48 [2019-03-28 22:23:47,739 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.76/9.48 [2019-03-28 22:23:47,739 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.76/9.48 [2019-03-28 22:23:47,739 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.76/9.48 [2019-03-28 22:23:47,739 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.76/9.48 [2019-03-28 22:23:47,739 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 18.76/9.48 [2019-03-28 22:23:47,739 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.76/9.48 [2019-03-28 22:23:47,740 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.76/9.48 [2019-03-28 22:23:47,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.48 [2019-03-28 22:23:47,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.48 [2019-03-28 22:23:47,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.48 [2019-03-28 22:23:47,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.48 [2019-03-28 22:23:47,847 INFO L300 LassoAnalysis]: Preprocessing complete. 18.76/9.48 [2019-03-28 22:23:47,853 INFO L497 LassoAnalysis]: Using template 'affine'. 18.76/9.48 [2019-03-28 22:23:47,855 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.76/9.48 Termination analysis: LINEAR_WITH_GUESSES 18.76/9.48 Number of strict supporting invariants: 0 18.76/9.48 Number of non-strict supporting invariants: 1 18.76/9.48 Consider only non-deceasing supporting invariants: true 18.76/9.48 Simplify termination arguments: true 18.76/9.48 Simplify supporting invariants: trueOverapproximate stem: false 18.76/9.48 [2019-03-28 22:23:47,857 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.76/9.48 [2019-03-28 22:23:47,857 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.76/9.48 [2019-03-28 22:23:47,857 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.76/9.48 [2019-03-28 22:23:47,857 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.76/9.48 [2019-03-28 22:23:47,862 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 18.76/9.48 [2019-03-28 22:23:47,862 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 18.76/9.48 [2019-03-28 22:23:47,871 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.76/9.48 [2019-03-28 22:23:47,872 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.76/9.48 Termination analysis: LINEAR_WITH_GUESSES 18.76/9.48 Number of strict supporting invariants: 0 18.76/9.48 Number of non-strict supporting invariants: 1 18.76/9.48 Consider only non-deceasing supporting invariants: true 18.76/9.48 Simplify termination arguments: true 18.76/9.48 Simplify supporting invariants: trueOverapproximate stem: false 18.76/9.48 [2019-03-28 22:23:47,872 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.76/9.48 [2019-03-28 22:23:47,872 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.76/9.48 [2019-03-28 22:23:47,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.76/9.48 [2019-03-28 22:23:47,873 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.76/9.48 [2019-03-28 22:23:47,875 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 18.76/9.48 [2019-03-28 22:23:47,875 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 18.76/9.48 [2019-03-28 22:23:47,883 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.76/9.48 [2019-03-28 22:23:47,884 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.76/9.48 Termination analysis: LINEAR_WITH_GUESSES 18.76/9.48 Number of strict supporting invariants: 0 18.76/9.48 Number of non-strict supporting invariants: 1 18.76/9.48 Consider only non-deceasing supporting invariants: true 18.76/9.48 Simplify termination arguments: true 18.76/9.48 Simplify supporting invariants: trueOverapproximate stem: false 18.76/9.48 [2019-03-28 22:23:47,884 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.76/9.48 [2019-03-28 22:23:47,884 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.76/9.48 [2019-03-28 22:23:47,885 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.76/9.48 [2019-03-28 22:23:47,885 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.76/9.48 [2019-03-28 22:23:47,885 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.76/9.48 [2019-03-28 22:23:47,887 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.76/9.48 [2019-03-28 22:23:47,888 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.76/9.48 [2019-03-28 22:23:47,893 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.76/9.48 [2019-03-28 22:23:47,894 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.76/9.48 Termination analysis: LINEAR_WITH_GUESSES 18.76/9.48 Number of strict supporting invariants: 0 18.76/9.48 Number of non-strict supporting invariants: 1 18.76/9.48 Consider only non-deceasing supporting invariants: true 18.76/9.48 Simplify termination arguments: true 18.76/9.48 Simplify supporting invariants: trueOverapproximate stem: false 18.76/9.48 [2019-03-28 22:23:47,894 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.76/9.48 [2019-03-28 22:23:47,895 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.76/9.48 [2019-03-28 22:23:47,895 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.76/9.48 [2019-03-28 22:23:47,895 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.76/9.48 [2019-03-28 22:23:47,895 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.76/9.48 [2019-03-28 22:23:47,896 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.76/9.48 [2019-03-28 22:23:47,896 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.76/9.48 [2019-03-28 22:23:47,902 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.76/9.48 [2019-03-28 22:23:47,911 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 18.76/9.48 [2019-03-28 22:23:47,911 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 18.76/9.48 [2019-03-28 22:23:47,913 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.76/9.48 [2019-03-28 22:23:47,914 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.76/9.48 [2019-03-28 22:23:47,914 INFO L518 LassoAnalysis]: Proved termination. 18.76/9.48 [2019-03-28 22:23:47,914 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.76/9.48 Ranking function f(ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~z~0 + 2*ULTIMATE.start_main_~x~0 + 1 18.76/9.48 Supporting invariants [] 18.76/9.48 [2019-03-28 22:23:47,916 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.76/9.48 [2019-03-28 22:23:47,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.76/9.48 [2019-03-28 22:23:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.76/9.48 [2019-03-28 22:23:47,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 18.76/9.48 [2019-03-28 22:23:47,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.76/9.48 [2019-03-28 22:23:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.76/9.48 [2019-03-28 22:23:47,973 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 18.76/9.48 [2019-03-28 22:23:47,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.76/9.48 [2019-03-28 22:23:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.76/9.48 [2019-03-28 22:23:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.76/9.48 [2019-03-28 22:23:48,029 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 18.76/9.48 [2019-03-28 22:23:48,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.76/9.48 [2019-03-28 22:23:48,030 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 18.76/9.48 [2019-03-28 22:23:48,035 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 18.76/9.48 [2019-03-28 22:23:48,036 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 4 states. 