13.17/6.11 NO 13.17/6.11 13.17/6.11 Ultimate: Cannot open display: 13.17/6.11 This is Ultimate 0.1.24-8dc7c08-m 13.17/6.11 [2019-03-28 22:49:00,025 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.17/6.11 [2019-03-28 22:49:00,027 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.17/6.11 [2019-03-28 22:49:00,039 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.17/6.11 [2019-03-28 22:49:00,039 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.17/6.11 [2019-03-28 22:49:00,040 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.17/6.11 [2019-03-28 22:49:00,042 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.17/6.11 [2019-03-28 22:49:00,043 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.17/6.11 [2019-03-28 22:49:00,045 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.17/6.11 [2019-03-28 22:49:00,046 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.17/6.11 [2019-03-28 22:49:00,047 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.17/6.11 [2019-03-28 22:49:00,047 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.17/6.11 [2019-03-28 22:49:00,048 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.17/6.11 [2019-03-28 22:49:00,049 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.17/6.11 [2019-03-28 22:49:00,050 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.17/6.11 [2019-03-28 22:49:00,051 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.17/6.11 [2019-03-28 22:49:00,051 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.17/6.11 [2019-03-28 22:49:00,053 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.17/6.11 [2019-03-28 22:49:00,055 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.17/6.11 [2019-03-28 22:49:00,057 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.17/6.11 [2019-03-28 22:49:00,058 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.17/6.11 [2019-03-28 22:49:00,059 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.17/6.11 [2019-03-28 22:49:00,061 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.17/6.11 [2019-03-28 22:49:00,061 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.17/6.11 [2019-03-28 22:49:00,061 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.17/6.11 [2019-03-28 22:49:00,062 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.17/6.11 [2019-03-28 22:49:00,062 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.17/6.11 [2019-03-28 22:49:00,063 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.17/6.11 [2019-03-28 22:49:00,064 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.17/6.11 [2019-03-28 22:49:00,064 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.17/6.11 [2019-03-28 22:49:00,065 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.17/6.11 [2019-03-28 22:49:00,066 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.17/6.11 [2019-03-28 22:49:00,067 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.17/6.11 [2019-03-28 22:49:00,067 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.17/6.11 [2019-03-28 22:49:00,067 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.17/6.11 [2019-03-28 22:49:00,068 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.17/6.11 [2019-03-28 22:49:00,068 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.17/6.11 [2019-03-28 22:49:00,069 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.17/6.11 [2019-03-28 22:49:00,069 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.17/6.11 [2019-03-28 22:49:00,070 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.17/6.11 [2019-03-28 22:49:00,084 INFO L110 SettingsManager]: Loading preferences was successful 13.17/6.11 [2019-03-28 22:49:00,085 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.17/6.11 [2019-03-28 22:49:00,086 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.17/6.11 [2019-03-28 22:49:00,086 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.17/6.11 [2019-03-28 22:49:00,086 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.17/6.11 [2019-03-28 22:49:00,086 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.17/6.11 [2019-03-28 22:49:00,087 INFO L133 SettingsManager]: * Use SBE=true 13.17/6.11 [2019-03-28 22:49:00,087 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.17/6.11 [2019-03-28 22:49:00,087 INFO L133 SettingsManager]: * Use old map elimination=false 13.17/6.11 [2019-03-28 22:49:00,087 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.17/6.11 [2019-03-28 22:49:00,087 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.17/6.11 [2019-03-28 22:49:00,087 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.17/6.11 [2019-03-28 22:49:00,088 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.17/6.11 [2019-03-28 22:49:00,088 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.17/6.11 [2019-03-28 22:49:00,088 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.17/6.11 [2019-03-28 22:49:00,088 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.17/6.11 [2019-03-28 22:49:00,088 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.17/6.11 [2019-03-28 22:49:00,089 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.17/6.11 [2019-03-28 22:49:00,089 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.17/6.11 [2019-03-28 22:49:00,089 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.17/6.11 [2019-03-28 22:49:00,089 