15.72/7.28 YES 15.72/7.28 15.72/7.29 Ultimate: Cannot open display: 15.72/7.29 This is Ultimate 0.1.24-8dc7c08-m 15.72/7.29 [2019-03-28 12:23:45,946 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.72/7.29 [2019-03-28 12:23:45,948 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.72/7.29 [2019-03-28 12:23:45,960 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.72/7.29 [2019-03-28 12:23:45,960 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.72/7.29 [2019-03-28 12:23:45,961 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.72/7.29 [2019-03-28 12:23:45,962 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.72/7.29 [2019-03-28 12:23:45,964 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.72/7.29 [2019-03-28 12:23:45,965 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.72/7.29 [2019-03-28 12:23:45,966 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.72/7.29 [2019-03-28 12:23:45,967 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.72/7.29 [2019-03-28 12:23:45,967 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.72/7.29 [2019-03-28 12:23:45,968 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.72/7.29 [2019-03-28 12:23:45,969 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.72/7.29 [2019-03-28 12:23:45,970 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.72/7.29 [2019-03-28 12:23:45,971 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.72/7.29 [2019-03-28 12:23:45,971 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.72/7.29 [2019-03-28 12:23:45,973 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.72/7.29 [2019-03-28 12:23:45,975 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.72/7.29 [2019-03-28 12:23:45,976 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.72/7.29 [2019-03-28 12:23:45,977 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.72/7.29 [2019-03-28 12:23:45,979 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.72/7.29 [2019-03-28 12:23:45,981 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.72/7.29 [2019-03-28 12:23:45,981 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.72/7.29 [2019-03-28 12:23:45,981 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.72/7.29 [2019-03-28 12:23:45,982 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.72/7.29 [2019-03-28 12:23:45,982 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.72/7.29 [2019-03-28 12:23:45,983 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.72/7.29 [2019-03-28 12:23:45,984 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.72/7.29 [2019-03-28 12:23:45,984 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.72/7.29 [2019-03-28 12:23:45,985 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.72/7.29 [2019-03-28 12:23:45,986 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.72/7.29 [2019-03-28 12:23:45,987 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.72/7.29 [2019-03-28 12:23:45,987 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.72/7.29 [2019-03-28 12:23:45,988 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.72/7.29 [2019-03-28 12:23:45,988 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.72/7.29 [2019-03-28 12:23:45,988 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.72/7.29 [2019-03-28 12:23:45,989 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.72/7.29 [2019-03-28 12:23:45,990 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.72/7.29 [2019-03-28 12:23:45,990 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.72/7.29 [2019-03-28 12:23:46,005 INFO L110 SettingsManager]: Loading preferences was successful 15.72/7.29 [2019-03-28 12:23:46,005 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.72/7.29 [2019-03-28 12:23:46,006 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.72/7.29 [2019-03-28 12:23:46,006 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.72/7.29 [2019-03-28 12:23:46,006 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.72/7.29 [2019-03-28 12:23:46,006 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.72/7.29 [2019-03-28 12:23:46,007 INFO L133 SettingsManager]: * Use SBE=true 15.72/7.29 [2019-03-28 12:23:46,007 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.72/7.29 [2019-03-28 12:23:46,007 INFO L133 SettingsManager]: * Use old map elimination=false 15.72/7.29 [2019-03-28 12:23:46,007 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.72/7.29 [2019-03-28 12:23:46,007 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.72/7.29 [2019-03-28 12:23:46,008 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.72/7.29 [2019-03-28 12:23:46,008 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.72/7.29 [2019-03-28 12:23:46,008 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.72/7.29 [2019-03-28 12:23:46,008 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:46,008 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.72/7.29 [2019-03-28 12:23:46,008 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.72/7.29 [2019-03-28 12:23:46,009 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.72/7.29 [2019-03-28 12:23:46,009 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.72/7.29 [2019-03-28 12:23:46,009 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.72/7.29 [2019-03-28 12:23:46,009 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.72/7.29 [2019-03-28 12:23:46,009 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.72/7.29 [2019-03-28 12:23:46,009 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.72/7.29 [2019-03-28 12:23:46,010 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.72/7.29 [2019-03-28 12:23:46,010 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.72/7.29 [2019-03-28 12:23:46,010 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.72/7.29 [2019-03-28 12:23:46,010 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.72/7.29 [2019-03-28 12:23:46,010 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.72/7.29 [2019-03-28 12:23:46,010 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.72/7.29 [2019-03-28 12:23:46,036 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.72/7.29 [2019-03-28 12:23:46,049 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.72/7.29 [2019-03-28 12:23:46,053 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.72/7.29 [2019-03-28 12:23:46,054 INFO L271 PluginConnector]: Initializing CDTParser... 15.72/7.29 [2019-03-28 12:23:46,055 INFO L276 PluginConnector]: CDTParser initialized 15.72/7.29 [2019-03-28 12:23:46,055 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.72/7.29 [2019-03-28 12:23:46,118 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/7563918f59ce47288349ed729480e23a/FLAGc0e7a36b7 15.72/7.29 [2019-03-28 12:23:46,464 INFO L307 CDTParser]: Found 1 translation units. 15.72/7.29 [2019-03-28 12:23:46,465 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.72/7.29 [2019-03-28 12:23:46,472 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/7563918f59ce47288349ed729480e23a/FLAGc0e7a36b7 15.72/7.29 [2019-03-28 12:23:46,870 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/7563918f59ce47288349ed729480e23a 15.72/7.29 [2019-03-28 12:23:46,882 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.72/7.29 [2019-03-28 12:23:46,883 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.72/7.29 [2019-03-28 12:23:46,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.72/7.29 [2019-03-28 12:23:46,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.72/7.29 [2019-03-28 12:23:46,889 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.72/7.29 [2019-03-28 12:23:46,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:23:46" (1/1) ... 