18.76/9.48 [2019-03-28 22:23:48,065 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. 18.76/9.48 [2019-03-28 22:23:48,065 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 18.76/9.48 [2019-03-28 22:23:48,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 18.76/9.48 [2019-03-28 22:23:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. 18.76/9.48 [2019-03-28 22:23:48,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 1 letters. Loop has 3 letters. 18.76/9.48 [2019-03-28 22:23:48,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.76/9.48 [2019-03-28 22:23:48,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 4 letters. Loop has 3 letters. 18.76/9.48 [2019-03-28 22:23:48,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.76/9.48 [2019-03-28 22:23:48,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 1 letters. Loop has 6 letters. 18.76/9.48 [2019-03-28 22:23:48,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.76/9.48 [2019-03-28 22:23:48,078 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 14 transitions. 18.76/9.48 [2019-03-28 22:23:48,079 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 18.76/9.48 [2019-03-28 22:23:48,084 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 14 transitions. 18.76/9.48 [2019-03-28 22:23:48,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 18.76/9.48 [2019-03-28 22:23:48,086 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 18.76/9.48 [2019-03-28 22:23:48,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. 18.76/9.48 [2019-03-28 22:23:48,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.76/9.48 [2019-03-28 22:23:48,087 INFO L706 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. 18.76/9.48 [2019-03-28 22:23:48,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. 18.76/9.48 [2019-03-28 22:23:48,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. 18.76/9.48 [2019-03-28 22:23:48,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 18.76/9.48 [2019-03-28 22:23:48,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. 18.76/9.48 [2019-03-28 22:23:48,118 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. 18.76/9.48 [2019-03-28 22:23:48,118 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. 18.76/9.48 [2019-03-28 22:23:48,118 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 18.76/9.48 [2019-03-28 22:23:48,119 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. 18.76/9.48 [2019-03-28 22:23:48,119 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 18.76/9.48 [2019-03-28 22:23:48,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.76/9.48 [2019-03-28 22:23:48,119 INFO L119 BuchiIsEmpty]: Starting construction of run 18.76/9.48 [2019-03-28 22:23:48,120 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 18.76/9.48 [2019-03-28 22:23:48,120 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 18.76/9.48 [2019-03-28 22:23:48,121 INFO L794 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 62#L11-2 [34] L11-2-->L12: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 63#L12 [27] L12-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~z~0_6) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 1))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 56#L12-2 18.76/9.48 [2019-03-28 22:23:48,121 INFO L796 eck$LassoCheckResult]: Loop: 56#L12-2 [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 57#L11-2 [34] L11-2-->L12: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 65#L12 [36] L12-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~z~0_7 (+ v_ULTIMATE.start_main_~z~0_8 1)) (>= v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~z~0_8)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0] 56#L12-2 18.76/9.48 [2019-03-28 22:23:48,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.76/9.48 [2019-03-28 22:23:48,121 INFO L82 PathProgramCache]: Analyzing trace with hash 55858, now seen corresponding path program 1 times 18.76/9.48 [2019-03-28 22:23:48,121 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.76/9.48 [2019-03-28 22:23:48,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.76/9.48 [2019-03-28 22:23:48,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:48,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:48,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.48 [2019-03-28 22:23:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.48 [2019-03-28 22:23:48,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.76/9.48 [2019-03-28 22:23:48,133 INFO L82 PathProgramCache]: Analyzing trace with hash 54906, now seen corresponding path program 2 times 18.76/9.48 [2019-03-28 22:23:48,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.76/9.48 [2019-03-28 22:23:48,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.76/9.48 [2019-03-28 22:23:48,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:48,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:48,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.48 [2019-03-28 22:23:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.48 [2019-03-28 22:23:48,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.76/9.48 [2019-03-28 22:23:48,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1664090793, now seen corresponding path program 1 times 18.76/9.48 [2019-03-28 22:23:48,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.76/9.48 [2019-03-28 22:23:48,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.76/9.48 [2019-03-28 22:23:48,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:48,143 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:48,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.48 [2019-03-28 22:23:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.48 [2019-03-28 22:23:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.48 [2019-03-28 22:23:48,173 INFO L216 LassoAnalysis]: Preferences: 18.76/9.48 [2019-03-28 22:23:48,173 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.76/9.48 [2019-03-28 22:23:48,173 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.76/9.48 [2019-03-28 22:23:48,173 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.76/9.48 [2019-03-28 22:23:48,173 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.76/9.48 [2019-03-28 22:23:48,173 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.48 [2019-03-28 22:23:48,174 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.76/9.48 [2019-03-28 22:23:48,174 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.76/9.48 [2019-03-28 22:23:48,174 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 18.76/9.48 [2019-03-28 22:23:48,174 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.76/9.48 [2019-03-28 22:23:48,174 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.76/9.48 [2019-03-28 22:23:48,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.48 [2019-03-28 22:23:48,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.48 [2019-03-28 22:23:48,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.48 [2019-03-28 22:23:48,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.48 [2019-03-28 22:23:48,252 INFO L300 LassoAnalysis]: Preprocessing complete. 