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.17/6.11 [2019-03-28 22:49:00,089 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.17/6.11 [2019-03-28 22:49:00,090 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.17/6.11 [2019-03-28 22:49:00,090 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.17/6.11 [2019-03-28 22:49:00,090 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.17/6.11 [2019-03-28 22:49:00,090 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.17/6.11 [2019-03-28 22:49:00,090 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.17/6.11 [2019-03-28 22:49:00,090 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.17/6.11 [2019-03-28 22:49:00,091 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.17/6.11 [2019-03-28 22:49:00,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.17/6.11 [2019-03-28 22:49:00,129 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.17/6.11 [2019-03-28 22:49:00,133 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.17/6.11 [2019-03-28 22:49:00,134 INFO L271 PluginConnector]: Initializing CDTParser... 13.17/6.11 [2019-03-28 22:49:00,135 INFO L276 PluginConnector]: CDTParser initialized 13.17/6.11 [2019-03-28 22:49:00,135 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.17/6.11 [2019-03-28 22:49:00,199 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/7b069729f7834d688c516a6dc986c256/FLAG1329700a8 13.17/6.11 [2019-03-28 22:49:00,532 INFO L307 CDTParser]: Found 1 translation units. 13.17/6.11 [2019-03-28 22:49:00,533 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.17/6.11 [2019-03-28 22:49:00,539 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/7b069729f7834d688c516a6dc986c256/FLAG1329700a8 13.17/6.11 [2019-03-28 22:49:00,943 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/7b069729f7834d688c516a6dc986c256 13.17/6.11 [2019-03-28 22:49:00,955 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.17/6.11 [2019-03-28 22:49:00,957 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.17/6.11 [2019-03-28 22:49:00,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.17/6.11 [2019-03-28 22:49:00,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.17/6.11 [2019-03-28 22:49:00,962 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.17/6.11 [2019-03-28 22:49:00,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:49:00" (1/1) ... 13.17/6.11 [2019-03-28 22:49:00,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3176dcd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:00, skipping insertion in model container 13.17/6.11 [2019-03-28 22:49:00,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:49:00" (1/1) ... 13.17/6.11 [2019-03-28 22:49:00,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.17/6.11 [2019-03-28 22:49:00,990 INFO L176 MainTranslator]: Built tables and reachable declarations 13.17/6.11 [2019-03-28 22:49:01,147 INFO L206 PostProcessor]: Analyzing one entry point: main 13.17/6.11 [2019-03-28 22:49:01,152 INFO L191 MainTranslator]: Completed pre-run 13.17/6.11 [2019-03-28 22:49:01,168 INFO L206 PostProcessor]: Analyzing one entry point: main 13.17/6.11 [2019-03-28 22:49:01,183 INFO L195 MainTranslator]: Completed translation 13.17/6.11 [2019-03-28 22:49:01,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:01 WrapperNode 13.17/6.11 [2019-03-28 22:49:01,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.17/6.11 [2019-03-28 22:49:01,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.17/6.11 [2019-03-28 22:49:01,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.17/6.11 [2019-03-28 22:49:01,185 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.17/6.11 [2019-03-28 22:49:01,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:01" (1/1) ... 13.17/6.11 [2019-03-28 22:49:01,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:01" (1/1) ... 13.17/6.11 [2019-03-28 22:49:01,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.17/6.11 [2019-03-28 22:49:01,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.17/6.11 [2019-03-28 22:49:01,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.17/6.11 [2019-03-28 22:49:01,284 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.17/6.11 [2019-03-28 22:49:01,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:01" (1/1) ... 13.17/6.11 [2019-03-28 22:49:01,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:01" (1/1) ... 13.17/6.11 [2019-03-28 22:49:01,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:01" (1/1) ... 13.17/6.11 [2019-03-28 22:49:01,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:01" (1/1) ... 13.17/6.11 [2019-03-28 22:49:01,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:01" (1/1) ... 13.17/6.11 [2019-03-28 22:49:01,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:01" (1/1) ... 13.17/6.11 [2019-03-28 22:49:01,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:01" (1/1) ... 13.17/6.11 [2019-03-28 22:49:01,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.17/6.11 [2019-03-28 22:49:01,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.17/6.11 [2019-03-28 22:49:01,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.17/6.11 [2019-03-28 22:49:01,305 INFO L276 PluginConnector]: RCFGBuilder initialized 13.17/6.11 [2019-03-28 22:49:01,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:01" (1/1) ... 13.17/6.