12.22/7.08 YES 12.22/7.08 12.22/7.08 Ultimate: Cannot open display: 12.22/7.08 This is Ultimate 0.1.24-8dc7c08-m 12.22/7.08 [2019-03-28 12:01:17,205 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.22/7.08 [2019-03-28 12:01:17,207 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.22/7.08 [2019-03-28 12:01:17,218 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.22/7.08 [2019-03-28 12:01:17,218 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.22/7.08 [2019-03-28 12:01:17,219 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.22/7.08 [2019-03-28 12:01:17,220 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.22/7.08 [2019-03-28 12:01:17,222 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.22/7.08 [2019-03-28 12:01:17,224 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.22/7.08 [2019-03-28 12:01:17,224 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.22/7.08 [2019-03-28 12:01:17,225 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.22/7.08 [2019-03-28 12:01:17,225 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.22/7.08 [2019-03-28 12:01:17,226 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.22/7.08 [2019-03-28 12:01:17,227 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.22/7.08 [2019-03-28 12:01:17,228 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.22/7.08 [2019-03-28 12:01:17,229 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.22/7.08 [2019-03-28 12:01:17,230 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.22/7.08 [2019-03-28 12:01:17,231 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.22/7.08 [2019-03-28 12:01:17,233 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.22/7.08 [2019-03-28 12:01:17,235 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.22/7.08 [2019-03-28 12:01:17,236 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.22/7.08 [2019-03-28 12:01:17,237 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.22/7.08 [2019-03-28 12:01:17,239 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.22/7.08 [2019-03-28 12:01:17,239 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.22/7.08 [2019-03-28 12:01:17,239 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.22/7.08 [2019-03-28 12:01:17,240 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.22/7.08 [2019-03-28 12:01:17,240 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.22/7.08 [2019-03-28 12:01:17,241 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.22/7.08 [2019-03-28 12:01:17,241 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.22/7.08 [2019-03-28 12:01:17,242 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.22/7.08 [2019-03-28 12:01:17,243 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.22/7.08 [2019-03-28 12:01:17,243 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.22/7.08 [2019-03-28 12:01:17,244 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.22/7.08 [2019-03-28 12:01:17,245 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.22/7.08 [2019-03-28 12:01:17,245 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.22/7.08 [2019-03-28 12:01:17,245 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.22/7.08 [2019-03-28 12:01:17,246 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.22/7.08 [2019-03-28 12:01:17,247 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.22/7.08 [2019-03-28 12:01:17,247 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.22/7.08 [2019-03-28 12:01:17,248 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 12.22/7.08 [2019-03-28 12:01:17,262 INFO L110 SettingsManager]: Loading preferences was successful 12.22/7.08 [2019-03-28 12:01:17,262 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.22/7.08 [2019-03-28 12:01:17,263 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.22/7.08 [2019-03-28 12:01:17,263 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.22/7.08 [2019-03-28 12:01:17,264 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.22/7.08 [2019-03-28 12:01:17,264 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.22/7.08 [2019-03-28 12:01:17,264 INFO L133 SettingsManager]: * Use SBE=true 12.22/7.08 [2019-03-28 12:01:17,264 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.22/7.08 [2019-03-28 12:01:17,264 INFO L133 SettingsManager]: * Use old map elimination=false 12.22/7.08 [2019-03-28 12:01:17,264 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.22/7.08 [2019-03-28 12:01:17,265 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.22/7.08 [2019-03-28 12:01:17,265 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.22/7.08 [2019-03-28 12:01:17,265 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.22/7.08 [2019-03-28 12:01:17,265 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.22/7.08 [2019-03-28 12:01:17,265 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.22/7.08 [2019-03-28 12:01:17,265 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.22/7.08 [2019-03-28 12:01:17,266 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.22/7.08 [2019-03-28 12:01:17,266 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.22/7.08 [2019-03-28 12:01:17,266 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.22/7.08 [2019-03-28 12:01:17,266 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.22/7.08 [2019-03-28 12:01:17,266 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.22/7.08 [2019-03-28 12:01:17,267 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.22/7.08 [2019-03-28 12:01:17,267 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.22/7.08 [2019-03-28 12:01:17,267 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.22/7.08 [2019-03-28 12:01:17,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.22/7.08 [2019-03-28 12:01:17,267 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.22/7.08 [2019-03-28 12:01:17,267 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.22/7.08 [2019-03-28 12:01:17,268 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.22/7.08 [2019-03-28 12:01:17,268 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.22/7.08 [2019-03-28 12:01:17,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.22/7.08 [2019-03-28 12:01:17,309 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.22/7.08 [2019-03-28 12:01:17,312 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.22/7.08 [2019-03-28 12:01:17,314 INFO L271 PluginConnector]: Initializing CDTParser... 