18.76/9.48 [2019-03-28 22:23:48,252 INFO L412 LassoAnalysis]: Checking for nontermination... 18.76/9.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.76/9.48 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.76/9.48 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.48 [2019-03-28 22:23:48,259 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.76/9.48 [2019-03-28 22:23:48,260 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.76/9.48 [2019-03-28 22:23:48,288 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.76/9.48 [2019-03-28 22:23:48,288 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.76/9.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.76/9.48 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.76/9.48 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.48 [2019-03-28 22:23:48,293 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.76/9.48 [2019-03-28 22:23:48,293 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.76/9.48 [2019-03-28 22:23:48,322 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.76/9.48 [2019-03-28 22:23:48,322 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.76/9.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.76/9.48 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.76/9.48 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.48 [2019-03-28 22:23:48,328 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.76/9.48 [2019-03-28 22:23:48,328 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.76/9.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.76/9.48 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.76/9.48 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.48 [2019-03-28 22:23:48,363 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.76/9.48 [2019-03-28 22:23:48,363 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.76/9.48 [2019-03-28 22:23:48,715 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.76/9.48 [2019-03-28 22:23:48,718 INFO L216 LassoAnalysis]: Preferences: 18.76/9.48 [2019-03-28 22:23:48,718 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.76/9.48 [2019-03-28 22:23:48,719 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.76/9.48 [2019-03-28 22:23:48,719 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.76/9.48 [2019-03-28 22:23:48,719 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.76/9.48 [2019-03-28 22:23:48,719 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.76/9.48 [2019-03-28 22:23:48,719 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.76/9.48 [2019-03-28 22:23:48,720 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.76/9.48 [2019-03-28 22:23:48,720 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 18.76/9.48 [2019-03-28 22:23:48,720 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.76/9.48 [2019-03-28 22:23:48,720 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.76/9.48 [2019-03-28 22:23:48,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.48 [2019-03-28 22:23:48,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.48 [2019-03-28 22:23:48,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.48 [2019-03-28 22:23:48,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.48 [2019-03-28 22:23:48,808 INFO L300 LassoAnalysis]: Preprocessing complete. 18.76/9.48 [2019-03-28 22:23:48,809 INFO L497 LassoAnalysis]: Using template 'affine'. 18.76/9.48 [2019-03-28 22:23:48,809 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.76/9.48 Termination analysis: LINEAR_WITH_GUESSES 18.76/9.48 Number of strict supporting invariants: 0 18.76/9.48 Number of non-strict supporting invariants: 1 18.76/9.48 Consider only non-deceasing supporting invariants: true 18.76/9.48 Simplify termination arguments: true 18.76/9.48 Simplify supporting invariants: trueOverapproximate stem: false 18.76/9.48 [2019-03-28 22:23:48,810 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.76/9.48 [2019-03-28 22:23:48,810 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.76/9.48 [2019-03-28 22:23:48,811 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.76/9.48 [2019-03-28 22:23:48,811 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.76/9.48 [2019-03-28 22:23:48,813 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 18.76/9.48 [2019-03-28 22:23:48,813 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 18.76/9.48 [2019-03-28 22:23:48,818 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.76/9.48 [2019-03-28 22:23:48,818 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.76/9.48 Termination analysis: LINEAR_WITH_GUESSES 18.76/9.48 Number of strict supporting invariants: 0 18.76/9.48 Number of non-strict supporting invariants: 1 18.76/9.48 Consider only non-deceasing supporting invariants: true 18.76/9.48 Simplify termination arguments: true 18.76/9.48 Simplify supporting invariants: trueOverapproximate stem: false 18.76/9.48 [2019-03-28 22:23:48,819 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.76/9.48 [2019-03-28 22:23:48,819 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.76/9.48 [2019-03-28 22:23:48,819 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.76/9.48 [2019-03-28 22:23:48,819 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.76/9.48 [2019-03-28 22:23:48,820 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.76/9.48 [2019-03-28 22:23:48,820 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.76/9.48 [2019-03-28 22:23:48,820 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.76/9.48 [2019-03-28 22:23:48,825 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.76/9.48 [2019-03-28 22:23:48,830 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 18.76/9.48 [2019-03-28 22:23:48,830 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 18.76/9.48 [2019-03-28 22:23:48,831 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.76/9.48 [2019-03-28 22:23:48,831 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.76/9.48 [2019-03-28 22:23:48,831 INFO L518 LassoAnalysis]: Proved termination. 