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.17/6.11 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.17/6.11 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.17/6.11 [2019-03-28 22:49:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.17/6.11 [2019-03-28 22:49:01,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.17/6.11 [2019-03-28 22:49:01,498 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.17/6.11 [2019-03-28 22:49:01,498 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.17/6.11 [2019-03-28 22:49:01,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:49:01 BoogieIcfgContainer 13.17/6.11 [2019-03-28 22:49:01,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.17/6.11 [2019-03-28 22:49:01,500 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.17/6.11 [2019-03-28 22:49:01,500 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.17/6.11 [2019-03-28 22:49:01,503 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.17/6.11 [2019-03-28 22:49:01,504 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:49:01" (1/1) ... 13.17/6.11 [2019-03-28 22:49:01,520 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 13.17/6.11 [2019-03-28 22:49:01,522 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.17/6.11 [2019-03-28 22:49:01,522 INFO L263 BlockEncoder]: Using Maximize final states 13.17/6.11 [2019-03-28 22:49:01,523 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.17/6.11 [2019-03-28 22:49:01,523 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.17/6.11 [2019-03-28 22:49:01,525 INFO L296 BlockEncoder]: Using Remove sink states 13.17/6.11 [2019-03-28 22:49:01,526 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.17/6.11 [2019-03-28 22:49:01,527 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.17/6.11 [2019-03-28 22:49:01,543 INFO L185 BlockEncoder]: Using Use SBE 13.17/6.11 [2019-03-28 22:49:01,556 INFO L200 BlockEncoder]: SBE split 1 edges 13.17/6.11 [2019-03-28 22:49:01,561 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.17/6.11 [2019-03-28 22:49:01,563 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.17/6.11 [2019-03-28 22:49:01,576 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 13.17/6.11 [2019-03-28 22:49:01,578 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 13.17/6.11 [2019-03-28 22:49:01,579 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.17/6.11 [2019-03-28 22:49:01,580 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.17/6.11 [2019-03-28 22:49:01,580 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.17/6.11 [2019-03-28 22:49:01,580 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.17/6.11 [2019-03-28 22:49:01,580 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 13.17/6.11 [2019-03-28 22:49:01,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:49:01 BasicIcfg 13.17/6.11 [2019-03-28 22:49:01,581 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.17/6.11 [2019-03-28 22:49:01,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.17/6.11 [2019-03-28 22:49:01,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.17/6.11 [2019-03-28 22:49:01,585 INFO L276 PluginConnector]: TraceAbstraction initialized 13.17/6.11 [2019-03-28 22:49:01,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:49:00" (1/4) ... 13.17/6.11 [2019-03-28 22:49:01,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2485a584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:49:01, skipping insertion in model container 13.17/6.11 [2019-03-28 22:49:01,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:01" (2/4) ... 13.17/6.11 [2019-03-28 22:49:01,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2485a584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:49:01, skipping insertion in model container 13.17/6.11 [2019-03-28 22:49:01,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:49:01" (3/4) ... 13.17/6.11 [2019-03-28 22:49:01,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2485a584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:49:01, skipping insertion in model container 13.17/6.11 [2019-03-28 22:49:01,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:49:01" (4/4) ... 13.17/6.11 [2019-03-28 22:49:01,590 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.17/6.11 [2019-03-28 22:49:01,600 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.17/6.11 [2019-03-28 22:49:01,608 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.17/6.11 [2019-03-28 22:49:01,625 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.17/6.11 [2019-03-28 22:49:01,654 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.17/6.11 [2019-03-28 22:49:01,655 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.17/6.11 [2019-03-28 22:49:01,655 INFO L383 AbstractCegarLoop]: Hoare is true 13.17/6.11 [2019-03-28 22:49:01,655 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.17/6.11 [2019-03-28 22:49:01,655 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.17/6.11 [2019-03-28 22:49:01,655 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.17/6.11 [2019-03-28 22:49:01,655 INFO L387 AbstractCegarLoop]: Difference is false 13.17/6.11 [2019-03-28 22:49:01,656 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.17/6.11 [2019-03-28 22:49:01,656 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.17/6.11 [2019-03-28 22:49:01,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 13.17/6.11 [2019-03-28 22:49:01,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.17/6.11 [2019-03-28 22:49:01,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 13.17/6.11 [2019-03-28 22:49:01,729 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.17/6.11 [2019-03-28 22:49:01,729 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 12) no Hoare annotation was computed. 