18.12/8.51 NO 18.12/8.51 18.12/8.52 Ultimate: Cannot open display: 18.12/8.52 This is Ultimate 0.1.24-8dc7c08-m 18.12/8.52 [2019-03-28 12:23:46,421 INFO L170 SettingsManager]: Resetting all preferences to default values... 18.12/8.52 [2019-03-28 12:23:46,424 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 18.12/8.52 [2019-03-28 12:23:46,435 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 18.12/8.52 [2019-03-28 12:23:46,435 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 18.12/8.52 [2019-03-28 12:23:46,436 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 18.12/8.52 [2019-03-28 12:23:46,437 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 18.12/8.52 [2019-03-28 12:23:46,439 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 18.12/8.52 [2019-03-28 12:23:46,441 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 18.12/8.52 [2019-03-28 12:23:46,441 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 18.12/8.52 [2019-03-28 12:23:46,442 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 18.12/8.52 [2019-03-28 12:23:46,442 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 18.12/8.52 [2019-03-28 12:23:46,443 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 18.12/8.52 [2019-03-28 12:23:46,444 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 18.12/8.52 [2019-03-28 12:23:46,445 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 18.12/8.52 [2019-03-28 12:23:46,446 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 18.12/8.52 [2019-03-28 12:23:46,447 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 18.12/8.52 [2019-03-28 12:23:46,448 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 18.12/8.52 [2019-03-28 12:23:46,450 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 18.12/8.52 [2019-03-28 12:23:46,452 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 18.12/8.52 [2019-03-28 12:23:46,453 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 18.12/8.52 [2019-03-28 12:23:46,454 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 18.12/8.52 [2019-03-28 12:23:46,456 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 18.12/8.52 [2019-03-28 12:23:46,456 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 18.12/8.52 [2019-03-28 12:23:46,456 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 18.12/8.52 [2019-03-28 12:23:46,457 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 18.12/8.52 [2019-03-28 12:23:46,457 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 18.12/8.52 [2019-03-28 12:23:46,458 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 18.12/8.52 [2019-03-28 12:23:46,459 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 18.12/8.52 [2019-03-28 12:23:46,459 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 18.12/8.52 [2019-03-28 12:23:46,460 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 18.12/8.52 [2019-03-28 12:23:46,461 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 18.12/8.52 [2019-03-28 12:23:46,462 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 18.12/8.52 [2019-03-28 12:23:46,462 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 18.12/8.52 [2019-03-28 12:23:46,462 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 18.12/8.52 [2019-03-28 12:23:46,463 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 18.12/8.52 [2019-03-28 12:23:46,463 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 18.12/8.52 [2019-03-28 12:23:46,464 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 18.12/8.52 [2019-03-28 12:23:46,464 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 18.12/8.52 [2019-03-28 12:23:46,465 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 18.12/8.52 [2019-03-28 12:23:46,479 INFO L110 SettingsManager]: Loading preferences was successful 18.12/8.52 [2019-03-28 12:23:46,479 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 18.12/8.52 [2019-03-28 12:23:46,480 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 18.12/8.52 [2019-03-28 12:23:46,480 INFO L133 SettingsManager]: * Rewrite not-equals=true 18.12/8.52 [2019-03-28 12:23:46,481 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 18.12/8.52 [2019-03-28 12:23:46,481 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 18.12/8.52 [2019-03-28 12:23:46,481 INFO L133 SettingsManager]: * Use SBE=true 18.12/8.52 [2019-03-28 12:23:46,481 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 18.12/8.52 [2019-03-28 12:23:46,481 INFO L133 SettingsManager]: * Use old map elimination=false 18.12/8.52 [2019-03-28 12:23:46,482 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 18.12/8.52 [2019-03-28 12:23:46,482 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 18.12/8.52 [2019-03-28 12:23:46,482 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 18.12/8.52 [2019-03-28 12:23:46,482 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 18.12/8.52 [2019-03-28 12:23:46,482 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 18.12/8.52 [2019-03-28 12:23:46,482 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:46,483 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 18.12/8.52 [2019-03-28 12:23:46,483 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 18.12/8.52 [2019-03-28 12:23:46,483 INFO L133 SettingsManager]: * Check division by zero=IGNORE 18.12/8.52 [2019-03-28 12:23:46,483 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 18.12/8.52 [2019-03-28 12:23:46,483 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 18.12/8.52 [2019-03-28 12:23:46,483 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 18.12/8.52 [2019-03-28 12:23:46,484 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 18.12/8.52 [2019-03-28 12:23:46,484 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 18.12/8.52 [2019-03-28 12:23:46,484 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 18.12/8.52 [2019-03-28 12:23:46,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 18.12/8.52 [2019-03-28 12:23:46,484 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 18.12/8.52 [2019-03-28 12:23:46,485 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 18.12/8.52 [2019-03-28 12:23:46,485 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 18.12/8.52 [2019-03-28 12:23:46,485 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 18.12/8.52 [2019-03-28 12:23:46,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 18.12/8.52 [2019-03-28 12:23:46,523 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 18.12/8.52 [2019-03-28 12:23:46,527 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 18.12/8.52 [2019-03-28 12:23:46,528 INFO L271 PluginConnector]: Initializing CDTParser... 18.12/8.52 [2019-03-28 12:23:46,528 INFO L276 PluginConnector]: CDTParser initialized 18.12/8.52 [2019-03-28 12:23:46,529 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 18.12/8.52 [2019-03-28 12:23:46,587 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/77c4183f915b4270aace39946bea2f2c/FLAG944830031 18.12/8.52 [2019-03-28 12:23:46,927 INFO L307 CDTParser]: Found 1 translation units. 18.12/8.52 [2019-03-28 12:23:46,928 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 18.12/8.52 [2019-03-28 12:23:46,934 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/77c4183f915b4270aace39946bea2f2c/FLAG944830031 18.12/8.52 [2019-03-28 12:23:47,346 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/77c4183f915b4270aace39946bea2f2c 18.12/8.52 [2019-03-28 12:23:47,358 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 18.12/8.52 [2019-03-28 12:23:47,360 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 18.12/8.52 [2019-03-28 12:23:47,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 18.12/8.52 [2019-03-28 12:23:47,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 18.12/8.52 [2019-03-28 12:23:47,364 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 18.12/8.52 [2019-03-28 12:23:47,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:23:47" (1/1) ... 18.12/8.52 [2019-03-28 12:23:47,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e1448f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:23:47, skipping insertion in model container 18.12/8.52 [2019-03-28 12:23:47,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:23:47" (1/1) ... 