15.72/7.29 [2019-03-28 12:23:46,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8cb0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:23:46, skipping insertion in model container 15.72/7.29 [2019-03-28 12:23:46,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:23:46" (1/1) ... 15.72/7.29 [2019-03-28 12:23:46,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.72/7.29 [2019-03-28 12:23:46,918 INFO L176 MainTranslator]: Built tables and reachable declarations 15.72/7.29 [2019-03-28 12:23:47,072 INFO L206 PostProcessor]: Analyzing one entry point: main 15.72/7.29 [2019-03-28 12:23:47,076 INFO L191 MainTranslator]: Completed pre-run 15.72/7.29 [2019-03-28 12:23:47,092 INFO L206 PostProcessor]: Analyzing one entry point: main 15.72/7.29 [2019-03-28 12:23:47,107 INFO L195 MainTranslator]: Completed translation 15.72/7.29 [2019-03-28 12:23:47,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:23:47 WrapperNode 15.72/7.29 [2019-03-28 12:23:47,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.72/7.29 [2019-03-28 12:23:47,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.72/7.29 [2019-03-28 12:23:47,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.72/7.29 [2019-03-28 12:23:47,109 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.72/7.29 [2019-03-28 12:23:47,173 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) ... 15.72/7.29 [2019-03-28 12:23:47,179 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) ... 15.72/7.29 [2019-03-28 12:23:47,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.72/7.29 [2019-03-28 12:23:47,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.72/7.29 [2019-03-28 12:23:47,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.72/7.29 [2019-03-28 12:23:47,200 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.72/7.29 [2019-03-28 12:23:47,210 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) ... 15.72/7.29 [2019-03-28 12:23:47,211 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) ... 15.72/7.29 [2019-03-28 12:23:47,211 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) ... 15.72/7.29 [2019-03-28 12:23:47,211 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) ... 15.72/7.29 [2019-03-28 12:23:47,213 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) ... 15.72/7.29 [2019-03-28 12:23:47,215 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) ... 15.72/7.29 [2019-03-28 12:23:47,216 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) ... 15.72/7.29 [2019-03-28 12:23:47,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.72/7.29 [2019-03-28 12:23:47,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.72/7.29 [2019-03-28 12:23:47,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.72/7.29 [2019-03-28 12:23:47,218 INFO L276 PluginConnector]: RCFGBuilder initialized 15.72/7.29 [2019-03-28 12:23:47,219 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) ... 15.72/7.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.72/7.29 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.72/7.29 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.72/7.29 [2019-03-28 12:23:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.72/7.29 [2019-03-28 12:23:47,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.72/7.29 [2019-03-28 12:23:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure id 15.72/7.29 [2019-03-28 12:23:47,292 INFO L138 BoogieDeclarations]: Found implementation of procedure id 15.72/7.29 [2019-03-28 12:23:47,421 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.72/7.29 [2019-03-28 12:23:47,421 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. 15.72/7.29 [2019-03-28 12:23:47,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:23:47 BoogieIcfgContainer 15.72/7.29 [2019-03-28 12:23:47,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.72/7.29 [2019-03-28 12:23:47,423 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.72/7.29 [2019-03-28 12:23:47,423 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.72/7.29 [2019-03-28 12:23:47,426 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.72/7.29 [2019-03-28 12:23:47,427 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) ... 15.72/7.29 [2019-03-28 12:23:47,442 INFO L313 BlockEncoder]: Initial Icfg 14 locations, 16 edges 15.72/7.29 [2019-03-28 12:23:47,444 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.72/7.29 [2019-03-28 12:23:47,445 INFO L263 BlockEncoder]: Using Maximize final states 15.72/7.29 [2019-03-28 12:23:47,445 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.72/7.29 [2019-03-28 12:23:47,445 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.72/7.29 [2019-03-28 12:23:47,447 INFO L296 BlockEncoder]: Using Remove sink states 15.72/7.29 [2019-03-28 12:23:47,448 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.72/7.29 [2019-03-28 12:23:47,448 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.72/7.29 [2019-03-28 12:23:47,464 INFO L185 BlockEncoder]: Using Use SBE 15.72/7.29 [2019-03-28 12:23:47,478 INFO L200 BlockEncoder]: SBE split 2 edges 15.72/7.29 [2019-03-28 12:23:47,483 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.72/7.29 [2019-03-28 12:23:47,485 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.72/7.29 [2019-03-28 12:23:47,493 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 15.72/7.29 [2019-03-28 12:23:47,495 INFO L70 RemoveSinkStates]: Removed 6 edges and 5 locations by removing sink states 15.72/7.29 [2019-03-28 12:23:47,497 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.72/7.29 [2019-03-28 12:23:47,497 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.72/7.29 [2019-03-28 12:23:47,498 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.72/7.29 [2019-03-28 12:23:47,498 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.72/7.29 [2019-03-28 12:23:47,499 INFO L313 BlockEncoder]: Encoded RCFG 8 locations, 10 edges 15.72/7.29 [2019-03-28 12:23:47,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:23:47 BasicIcfg 15.72/7.29 [2019-03-28 12:23:47,499 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.72/7.29 [2019-03-28 12:23:47,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.72/7.29 [2019-03-28 12:23:47,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.72/7.29 [2019-03-28 12:23:47,504 INFO L276 PluginConnector]: TraceAbstraction initialized 15.72/7.29 [2019-03-28 12:23:47,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:23:46" (1/4) ... 15.72/7.29 [2019-03-28 12:23:47,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100150ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:23:47, skipping insertion in model container 15.72/7.29 [2019-03-28 12:23:47,505 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) ... 15.72/7.29 [2019-03-28 12:23:47,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100150ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:23:47, skipping insertion in model container 15.72/7.29 [2019-03-28 12:23:47,506 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) ... 15.72/7.29 [2019-03-28 12:23:47,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100150ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:23:47, skipping insertion in model container 15.72/7.29 [2019-03-28 12:23:47,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:23:47" (4/4) ... 