13.17/6.11 [2019-03-28 22:49:01,729 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 9 13) the Hoare annotation is: true 13.17/6.11 [2019-03-28 22:49:01,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:49:01 BasicIcfg 13.17/6.11 [2019-03-28 22:49:01,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.17/6.11 [2019-03-28 22:49:01,738 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.17/6.11 [2019-03-28 22:49:01,739 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.17/6.11 [2019-03-28 22:49:01,742 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.17/6.11 [2019-03-28 22:49:01,743 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.17/6.11 [2019-03-28 22:49:01,743 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:49:00" (1/5) ... 13.17/6.11 [2019-03-28 22:49:01,744 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53bf0a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:49:01, skipping insertion in model container 13.17/6.11 [2019-03-28 22:49:01,744 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.17/6.11 [2019-03-28 22:49:01,744 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:49:01" (2/5) ... 13.17/6.11 [2019-03-28 22:49:01,744 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53bf0a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:49:01, skipping insertion in model container 13.17/6.11 [2019-03-28 22:49:01,744 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.17/6.11 [2019-03-28 22:49:01,745 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:49:01" (3/5) ... 13.17/6.11 [2019-03-28 22:49:01,745 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53bf0a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:49:01, skipping insertion in model container 13.17/6.11 [2019-03-28 22:49:01,745 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.17/6.11 [2019-03-28 22:49:01,745 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:49:01" (4/5) ... 13.17/6.11 [2019-03-28 22:49:01,746 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53bf0a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:49:01, skipping insertion in model container 13.17/6.11 [2019-03-28 22:49:01,746 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.17/6.11 [2019-03-28 22:49:01,746 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:49:01" (5/5) ... 13.17/6.11 [2019-03-28 22:49:01,747 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.17/6.11 [2019-03-28 22:49:01,776 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.17/6.11 [2019-03-28 22:49:01,776 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.17/6.11 [2019-03-28 22:49:01,776 INFO L375 BuchiCegarLoop]: Hoare is true 13.17/6.11 [2019-03-28 22:49:01,777 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.17/6.11 [2019-03-28 22:49:01,777 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.17/6.11 [2019-03-28 22:49:01,777 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.17/6.11 [2019-03-28 22:49:01,777 INFO L379 BuchiCegarLoop]: Difference is false 13.17/6.11 [2019-03-28 22:49:01,777 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.17/6.11 [2019-03-28 22:49:01,777 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.17/6.11 [2019-03-28 22:49:01,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.17/6.11 [2019-03-28 22:49:01,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.17/6.11 [2019-03-28 22:49:01,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.17/6.11 [2019-03-28 22:49:01,800 INFO L119 BuchiIsEmpty]: Starting construction of run 13.17/6.11 [2019-03-28 22:49:01,807 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.17/6.11 [2019-03-28 22:49:01,807 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.17/6.11 [2019-03-28 22:49:01,807 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.17/6.11 [2019-03-28 22:49:01,807 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.17/6.11 [2019-03-28 22:49:01,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.17/6.11 [2019-03-28 22:49:01,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.17/6.11 [2019-03-28 22:49:01,808 INFO L119 BuchiIsEmpty]: Starting construction of run 13.17/6.11 [2019-03-28 22:49:01,808 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.17/6.11 [2019-03-28 22:49:01,809 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.17/6.11 [2019-03-28 22:49:01,814 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [27] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L10-2true 13.17/6.11 [2019-03-28 22:49:01,814 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [31] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 0) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 3#L10true [35] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 1)) (< (- 5) v_ULTIMATE.start_main_~i~0_9)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L10-2true 13.17/6.11 [2019-03-28 