18.12/8.52 [2019-03-28 12:23:47,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 18.12/8.52 [2019-03-28 12:23:47,395 INFO L176 MainTranslator]: Built tables and reachable declarations 18.12/8.52 [2019-03-28 12:23:47,562 INFO L206 PostProcessor]: Analyzing one entry point: main 18.12/8.52 [2019-03-28 12:23:47,566 INFO L191 MainTranslator]: Completed pre-run 18.12/8.52 [2019-03-28 12:23:47,584 INFO L206 PostProcessor]: Analyzing one entry point: main 18.12/8.52 [2019-03-28 12:23:47,662 INFO L195 MainTranslator]: Completed translation 18.12/8.52 [2019-03-28 12:23:47,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:23:47 WrapperNode 18.12/8.52 [2019-03-28 12:23:47,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 18.12/8.52 [2019-03-28 12:23:47,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 18.12/8.52 [2019-03-28 12:23:47,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 18.12/8.52 [2019-03-28 12:23:47,664 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 18.12/8.52 [2019-03-28 12:23:47,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:23:47" (1/1) ... 18.12/8.52 [2019-03-28 12:23:47,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:23:47" (1/1) ... 18.12/8.52 [2019-03-28 12:23:47,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 18.12/8.52 [2019-03-28 12:23:47,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 18.12/8.52 [2019-03-28 12:23:47,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 18.12/8.52 [2019-03-28 12:23:47,702 INFO L276 PluginConnector]: Boogie Preprocessor initialized 18.12/8.52 [2019-03-28 12:23:47,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:23:47" (1/1) ... 18.12/8.52 [2019-03-28 12:23:47,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:23:47" (1/1) ... 18.12/8.52 [2019-03-28 12:23:47,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:23:47" (1/1) ... 18.12/8.52 [2019-03-28 12:23:47,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:23:47" (1/1) ... 18.12/8.52 [2019-03-28 12:23:47,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:23:47" (1/1) ... 18.12/8.52 [2019-03-28 12:23:47,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:23:47" (1/1) ... 18.12/8.52 [2019-03-28 12:23:47,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:23:47" (1/1) ... 18.12/8.52 [2019-03-28 12:23:47,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 18.12/8.52 [2019-03-28 12:23:47,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 18.12/8.52 [2019-03-28 12:23:47,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... 18.12/8.52 [2019-03-28 12:23:47,721 INFO L276 PluginConnector]: RCFGBuilder initialized 18.12/8.52 [2019-03-28 12:23:47,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:23:47" (1/1) ... 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 18.12/8.52 [2019-03-28 12:23:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure id2 18.12/8.52 [2019-03-28 12:23:47,795 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 18.12/8.52 [2019-03-28 12:23:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 18.12/8.52 [2019-03-28 12:23:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 18.12/8.52 [2019-03-28 12:23:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure id 18.12/8.52 [2019-03-28 12:23:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure id 18.12/8.52 [2019-03-28 12:23:47,953 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 18.12/8.52 [2019-03-28 12:23:47,954 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. 18.12/8.52 [2019-03-28 12:23:47,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:23:47 BoogieIcfgContainer 18.12/8.52 [2019-03-28 12:23:47,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 18.12/8.52 [2019-03-28 12:23:47,956 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 18.12/8.52 [2019-03-28 12:23:47,956 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 18.12/8.52 [2019-03-28 12:23:47,959 INFO L276 PluginConnector]: BlockEncodingV2 initialized 18.12/8.52 [2019-03-28 12:23:47,960 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:23:47" (1/1) ... 18.12/8.52 [2019-03-28 12:23:47,979 INFO L313 BlockEncoder]: Initial Icfg 22 locations, 27 edges 18.12/8.52 [2019-03-28 12:23:47,981 INFO L258 BlockEncoder]: Using Remove infeasible edges 18.12/8.52 [2019-03-28 12:23:47,982 INFO L263 BlockEncoder]: Using Maximize final states 18.12/8.52 [2019-03-28 12:23:47,982 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 18.12/8.52 [2019-03-28 12:23:47,983 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 18.12/8.52 [2019-03-28 12:23:47,984 INFO L296 BlockEncoder]: Using Remove sink states 18.12/8.52 [2019-03-28 12:23:47,985 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 18.12/8.52 [2019-03-28 12:23:47,986 INFO L179 BlockEncoder]: Using Rewrite not-equals 18.12/8.52 [2019-03-28 12:23:48,004 INFO L185 BlockEncoder]: Using Use SBE 18.12/8.52 [2019-03-28 12:23:48,021 INFO L200 BlockEncoder]: SBE split 3 edges 18.12/8.52 [2019-03-28 12:23:48,026 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 18.12/8.52 [2019-03-28 12:23:48,028 INFO L71 MaximizeFinalStates]: 0 new accepting states 18.12/8.52 [2019-03-28 12:23:48,037 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 18.12/8.52 [2019-03-28 12:23:48,039 INFO L70 RemoveSinkStates]: Removed 6 edges and 5 locations by removing sink states 18.12/8.52 [2019-03-28 12:23:48,041 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 18.12/8.52 [2019-03-28 12:23:48,041 INFO L71 MaximizeFinalStates]: 0 new accepting states 18.12/8.52 [2019-03-28 12:23:48,041 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 18.12/8.52 [2019-03-28 12:23:48,042 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 18.12/8.52 [2019-03-28 12:23:48,042 INFO L313 BlockEncoder]: Encoded RCFG 16 locations, 22 edges 18.12/8.52 [2019-03-28 12:23:48,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:23:48 BasicIcfg 18.12/8.52 [2019-03-28 12:23:48,043 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 18.12/8.52 [2019-03-28 12:23:48,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 18.12/8.52 [2019-03-28 12:23:48,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... 18.12/8.52 [2019-03-28 12:23:48,047 INFO L276 PluginConnector]: TraceAbstraction initialized 18.12/8.52 [2019-03-28 12:23:48,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:23:47" (1/4) ... 18.12/8.52 [2019-03-28 12:23:48,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354644d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:23:48, skipping insertion in model container 18.12/8.52 [2019-03-28 12:23:48,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:23:47" (2/4) ... 18.12/8.52 [2019-03-28 12:23:48,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354644d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:23:48, skipping insertion in model container 18.12/8.52 [2019-03-28 12:23:48,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:23:47" (3/4) ... 18.12/8.52 [2019-03-28 12:23:48,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354644d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:23:48, skipping insertion in model container 18.12/8.52 [2019-03-28 12:23:48,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:23:48" (4/4) ... 18.12/8.52 [2019-03-28 12:23:48,051 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 18.12/8.52 [2019-03-28 12:23:48,061 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 18.12/8.52 [2019-03-28 12:23:48,069 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 18.12/8.52 [2019-03-28 12:23:48,086 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 18.12/8.52 [2019-03-28 12:23:48,114 INFO L133 ementStrategyFactory]: Using default assertion order modulation 18.12/8.52 [2019-03-28 12:23:48,115 INFO L382 AbstractCegarLoop]: Interprodecural is true 18.12/8.52 [2019-03-28 12:23:48,115 INFO L383 AbstractCegarLoop]: Hoare is true 18.12/8.52 [2019-03-28 12:23:48,116 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 18.12/8.52 [2019-03-28 12:23:48,116 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 18.12/8.52 [2019-03-28 12:23:48,116 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 18.12/8.52 [2019-03-28 12:23:48,116 INFO L387 AbstractCegarLoop]: Difference is false 18.12/8.52 [2019-03-28 12:23:48,116 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 18.12/8.52 [2019-03-28 12:23:48,117 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 18.12/8.52 [2019-03-28 12:23:48,134 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. 18.12/8.52 [2019-03-28 12:23:48,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 18.12/8.52 [2019-03-28 12:23:48,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. 18.12/8.52 [2019-03-28 12:23:48,203 INFO L448 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. 18.12/8.52 [2019-03-28 12:23:48,203 INFO L451 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: true 18.12/8.52 [2019-03-28 12:23:48,203 INFO L448 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. 18.12/8.52 [2019-03-28 12:23:48,203 INFO L448 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. 18.12/8.52 [2019-03-28 12:23:48,203 INFO L448 ceAbstractionStarter]: For program point id2EXIT(lines 14 19) no Hoare annotation was computed. 