15.72/7.29 [2019-03-28 12:23:47,509 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.72/7.29 [2019-03-28 12:23:47,519 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.72/7.29 [2019-03-28 12:23:47,528 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.72/7.29 [2019-03-28 12:23:47,548 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.72/7.29 [2019-03-28 12:23:47,579 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.72/7.29 [2019-03-28 12:23:47,580 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.72/7.29 [2019-03-28 12:23:47,580 INFO L383 AbstractCegarLoop]: Hoare is true 15.72/7.29 [2019-03-28 12:23:47,580 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.72/7.29 [2019-03-28 12:23:47,580 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.72/7.29 [2019-03-28 12:23:47,580 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.72/7.29 [2019-03-28 12:23:47,580 INFO L387 AbstractCegarLoop]: Difference is false 15.72/7.29 [2019-03-28 12:23:47,581 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.72/7.29 [2019-03-28 12:23:47,581 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.72/7.29 [2019-03-28 12:23:47,599 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. 15.72/7.29 [2019-03-28 12:23:47,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.72/7.29 [2019-03-28 12:23:47,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. 15.72/7.29 [2019-03-28 12:23:47,672 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.72/7.29 [2019-03-28 12:23:47,672 INFO L451 ceAbstractionStarter]: At program point L11(line 11) the Hoare annotation is: true 15.72/7.29 [2019-03-28 12:23:47,672 INFO L448 ceAbstractionStarter]: For program point idFINAL(lines 4 7) no Hoare annotation was computed. 15.72/7.29 [2019-03-28 12:23:47,673 INFO L448 ceAbstractionStarter]: For program point idEXIT(lines 4 7) no Hoare annotation was computed. 15.72/7.29 [2019-03-28 12:23:47,673 INFO L451 ceAbstractionStarter]: At program point idENTRY(lines 4 7) the Hoare annotation is: true 15.72/7.29 [2019-03-28 12:23:47,673 INFO L451 ceAbstractionStarter]: At program point L6(line 6) the Hoare annotation is: true 15.72/7.29 [2019-03-28 12:23:47,673 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. 15.72/7.29 [2019-03-28 12:23:47,674 INFO L448 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. 15.72/7.29 [2019-03-28 12:23:47,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:23:47 BasicIcfg 15.72/7.29 [2019-03-28 12:23:47,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.72/7.29 [2019-03-28 12:23:47,678 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.72/7.29 [2019-03-28 12:23:47,678 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.72/7.29 [2019-03-28 12:23:47,682 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.72/7.29 [2019-03-28 12:23:47,683 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.72/7.29 [2019-03-28 12:23:47,684 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:23:46" (1/5) ... 15.72/7.29 [2019-03-28 12:23:47,685 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2413697a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:23:47, skipping insertion in model container 15.72/7.29 [2019-03-28 12:23:47,685 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.72/7.29 [2019-03-28 12:23:47,685 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) ... 15.72/7.29 [2019-03-28 12:23:47,685 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2413697a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:23:47, skipping insertion in model container 15.72/7.29 [2019-03-28 12:23:47,685 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.72/7.29 [2019-03-28 12:23:47,686 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) ... 15.72/7.29 [2019-03-28 12:23:47,686 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2413697a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:23:47, skipping insertion in model container 15.72/7.29 [2019-03-28 12:23:47,686 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.72/7.29 [2019-03-28 12:23:47,686 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:23:47" (4/5) ... 15.72/7.29 [2019-03-28 12:23:47,687 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2413697a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:23:47, skipping insertion in model container 15.72/7.29 [2019-03-28 12:23:47,687 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.72/7.29 [2019-03-28 12:23:47,687 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:23:47" (5/5) ... 15.72/7.29 [2019-03-28 12:23:47,691 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.72/7.29 [2019-03-28 12:23:47,722 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.72/7.29 [2019-03-28 12:23:47,723 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.72/7.29 [2019-03-28 12:23:47,723 INFO L375 BuchiCegarLoop]: Hoare is true 15.72/7.29 [2019-03-28 12:23:47,723 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.72/7.29 [2019-03-28 12:23:47,723 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.72/7.29 [2019-03-28 12:23:47,723 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.72/7.29 [2019-03-28 12:23:47,724 INFO L379 BuchiCegarLoop]: Difference is false 15.72/7.29 [2019-03-28 12:23:47,724 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.72/7.29 [2019-03-28 12:23:47,724 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.72/7.29 [2019-03-28 12:23:47,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. 15.72/7.29 [2019-03-28 12:23:47,745 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.72/7.29 [2019-03-28 12:23:47,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.72/7.29 [2019-03-28 12:23:47,746 INFO L119 BuchiIsEmpty]: Starting construction of run 15.72/7.29 [2019-03-28 12:23:47,753 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.72/7.29 [2019-03-28 12:23:47,753 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.72/7.29 [2019-03-28 12:23:47,753 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.72/7.29 [2019-03-28 12:23:47,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. 15.72/7.29 [2019-03-28 12:23:47,755 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.72/7.29 [2019-03-28 12:23:47,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.72/7.29 [2019-03-28 12:23:47,755 INFO L119 BuchiIsEmpty]: Starting construction of run 15.72/7.29 [2019-03-28 12:23:47,755 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.72/7.29 [2019-03-28 12:23:47,755 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.72/7.29 [2019-03-28 12:23:47,761 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [29] ULTIMATE.startENTRY-->L11: Formula: (= v_ULTIMATE.start_main_~input~0_1 10) InVars {} OutVars{ULTIMATE.start_main_#t~ret1=|v_ULTIMATE.start_main_#t~ret1_1|, ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~input~0, ULTIMATE.start_main_~result~0] 5#L11true [30] L11-->idENTRY: Formula: (= |v_id_#in~xInParam_1| v_ULTIMATE.start_main_~input~0_5) InVars {ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_5} OutVars{id_#in~x=|v_id_#in~xInParam_1|} AuxVars[] AssignedVars[id_#in~x]< 7#idENTRYtrue 15.72/7.29 [2019-03-28 12:23:47,761 INFO L796 eck$LassoCheckResult]: Loop: 7#idENTRYtrue [31] idENTRY-->L5: Formula: (= v_id_~x_4 |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_4} AuxVars[] AssignedVars[id_~x] 9#L5true [44] L5-->L6: Formula: (< 0 v_id_~x_2) InVars {id_~x=v_id_~x_2} OutVars{id_~x=v_id_~x_2} AuxVars[] AssignedVars[] 8#L6true [34] L6-->idENTRY: Formula: (= |v_id_#in~xInParam_2| (+ v_id_~x_5 (- 1))) InVars {id_~x=v_id_~x_5} OutVars{id_#in~x=|v_id_#in~xInParam_2|} AuxVars[] AssignedVars[id_#in~x]< 7#idENTRYtrue 15.72/7.29 [2019-03-28 12:23:47,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.29 [2019-03-28 12:23:47,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1890, now seen corresponding path program 1 times 15.72/7.29 [2019-03-28 12:23:47,769 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.29 [2019-03-28 12:23:47,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.29 [2019-03-28 