12.22/7.08 [2019-03-28 12:01:17,314 INFO L276 PluginConnector]: CDTParser initialized 12.22/7.08 [2019-03-28 12:01:17,315 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 12.22/7.08 [2019-03-28 12:01:17,392 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/b6840a1095454b6593dbaed54ed3d716/FLAGb0e9519dc 12.22/7.08 [2019-03-28 12:01:18,077 INFO L307 CDTParser]: Found 1 translation units. 12.22/7.08 [2019-03-28 12:01:18,078 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 12.22/7.08 [2019-03-28 12:01:18,084 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/b6840a1095454b6593dbaed54ed3d716/FLAGb0e9519dc 12.22/7.08 [2019-03-28 12:01:18,502 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/b6840a1095454b6593dbaed54ed3d716 12.22/7.08 [2019-03-28 12:01:18,513 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.22/7.08 [2019-03-28 12:01:18,515 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.22/7.08 [2019-03-28 12:01:18,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.22/7.08 [2019-03-28 12:01:18,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.22/7.08 [2019-03-28 12:01:18,520 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.22/7.08 [2019-03-28 12:01:18,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:01:18" (1/1) ... 12.22/7.08 [2019-03-28 12:01:18,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6afe4670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:18, skipping insertion in model container 12.22/7.08 [2019-03-28 12:01:18,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:01:18" (1/1) ... 12.22/7.08 [2019-03-28 12:01:18,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.22/7.08 [2019-03-28 12:01:18,549 INFO L176 MainTranslator]: Built tables and reachable declarations 12.22/7.08 [2019-03-28 12:01:18,700 INFO L206 PostProcessor]: Analyzing one entry point: main 12.22/7.08 [2019-03-28 12:01:18,705 INFO L191 MainTranslator]: Completed pre-run 12.22/7.08 [2019-03-28 12:01:18,720 INFO L206 PostProcessor]: Analyzing one entry point: main 12.22/7.08 [2019-03-28 12:01:18,734 INFO L195 MainTranslator]: Completed translation 12.22/7.08 [2019-03-28 12:01:18,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:18 WrapperNode 12.22/7.08 [2019-03-28 12:01:18,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.22/7.08 [2019-03-28 12:01:18,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.22/7.08 [2019-03-28 12:01:18,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.22/7.08 [2019-03-28 12:01:18,735 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.22/7.08 [2019-03-28 12:01:18,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:18" (1/1) ... 12.22/7.08 [2019-03-28 12:01:18,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:18" (1/1) ... 12.22/7.08 [2019-03-28 12:01:18,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.22/7.08 [2019-03-28 12:01:18,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.22/7.08 [2019-03-28 12:01:18,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.22/7.08 [2019-03-28 12:01:18,825 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.22/7.08 [2019-03-28 12:01:18,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:18" (1/1) ... 12.22/7.08 [2019-03-28 12:01:18,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:18" (1/1) ... 12.22/7.08 [2019-03-28 12:01:18,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:18" (1/1) ... 12.22/7.08 [2019-03-28 12:01:18,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:18" (1/1) ... 12.22/7.08 [2019-03-28 12:01:18,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:18" (1/1) ... 12.22/7.08 [2019-03-28 12:01:18,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:18" (1/1) ... 12.22/7.08 [2019-03-28 12:01:18,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:18" (1/1) ... 12.22/7.08 [2019-03-28 12:01:18,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.22/7.08 [2019-03-28 12:01:18,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.22/7.08 [2019-03-28 12:01:18,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.22/7.08 [2019-03-28 12:01:18,844 INFO L276 PluginConnector]: RCFGBuilder initialized 12.22/7.08 [2019-03-28 12:01:18,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:18" (1/1) ... 12.22/7.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.22/7.08 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.22/7.08 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.22/7.08 [2019-03-28 12:01:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.22/7.08 [2019-03-28 12:01:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.22/7.08 [2019-03-28 12:01:19,043 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.22/7.08 [2019-03-28 12:01:19,044 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 12.22/7.08 [2019-03-28 12:01:19,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:01:19 BoogieIcfgContainer 12.22/7.08 [2019-03-28 12:01:19,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.22/7.08 [2019-03-28 12:01:19,046 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.22/7.08 [2019-03-28 12:01:19,046 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.22/7.08 [2019-03-28 12:01:19,048 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.22/7.08 [2019-03-28 12:01:19,048 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:01:19" (1/1) ... 