22:49:01,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.11 [2019-03-28 22:49:01,820 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times 13.17/6.11 [2019-03-28 22:49:01,822 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.17/6.11 [2019-03-28 22:49:01,823 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.17/6.11 [2019-03-28 22:49:01,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.11 [2019-03-28 22:49:01,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.17/6.11 [2019-03-28 22:49:01,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.11 [2019-03-28 22:49:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.11 [2019-03-28 22:49:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.11 [2019-03-28 22:49:01,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.11 [2019-03-28 22:49:01,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1957, now seen corresponding path program 1 times 13.17/6.11 [2019-03-28 22:49:01,896 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.17/6.11 [2019-03-28 22:49:01,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.17/6.11 [2019-03-28 22:49:01,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.11 [2019-03-28 22:49:01,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.17/6.11 [2019-03-28 22:49:01,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.11 [2019-03-28 22:49:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.11 [2019-03-28 22:49:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.11 [2019-03-28 22:49:01,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.11 [2019-03-28 22:49:01,909 INFO L82 PathProgramCache]: Analyzing trace with hash 56734, now seen corresponding path program 1 times 13.17/6.11 [2019-03-28 22:49:01,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.17/6.11 [2019-03-28 22:49:01,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.17/6.11 [2019-03-28 22:49:01,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.11 [2019-03-28 22:49:01,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.17/6.11 [2019-03-28 22:49:01,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.11 [2019-03-28 22:49:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.11 [2019-03-28 22:49:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.11 [2019-03-28 22:49:01,959 INFO L216 LassoAnalysis]: Preferences: 13.17/6.11 [2019-03-28 22:49:01,960 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.17/6.11 [2019-03-28 22:49:01,960 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.17/6.11 [2019-03-28 22:49:01,961 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.17/6.11 [2019-03-28 22:49:01,961 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.17/6.11 [2019-03-28 22:49:01,961 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.17/6.11 [2019-03-28 22:49:01,961 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.17/6.11 [2019-03-28 22:49:01,961 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.17/6.11 [2019-03-28 22:49:01,962 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.17/6.11 [2019-03-28 22:49:01,962 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.17/6.11 [2019-03-28 22:49:01,962 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.17/6.11 [2019-03-28 22:49:01,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.11 [2019-03-28 22:49:02,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.11 [2019-03-28 22:49:02,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.11 [2019-03-28 22:49:02,067 INFO L300 LassoAnalysis]: Preprocessing complete. 13.17/6.11 [2019-03-28 22:49:02,068 INFO L412 LassoAnalysis]: Checking for nontermination... 13.17/6.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.17/6.11 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.17/6.11 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.17/6.11 [2019-03-28 22:49:02,076 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.17/6.11 [2019-03-28 22:49:02,076 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.17/6.11 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.17/6.11 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.17/6.11 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.17/6.11 [2019-03-28 22:49:02,116 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.17/6.11 [2019-03-28 22:49:02,117 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.17/6.11 [2019-03-28 22:49:02,128 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.17/6.11 [2019-03-28 22:49:02,152 INFO L216 LassoAnalysis]: Preferences: 13.17/6.11 [2019-03-28 22:49:02,153 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.17/6.11 [2019-03-28 22:49:02,153 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.17/6.11 [2019-03-28 22:49:02,153 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.17/6.11 [2019-03-28 22:49:02,153 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.17/6.11 [2019-03-28 22:49:02,153 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.17/6.11 [2019-03-28 22:49:02,153 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.17/6.11 [2019-03-28 22:49:02,153 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.17/6.11 [2019-03-28 22:49:02,154 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.17/6.11 [2019-03-28 22:49:02,154 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.17/6.11 [2019-03-28 22:49:02,154 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.17/6.11 [2019-03-28 22:49:02,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.11 [2019-03-28 22:49:02,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.11 [2019-03-28 22:49:02,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.17/6.11 [2019-03-28 22:49:02,241 INFO L300 LassoAnalysis]: Preprocessing complete. 