18.12/8.52 [2019-03-28 12:23:48,204 INFO L451 ceAbstractionStarter]: At program point id2ENTRY(lines 14 19) the Hoare annotation is: true 18.12/8.52 [2019-03-28 12:23:48,204 INFO L448 ceAbstractionStarter]: For program point id2FINAL(lines 14 19) no Hoare annotation was computed. 18.12/8.52 [2019-03-28 12:23:48,204 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 18.12/8.52 [2019-03-28 12:23:48,204 INFO L451 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: true 18.12/8.52 [2019-03-28 12:23:48,204 INFO L448 ceAbstractionStarter]: For program point idFINAL(lines 7 12) no Hoare annotation was computed. 18.12/8.52 [2019-03-28 12:23:48,205 INFO L448 ceAbstractionStarter]: For program point idEXIT(lines 7 12) no Hoare annotation was computed. 18.12/8.52 [2019-03-28 12:23:48,205 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. 18.12/8.52 [2019-03-28 12:23:48,205 INFO L451 ceAbstractionStarter]: At program point L9(line 9) the Hoare annotation is: true 18.12/8.52 [2019-03-28 12:23:48,205 INFO L448 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. 18.12/8.52 [2019-03-28 12:23:48,205 INFO L448 ceAbstractionStarter]: For program point L9-1(line 9) no Hoare annotation was computed. 18.12/8.52 [2019-03-28 12:23:48,205 INFO L451 ceAbstractionStarter]: At program point idENTRY(lines 7 12) the Hoare annotation is: true 18.12/8.52 [2019-03-28 12:23:48,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:23:48 BasicIcfg 18.12/8.52 [2019-03-28 12:23:48,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 18.12/8.52 [2019-03-28 12:23:48,210 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 18.12/8.52 [2019-03-28 12:23:48,210 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 18.12/8.52 [2019-03-28 12:23:48,214 INFO L276 PluginConnector]: BuchiAutomizer initialized 18.12/8.52 [2019-03-28 12:23:48,215 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.12/8.52 [2019-03-28 12:23:48,215 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:23:47" (1/5) ... 18.12/8.52 [2019-03-28 12:23:48,216 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a2eaa71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:23:48, skipping insertion in model container 18.12/8.52 [2019-03-28 12:23:48,216 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.12/8.52 [2019-03-28 12:23:48,216 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:23:47" (2/5) ... 18.12/8.52 [2019-03-28 12:23:48,216 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a2eaa71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:23:48, skipping insertion in model container 18.12/8.52 [2019-03-28 12:23:48,216 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.12/8.52 [2019-03-28 12:23:48,217 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:23:47" (3/5) ... 18.12/8.52 [2019-03-28 12:23:48,217 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a2eaa71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:23:48, skipping insertion in model container 18.12/8.52 [2019-03-28 12:23:48,217 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.12/8.52 [2019-03-28 12:23:48,217 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:23:48" (4/5) ... 18.12/8.52 [2019-03-28 12:23:48,218 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a2eaa71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:23:48, skipping insertion in model container 18.12/8.52 [2019-03-28 12:23:48,218 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.12/8.52 [2019-03-28 12:23:48,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:23:48" (5/5) ... 18.12/8.52 [2019-03-28 12:23:48,219 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 18.12/8.52 [2019-03-28 12:23:48,249 INFO L133 ementStrategyFactory]: Using default assertion order modulation 18.12/8.52 [2019-03-28 12:23:48,249 INFO L374 BuchiCegarLoop]: Interprodecural is true 18.12/8.52 [2019-03-28 12:23:48,249 INFO L375 BuchiCegarLoop]: Hoare is true 18.12/8.52 [2019-03-28 12:23:48,249 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 18.12/8.52 [2019-03-28 12:23:48,250 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 18.12/8.52 [2019-03-28 12:23:48,250 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 18.12/8.52 [2019-03-28 12:23:48,250 INFO L379 BuchiCegarLoop]: Difference is false 18.12/8.52 [2019-03-28 12:23:48,250 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 18.12/8.52 [2019-03-28 12:23:48,250 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 18.12/8.52 [2019-03-28 12:23:48,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. 18.12/8.52 [2019-03-28 12:23:48,273 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 18.12/8.52 [2019-03-28 12:23:48,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.12/8.52 [2019-03-28 12:23:48,274 INFO L119 BuchiIsEmpty]: Starting construction of run 18.12/8.52 [2019-03-28 12:23:48,281 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 18.12/8.52 [2019-03-28 12:23:48,281 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] 18.12/8.52 [2019-03-28 12:23:48,281 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 18.12/8.52 [2019-03-28 12:23:48,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. 18.12/8.52 [2019-03-28 12:23:48,283 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 18.12/8.52 [2019-03-28 12:23:48,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.12/8.52 [2019-03-28 12:23:48,283 INFO L119 BuchiIsEmpty]: Starting construction of run 18.12/8.52 [2019-03-28 12:23:48,284 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 18.12/8.52 [2019-03-28 12:23:48,284 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] 18.12/8.52 [2019-03-28 12:23:48,296 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue [60] ULTIMATE.startENTRY-->L23: Formula: (= v_ULTIMATE.start_main_~input~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) InVars {} OutVars{ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_3} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~input~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_main_~result~0] 18#L23true [63] L23-->idENTRY: Formula: (= |v_id_#in~xInParam_2| v_ULTIMATE.start_main_~input~0_5) InVars {ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_5} OutVars{id_#in~x=|v_id_#in~xInParam_2|} AuxVars[] AssignedVars[id_#in~x]< 17#idENTRYtrue 18.12/8.52 [2019-03-28 12:23:48,297 INFO L796 eck$LassoCheckResult]: Loop: 17#idENTRYtrue [62] idENTRY-->L8: Formula: (= v_id_~x_1 |v_id_#in~x_1|) InVars {id_#in~x=|v_id_#in~x_1|} OutVars{id_#in~x=|v_id_#in~x_1|, id_~x=v_id_~x_1} AuxVars[] AssignedVars[id_~x] 12#L8true [76] L8-->L9: Formula: (< 0 v_id_~x_3) InVars {id_~x=v_id_~x_3} OutVars{id_~x=v_id_~x_3} AuxVars[] AssignedVars[] 11#L9true [55] L9-->id2ENTRY: Formula: (= |v_id2_#in~xInParam_1| (+ v_id_~x_5 (- 1))) InVars {id_~x=v_id_~x_5} OutVars{id2_#in~x=|v_id2_#in~xInParam_1|} AuxVars[] AssignedVars[id2_#in~x]< 7#id2ENTRYtrue [49] id2ENTRY-->L15: Formula: (= v_id2_~x_1 |v_id2_#in~x_1|) InVars {id2_#in~x=|v_id2_#in~x_1|} OutVars{id2_#in~x=|v_id2_#in~x_1|, id2_~x=v_id2_~x_1} AuxVars[] AssignedVars[id2_~x] 5#L15true [78] L15-->L16: Formula: (< 0 v_id2_~x_3) InVars {id2_~x=v_id2_~x_3} OutVars{id2_~x=v_id2_~x_3} AuxVars[] AssignedVars[] 10#L16true [54] L16-->idENTRY: Formula: (= |v_id_#in~xInParam_1| (+ v_id2_~x_5 (- 1))) InVars {id2_~x=v_id2_~x_5} OutVars{id_#in~x=|v_id_#in~xInParam_1|} AuxVars[] AssignedVars[id_#in~x]< 17#idENTRYtrue 18.12/8.52 [2019-03-28 12:23:48,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.12/8.52 [2019-03-28 12:23:48,303 INFO L82 PathProgramCache]: Analyzing trace with hash 2884, now seen corresponding path program 1 times 18.12/8.52 [2019-03-28 12:23:48,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.12/8.52 [2019-03-28 12:23:48,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.12/8.52 [2019-03-28 12:23:48,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:48,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:48,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.12/8.52 [2019-03-28 12:23:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.12/8.52 [2019-03-28 12:23:48,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.12/8.52 [2019-03-28 12:23:48,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1560580591, now seen corresponding path program 1 times 18.12/8.52 [2019-03-28 12:23:48,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.12/8.52 [2019-03-28 12:23:48,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.12/8.52 [2019-03-28 12:23:48,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:48,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:48,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.12/8.52 [2019-03-28 12:23:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.12/8.52 [2019-03-28 