18.76/9.48 [2019-03-28 22:23:48,831 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.76/9.48 Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~z~0) = 2*ULTIMATE.start_main_~x~0 - 2*ULTIMATE.start_main_~z~0 + 1 18.76/9.48 Supporting invariants [] 18.76/9.48 [2019-03-28 22:23:48,832 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.76/9.48 [2019-03-28 22:23:48,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.76/9.48 [2019-03-28 22:23:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.76/9.48 [2019-03-28 22:23:48,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core 18.76/9.48 [2019-03-28 22:23:48,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.76/9.48 [2019-03-28 22:23:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.76/9.48 [2019-03-28 22:23:48,867 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 18.76/9.48 [2019-03-28 22:23:48,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.76/9.48 [2019-03-28 22:23:48,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.76/9.48 [2019-03-28 22:23:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.76/9.48 [2019-03-28 22:23:48,873 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 18.76/9.48 [2019-03-28 22:23:48,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.76/9.48 [2019-03-28 22:23:48,892 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 2 predicates after loop cannibalization 18.76/9.48 [2019-03-28 22:23:48,893 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 18.76/9.48 [2019-03-28 22:23:48,893 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 3 states. 18.76/9.48 [2019-03-28 22:23:48,906 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. 18.76/9.48 [2019-03-28 22:23:48,906 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 18.76/9.48 [2019-03-28 22:23:48,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 18.76/9.48 [2019-03-28 22:23:48,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 18.76/9.48 [2019-03-28 22:23:48,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 3 letters. 18.76/9.48 [2019-03-28 22:23:48,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.76/9.48 [2019-03-28 22:23:48,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 3 letters. 18.76/9.48 [2019-03-28 22:23:48,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.76/9.48 [2019-03-28 22:23:48,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 6 letters. 18.76/9.48 [2019-03-28 22:23:48,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.76/9.48 [2019-03-28 22:23:48,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 17 transitions. 18.76/9.48 [2019-03-28 22:23:48,911 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 18.76/9.48 [2019-03-28 22:23:48,912 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 17 transitions. 18.76/9.48 [2019-03-28 22:23:48,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 18.76/9.48 [2019-03-28 22:23:48,912 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 18.76/9.48 [2019-03-28 22:23:48,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. 18.76/9.48 [2019-03-28 22:23:48,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.76/9.48 [2019-03-28 22:23:48,913 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. 18.76/9.48 [2019-03-28 22:23:48,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. 18.76/9.48 [2019-03-28 22:23:48,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 8. 18.76/9.48 [2019-03-28 22:23:48,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 18.76/9.48 [2019-03-28 22:23:48,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. 18.76/9.49 [2019-03-28 22:23:48,914 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 18.76/9.49 [2019-03-28 22:23:48,915 INFO L609 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 18.76/9.49 [2019-03-28 22:23:48,915 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 18.76/9.49 [2019-03-28 22:23:48,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. 18.76/9.49 [2019-03-28 22:23:48,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 18.76/9.49 [2019-03-28 22:23:48,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.76/9.49 [2019-03-28 22:23:48,916 INFO L119 BuchiIsEmpty]: Starting construction of run 18.76/9.49 [2019-03-28 22:23:48,916 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 18.76/9.49 [2019-03-28 22:23:48,916 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 18.76/9.49 [2019-03-28 22:23:48,916 INFO L794 eck$LassoCheckResult]: Stem: 127#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 128#L11-2 [34] L11-2-->L12: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 129#L12 18.76/9.49 [2019-03-28 22:23:48,916 INFO L796 eck$LassoCheckResult]: Loop: 129#L12 [27] L12-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~z~0_6) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 1))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 123#L12-2 [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 125#L11-2 [34] L11-2-->L12: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 129#L12 18.76/9.49 [2019-03-28 22:23:48,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.76/9.49 [2019-03-28 22:23:48,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1801, now seen corresponding path program 1 times 18.76/9.49 [2019-03-28 22:23:48,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.76/9.49 [2019-03-28 22:23:48,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.76/9.49 [2019-03-28 22:23:48,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:48,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:48,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.49 [2019-03-28 22:23:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.49 [2019-03-28 22:23:48,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.76/9.49 [2019-03-28 22:23:48,925 INFO L82 PathProgramCache]: Analyzing trace with hash 56547, now seen corresponding path program 1 times 18.76/9.49 [2019-03-28 22:23:48,925 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.76/9.49 [2019-03-28 22:23:48,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.76/9.49 [2019-03-28 22:23:48,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:48,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:48,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.49 [2019-03-28 22:23:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.49 [2019-03-28 22:23:48,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.76/9.49 [2019-03-28 22:23:48,931 INFO L82 PathProgramCache]: Analyzing trace with hash 53680347, now seen corresponding path program 1 times 18.76/9.49 [2019-03-28 22:23:48,931 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.76/9.49 [2019-03-28 22:23:48,932 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.76/9.49 [2019-03-28 22:23:48,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:48,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:48,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.49 [2019-03-28 22:23:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.49 [2019-03-28 22:23:48,959 INFO L216 LassoAnalysis]: Preferences: 18.76/9.49 [2019-03-28 22:23:48,959 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.76/9.49 [2019-03-28 22:23:48,959 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.76/9.49 [2019-03-28 22:23:48,960 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.76/9.49 [2019-03-28 22:23:48,960 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.76/9.49 [2019-03-28 22:23:48,960 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.49 [2019-03-28 22:23:48,960 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.76/9.49 [2019-03-28 22:23:48,960 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.76/9.49 [2019-03-28 22:23:48,961 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 18.76/9.49 [2019-03-28 22:23:48,961 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.76/9.49 [2019-03-28 22:23:48,961 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.76/9.49 [2019-03-28 22:23:48,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.49 [2019-03-28 22:23:48,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.49 [2019-03-28 22:23:48,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.49 [2019-03-28 22:23:48,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.49 [2019-03-28 22:23:49,026 INFO L300 LassoAnalysis]: Preprocessing complete. 