12.22/7.08 [2019-03-28 12:01:19,063 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 12.22/7.08 [2019-03-28 12:01:19,064 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.22/7.08 [2019-03-28 12:01:19,065 INFO L263 BlockEncoder]: Using Maximize final states 12.22/7.08 [2019-03-28 12:01:19,066 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.22/7.08 [2019-03-28 12:01:19,066 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.22/7.08 [2019-03-28 12:01:19,068 INFO L296 BlockEncoder]: Using Remove sink states 12.22/7.08 [2019-03-28 12:01:19,069 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.22/7.08 [2019-03-28 12:01:19,069 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.22/7.08 [2019-03-28 12:01:19,084 INFO L185 BlockEncoder]: Using Use SBE 12.22/7.08 [2019-03-28 12:01:19,098 INFO L200 BlockEncoder]: SBE split 1 edges 12.22/7.08 [2019-03-28 12:01:19,103 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 12.22/7.08 [2019-03-28 12:01:19,104 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.22/7.08 [2019-03-28 12:01:19,117 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 12.22/7.08 [2019-03-28 12:01:19,119 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 12.22/7.08 [2019-03-28 12:01:19,120 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.22/7.08 [2019-03-28 12:01:19,121 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.22/7.08 [2019-03-28 12:01:19,121 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.22/7.08 [2019-03-28 12:01:19,121 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.22/7.08 [2019-03-28 12:01:19,121 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 12.22/7.08 [2019-03-28 12:01:19,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:01:19 BasicIcfg 12.22/7.08 [2019-03-28 12:01:19,122 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.22/7.08 [2019-03-28 12:01:19,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.22/7.08 [2019-03-28 12:01:19,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.22/7.08 [2019-03-28 12:01:19,126 INFO L276 PluginConnector]: TraceAbstraction initialized 12.22/7.08 [2019-03-28 12:01:19,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:01:18" (1/4) ... 12.22/7.08 [2019-03-28 12:01:19,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345ea5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:01:19, skipping insertion in model container 12.22/7.08 [2019-03-28 12:01:19,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:18" (2/4) ... 12.22/7.08 [2019-03-28 12:01:19,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345ea5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:01:19, skipping insertion in model container 12.22/7.08 [2019-03-28 12:01:19,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:01:19" (3/4) ... 12.22/7.08 [2019-03-28 12:01:19,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345ea5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:01:19, skipping insertion in model container 12.22/7.08 [2019-03-28 12:01:19,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:01:19" (4/4) ... 12.22/7.08 [2019-03-28 12:01:19,130 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.22/7.08 [2019-03-28 12:01:19,140 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.22/7.08 [2019-03-28 12:01:19,147 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 12.22/7.08 [2019-03-28 12:01:19,164 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 12.22/7.08 [2019-03-28 12:01:19,192 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.22/7.08 [2019-03-28 12:01:19,193 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.22/7.08 [2019-03-28 12:01:19,193 INFO L383 AbstractCegarLoop]: Hoare is true 12.22/7.08 [2019-03-28 12:01:19,193 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.22/7.08 [2019-03-28 12:01:19,193 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.22/7.08 [2019-03-28 12:01:19,193 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.22/7.08 [2019-03-28 12:01:19,193 INFO L387 AbstractCegarLoop]: Difference is false 12.22/7.08 [2019-03-28 12:01:19,194 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.22/7.08 [2019-03-28 12:01:19,194 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.22/7.08 [2019-03-28 12:01:19,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 12.22/7.08 [2019-03-28 12:01:19,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 12.22/7.08 [2019-03-28 12:01:19,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 12.22/7.08 [2019-03-28 12:01:19,265 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 19) no Hoare annotation was computed. 12.22/7.08 [2019-03-28 12:01:19,265 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 12.22/7.08 [2019-03-28 12:01:19,265 INFO L451 ceAbstractionStarter]: At program point L15-2(lines 14 20) the Hoare annotation is: true 12.22/7.08 [2019-03-28 12:01:19,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:01:19 BasicIcfg 12.22/7.08 [2019-03-28 12:01:19,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.22/7.08 [2019-03-28 12:01:19,273 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.22/7.08 [2019-03-28 12:01:19,273 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.22/7.08 [2019-03-28 12:01:19,277 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.22/7.08 [2019-03-28 12:01:19,277 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.22/7.08 [2019-03-28 12:01:19,278 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:01:18" (1/5) ... 12.22/7.08 [2019-03-28 12:01:19,278 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bfddcbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:01:19, skipping insertion in model container 12.22/7.08 [2019-03-28 12:01:19,278 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.22/7.08 [2019-03-28 12:01:19,279 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:18" (2/5) ... 12.22/7.08 [2019-03-28 12:01:19,279 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bfddcbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:01:19, skipping insertion in model container 12.22/7.08 [2019-03-28 12:01:19,279 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.22/7.08 [2019-03-28 12:01:19,279 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:01:19" (3/5) ... 12.22/7.08 [2019-03-28 12:01:19,280 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bfddcbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:01:19, skipping insertion in model container 12.22/7.08 [2019-03-28 12:01:19,280 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.22/7.08 [2019-03-28 12:01:19,280 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:01:19" (4/5) ... 