12:23:48,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.12/8.52 [2019-03-28 12:23:48,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1606990612, now seen corresponding path program 1 times 18.12/8.52 [2019-03-28 12:23:48,398 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.12/8.52 [2019-03-28 12:23:48,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.12/8.52 [2019-03-28 12:23:48,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:48,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:48,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.12/8.52 [2019-03-28 12:23:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.12/8.52 [2019-03-28 12:23:48,540 INFO L216 LassoAnalysis]: Preferences: 18.12/8.52 [2019-03-28 12:23:48,541 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.12/8.52 [2019-03-28 12:23:48,542 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.12/8.52 [2019-03-28 12:23:48,542 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.12/8.52 [2019-03-28 12:23:48,542 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.12/8.52 [2019-03-28 12:23:48,542 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:48,542 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.12/8.52 [2019-03-28 12:23:48,542 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.12/8.52 [2019-03-28 12:23:48,543 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 18.12/8.52 [2019-03-28 12:23:48,543 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.12/8.52 [2019-03-28 12:23:48,543 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.12/8.52 [2019-03-28 12:23:48,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,676 INFO L300 LassoAnalysis]: Preprocessing complete. 18.12/8.52 [2019-03-28 12:23:48,677 INFO L412 LassoAnalysis]: Checking for nontermination... 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:48,685 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:48,685 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:48,694 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:48,694 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~ret~0=0} Honda state: {id_~ret~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:48,724 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:48,724 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:48,730 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:48,730 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#res=0} Honda state: {id2_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:48,759 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:48,760 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:48,793 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:48,793 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:48,868 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.12/8.52 [2019-03-28 12:23:48,871 INFO L216 LassoAnalysis]: Preferences: 18.12/8.52 [2019-03-28 12:23:48,891 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.12/8.52 [2019-03-28 12:23:48,891 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.12/8.52 [2019-03-28 12:23:48,892 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.12/8.52 [2019-03-28 12:23:48,892 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.12/8.52 [2019-03-28 12:23:48,892 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:48,892 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.12/8.52 [2019-03-28 12:23:48,892 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.12/8.52 [2019-03-28 12:23:48,892 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 18.12/8.52 [2019-03-28 12:23:48,892 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.12/8.52 [2019-03-28 12:23:48,893 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.12/8.52 [2019-03-28 12:23:48,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:48,979 INFO L300 LassoAnalysis]: Preprocessing complete. 18.12/8.52 [2019-03-28 12:23:48,985 INFO L497 LassoAnalysis]: Using template 'affine'. 18.12/8.52 [2019-03-28 12:23:48,986 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.12/8.52 Termination analysis: LINEAR_WITH_GUESSES 18.12/8.52 Number of strict supporting invariants: 0 18.12/8.52 Number of non-strict supporting invariants: 1 18.12/8.52 Consider only non-deceasing supporting invariants: true 18.12/8.52 Simplify termination arguments: true 18.12/8.52 Simplify supporting invariants: trueOverapproximate stem: false 18.12/8.52 [2019-03-28 12:23:48,988 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.12/8.52 [2019-03-28 12:23:48,988 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.12/8.52 [2019-03-28 12:23:48,989 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.12/8.52 [2019-03-28 12:23:48,989 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.12/8.52 [2019-03-28 12:23:48,989 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.12/8.52 [2019-03-28 12:23:48,991 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.12/8.52 [2019-03-28 12:23:48,992 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.12/8.52 [2019-03-28 12:23:48,996 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.12/8.52 [2019-03-28 12:23:48,996 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.12/8.52 Termination analysis: LINEAR_WITH_GUESSES 18.12/8.52 Number of strict supporting invariants: 0 18.12/8.52 Number of non-strict supporting invariants: 1 18.12/8.52 Consider only non-deceasing supporting invariants: true 18.12/8.52 Simplify termination arguments: true 18.12/8.52 Simplify supporting invariants: trueOverapproximate stem: false 18.12/8.52 [2019-03-28 12:23:48,997 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.12/8.52 [2019-03-28 12:23:48,997 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.12/8.52 [2019-03-28 12:23:48,997 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.12/8.52 [2019-03-28 12:23:48,998 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.12/8.52 [2019-03-28 12:23:48,998 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.12/8.52 [2019-03-28 12:23:48,998 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.12/8.52 [2019-03-28 12:23:48,998 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.12/8.52 [2019-03-28 12:23:49,000 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.12/8.52 [2019-03-28 12:23:49,000 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.12/8.52 Termination analysis: LINEAR_WITH_GUESSES 18.12/8.52 Number of strict supporting invariants: 0 18.12/8.52 Number of non-strict supporting invariants: 1 18.12/8.52 Consider only non-deceasing supporting invariants: true 18.12/8.52 Simplify termination arguments: true 18.12/8.52 Simplify supporting invariants: trueOverapproximate stem: false 18.12/8.52 [2019-03-28 12:23:49,001 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.12/8.52 [2019-03-28 12:23:49,001 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.12/8.52 [2019-03-28 12:23:49,001 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.12/8.52 [2019-03-28 12:23:49,001 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.12/8.52 [2019-03-28 12:23:49,001 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.12/8.52 [2019-03-28 12:23:49,002 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.12/8.52 [2019-03-28 12:23:49,003 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.12/8.52 [2019-03-28 12:23:49,009 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.12/8.52 [2019-03-28 12:23:49,014 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 18.12/8.52 [2019-03-28 12:23:49,014 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 18.12/8.52 [2019-03-28 12:23:49,016 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.12/8.52 [2019-03-28 12:23:49,016 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.12/8.52 [2019-03-28 12:23:49,016 INFO L518 LassoAnalysis]: Proved termination. 18.12/8.52 [2019-03-28 12:23:49,017 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.12/8.52 Ranking function f(id_#in~x) = 1*id_#in~x 18.12/8.52 Supporting invariants [] 18.12/8.52 [2019-03-28 12:23:49,018 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.12/8.52 [2019-03-28 12:23:49,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.12/8.52 [2019-03-28 12:23:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.12/8.52 [2019-03-28 12:23:49,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core 18.12/8.52 [2019-03-28 12:23:49,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.12/8.52 [2019-03-28 12:23:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.12/8.52 [2019-03-28 12:23:49,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core 18.12/8.52 [2019-03-28 12:23:49,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.12/8.52 [2019-03-28 12:23:49,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.12/8.52 [2019-03-28 12:23:49,191 INFO L98 LoopCannibalizer]: 5 predicates before loop cannibalization 5 predicates after loop cannibalization 18.12/8.52 [2019-03-28 12:23:49,197 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 5 loop predicates 18.12/8.52 [2019-03-28 12:23:49,199 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 16 states. Second operand 6 states. 