18.76/9.49 [2019-03-28 22:23:49,027 INFO L412 LassoAnalysis]: Checking for nontermination... 18.76/9.49 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.76/9.49 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.76/9.49 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.49 [2019-03-28 22:23:49,031 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.76/9.49 [2019-03-28 22:23:49,031 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.76/9.49 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.76/9.49 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.76/9.49 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.49 [2019-03-28 22:23:49,062 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.76/9.49 [2019-03-28 22:23:49,062 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.76/9.49 [2019-03-28 22:23:49,648 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.76/9.49 [2019-03-28 22:23:49,651 INFO L216 LassoAnalysis]: Preferences: 18.76/9.49 [2019-03-28 22:23:49,651 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.76/9.49 [2019-03-28 22:23:49,651 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.76/9.49 [2019-03-28 22:23:49,651 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.76/9.49 [2019-03-28 22:23:49,651 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.76/9.49 [2019-03-28 22:23:49,652 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.76/9.49 [2019-03-28 22:23:49,652 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.76/9.49 [2019-03-28 22:23:49,652 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.76/9.49 [2019-03-28 22:23:49,652 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 18.76/9.49 [2019-03-28 22:23:49,652 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.76/9.49 [2019-03-28 22:23:49,652 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.76/9.49 [2019-03-28 22:23:49,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.49 [2019-03-28 22:23:49,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.49 [2019-03-28 22:23:49,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.49 [2019-03-28 22:23:49,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.49 [2019-03-28 22:23:49,725 INFO L300 LassoAnalysis]: Preprocessing complete. 18.76/9.49 [2019-03-28 22:23:49,726 INFO L497 LassoAnalysis]: Using template 'affine'. 18.76/9.49 [2019-03-28 22:23:49,726 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.76/9.49 Termination analysis: LINEAR_WITH_GUESSES 18.76/9.49 Number of strict supporting invariants: 0 18.76/9.49 Number of non-strict supporting invariants: 1 18.76/9.49 Consider only non-deceasing supporting invariants: true 18.76/9.49 Simplify termination arguments: true 18.76/9.49 Simplify supporting invariants: trueOverapproximate stem: false 18.76/9.49 [2019-03-28 22:23:49,727 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.76/9.49 [2019-03-28 22:23:49,727 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.76/9.49 [2019-03-28 22:23:49,727 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.76/9.49 [2019-03-28 22:23:49,727 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.76/9.49 [2019-03-28 22:23:49,727 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.76/9.49 [2019-03-28 22:23:49,728 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.76/9.49 [2019-03-28 22:23:49,728 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.76/9.49 [2019-03-28 22:23:49,732 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.76/9.49 [2019-03-28 22:23:49,738 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 18.76/9.49 [2019-03-28 22:23:49,739 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 18.76/9.49 [2019-03-28 22:23:49,739 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.76/9.49 [2019-03-28 22:23:49,739 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.76/9.49 [2019-03-28 22:23:49,740 INFO L518 LassoAnalysis]: Proved termination. 18.76/9.49 [2019-03-28 22:23:49,740 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.76/9.49 Ranking function f(ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~z~0 - 1*ULTIMATE.start_main_~x~0 18.76/9.49 Supporting invariants [] 18.76/9.49 [2019-03-28 22:23:49,740 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.76/9.49 [2019-03-28 22:23:49,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.76/9.49 [2019-03-28 22:23:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.76/9.49 [2019-03-28 22:23:49,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core 18.76/9.49 [2019-03-28 22:23:49,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.76/9.49 [2019-03-28 22:23:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.76/9.49 [2019-03-28 22:23:49,767 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 18.76/9.49 [2019-03-28 22:23:49,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.76/9.49 [2019-03-28 22:23:49,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.76/9.49 [2019-03-28 22:23:49,796 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 18.76/9.49 [2019-03-28 22:23:49,796 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 18.76/9.49 [2019-03-28 22:23:49,796 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states and 11 transitions. cyclomatic complexity: 4 Second operand 3 states. 18.76/9.49 [2019-03-28 22:23:49,810 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. 18.76/9.49 [2019-03-28 22:23:49,810 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 18.76/9.49 [2019-03-28 22:23:49,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 18.76/9.49 [2019-03-28 22:23:49,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. 18.76/9.49 [2019-03-28 22:23:49,811 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 3 letters. 18.76/9.49 [2019-03-28 22:23:49,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.76/9.49 [2019-03-28 22:23:49,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 3 letters. 18.76/9.49 [2019-03-28 22:23:49,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.76/9.49 [2019-03-28 22:23:49,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 6 letters. 18.76/9.49 [2019-03-28 22:23:49,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.76/9.49 [2019-03-28 22:23:49,815 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. 