13.17/6.11 [2019-03-28 22:49:02,247 INFO L497 LassoAnalysis]: Using template 'affine'. 13.17/6.11 [2019-03-28 22:49:02,249 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.17/6.11 Termination analysis: LINEAR_WITH_GUESSES 13.17/6.11 Number of strict supporting invariants: 0 13.17/6.11 Number of non-strict supporting invariants: 1 13.17/6.11 Consider only non-deceasing supporting invariants: true 13.17/6.11 Simplify termination arguments: true 13.17/6.11 Simplify supporting invariants: trueOverapproximate stem: false 13.17/6.11 [2019-03-28 22:49:02,250 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.17/6.11 [2019-03-28 22:49:02,251 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.17/6.11 [2019-03-28 22:49:02,251 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.17/6.11 [2019-03-28 22:49:02,252 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.17/6.11 [2019-03-28 22:49:02,252 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.17/6.11 [2019-03-28 22:49:02,255 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.17/6.11 [2019-03-28 22:49:02,255 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.17/6.11 [2019-03-28 22:49:02,264 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.17/6.11 [2019-03-28 22:49:02,271 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.17/6.11 [2019-03-28 22:49:02,271 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 13.17/6.11 [2019-03-28 22:49:02,273 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.17/6.11 [2019-03-28 22:49:02,273 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.17/6.11 [2019-03-28 22:49:02,274 INFO L518 LassoAnalysis]: Proved termination. 13.17/6.11 [2019-03-28 22:49:02,275 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.17/6.11 Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 13.17/6.11 Supporting invariants [] 13.17/6.11 [2019-03-28 22:49:02,276 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.17/6.11 [2019-03-28 22:49:02,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.11 [2019-03-28 22:49:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.17/6.11 [2019-03-28 22:49:02,317 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core 13.17/6.11 [2019-03-28 22:49:02,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.17/6.11 [2019-03-28 22:49:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.17/6.11 [2019-03-28 22:49:02,330 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 13.17/6.11 [2019-03-28 22:49:02,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.17/6.11 [2019-03-28 22:49:02,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.17/6.11 [2019-03-28 22:49:02,372 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 13.17/6.11 [2019-03-28 22:49:02,377 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 13.17/6.11 [2019-03-28 22:49:02,379 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 13.17/6.11 [2019-03-28 22:49:02,432 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 9 states and 14 transitions. Complement of second has 5 states. 13.17/6.11 [2019-03-28 22:49:02,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 2 accepting loop states 13.17/6.11 [2019-03-28 22:49:02,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 13.17/6.11 [2019-03-28 22:49:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. 13.17/6.11 [2019-03-28 22:49:02,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 1 letters. Loop has 2 letters. 13.17/6.11 [2019-03-28 22:49:02,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.17/6.11 [2019-03-28 22:49:02,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. 13.17/6.11 [2019-03-28 22:49:02,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.17/6.11 [2019-03-28 22:49:02,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 1 letters. Loop has 4 letters. 13.17/6.11 [2019-03-28 22:49:02,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.17/6.11 [2019-03-28 22:49:02,458 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 14 transitions. 13.17/6.11 [2019-03-28 22:49:02,459 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.17/6.11 [2019-03-28 22:49:02,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 14 transitions. 13.17/6.11 [2019-03-28 22:49:02,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 13.17/6.11 [2019-03-28 22:49:02,465 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 13.17/6.11 [2019-03-28 22:49:02,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 14 transitions. 13.17/6.11 [2019-03-28 22:49:02,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 13.17/6.11 [2019-03-28 22:49:02,466 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 14 transitions. 13.17/6.11 [2019-03-28 22:49:02,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 14 transitions. 13.17/6.11 [2019-03-28 22:49:02,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 7. 13.17/6.11 [2019-03-28 22:49:02,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 13.17/6.11 [2019-03-28 22:49:02,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. 