12:23:47,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:47,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:47,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.29 [2019-03-28 12:23:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.29 [2019-03-28 12:23:47,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.29 [2019-03-28 12:23:47,845 INFO L82 PathProgramCache]: Analyzing trace with hash 60980, now seen corresponding path program 1 times 15.72/7.29 [2019-03-28 12:23:47,845 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.29 [2019-03-28 12:23:47,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.29 [2019-03-28 12:23:47,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:47,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:47,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.29 [2019-03-28 12:23:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.29 [2019-03-28 12:23:47,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.29 [2019-03-28 12:23:47,857 INFO L82 PathProgramCache]: Analyzing trace with hash 56336179, now seen corresponding path program 1 times 15.72/7.29 [2019-03-28 12:23:47,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.29 [2019-03-28 12:23:47,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.29 [2019-03-28 12:23:47,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:47,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:47,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.29 [2019-03-28 12:23:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.29 [2019-03-28 12:23:47,949 INFO L216 LassoAnalysis]: Preferences: 15.72/7.29 [2019-03-28 12:23:47,950 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.72/7.29 [2019-03-28 12:23:47,950 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.72/7.29 [2019-03-28 12:23:47,951 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.72/7.29 [2019-03-28 12:23:47,951 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.72/7.29 [2019-03-28 12:23:47,951 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:47,951 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.72/7.29 [2019-03-28 12:23:47,951 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.72/7.29 [2019-03-28 12:23:47,952 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.72/7.29 [2019-03-28 12:23:47,952 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.72/7.29 [2019-03-28 12:23:47,952 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.72/7.29 [2019-03-28 12:23:47,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.29 [2019-03-28 12:23:47,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.29 [2019-03-28 12:23:47,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.29 [2019-03-28 12:23:47,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.29 [2019-03-28 12:23:48,041 INFO L300 LassoAnalysis]: Preprocessing complete. 15.72/7.29 [2019-03-28 12:23:48,042 INFO L412 LassoAnalysis]: Checking for nontermination... 15.72/7.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.72/7.29 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.29 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:48,050 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.72/7.29 [2019-03-28 12:23:48,050 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.29 [2019-03-28 12:23:48,059 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.72/7.29 [2019-03-28 12:23:48,060 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.72/7.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.72/7.29 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.29 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:48,089 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.72/7.29 [2019-03-28 12:23:48,090 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.29 [2019-03-28 12:23:48,094 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.72/7.29 [2019-03-28 12:23:48,094 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.72/7.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.72/7.29 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.29 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:48,122 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.72/7.29 [2019-03-28 12:23:48,122 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.72/7.29 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.29 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:48,158 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.72/7.29 [2019-03-28 12:23:48,158 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.29 [2019-03-28 12:23:48,189 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.72/7.29 [2019-03-28 12:23:48,191 INFO L216 LassoAnalysis]: Preferences: 15.72/7.29 [2019-03-28 12:23:48,192 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.72/7.29 [2019-03-28 12:23:48,192 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.72/7.29 [2019-03-28 12:23:48,192 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.72/7.29 [2019-03-28 12:23:48,192 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.72/7.29 [2019-03-28 12:23:48,192 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:48,192 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.72/7.29 [2019-03-28 12:23:48,193 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.72/7.29 [2019-03-28 12:23:48,193 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.72/7.29 [2019-03-28 12:23:48,193 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.72/7.29 [2019-03-28 12:23:48,193 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.72/7.29 [2019-03-28 12:23:48,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.29 [2019-03-28 12:23:48,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.29 [2019-03-28 12:23:48,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.29 [2019-03-28 12:23:48,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.29 [2019-03-28 12:23:48,254 INFO L300 LassoAnalysis]: Preprocessing complete. 15.72/7.29 [2019-03-28 12:23:48,260 INFO L497 LassoAnalysis]: Using template 'affine'. 15.72/7.29 [2019-03-28 12:23:48,262 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.72/7.29 Termination analysis: LINEAR_WITH_GUESSES 15.72/7.29 Number of strict supporting invariants: 0 15.72/7.29 Number of non-strict supporting invariants: 1 15.72/7.29 Consider only non-deceasing supporting invariants: true 15.72/7.29 Simplify termination arguments: true 15.72/7.29 Simplify supporting invariants: trueOverapproximate stem: false 15.72/7.29 [2019-03-28 12:23:48,264 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.72/7.29 [2019-03-28 12:23:48,264 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.72/7.29 [2019-03-28 12:23:48,265 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.72/7.29 [2019-03-28 12:23:48,265 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.72/7.29 [2019-03-28 12:23:48,265 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.72/7.29 [2019-03-28 12:23:48,267 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.72/7.29 [2019-03-28 12:23:48,268 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.72/7.29 [2019-03-28 12:23:48,272 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.72/7.29 [2019-03-28 12:23:48,272 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.72/7.29 Termination analysis: LINEAR_WITH_GUESSES 15.72/7.29 Number of strict supporting invariants: 0 15.72/7.29 Number of non-strict supporting invariants: 1 15.72/7.29 Consider only non-deceasing supporting invariants: true 15.72/7.29 Simplify termination arguments: true 15.72/7.29 Simplify supporting invariants: trueOverapproximate stem: false 15.72/7.29 [2019-03-28 12:23:48,273 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.72/7.29 [2019-03-28 12:23:48,273 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.72/7.29 [2019-03-28 12:23:48,274 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.72/7.29 [2019-03-28 12:23:48,274 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.72/7.29 [2019-03-28 12:23:48,274 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.72/7.29 [2019-03-28 12:23:48,275 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.72/7.29 [2019-03-28 12:23:48,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.72/7.29 [2019-03-28 12:23:48,276 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.72/7.29 [2019-03-28 12:23:48,277 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.72/7.29 Termination analysis: LINEAR_WITH_GUESSES 15.72/7.29 Number of strict supporting invariants: 0 15.72/7.29 Number of non-strict supporting invariants: 1 15.72/7.29 Consider only non-deceasing supporting invariants: true 15.72/7.29 Simplify termination arguments: true 15.72/7.29 Simplify supporting invariants: trueOverapproximate stem: false 15.72/7.29 [2019-03-28 12:23:48,278 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.72/7.29 [2019-03-28 12:23:48,278 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.72/7.29 [2019-03-28 12:23:48,278 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.72/7.29 [2019-03-28 12:23:48,278 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.72/7.29 [2019-03-28 12:23:48,278 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.72/7.29 [2019-03-28 12:23:48,279 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.72/7.29 [2019-03-28 12:23:48,279 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.72/7.29 [2019-03-28 12:23:48,285 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.72/7.29 [2019-03-28 12:23:48,291 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.72/7.29 [2019-03-28 12:23:48,291 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.72/7.29 [2019-03-28 12:23:48,293 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.72/7.29 [2019-03-28 12:23:48,293 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.72/7.29 [2019-03-28 12:23:48,294 INFO L518 LassoAnalysis]: Proved termination. 15.72/7.29 [2019-03-28 12:23:48,294 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.72/7.29 Ranking function f(id_#in~x) = 1*id_#in~x 15.72/7.29 Supporting invariants [] 15.72/7.29 [2019-03-28 12:23:48,296 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.72/7.29 [2019-03-28 12:23:48,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.29 [2019-03-28 12:23:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.72/7.29 [2019-03-28 12:23:48,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core 15.72/7.29 [2019-03-28 12:23:48,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.72/7.29 [2019-03-28 12:23:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.72/7.29 [2019-03-28 12:23:48,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjunts are in the unsatisfiable core 15.72/7.29 [2019-03-28 12:23:48,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.72/7.29 [2019-03-28 12:23:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.72/7.29 [2019-03-28 12:23:48,431 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 15.72/7.29 [2019-03-28 12:23:48,436 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 15.72/7.29 [2019-03-28 12:23:48,438 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states. Second operand 4 states. 15.72/7.29 [2019-03-28 12:23:48,539 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states.. Second operand 4 states. Result 57 states and 82 transitions. Complement of second has 24 states. 15.72/7.29 [2019-03-28 12:23:48,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states 15.72/7.29 [2019-03-28 12:23:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.72/7.29 [2019-03-28 12:23:48,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 23 transitions. 15.72/7.29 [2019-03-28 12:23:48,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 2 letters. Loop has 3 letters. 15.72/7.29 [2019-03-28 12:23:48,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.72/7.29 [2019-03-28 12:23:48,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 5 letters. Loop has 3 letters. 15.72/7.29 [2019-03-28 12:23:48,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.72/7.29 [2019-03-28 12:23:48,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 2 letters. Loop has 6 letters. 15.72/7.29 [2019-03-28 12:23:48,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.72/7.29 [2019-03-28 12:23:48,558 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 82 transitions. 15.72/7.29 [2019-03-28 12:23:48,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.72/7.29 [2019-03-28 12:23:48,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 21 states and 26 transitions. 15.72/7.29 [2019-03-28 12:23:48,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 15.72/7.29 [2019-03-28 12:23:48,572 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 15.72/7.29 [2019-03-28 12:23:48,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. 15.72/7.29 [2019-03-28 12:23:48,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.72/7.29 [2019-03-28 12:23:48,573 INFO L706 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. 15.72/7.29 [2019-03-28 12:23:48,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. 15.72/7.29 [2019-03-28 12:23:48,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 11. 15.72/7.29 [2019-03-28 12:23:48,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 15.72/7.29 [2019-03-28 12:23:48,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. 15.72/7.29 [2019-03-28 12:23:48,604 INFO L729 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. 15.72/7.29 [2019-03-28 12:23:48,604 INFO L609 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. 15.72/7.29 [2019-03-28 12:23:48,604 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.72/7.29 [2019-03-28 12:23:48,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. 15.72/7.29 [2019-03-28 12:23:48,605 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.72/7.29 [2019-03-28 12:23:48,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.72/7.29 [2019-03-28 12:23:48,605 INFO L119 BuchiIsEmpty]: Starting construction of run 15.72/7.29 [2019-03-28 12:23:48,605 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 15.72/7.29 [2019-03-28 12:23:48,606 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.72/7.29 [2019-03-28 12:23:48,606 INFO L794 eck$LassoCheckResult]: Stem: 130#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L11: Formula: (= v_ULTIMATE.start_main_~input~0_1 10) InVars {} OutVars{ULTIMATE.start_main_#t~ret1=|v_ULTIMATE.start_main_#t~ret1_1|, ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~input~0, ULTIMATE.start_main_~result~0] 131#L11 [30] L11-->idENTRY: Formula: (= |v_id_#in~xInParam_1| v_ULTIMATE.start_main_~input~0_5) InVars {ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_5} OutVars{id_#in~x=|v_id_#in~xInParam_1|} AuxVars[] AssignedVars[id_#in~x]< 132#idENTRY [31] idENTRY-->L5: Formula: (= v_id_~x_4 |v_id_#in~x_1|) InVars {id_#in~x=|v_id_#in~x_1|} OutVars{id_#in~x=|v_id_#in~x_1|, id_~x=v_id_~x_4} AuxVars[] AssignedVars[id_~x] 135#L5 15.72/7.29 [2019-03-28 12:23:48,606 INFO L796 eck$LassoCheckResult]: Loop: 135#L5 [45] L5-->L6: Formula: (> 0 v_id_~x_2) InVars {id_~x=v_id_~x_2} OutVars{id_~x=v_id_~x_2} AuxVars[] AssignedVars[] 134#L6 [34] L6-->idENTRY: Formula: (= |v_id_#in~xInParam_2| (+ v_id_~x_5 (- 1))) InVars {id_~x=v_id_~x_5} OutVars{id_#in~x=|v_id_#in~xInParam_2|} AuxVars[] AssignedVars[id_#in~x]< 133#idENTRY [31] idENTRY-->L5: Formula: (= v_id_~x_4 |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_4} AuxVars[] AssignedVars[id_~x] 135#L5 15.72/7.29 [2019-03-28 12:23:48,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.29 [2019-03-28 12:23:48,607 INFO L82 PathProgramCache]: Analyzing trace with hash 58621, now seen corresponding path program 1 times 15.72/7.29 [2019-03-28 12:23:48,607 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.29 [2019-03-28 12:23:48,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.29 [2019-03-28 12:23:48,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:48,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:48,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.29 [2019-03-28 12:23:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.29 [2019-03-28 12:23:48,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.29 [2019-03-28 12:23:48,614 INFO L82 PathProgramCache]: Analyzing trace with hash 74121, now seen corresponding path program 1 times 15.72/7.29 [2019-03-28 12:23:48,615 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.29 [2019-03-28 12:23:48,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.29 [2019-03-28 12:23:48,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:48,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:48,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.29 [2019-03-28 12:23:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.29 [2019-03-28 12:23:48,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.29 [2019-03-28 12:23:48,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1746422541, now seen corresponding path program 1 times 15.72/7.29 [2019-03-28 12:23:48,621 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.29 [2019-03-28 12:23:48,622 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.29 [2019-03-28 12:23:48,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:48,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:48,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.72/7.29 [2019-03-28 12:23:48,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.72/7.29 [2019-03-28 12:23:48,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.72/7.29 [2019-03-28 12:23:48,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 15.72/7.29 [2019-03-28 12:23:48,707 INFO L216 LassoAnalysis]: Preferences: 15.72/7.29 [2019-03-28 12:23:48,708 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.72/7.29 [2019-03-28 12:23:48,708 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.72/7.29 [2019-03-28 12:23:48,708 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.72/7.29 [2019-03-28 12:23:48,708 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.72/7.29 [2019-03-28 12:23:48,708 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:48,708 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.72/7.29 [2019-03-28 12:23:48,709 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.72/7.29 [2019-03-28 12:23:48,709 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.72/7.29 [2019-03-28 12:23:48,709 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.72/7.29 [2019-03-28 12:23:48,709 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.72/7.29 [2019-03-28 12:23:48,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.29 [2019-03-28 12:23:48,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.29 [2019-03-28 12:23:48,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.29 [2019-03-28 12:23:48,756 INFO L300 LassoAnalysis]: Preprocessing complete. 15.72/7.29 [2019-03-28 12:23:48,757 INFO L412 LassoAnalysis]: Checking for nontermination... 15.72/7.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.72/7.29 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.29 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:48,761 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.72/7.29 [2019-03-28 12:23:48,762 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.72/7.29 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.29 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:48,800 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.72/7.29 [2019-03-28 12:23:48,800 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.29 [2019-03-28 12:23:49,032 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.72/7.29 [2019-03-28 12:23:49,033 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-6, id_~x=-7} Honda state: {id_#in~x=-6, id_~x=-7} Generalized eigenvectors: [{id_#in~x=-8, id_~x=0}, {id_#in~x=7, id_~x=0}, {id_#in~x=-1, id_~x=-1}] Lambdas: [0, 0, 1] Nus: [0, 0] 15.72/7.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.72/7.29 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.29 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:49,063 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.72/7.29 [2019-03-28 12:23:49,063 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.29 [2019-03-28 12:23:49,067 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.72/7.29 [2019-03-28 12:23:49,067 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.72/7.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.72/7.29 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.29 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:49,100 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.72/7.29 [2019-03-28 12:23:49,101 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.29 [2019-03-28 12:23:49,105 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.72/7.29 [2019-03-28 12:23:49,105 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.72/7.29 [2019-03-28 12:23:49,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. 15.72/7.29 [2019-03-28 12:23:49,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 15.72/7.29 [2019-03-28 12:23:49,135 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 5 states. 15.72/7.29 [2019-03-28 12:23:49,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.72/7.29 [2019-03-28 12:23:49,171 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. 15.72/7.29 [2019-03-28 12:23:49,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 15.72/7.29 [2019-03-28 12:23:49,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. 15.72/7.29 [2019-03-28 12:23:49,175 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.72/7.29 [2019-03-28 12:23:49,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 15 transitions. 15.72/7.29 [2019-03-28 12:23:49,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 15.72/7.29 [2019-03-28 12:23:49,176 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 15.72/7.29 [2019-03-28 12:23:49,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 15 transitions. 15.72/7.29 [2019-03-28 12:23:49,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.72/7.29 [2019-03-28 12:23:49,177 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. 15.72/7.29 [2019-03-28 12:23:49,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 15 transitions. 15.72/7.29 [2019-03-28 12:23:49,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. 15.72/7.29 [2019-03-28 12:23:49,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. 15.72/7.29 [2019-03-28 12:23:49,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. 15.72/7.29 [2019-03-28 12:23:49,179 INFO L729 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. 15.72/7.29 [2019-03-28 12:23:49,180 INFO L609 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. 15.72/7.29 [2019-03-28 12:23:49,180 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.72/7.29 [2019-03-28 12:23:49,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. 