18.76/9.49 [2019-03-28 22:23:49,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 18.76/9.49 [2019-03-28 22:23:49,816 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 12 states and 15 transitions. 18.76/9.49 [2019-03-28 22:23:49,817 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 18.76/9.49 [2019-03-28 22:23:49,817 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 18.76/9.49 [2019-03-28 22:23:49,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. 18.76/9.49 [2019-03-28 22:23:49,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.76/9.49 [2019-03-28 22:23:49,817 INFO L706 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. 18.76/9.49 [2019-03-28 22:23:49,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. 18.76/9.49 [2019-03-28 22:23:49,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. 18.76/9.49 [2019-03-28 22:23:49,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 18.76/9.49 [2019-03-28 22:23:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. 18.76/9.49 [2019-03-28 22:23:49,819 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. 18.76/9.49 [2019-03-28 22:23:49,819 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. 18.76/9.49 [2019-03-28 22:23:49,819 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 18.76/9.49 [2019-03-28 22:23:49,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. 18.76/9.49 [2019-03-28 22:23:49,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 18.76/9.49 [2019-03-28 22:23:49,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.76/9.49 [2019-03-28 22:23:49,820 INFO L119 BuchiIsEmpty]: Starting construction of run 18.76/9.49 [2019-03-28 22:23:49,820 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 18.76/9.49 [2019-03-28 22:23:49,820 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1] 18.76/9.49 [2019-03-28 22:23:49,821 INFO L794 eck$LassoCheckResult]: Stem: 189#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 190#L11-2 [34] L11-2-->L12: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 191#L12 18.76/9.49 [2019-03-28 22:23:49,821 INFO L796 eck$LassoCheckResult]: Loop: 191#L12 [27] L12-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~z~0_6) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 1))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 186#L12-2 [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 188#L11-2 [34] L11-2-->L12: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 192#L12 [36] L12-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~z~0_7 (+ v_ULTIMATE.start_main_~z~0_8 1)) (>= v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~z~0_8)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0] 193#L12-2 [25] L12-2-->L11-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 194#L11-2 [34] L11-2-->L12: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 191#L12 18.76/9.49 [2019-03-28 22:23:49,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.76/9.49 [2019-03-28 22:23:49,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1801, now seen corresponding path program 2 times 18.76/9.49 [2019-03-28 22:23:49,821 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.76/9.49 [2019-03-28 22:23:49,822 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.76/9.49 [2019-03-28 22:23:49,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:49,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:49,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.49 [2019-03-28 22:23:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.49 [2019-03-28 22:23:49,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.76/9.49 [2019-03-28 22:23:49,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1684627082, now seen corresponding path program 1 times 18.76/9.49 [2019-03-28 22:23:49,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.76/9.49 [2019-03-28 22:23:49,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.76/9.49 [2019-03-28 22:23:49,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:49,830 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:49,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.49 [2019-03-28 22:23:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.49 [2019-03-28 22:23:49,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.76/9.49 [2019-03-28 22:23:49,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1463418770, now seen corresponding path program 2 times 18.76/9.49 [2019-03-28 22:23:49,837 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.76/9.49 [2019-03-28 22:23:49,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.76/9.49 [2019-03-28 22:23:49,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:49,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:49,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.76/9.49 [2019-03-28 22:23:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.49 [2019-03-28 22:23:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.76/9.49 [2019-03-28 22:23:49,875 INFO L216 LassoAnalysis]: Preferences: 18.76/9.49 [2019-03-28 22:23:49,876 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.76/9.49 [2019-03-28 22:23:49,876 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.76/9.49 [2019-03-28 22:23:49,876 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.76/9.49 [2019-03-28 22:23:49,877 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.76/9.49 [2019-03-28 22:23:49,877 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.49 [2019-03-28 22:23:49,877 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.76/9.49 [2019-03-28 22:23:49,877 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.76/9.49 [2019-03-28 22:23:49,877 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 18.76/9.49 [2019-03-28 22:23:49,877 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.76/9.49 [2019-03-28 22:23:49,877 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.76/9.49 [2019-03-28 22:23:49,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.49 [2019-03-28 22:23:49,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.49 [2019-03-28 22:23:49,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.49 [2019-03-28 22:23:49,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.49 [2019-03-28 22:23:49,992 INFO L300 LassoAnalysis]: Preprocessing complete. 18.76/9.49 [2019-03-28 22:23:49,993 INFO L412 LassoAnalysis]: Checking for nontermination... 