18.12/8.52 [2019-03-28 12:23:49,419 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 16 states.. Second operand 6 states. Result 82 states and 115 transitions. Complement of second has 26 states. 18.12/8.52 [2019-03-28 12:23:49,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states 18.12/8.52 [2019-03-28 12:23:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 18.12/8.52 [2019-03-28 12:23:49,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 48 transitions. 18.12/8.52 [2019-03-28 12:23:49,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 48 transitions. Stem has 2 letters. Loop has 6 letters. 18.12/8.52 [2019-03-28 12:23:49,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.12/8.52 [2019-03-28 12:23:49,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 48 transitions. Stem has 8 letters. Loop has 6 letters. 18.12/8.52 [2019-03-28 12:23:49,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.12/8.52 [2019-03-28 12:23:49,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 48 transitions. Stem has 2 letters. Loop has 12 letters. 18.12/8.52 [2019-03-28 12:23:49,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.12/8.52 [2019-03-28 12:23:49,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 115 transitions. 18.12/8.52 [2019-03-28 12:23:49,452 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 18.12/8.52 [2019-03-28 12:23:49,458 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 25 states and 34 transitions. 18.12/8.52 [2019-03-28 12:23:49,459 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 18.12/8.52 [2019-03-28 12:23:49,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 18.12/8.52 [2019-03-28 12:23:49,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. 18.12/8.52 [2019-03-28 12:23:49,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.12/8.52 [2019-03-28 12:23:49,460 INFO L706 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. 18.12/8.52 [2019-03-28 12:23:49,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. 18.12/8.52 [2019-03-28 12:23:49,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. 18.12/8.52 [2019-03-28 12:23:49,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. 18.12/8.52 [2019-03-28 12:23:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. 18.12/8.52 [2019-03-28 12:23:49,495 INFO L729 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. 18.12/8.52 [2019-03-28 12:23:49,495 INFO L609 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. 18.12/8.52 [2019-03-28 12:23:49,495 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 18.12/8.52 [2019-03-28 12:23:49,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. 18.12/8.52 [2019-03-28 12:23:49,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 18.12/8.52 [2019-03-28 12:23:49,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.12/8.52 [2019-03-28 12:23:49,496 INFO L119 BuchiIsEmpty]: Starting construction of run 18.12/8.52 [2019-03-28 12:23:49,497 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 18.12/8.52 [2019-03-28 12:23:49,497 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] 18.12/8.52 [2019-03-28 12:23:49,497 INFO L794 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY [60] ULTIMATE.startENTRY-->L23: Formula: (= v_ULTIMATE.start_main_~input~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) InVars {} OutVars{ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_3} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~input~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_main_~result~0] 188#L23 [63] L23-->idENTRY: Formula: (= |v_id_#in~xInParam_2| v_ULTIMATE.start_main_~input~0_5) InVars {ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_5} OutVars{id_#in~x=|v_id_#in~xInParam_2|} AuxVars[] AssignedVars[id_#in~x]< 193#idENTRY [62] idENTRY-->L8: Formula: (= v_id_~x_1 |v_id_#in~x_1|) InVars {id_#in~x=|v_id_#in~x_1|} OutVars{id_#in~x=|v_id_#in~x_1|, id_~x=v_id_~x_1} AuxVars[] AssignedVars[id_~x] 187#L8 18.12/8.52 [2019-03-28 12:23:49,497 INFO L796 eck$LassoCheckResult]: Loop: 187#L8 [76] L8-->L9: Formula: (< 0 v_id_~x_3) InVars {id_~x=v_id_~x_3} OutVars{id_~x=v_id_~x_3} AuxVars[] AssignedVars[] 181#L9 [55] L9-->id2ENTRY: Formula: (= |v_id2_#in~xInParam_1| (+ v_id_~x_5 (- 1))) InVars {id_~x=v_id_~x_5} OutVars{id2_#in~x=|v_id2_#in~xInParam_1|} AuxVars[] AssignedVars[id2_#in~x]< 194#id2ENTRY [49] id2ENTRY-->L15: Formula: (= v_id2_~x_1 |v_id2_#in~x_1|) InVars {id2_#in~x=|v_id2_#in~x_1|} OutVars{id2_#in~x=|v_id2_#in~x_1|, id2_~x=v_id2_~x_1} AuxVars[] AssignedVars[id2_~x] 180#L15 [79] L15-->L16: Formula: (> 0 v_id2_~x_3) InVars {id2_~x=v_id2_~x_3} OutVars{id2_~x=v_id2_~x_3} AuxVars[] AssignedVars[] 182#L16 [54] L16-->idENTRY: Formula: (= |v_id_#in~xInParam_1| (+ v_id2_~x_5 (- 1))) InVars {id2_~x=v_id2_~x_5} OutVars{id_#in~x=|v_id_#in~xInParam_1|} AuxVars[] AssignedVars[id_#in~x]< 191#idENTRY [62] idENTRY-->L8: Formula: (= v_id_~x_1 |v_id_#in~x_1|) InVars {id_#in~x=|v_id_#in~x_1|} OutVars{id_#in~x=|v_id_#in~x_1|, id_~x=v_id_~x_1} AuxVars[] AssignedVars[id_~x] 187#L8 18.12/8.52 [2019-03-28 12:23:49,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.12/8.52 [2019-03-28 12:23:49,498 INFO L82 PathProgramCache]: Analyzing trace with hash 89466, now seen corresponding path program 1 times 18.12/8.52 [2019-03-28 12:23:49,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.12/8.52 [2019-03-28 12:23:49,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.12/8.52 [2019-03-28 12:23:49,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:49,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:49,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.12/8.52 [2019-03-28 12:23:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.12/8.52 [2019-03-28 12:23:49,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.12/8.52 [2019-03-28 12:23:49,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1179317070, now seen corresponding path program 1 times 18.12/8.52 [2019-03-28 12:23:49,506 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.12/8.52 [2019-03-28 12:23:49,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.12/8.52 [2019-03-28 12:23:49,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:49,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:49,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.12/8.52 [2019-03-28 12:23:49,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.12/8.52 [2019-03-28 12:23:49,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 18.12/8.52 [2019-03-28 12:23:49,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 18.12/8.52 [2019-03-28 12:23:49,560 INFO L811 eck$LassoCheckResult]: loop already infeasible 18.12/8.52 [2019-03-28 12:23:49,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. 18.12/8.52 [2019-03-28 12:23:49,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 18.12/8.52 [2019-03-28 12:23:49,564 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand 5 states. 18.12/8.52 [2019-03-28 12:23:49,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 18.12/8.52 [2019-03-28 12:23:49,601 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. 18.12/8.52 [2019-03-28 12:23:49,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 18.12/8.52 [2019-03-28 12:23:49,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. 18.12/8.52 [2019-03-28 12:23:49,606 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 18.12/8.52 [2019-03-28 12:23:49,607 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 21 states and 25 transitions. 18.12/8.52 [2019-03-28 12:23:49,608 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 18.12/8.52 [2019-03-28 12:23:49,608 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 18.12/8.52 [2019-03-28 12:23:49,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. 18.12/8.52 [2019-03-28 12:23:49,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.12/8.52 [2019-03-28 12:23:49,608 INFO L706 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. 18.12/8.52 [2019-03-28 12:23:49,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. 18.12/8.52 [2019-03-28 12:23:49,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. 18.12/8.52 [2019-03-28 12:23:49,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. 18.12/8.52 [2019-03-28 12:23:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. 18.12/8.52 [2019-03-28 12:23:49,611 INFO L729 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. 