15.72/7.29 [2019-03-28 12:23:49,180 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.72/7.29 [2019-03-28 12:23:49,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.72/7.29 [2019-03-28 12:23:49,181 INFO L119 BuchiIsEmpty]: Starting construction of run 15.72/7.29 [2019-03-28 12:23:49,181 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] 15.72/7.29 [2019-03-28 12:23:49,181 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.72/7.29 [2019-03-28 12:23:49,181 INFO L794 eck$LassoCheckResult]: Stem: 167#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L11: Formula: (= v_ULTIMATE.start_main_~input~0_1 10) InVars {} OutVars{ULTIMATE.start_main_#t~ret1=|v_ULTIMATE.start_main_#t~ret1_1|, ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~input~0, ULTIMATE.start_main_~result~0] 168#L11 [30] L11-->idENTRY: Formula: (= |v_id_#in~xInParam_1| v_ULTIMATE.start_main_~input~0_5) InVars {ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_5} OutVars{id_#in~x=|v_id_#in~xInParam_1|} AuxVars[] AssignedVars[id_#in~x]< 169#idENTRY [31] idENTRY-->L5: Formula: (= v_id_~x_4 |v_id_#in~x_1|) InVars {id_#in~x=|v_id_#in~x_1|} OutVars{id_#in~x=|v_id_#in~x_1|, id_~x=v_id_~x_4} AuxVars[] AssignedVars[id_~x] 170#L5 [44] L5-->L6: Formula: (< 0 v_id_~x_2) InVars {id_~x=v_id_~x_2} OutVars{id_~x=v_id_~x_2} AuxVars[] AssignedVars[] 175#L6 [34] L6-->idENTRY: Formula: (= |v_id_#in~xInParam_2| (+ v_id_~x_5 (- 1))) InVars {id_~x=v_id_~x_5} OutVars{id_#in~x=|v_id_#in~xInParam_2|} AuxVars[] AssignedVars[id_#in~x]< 178#idENTRY [31] idENTRY-->L5: Formula: (= v_id_~x_4 |v_id_#in~x_1|) InVars {id_#in~x=|v_id_#in~x_1|} OutVars{id_#in~x=|v_id_#in~x_1|, id_~x=v_id_~x_4} AuxVars[] AssignedVars[id_~x] 177#L5 15.72/7.29 [2019-03-28 12:23:49,182 INFO L796 eck$LassoCheckResult]: Loop: 177#L5 [45] L5-->L6: Formula: (> 0 v_id_~x_2) InVars {id_~x=v_id_~x_2} OutVars{id_~x=v_id_~x_2} AuxVars[] AssignedVars[] 174#L6 [34] L6-->idENTRY: Formula: (= |v_id_#in~xInParam_2| (+ v_id_~x_5 (- 1))) InVars {id_~x=v_id_~x_5} OutVars{id_#in~x=|v_id_#in~xInParam_2|} AuxVars[] AssignedVars[id_#in~x]< 176#idENTRY [31] idENTRY-->L5: Formula: (= v_id_~x_4 |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_4} AuxVars[] AssignedVars[id_~x] 177#L5 15.72/7.29 [2019-03-28 12:23:49,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.29 [2019-03-28 12:23:49,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1746421580, now seen corresponding path program 2 times 15.72/7.29 [2019-03-28 12:23:49,182 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.29 [2019-03-28 12:23:49,182 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.29 [2019-03-28 12:23:49,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:49,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:49,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.29 [2019-03-28 12:23:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.29 [2019-03-28 12:23:49,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.29 [2019-03-28 12:23:49,194 INFO L82 PathProgramCache]: Analyzing trace with hash 74121, now seen corresponding path program 2 times 15.72/7.29 [2019-03-28 12:23:49,194 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.29 [2019-03-28 12:23:49,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.29 [2019-03-28 12:23:49,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:49,195 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:49,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.29 [2019-03-28 12:23:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.72/7.29 [2019-03-28 12:23:49,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.72/7.29 [2019-03-28 12:23:49,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1588489634, now seen corresponding path program 1 times 15.72/7.29 [2019-03-28 12:23:49,201 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.72/7.29 [2019-03-28 12:23:49,202 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.72/7.29 [2019-03-28 12:23:49,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:49,203 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:49,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.72/7.29 [2019-03-28 12:23:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.72/7.29 [2019-03-28 12:23:49,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.72/7.29 [2019-03-28 12:23:49,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.72/7.29 [2019-03-28 12:23:49,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 15.72/7.29 [2019-03-28 12:23:49,275 INFO L216 LassoAnalysis]: Preferences: 15.72/7.29 [2019-03-28 12:23:49,275 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.72/7.29 [2019-03-28 12:23:49,276 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.72/7.29 [2019-03-28 12:23:49,276 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.72/7.29 [2019-03-28 12:23:49,276 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.72/7.29 [2019-03-28 12:23:49,276 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:49,276 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.72/7.29 [2019-03-28 12:23:49,276 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.72/7.29 [2019-03-28 12:23:49,276 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.72/7.29 [2019-03-28 12:23:49,276 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.72/7.29 [2019-03-28 12:23:49,277 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.72/7.29 [2019-03-28 12:23:49,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.29 [2019-03-28 12:23:49,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.29 [2019-03-28 12:23:49,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.72/7.29 [2019-03-28 12:23:49,324 INFO L300 LassoAnalysis]: Preprocessing complete. 15.72/7.29 [2019-03-28 12:23:49,324 INFO L412 LassoAnalysis]: Checking for nontermination... 15.72/7.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.72/7.29 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.29 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:49,329 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.72/7.29 [2019-03-28 12:23:49,329 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.29 [2019-03-28 12:23:49,333 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.72/7.29 [2019-03-28 12:23:49,334 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.72/7.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.72/7.29 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.29 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:49,362 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.72/7.29 [2019-03-28 12:23:49,362 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.72/7.29 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.29 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:49,398 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.72/7.29 [2019-03-28 12:23:49,398 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.29 [2019-03-28 12:23:49,612 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.72/7.29 [2019-03-28 12:23:49,612 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=7, id_~x=-7} Honda state: {id_#in~x=7, id_~x=-7} Generalized eigenvectors: [{id_#in~x=-6, id_~x=0}, {id_#in~x=-8, id_~x=0}, {id_#in~x=-1, id_~x=-1}] Lambdas: [0, 0, 1] Nus: [0, 0] 15.72/7.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.72/7.29 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.72/7.29 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.72/7.29 [2019-03-28 12:23:49,642 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.72/7.29 [2019-03-28 12:23:49,642 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.72/7.29 [2019-03-28 12:23:49,646 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.72/7.29 [2019-03-28 12:23:49,646 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.72/7.29 [2019-03-28 12:23:49,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. 