18.76/9.49 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.76/9.49 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.76/9.49 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.49 [2019-03-28 22:23:49,996 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.76/9.49 [2019-03-28 22:23:49,996 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.76/9.49 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.76/9.49 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.76/9.49 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.76/9.49 [2019-03-28 22:23:50,027 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.76/9.49 [2019-03-28 22:23:50,027 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.76/9.49 [2019-03-28 22:23:50,654 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.76/9.49 [2019-03-28 22:23:50,656 INFO L216 LassoAnalysis]: Preferences: 18.76/9.49 [2019-03-28 22:23:50,657 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.76/9.49 [2019-03-28 22:23:50,657 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.76/9.49 [2019-03-28 22:23:50,657 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.76/9.49 [2019-03-28 22:23:50,657 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.76/9.49 [2019-03-28 22:23:50,657 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.76/9.49 [2019-03-28 22:23:50,657 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.76/9.49 [2019-03-28 22:23:50,657 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.76/9.49 [2019-03-28 22:23:50,657 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 18.76/9.49 [2019-03-28 22:23:50,657 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.76/9.49 [2019-03-28 22:23:50,658 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.76/9.49 [2019-03-28 22:23:50,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.49 [2019-03-28 22:23:50,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.49 [2019-03-28 22:23:50,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.49 [2019-03-28 22:23:50,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.76/9.49 [2019-03-28 22:23:50,729 INFO L300 LassoAnalysis]: Preprocessing complete. 18.76/9.49 [2019-03-28 22:23:50,729 INFO L497 LassoAnalysis]: Using template 'affine'. 18.76/9.49 [2019-03-28 22:23:50,730 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.76/9.49 Termination analysis: LINEAR_WITH_GUESSES 18.76/9.49 Number of strict supporting invariants: 0 18.76/9.49 Number of non-strict supporting invariants: 1 18.76/9.49 Consider only non-deceasing supporting invariants: true 18.76/9.49 Simplify termination arguments: true 18.76/9.49 Simplify supporting invariants: trueOverapproximate stem: false 18.76/9.49 [2019-03-28 22:23:50,730 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.76/9.49 [2019-03-28 22:23:50,731 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.76/9.49 [2019-03-28 22:23:50,731 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.76/9.49 [2019-03-28 22:23:50,731 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.76/9.49 [2019-03-28 22:23:50,731 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.76/9.49 [2019-03-28 22:23:50,732 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.76/9.49 [2019-03-28 22:23:50,732 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.76/9.49 [2019-03-28 22:23:50,737 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.76/9.49 [2019-03-28 22:23:50,742 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 18.76/9.49 [2019-03-28 22:23:50,742 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 18.76/9.49 [2019-03-28 22:23:50,742 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.76/9.49 [2019-03-28 22:23:50,742 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.76/9.49 [2019-03-28 22:23:50,743 INFO L518 LassoAnalysis]: Proved termination. 18.76/9.49 [2019-03-28 22:23:50,743 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.76/9.49 Ranking function f(ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~y~0) = -1*ULTIMATE.start_main_~z~0 + 1*ULTIMATE.start_main_~y~0 18.76/9.49 Supporting invariants [] 18.76/9.49 [2019-03-28 22:23:50,743 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.76/9.49 [2019-03-28 22:23:50,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.76/9.49 [2019-03-28 22:23:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.76/9.49 [2019-03-28 22:23:50,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core 18.76/9.49 [2019-03-28 22:23:50,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.76/9.49 [2019-03-28 22:23:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.76/9.49 [2019-03-28 22:23:50,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core 18.76/9.49 [2019-03-28 22:23:50,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.76/9.49 [2019-03-28 22:23:50,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.76/9.49 [2019-03-28 22:23:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.76/9.49 [2019-03-28 22:23:50,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core 18.76/9.49 [2019-03-28 22:23:50,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.76/9.49 [2019-03-28 22:23:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.76/9.49 [2019-03-28 22:23:50,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core 18.76/9.49 [2019-03-28 22:23:50,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.76/9.49 [2019-03-28 22:23:50,882 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 6 predicates after loop cannibalization 18.76/9.49 [2019-03-28 22:23:50,882 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 6 loop predicates 18.76/9.49 [2019-03-28 22:23:50,882 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand 5 states. 18.76/9.49 [2019-03-28 22:23:50,921 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 10 states and 13 transitions. cyclomatic complexity: 4. Second operand 5 states. Result 28 states and 38 transitions. Complement of second has 8 states. 18.76/9.49 [2019-03-28 22:23:50,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 18.76/9.49 [2019-03-28 22:23:50,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 18.76/9.49 [2019-03-28 22:23:50,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. 18.76/9.49 [2019-03-28 22:23:50,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 2 letters. Loop has 6 letters. 18.76/9.49 [2019-03-28 22:23:50,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.76/9.49 [2019-03-28 22:23:50,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 6 letters. 18.76/9.49 [2019-03-28 22:23:50,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.76/9.49 [2019-03-28 22:23:50,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 2 letters. Loop has 12 letters. 18.76/9.49 [2019-03-28 22:23:50,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.76/9.49 [2019-03-28 22:23:50,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 38 transitions. 18.76/9.49 [2019-03-28 22:23:50,926 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 18.76/9.49 [2019-03-28 22:23:50,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. 