18.12/8.52 [2019-03-28 12:23:49,611 INFO L609 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. 18.12/8.52 [2019-03-28 12:23:49,611 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 18.12/8.52 [2019-03-28 12:23:49,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 24 transitions. 18.12/8.52 [2019-03-28 12:23:49,612 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 18.12/8.52 [2019-03-28 12:23:49,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.12/8.52 [2019-03-28 12:23:49,612 INFO L119 BuchiIsEmpty]: Starting construction of run 18.12/8.52 [2019-03-28 12:23:49,613 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 18.12/8.52 [2019-03-28 12:23:49,613 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] 18.12/8.52 [2019-03-28 12:23:49,613 INFO L794 eck$LassoCheckResult]: Stem: 242#ULTIMATE.startENTRY [60] ULTIMATE.startENTRY-->L23: Formula: (= v_ULTIMATE.start_main_~input~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) InVars {} OutVars{ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_3} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~input~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_main_~result~0] 238#L23 [63] L23-->idENTRY: Formula: (= |v_id_#in~xInParam_2| v_ULTIMATE.start_main_~input~0_5) InVars {ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_5} OutVars{id_#in~x=|v_id_#in~xInParam_2|} AuxVars[] AssignedVars[id_#in~x]< 245#idENTRY [62] idENTRY-->L8: Formula: (= v_id_~x_1 |v_id_#in~x_1|) InVars {id_#in~x=|v_id_#in~x_1|} OutVars{id_#in~x=|v_id_#in~x_1|, id_~x=v_id_~x_1} AuxVars[] AssignedVars[id_~x] 237#L8 18.12/8.52 [2019-03-28 12:23:49,613 INFO L796 eck$LassoCheckResult]: Loop: 237#L8 [77] L8-->L9: Formula: (> 0 v_id_~x_3) InVars {id_~x=v_id_~x_3} OutVars{id_~x=v_id_~x_3} AuxVars[] AssignedVars[] 232#L9 [55] L9-->id2ENTRY: Formula: (= |v_id2_#in~xInParam_1| (+ v_id_~x_5 (- 1))) InVars {id_~x=v_id_~x_5} OutVars{id2_#in~x=|v_id2_#in~xInParam_1|} AuxVars[] AssignedVars[id2_#in~x]< 246#id2ENTRY [49] id2ENTRY-->L15: Formula: (= v_id2_~x_1 |v_id2_#in~x_1|) InVars {id2_#in~x=|v_id2_#in~x_1|} OutVars{id2_#in~x=|v_id2_#in~x_1|, id2_~x=v_id2_~x_1} AuxVars[] AssignedVars[id2_~x] 231#L15 [79] L15-->L16: Formula: (> 0 v_id2_~x_3) InVars {id2_~x=v_id2_~x_3} OutVars{id2_~x=v_id2_~x_3} AuxVars[] AssignedVars[] 233#L16 [54] L16-->idENTRY: Formula: (= |v_id_#in~xInParam_1| (+ v_id2_~x_5 (- 1))) InVars {id2_~x=v_id2_~x_5} OutVars{id_#in~x=|v_id_#in~xInParam_1|} AuxVars[] AssignedVars[id_#in~x]< 243#idENTRY [62] idENTRY-->L8: Formula: (= v_id_~x_1 |v_id_#in~x_1|) InVars {id_#in~x=|v_id_#in~x_1|} OutVars{id_#in~x=|v_id_#in~x_1|, id_~x=v_id_~x_1} AuxVars[] AssignedVars[id_~x] 237#L8 18.12/8.52 [2019-03-28 12:23:49,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.12/8.52 [2019-03-28 12:23:49,614 INFO L82 PathProgramCache]: Analyzing trace with hash 89466, now seen corresponding path program 2 times 18.12/8.52 [2019-03-28 12:23:49,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.12/8.52 [2019-03-28 12:23:49,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.12/8.52 [2019-03-28 12:23:49,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:49,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:49,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.12/8.52 [2019-03-28 12:23:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.12/8.52 [2019-03-28 12:23:49,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.12/8.52 [2019-03-28 12:23:49,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1150687919, now seen corresponding path program 1 times 18.12/8.52 [2019-03-28 12:23:49,621 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.12/8.52 [2019-03-28 12:23:49,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.12/8.52 [2019-03-28 12:23:49,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:49,622 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:49,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.12/8.52 [2019-03-28 12:23:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.12/8.52 [2019-03-28 12:23:49,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.12/8.52 [2019-03-28 12:23:49,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1694268406, now seen corresponding path program 1 times 18.12/8.52 [2019-03-28 12:23:49,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.12/8.52 [2019-03-28 12:23:49,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.12/8.52 [2019-03-28 12:23:49,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:49,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:49,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.12/8.52 [2019-03-28 12:23:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.12/8.52 [2019-03-28 12:23:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.12/8.52 [2019-03-28 12:23:49,744 INFO L216 LassoAnalysis]: Preferences: 18.12/8.52 [2019-03-28 12:23:49,744 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.12/8.52 [2019-03-28 12:23:49,744 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.12/8.52 [2019-03-28 12:23:49,744 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.12/8.52 [2019-03-28 12:23:49,745 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.12/8.52 [2019-03-28 12:23:49,745 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:49,745 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.12/8.52 [2019-03-28 12:23:49,745 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.12/8.52 [2019-03-28 12:23:49,745 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 18.12/8.52 [2019-03-28 12:23:49,745 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.12/8.52 [2019-03-28 12:23:49,745 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.12/8.52 [2019-03-28 12:23:49,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:49,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:49,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:49,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:49,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:49,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:49,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:49,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:49,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:49,833 INFO L300 LassoAnalysis]: Preprocessing complete. 18.12/8.52 [2019-03-28 12:23:49,833 INFO L412 LassoAnalysis]: Checking for nontermination... 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:49,845 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:49,845 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:49,849 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:49,849 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_~ret~1=0} Honda state: {id2_~ret~1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:49,878 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:49,878 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:49,882 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:49,882 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:49,911 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:49,911 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:49,948 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:49,949 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:50,145 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:50,146 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-4, id_~x=-10} Honda state: {id_#in~x=-4, id_~x=-10} Generalized eigenvectors: [{id_#in~x=1, id_~x=0}, {id_#in~x=-7, id_~x=0}, {id_#in~x=-2, id_~x=-2}] Lambdas: [7, 0, 1] Nus: [1, 0] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:50,177 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:50,177 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:50,181 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:50,181 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_~x=0} Honda state: {id2_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:50,211 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:50,212 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:50,215 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:50,215 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#res=0} Honda state: {id2_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:50,245 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:50,245 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:50,249 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:50,250 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~ret~0=0} Honda state: {id_~ret~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:50,282 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:50,283 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:50,286 