15.72/7.29 [2019-03-28 12:23:49,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 15.72/7.29 [2019-03-28 12:23:49,671 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand 5 states. 15.72/7.29 [2019-03-28 12:23:49,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.72/7.29 [2019-03-28 12:23:49,699 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. 15.72/7.29 [2019-03-28 12:23:49,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 15.72/7.29 [2019-03-28 12:23:49,701 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 9 transitions. 15.72/7.29 [2019-03-28 12:23:49,702 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.72/7.29 [2019-03-28 12:23:49,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. 15.72/7.29 [2019-03-28 12:23:49,702 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.72/7.29 [2019-03-28 12:23:49,702 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.72/7.29 [2019-03-28 12:23:49,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.72/7.29 [2019-03-28 12:23:49,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.72/7.29 [2019-03-28 12:23:49,703 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.72/7.29 [2019-03-28 12:23:49,703 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.72/7.29 [2019-03-28 12:23:49,703 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.72/7.29 [2019-03-28 12:23:49,703 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.72/7.29 [2019-03-28 12:23:49,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.72/7.29 [2019-03-28 12:23:49,703 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.72/7.29 [2019-03-28 12:23:49,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.72/7.29 [2019-03-28 12:23:49,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:23:49 BasicIcfg 15.72/7.29 [2019-03-28 12:23:49,710 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.72/7.29 [2019-03-28 12:23:49,710 INFO L168 Benchmark]: Toolchain (without parser) took 2827.80 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 563.8 MB in the beginning and 437.8 MB in the end (delta: 126.0 MB). Peak memory consumption was 145.4 MB. Max. memory is 50.3 GB. 15.72/7.29 [2019-03-28 12:23:49,712 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.72/7.29 [2019-03-28 12:23:49,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.38 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.72/7.29 [2019-03-28 12:23:49,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.40 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 554.3 MB in the beginning and 635.3 MB in the end (delta: -81.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 15.72/7.29 [2019-03-28 12:23:49,714 INFO L168 Benchmark]: Boogie Preprocessor took 17.08 ms. Allocated memory is still 669.0 MB. Free memory is still 635.3 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.72/7.29 [2019-03-28 12:23:49,715 INFO L168 Benchmark]: RCFGBuilder took 205.25 ms. Allocated memory is still 669.0 MB. Free memory was 635.3 MB in the beginning and 619.3 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 50.3 GB. 15.72/7.29 [2019-03-28 12:23:49,715 INFO L168 Benchmark]: BlockEncodingV2 took 75.99 ms. Allocated memory is still 669.0 MB. Free memory was 619.3 MB in the beginning and 614.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 15.72/7.29 [2019-03-28 12:23:49,716 INFO L168 Benchmark]: TraceAbstraction took 177.53 ms. Allocated memory is still 669.0 MB. Free memory was 614.2 MB in the beginning and 603.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 15.72/7.29 [2019-03-28 12:23:49,716 INFO L168 Benchmark]: BuchiAutomizer took 2031.49 ms. Allocated memory is still 669.0 MB. Free memory was 603.4 MB in the beginning and 437.8 MB in the end (delta: 165.6 MB). Peak memory consumption was 165.6 MB. Max. memory is 50.3 GB. 15.72/7.29 [2019-03-28 12:23:49,721 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.72/7.29 --- Results --- 15.72/7.29 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.72/7.29 - StatisticsResult: Initial Icfg 15.72/7.29 14 locations, 16 edges 15.72/7.29 - StatisticsResult: Encoded RCFG 15.72/7.29 8 locations, 10 edges 15.72/7.29 * Results from de.uni_freiburg.informatik.ultimate.core: 15.72/7.29 - StatisticsResult: Toolchain Benchmarks 15.72/7.29 Benchmark results are: 15.72/7.29 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.72/7.29 * CACSL2BoogieTranslator took 223.38 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.72/7.29 * Boogie Procedure Inliner took 91.40 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 554.3 MB in the beginning and 635.3 MB in the end (delta: -81.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 15.72/7.29 * Boogie Preprocessor took 17.08 ms. Allocated memory is still 669.0 MB. Free memory is still 635.3 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.72/7.29 * RCFGBuilder took 205.25 ms. Allocated memory is still 669.0 MB. Free memory was 635.3 MB in the beginning and 619.3 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 50.3 GB. 15.72/7.29 * BlockEncodingV2 took 75.99 ms. Allocated memory is still 669.0 MB. Free memory was 619.3 MB in the beginning and 614.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 15.72/7.29 * TraceAbstraction took 177.53 ms. Allocated memory is still 669.0 MB. Free memory was 614.2 MB in the beginning and 603.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 15.72/7.29 * BuchiAutomizer took 2031.49 ms. Allocated memory is still 669.0 MB. Free memory was 603.4 MB in the beginning and 437.8 MB in the end (delta: 165.6 MB). Peak memory consumption was 165.6 MB. Max. memory is 50.3 GB. 15.72/7.29 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.72/7.29 - AllSpecificationsHoldResult: All specifications hold 15.72/7.29 We were not able to verify any specifiation because the program does not contain any specification. 15.72/7.29 - StatisticsResult: Ultimate Automizer benchmark data 15.72/7.29 CFG has 2 procedures, 8 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=8occurred 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, 3 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 3 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.72/7.29 - StatisticsResult: Constructed decomposition of program 15.72/7.29 Your program was decomposed into 3 terminating modules (2 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function \old(x) and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. 15.72/7.29 - StatisticsResult: Timing statistics 15.72/7.29 BüchiAutomizer plugin needed 1.9s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 22 SDtfs, 26 SDslu, 24 SDs, 0 SdLazy, 58 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq168 hnf92 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s 15.72/7.29 - TerminationAnalysisResult: Termination proven 15.72/7.29 Buchi Automizer proved that your program is terminating 15.72/7.29 RESULT: Ultimate proved your program to be correct! 15.72/7.29 !SESSION 2019-03-28 12:23:43.630 ----------------------------------------------- 15.72/7.29 eclipse.buildId=unknown 15.72/7.29 java.version=1.8.0_181 15.72/7.29 java.vendor=Oracle Corporation 15.72/7.29 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.72/7.29 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.72/7.29 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.72/7.29 15.72/7.29 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:23:49.955 15.72/7.29 !MESSAGE The workspace will exit with unsaved changes in this session. 15.72/7.29 Received shutdown request... 15.72/7.29 Ultimate: 15.72/7.29 GTK+ Version Check 15.72/7.29 EOF