13.17/6.11 [2019-03-28 22:49:02,495 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. 13.17/6.11 [2019-03-28 22:49:02,496 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. 13.17/6.11 [2019-03-28 22:49:02,496 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.17/6.11 [2019-03-28 22:49:02,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 11 transitions. 13.17/6.11 [2019-03-28 22:49:02,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.17/6.12 [2019-03-28 22:49:02,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.17/6.12 [2019-03-28 22:49:02,497 INFO L119 BuchiIsEmpty]: Starting construction of run 13.17/6.12 [2019-03-28 22:49:02,497 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 13.17/6.12 [2019-03-28 22:49:02,497 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.17/6.12 [2019-03-28 22:49:02,497 INFO L794 eck$LassoCheckResult]: Stem: 55#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 56#L10-2 [31] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 0) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 50#L10 13.17/6.12 [2019-03-28 22:49:02,498 INFO L796 eck$LassoCheckResult]: Loop: 50#L10 [26] L10-->L10-2: Formula: (= (- 5) v_ULTIMATE.start_main_~i~0_10) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[] 51#L10-2 [31] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 0) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 50#L10 13.17/6.12 [2019-03-28 22:49:02,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.12 [2019-03-28 22:49:02,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1829, now seen corresponding path program 1 times 13.17/6.12 [2019-03-28 22:49:02,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.17/6.12 [2019-03-28 22:49:02,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.17/6.12 [2019-03-28 22:49:02,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.12 [2019-03-28 22:49:02,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.17/6.12 [2019-03-28 22:49:02,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.12 [2019-03-28 22:49:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.12 [2019-03-28 22:49:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.12 [2019-03-28 22:49:02,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.12 [2019-03-28 22:49:02,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times 13.17/6.12 [2019-03-28 22:49:02,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.17/6.12 [2019-03-28 22:49:02,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.17/6.12 [2019-03-28 22:49:02,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.12 [2019-03-28 22:49:02,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.17/6.12 [2019-03-28 22:49:02,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.12 [2019-03-28 22:49:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.12 [2019-03-28 22:49:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.12 [2019-03-28 22:49:02,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.17/6.12 [2019-03-28 22:49:02,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1758506, now seen corresponding path program 1 times 13.17/6.12 [2019-03-28 22:49:02,511 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.17/6.12 [2019-03-28 22:49:02,511 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.17/6.12 [2019-03-28 22:49:02,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.12 [2019-03-28 22:49:02,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.17/6.12 [2019-03-28 22:49:02,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.17/6.12 [2019-03-28 22:49:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.12 [2019-03-28 22:49:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.17/6.12 [2019-03-28 22:49:02,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:49:02 BasicIcfg 13.17/6.12 [2019-03-28 22:49:02,559 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.17/6.12 [2019-03-28 22:49:02,560 INFO L168 Benchmark]: Toolchain (without parser) took 1604.22 ms. Allocated memory is still 649.6 MB. Free memory was 559.6 MB in the beginning and 513.9 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 50.3 GB. 13.17/6.12 [2019-03-28 22:49:02,561 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.17/6.12 [2019-03-28 22:49:02,562 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.82 ms. Allocated memory is still 649.6 MB. Free memory was 559.6 MB in the beginning and 549.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 50.3 GB. 13.17/6.12 [2019-03-28 22:49:02,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.16 ms. Allocated memory is still 649.6 MB. Free memory was 549.5 MB in the beginning and 615.1 MB in the end (delta: -65.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 13.17/6.12 [2019-03-28 22:49:02,563 INFO L168 Benchmark]: Boogie Preprocessor took 19.88 ms. Allocated memory is still 649.6 MB. Free memory was 615.1 MB in the beginning and 614.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 13.17/6.12 [2019-03-28 22:49:02,564 INFO L168 Benchmark]: RCFGBuilder took 195.52 ms. Allocated memory is still 649.6 MB. Free memory was 614.0 MB in the beginning and 599.