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:50,287 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:50,317 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:50,318 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:50,321 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:50,321 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret1=0} Honda state: {id2_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:50,352 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:50,352 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:50,356 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:50,356 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 [2019-03-28 12:23:50,405 INFO L216 LassoAnalysis]: Preferences: 18.12/8.52 [2019-03-28 12:23:50,405 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.12/8.52 [2019-03-28 12:23:50,405 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.12/8.52 [2019-03-28 12:23:50,405 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.12/8.52 [2019-03-28 12:23:50,405 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.12/8.52 [2019-03-28 12:23:50,406 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:50,406 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.12/8.52 [2019-03-28 12:23:50,406 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.12/8.52 [2019-03-28 12:23:50,406 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 18.12/8.52 [2019-03-28 12:23:50,407 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.12/8.52 [2019-03-28 12:23:50,407 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.12/8.52 [2019-03-28 12:23:50,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:50,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:50,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:50,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:50,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:50,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:50,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:50,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:50,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:50,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:50,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:50,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:50,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:50,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:50,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.12/8.52 [2019-03-28 12:23:50,558 INFO L300 LassoAnalysis]: Preprocessing complete. 18.12/8.52 [2019-03-28 12:23:50,558 INFO L412 LassoAnalysis]: Checking for nontermination... 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:50,564 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:50,564 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:50,568 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:50,568 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:50,598 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:50,598 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:50,602 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:50,602 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:50,635 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:50,636 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:50,658 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:50,659 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret3=0} Honda state: {ULTIMATE.start_main_#t~ret3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:50,692 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:50,692 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:50,696 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:50,696 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret1=0} Honda state: {id2_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:50,725 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:50,725 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:50,729 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:50,729 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~input~0=0} Honda state: {ULTIMATE.start_main_~input~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:50,759 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:50,759 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:50,763 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:50,763 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_~ret~1=0} Honda state: {id2_~ret~1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:50,792 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:50,792 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:50,795 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:50,795 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_#t~ret4=0} Honda state: {ULTIMATE.start_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:50,823 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:50,823 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:50,858 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:50,858 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:51,173 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:51,174 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=0, id_~x=0} Honda state: {id_#in~x=-6, id_~x=-6} Generalized eigenvectors: [{id_#in~x=-2, id_~x=-2}, {id_#in~x=4, id_~x=0}, {id_#in~x=-4, id_~x=0}] Lambdas: [1, 0, 0] Nus: [0, 0] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:51,202 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:51,202 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:51,206 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:51,206 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_~x=0} Honda state: {id2_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:51,234 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:51,234 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:51,238 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:51,238 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~result~0=0} Honda state: {ULTIMATE.start_main_~result~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:51,265 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:51,265 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:51,269 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:51,269 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#res=0} Honda state: {id2_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:51,298 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:51,298 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:51,302 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:51,302 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:51,330 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:51,330 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:51,333 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:51,334 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~ret~0=0} Honda state: {id_~ret~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:51,361 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:51,361 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:51,365 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:51,365 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.12/8.52 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.12/8.52 Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.12/8.52 [2019-03-28 12:23:51,392 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.12/8.52 [2019-03-28 12:23:51,392 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.12/8.52 [2019-03-28 12:23:51,396 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.12/8.52 [2019-03-28 12:23:51,396 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.12/8.52 [2019-03-28 12:23:51,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:23:51 BasicIcfg 18.12/8.52 [2019-03-28 12:23:51,443 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 18.12/8.52 [2019-03-28 12:23:51,443 INFO L168 Benchmark]: Toolchain (without parser) took 4084.77 ms. Allocated memory was 649.6 MB in the beginning and 758.6 MB in the end (delta: 109.1 MB). Free memory was 564.5 MB in the beginning and 641.3 MB in the end (delta: -76.7 MB). Peak memory consumption was 225.0 MB. Max. memory is 50.3 GB. 18.12/8.52 [2019-03-28 12:23:51,445 INFO L168 Benchmark]: CDTParser took 0.16 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. 18.12/8.52 [2019-03-28 12:23:51,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.71 ms. Allocated memory was 649.6 MB in the beginning and 694.2 MB in the end (delta: 44.6 MB). Free memory was 563.5 MB in the beginning and 661.8 MB in the end (delta: -98.