18.76/9.49 [2019-03-28 22:23:50,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 18.76/9.49 [2019-03-28 22:23:50,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 18.76/9.49 [2019-03-28 22:23:50,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 18.76/9.49 [2019-03-28 22:23:50,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 18.76/9.49 [2019-03-28 22:23:50,927 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.76/9.49 [2019-03-28 22:23:50,927 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.76/9.49 [2019-03-28 22:23:50,927 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.76/9.49 [2019-03-28 22:23:50,927 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 18.76/9.49 [2019-03-28 22:23:50,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 18.76/9.49 [2019-03-28 22:23:50,928 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 18.76/9.49 [2019-03-28 22:23:50,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 18.76/9.49 [2019-03-28 22:23:50,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:23:50 BasicIcfg 18.76/9.49 [2019-03-28 22:23:50,934 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 18.76/9.49 [2019-03-28 22:23:50,935 INFO L168 Benchmark]: Toolchain (without parser) took 4939.63 ms. Allocated memory was 649.6 MB in the beginning and 755.5 MB in the end (delta: 105.9 MB). Free memory was 559.2 MB in the beginning and 644.7 MB in the end (delta: -85.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 18.76/9.49 [2019-03-28 22:23:50,936 INFO L168 Benchmark]: CDTParser took 0.17 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. 18.76/9.49 [2019-03-28 22:23:50,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.88 ms. Allocated memory was 649.6 MB in the beginning and 687.9 MB in the end (delta: 38.3 MB). Free memory was 559.2 MB in the beginning and 654.5 MB in the end (delta: -95.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 18.76/9.49 [2019-03-28 22:23:50,937 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.38 ms. Allocated memory is still 687.9 MB. Free memory was 654.5 MB in the beginning and 653.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 18.76/9.49 [2019-03-28 22:23:50,938 INFO L168 Benchmark]: Boogie Preprocessor took 20.92 ms. Allocated memory is still 687.9 MB. Free memory was 653.4 MB in the beginning and 652.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 18.76/9.49 [2019-03-28 22:23:50,938 INFO L168 Benchmark]: RCFGBuilder took 213.65 ms. Allocated memory is still 687.9 MB. Free memory was 652.4 MB in the beginning and 637.0 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 50.3 GB. 18.76/9.49 [2019-03-28 22:23:50,939 INFO L168 Benchmark]: BlockEncodingV2 took 77.25 ms. Allocated memory is still 687.9 MB. Free memory was 637.0 MB in the beginning and 631.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 18.76/9.49 [2019-03-28 22:23:50,940 INFO L168 Benchmark]: TraceAbstraction took 157.84 ms. Allocated memory is still 687.9 MB. Free memory was 631.6 MB in the beginning and 623.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 18.76/9.49 [2019-03-28 22:23:50,940 INFO L168 Benchmark]: BuchiAutomizer took 4136.17 ms. Allocated memory was 687.9 MB in the beginning and 755.5 MB in the end (delta: 67.6 MB). Free memory was 623.0 MB in the beginning and 644.7 MB in the end (delta: -21.8 MB). Peak memory consumption was 45.9 MB. Max. memory is 50.3 GB. 18.76/9.49 [2019-03-28 22:23:50,944 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 18.76/9.49 --- Results --- 18.76/9.49 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 18.76/9.49 - StatisticsResult: Initial Icfg 18.76/9.49 8 locations, 10 edges 18.76/9.49 - StatisticsResult: Encoded RCFG 18.76/9.49 4 locations, 5 edges 18.76/9.49 * Results from de.uni_freiburg.informatik.ultimate.core: 18.76/9.49 - StatisticsResult: Toolchain Benchmarks 18.76/9.49 Benchmark results are: 18.76/9.49 * CDTParser took 0.17 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. 18.76/9.49 * CACSL2BoogieTranslator took 290.88 ms. Allocated memory was 649.6 MB in the beginning and 687.9 MB in the end (delta: 38.3 MB). Free memory was 559.2 MB in the beginning and 654.5 MB in the end (delta: -95.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 18.76/9.49 * Boogie Procedure Inliner took 37.38 ms. Allocated memory is still 687.9 MB. Free memory was 654.5 MB in the beginning and 653.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 18.76/9.49 * Boogie Preprocessor took 20.92 ms. Allocated memory is still 687.9 MB. Free memory was 653.4 MB in the beginning and 652.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 18.76/9.49 * RCFGBuilder took 213.65 ms. Allocated memory is still 687.9 MB. Free memory was 652.4 MB in the beginning and 637.0 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 50.3 GB. 18.76/9.49 * BlockEncodingV2 took 77.25 ms. Allocated memory is still 687.9 MB. Free memory was 637.0 MB in the beginning and 631.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 18.76/9.49 * TraceAbstraction took 157.84 ms. Allocated memory is still 687.9 MB. Free memory was 631.6 MB in the beginning and 623.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 18.76/9.49 * BuchiAutomizer took 4136.17 ms. Allocated memory was 687.9 MB in the beginning and 755.5 MB in the end (delta: 67.6 MB). Free memory was 623.0 MB in the beginning and 644.7 MB in the end (delta: -21.8 MB). Peak memory consumption was 45.9 MB. Max. memory is 50.3 GB. 18.76/9.49 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 18.76/9.49 - AllSpecificationsHoldResult: All specifications hold 18.76/9.49 We were not able to verify any specifiation because the program does not contain any specification. 18.76/9.49 - InvariantResult [Line: 11]: Loop Invariant 18.76/9.49 Derived loop invariant: 1 18.76/9.49 - StatisticsResult: Ultimate Automizer benchmark data 18.76/9.49 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 18.76/9.49 - StatisticsResult: Constructed decomposition of program 18.76/9.49 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 * x + -2 * z + 1 and consists of 3 locations. One nondeterministic module has affine ranking function z + -1 * x and consists of 3 locations. One nondeterministic module has affine ranking function -1 * z + y and consists of 4 locations. 18.76/9.49 - StatisticsResult: Timing statistics 18.76/9.49 BüchiAutomizer plugin needed 4.0s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.5s. 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, 32 SDslu, 10 SDs, 0 SdLazy, 37 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax161 hnf100 lsp46 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq148 hnf94 smp95 dnf100 smp100 tf110 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.2s 18.76/9.49 - TerminationAnalysisResult: Termination proven 18.76/9.49 Buchi Automizer proved that your program is terminating 18.76/9.49 RESULT: Ultimate proved your program to be correct! 18.76/9.49 !SESSION 2019-03-28 22:23:42.706 ----------------------------------------------- 18.76/9.49 eclipse.buildId=unknown 18.76/9.49 java.version=1.8.0_181 18.76/9.49 java.vendor=Oracle Corporation 18.76/9.49 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 18.76/9.49 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 18.76/9.49 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 18.76/9.49 18.76/9.49 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:23:51.176 18.76/9.49 !MESSAGE The workspace will exit with unsaved changes in this session. 18.76/9.49 Received shutdown request... 18.76/9.49 Ultimate: 18.76/9.49 GTK+ Version Check 18.76/9.49 EOF