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 50.3 GB. 13.17/6.12 [2019-03-28 22:49:02,565 INFO L168 Benchmark]: BlockEncodingV2 took 80.87 ms. Allocated memory is still 649.6 MB. Free memory was 599.9 MB in the beginning and 593.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 13.17/6.12 [2019-03-28 22:49:02,565 INFO L168 Benchmark]: TraceAbstraction took 155.93 ms. Allocated memory is still 649.6 MB. Free memory was 593.4 MB in the beginning and 584.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 13.17/6.12 [2019-03-28 22:49:02,566 INFO L168 Benchmark]: BuchiAutomizer took 820.87 ms. Allocated memory is still 649.6 MB. Free memory was 584.8 MB in the beginning and 513.9 MB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 50.3 GB. 13.17/6.12 [2019-03-28 22:49:02,571 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.17/6.12 --- Results --- 13.17/6.12 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.17/6.12 - StatisticsResult: Initial Icfg 13.17/6.12 7 locations, 9 edges 13.17/6.12 - StatisticsResult: Encoded RCFG 13.17/6.12 3 locations, 5 edges 13.17/6.12 * Results from de.uni_freiburg.informatik.ultimate.core: 13.17/6.12 - StatisticsResult: Toolchain Benchmarks 13.17/6.12 Benchmark results are: 13.17/6.12 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.17/6.12 * CACSL2BoogieTranslator took 226.82 ms. Allocated memory is still 649.6 MB. Free memory was 559.6 MB in the beginning and 549.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 50.3 GB. 13.17/6.12 * Boogie Procedure Inliner took 99.16 ms. Allocated memory is still 649.6 MB. Free memory was 549.5 MB in the beginning and 615.1 MB in the end (delta: -65.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 13.17/6.12 * Boogie Preprocessor took 19.88 ms. Allocated memory is still 649.6 MB. Free memory was 615.1 MB in the beginning and 614.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 13.17/6.12 * RCFGBuilder took 195.52 ms. Allocated memory is still 649.6 MB. Free memory was 614.0 MB in the beginning and 599.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 50.3 GB. 13.17/6.12 * BlockEncodingV2 took 80.87 ms. Allocated memory is still 649.6 MB. Free memory was 599.9 MB in the beginning and 593.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 13.17/6.12 * TraceAbstraction took 155.93 ms. Allocated memory is still 649.6 MB. Free memory was 593.4 MB in the beginning and 584.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 13.17/6.12 * BuchiAutomizer took 820.87 ms. Allocated memory is still 649.6 MB. Free memory was 584.8 MB in the beginning and 513.9 MB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 50.3 GB. 13.17/6.12 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.17/6.12 - AllSpecificationsHoldResult: All specifications hold 13.17/6.12 We were not able to verify any specifiation because the program does not contain any specification. 13.17/6.12 - InvariantResult [Line: 9]: Loop Invariant 13.17/6.12 Derived loop invariant: 1 13.17/6.12 - StatisticsResult: Ultimate Automizer benchmark data 13.17/6.12 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 13.17/6.12 - StatisticsResult: Constructed decomposition of program 13.17/6.12 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -1 * i and consists of 4 locations. The remainder module has 7 locations. 13.17/6.12 - StatisticsResult: Timing statistics 13.17/6.12 BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 12 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq139 hnf95 smp100 dnf100 smp100 tf110 neg100 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 26ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 13.17/6.12 - TerminationAnalysisResult: Nontermination possible 13.17/6.12 Buchi Automizer proved that your program is nonterminating for some inputs 13.17/6.12 - FixpointNonTerminationResult [Line: 10]: Nontermination argument in form of an infinite program execution. 13.17/6.12 Nontermination argument in form of an infinite execution 13.17/6.12 State at position 0 is 13.17/6.12 {} 13.17/6.12 State at position 1 is 13.17/6.12 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@270d1d07=0, \result=0, i=-5} 13.17/6.12 - StatisticsResult: NonterminationArgumentStatistics 13.17/6.12 Fixpoint 13.17/6.12 - NonterminatingLassoResult [Line: 10]: Nonterminating execution 13.17/6.12 Found a nonterminating execution for the following lasso shaped sequence of statements. 13.17/6.12 Stem: 13.17/6.12 [L6] int i; 13.17/6.12 [L7] i = __VERIFIER_nondet_int() 13.17/6.12 [L9] COND TRUE i < 0 13.17/6.12 Loop: 13.17/6.12 [L10] COND FALSE !(i != -5) 13.17/6.12 [L9] COND TRUE i < 0 13.17/6.12 End of lasso representation. 13.17/6.12 RESULT: Ultimate proved your program to be incorrect! 13.17/6.12 !SESSION 2019-03-28 22:48:57.621 ----------------------------------------------- 13.17/6.12 eclipse.buildId=unknown 13.17/6.12 java.version=1.8.0_181 13.17/6.12 java.vendor=Oracle Corporation 13.17/6.12 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.17/6.12 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.17/6.12 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 13.17/6.12 13.17/6.12 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:49:02.805 13.17/6.12 !MESSAGE The workspace will exit with unsaved changes in this session. 13.17/6.12 Received shutdown request... 13.17/6.12 Ultimate: 13.17/6.12 GTK+ Version Check 13.17/6.12 EOF