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 50.3 GB. 18.12/8.52 [2019-03-28 12:23:51,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.51 ms. Allocated memory is still 694.2 MB. Free memory was 661.8 MB in the beginning and 660.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 18.12/8.52 [2019-03-28 12:23:51,447 INFO L168 Benchmark]: Boogie Preprocessor took 18.63 ms. Allocated memory is still 694.2 MB. Free memory was 660.7 MB in the beginning and 659.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 18.12/8.52 [2019-03-28 12:23:51,447 INFO L168 Benchmark]: RCFGBuilder took 234.89 ms. Allocated memory is still 694.2 MB. Free memory was 659.6 MB in the beginning and 641.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 50.3 GB. 18.12/8.52 [2019-03-28 12:23:51,448 INFO L168 Benchmark]: BlockEncodingV2 took 87.11 ms. Allocated memory is still 694.2 MB. Free memory was 641.9 MB in the beginning and 635.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 18.12/8.52 [2019-03-28 12:23:51,448 INFO L168 Benchmark]: TraceAbstraction took 165.51 ms. Allocated memory is still 694.2 MB. Free memory was 635.5 MB in the beginning and 624.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 18.12/8.52 [2019-03-28 12:23:51,449 INFO L168 Benchmark]: BuchiAutomizer took 3232.95 ms. Allocated memory was 694.2 MB in the beginning and 758.6 MB in the end (delta: 64.5 MB). Free memory was 624.7 MB in the beginning and 641.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 240.6 MB. Max. memory is 50.3 GB. 18.12/8.52 [2019-03-28 12:23:51,453 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 18.12/8.52 --- Results --- 18.12/8.52 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 18.12/8.52 - StatisticsResult: Initial Icfg 18.12/8.52 22 locations, 27 edges 18.12/8.52 - StatisticsResult: Encoded RCFG 18.12/8.52 16 locations, 22 edges 18.12/8.52 * Results from de.uni_freiburg.informatik.ultimate.core: 18.12/8.52 - StatisticsResult: Toolchain Benchmarks 18.12/8.52 Benchmark results are: 18.12/8.52 * CDTParser took 0.16 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. 18.12/8.52 * CACSL2BoogieTranslator took 302.71 ms. Allocated memory was 649.6 MB in the beginning and 694.2 MB in the end (delta: 44.6 MB). Free memory was 563.5 MB in the beginning and 661.8 MB in the end (delta: -98.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 50.3 GB. 18.12/8.52 * Boogie Procedure Inliner took 37.51 ms. Allocated memory is still 694.2 MB. Free memory was 661.8 MB in the beginning and 660.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 18.12/8.52 * Boogie Preprocessor took 18.63 ms. Allocated memory is still 694.2 MB. Free memory was 660.7 MB in the beginning and 659.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 18.12/8.52 * RCFGBuilder took 234.89 ms. Allocated memory is still 694.2 MB. Free memory was 659.6 MB in the beginning and 641.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 50.3 GB. 18.12/8.52 * BlockEncodingV2 took 87.11 ms. Allocated memory is still 694.2 MB. Free memory was 641.9 MB in the beginning and 635.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 18.12/8.52 * TraceAbstraction took 165.51 ms. Allocated memory is still 694.2 MB. Free memory was 635.5 MB in the beginning and 624.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 18.12/8.52 * BuchiAutomizer took 3232.95 ms. Allocated memory was 694.2 MB in the beginning and 758.6 MB in the end (delta: 64.5 MB). Free memory was 624.7 MB in the beginning and 641.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 240.6 MB. Max. memory is 50.3 GB. 18.12/8.52 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 18.12/8.52 - AllSpecificationsHoldResult: All specifications hold 18.12/8.52 We were not able to verify any specifiation because the program does not contain any specification. 18.12/8.52 - StatisticsResult: Ultimate Automizer benchmark data 18.12/8.52 CFG has 3 procedures, 16 locations, 0 error locations. SAFE Result, 0.1s 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=16occurred 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, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 18.12/8.52 - StatisticsResult: Constructed decomposition of program 18.12/8.52 Your program was decomposed into 2 terminating modules (1 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function \old(x) and consists of 9 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 20 locations. 18.12/8.52 - StatisticsResult: Timing statistics 18.12/8.52 BüchiAutomizer plugin needed 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 32 SDtfs, 51 SDslu, 73 SDs, 0 SdLazy, 107 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq167 hnf93 smp100 dnf100 smp100 tf108 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 24 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s 18.12/8.52 - TerminationAnalysisResult: Nontermination possible 18.12/8.52 Buchi Automizer proved that your program is nonterminating for some inputs 18.12/8.52 - GeometricNonTerminationArgumentResult [Line: 8]: Nontermination argument in form of an infinite program execution. 18.12/8.52 Nontermination argument in form of an infinite execution 18.12/8.52 {id_~x=0, |id_#t~ret0|=0, id2_~ret~1=0, id2_~x=0, |ULTIMATE.start_main_#t~nondet2|=0, ULTIMATE.start_main_~input~0=0, id_~ret~0=0, |id2_#res|=0, ULTIMATE.start_main_~result~0=0, |ULTIMATE.start_#t~ret4|=0, |id2_#in~x|=0, |id_#res|=0, |ULTIMATE.start_main_#res|=0, |id_#in~x|=0, |id2_#t~ret1|=0, |ULTIMATE.start_main_#t~ret3|=0} 18.12/8.52 {\result=0, \result=0, x=-6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@377d6a42=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1dba0cf5=0, x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1227820c=0, \old(x)=0, ret=0, \result=0, input=0, result=0, \old(x)=-6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f5d8caf=0, ret=0, NULL=0} 18.12/8.52 {\result=0, \result=0, x=-8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@377d6a42=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1dba0cf5=0, x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1227820c=0, \old(x)=0, ret=0, \result=0, input=0, result=0, \old(x)=-8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f5d8caf=0, ret=0, NULL=0} 18.12/8.52 {\result=0, \result=0, x=-10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@377d6a42=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1dba0cf5=0, x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1227820c=0, \old(x)=0, ret=0, \result=0, input=0, result=0, \old(x)=-10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f5d8caf=0, ret=0, NULL=0} 18.12/8.52 {\result=0, \result=0, x=-12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@377d6a42=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1dba0cf5=0, x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1227820c=0, \old(x)=0, ret=0, \result=0, input=0, result=0, \old(x)=-12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f5d8caf=0, ret=0, NULL=0} 18.12/8.52 {\result=0, \result=0, x=-14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@377d6a42=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1dba0cf5=0, x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1227820c=0, \old(x)=0, ret=0, \result=0, input=0, result=0, \old(x)=-14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f5d8caf=0, ret=0, NULL=0} 18.12/8.52 - StatisticsResult: NonterminationArgumentStatistics 18.12/8.52 Unbounded Execution 3GEVs Lambdas: [1, 0, 0] Mus: [0, 0] 18.12/8.52 - NonterminatingLassoResult [Line: 8]: Nonterminating execution 18.12/8.52 Found a nonterminating execution for the following lasso shaped sequence of statements. 18.12/8.52 Stem: 18.12/8.52 [L22] int input = __VERIFIER_nondet_int(); 18.12/8.52 [L23] CALL id(input) 18.12/8.52 Loop: 18.12/8.52 [L8] COND FALSE !(x==0) 18.12/8.52 [L9] CALL id2(x-1) 18.12/8.52 [L15] COND FALSE !(x==0) 18.12/8.52 [L16] CALL id(x-1) 18.12/8.52 End of lasso representation. 18.12/8.52 RESULT: Ultimate proved your program to be incorrect! 18.12/8.52 !SESSION 2019-03-28 12:23:44.058 ----------------------------------------------- 18.12/8.52 eclipse.buildId=unknown 18.12/8.52 java.version=1.8.0_181 18.12/8.52 java.vendor=Oracle Corporation 18.12/8.52 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 18.12/8.52 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 18.12/8.52 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 18.12/8.52 18.12/8.52 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:23:51.692 18.12/8.52 !MESSAGE The workspace will exit with unsaved changes in this session. 18.12/8.52 Received shutdown request... 18.12/8.52 Ultimate: 18.12/8.52 GTK+ Version Check 18.12/8.52 EOF