12.22/7.08 [2019-03-28 12:01:19,280 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bfddcbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:01:19, skipping insertion in model container 12.22/7.08 [2019-03-28 12:01:19,280 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.22/7.08 [2019-03-28 12:01:19,281 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:01:19" (5/5) ... 12.22/7.08 [2019-03-28 12:01:19,282 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.22/7.08 [2019-03-28 12:01:19,309 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.22/7.08 [2019-03-28 12:01:19,310 INFO L374 BuchiCegarLoop]: Interprodecural is true 12.22/7.08 [2019-03-28 12:01:19,310 INFO L375 BuchiCegarLoop]: Hoare is true 12.22/7.08 [2019-03-28 12:01:19,310 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 12.22/7.08 [2019-03-28 12:01:19,310 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 12.22/7.08 [2019-03-28 12:01:19,310 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.22/7.08 [2019-03-28 12:01:19,310 INFO L379 BuchiCegarLoop]: Difference is false 12.22/7.08 [2019-03-28 12:01:19,311 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 12.22/7.08 [2019-03-28 12:01:19,311 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 12.22/7.08 [2019-03-28 12:01:19,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 12.22/7.08 [2019-03-28 12:01:19,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 12.22/7.08 [2019-03-28 12:01:19,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.22/7.08 [2019-03-28 12:01:19,333 INFO L119 BuchiIsEmpty]: Starting construction of run 12.22/7.08 [2019-03-28 12:01:19,339 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.22/7.08 [2019-03-28 12:01:19,339 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 12.22/7.08 [2019-03-28 12:01:19,340 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 12.22/7.08 [2019-03-28 12:01:19,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 12.22/7.08 [2019-03-28 12:01:19,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 12.22/7.08 [2019-03-28 12:01:19,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.22/7.08 [2019-03-28 12:01:19,340 INFO L119 BuchiIsEmpty]: Starting construction of run 12.22/7.08 [2019-03-28 12:01:19,341 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.22/7.08 [2019-03-28 12:01:19,341 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 12.22/7.08 [2019-03-28 12:01:19,346 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [27] ULTIMATE.startENTRY-->L15-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L15-2true 12.22/7.08 [2019-03-28 12:01:19,346 INFO L796 eck$LassoCheckResult]: Loop: 5#L15-2true [31] L15-2-->L15: Formula: (< v_ULTIMATE.start_main_~i~0_5 255) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5} AuxVars[] AssignedVars[] 3#L15true [35] L15-->L15-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 1)) (> 0 |v_ULTIMATE.start_main_#t~nondet1_3|)) InVars {ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_3|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_2|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~i~0] 5#L15-2true 12.22/7.08 [2019-03-28 12:01:19,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.22/7.08 [2019-03-28 12:01:19,352 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times 12.22/7.08 [2019-03-28 12:01:19,354 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.22/7.08 [2019-03-28 12:01:19,355 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.22/7.08 [2019-03-28 12:01:19,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.22/7.08 [2019-03-28 12:01:19,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.22/7.08 [2019-03-28 12:01:19,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.22/7.08 [2019-03-28 12:01:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.22/7.08 [2019-03-28 12:01:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.22/7.08 [2019-03-28 12:01:19,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.22/7.08 [2019-03-28 12:01:19,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1957, now seen corresponding path program 1 times 12.22/7.08 [2019-03-28 12:01:19,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.22/7.08 [2019-03-28 12:01:19,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.22/7.08 [2019-03-28 12:01:19,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.22/7.08 [2019-03-28 12:01:19,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.22/7.08 [2019-03-28 12:01:19,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.22/7.08 [2019-03-28 12:01:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.22/7.08 [2019-03-28 12:01:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.22/7.08 [2019-03-28 12:01:19,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.22/7.08 [2019-03-28 12:01:19,432 INFO L82 PathProgramCache]: Analyzing trace with hash 56734, now seen corresponding path program 1 times 12.22/7.08 [2019-03-28 12:01:19,433 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.22/7.08 [2019-03-28 12:01:19,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.22/7.08 [2019-03-28 12:01:19,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.22/7.08 [2019-03-28 12:01:19,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.22/7.08 [2019-03-28 12:01:19,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.22/7.08 [2019-03-28 12:01:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.22/7.08 [2019-03-28 12:01:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.22/7.08 [2019-03-28 12:01:19,475 INFO L216 LassoAnalysis]: Preferences: 12.22/7.08 [2019-03-28 12:01:19,476 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.22/7.08 [2019-03-28 12:01:19,476 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.22/7.08 [2019-03-28 12:01:19,476 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.22/7.08 [2019-03-28 12:01:19,476 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.22/7.08 [2019-03-28 12:01:19,477 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.22/7.08 [2019-03-28 12:01:19,477 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.22/7.08 [2019-03-28 12:01:19,477 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.22/7.08 [2019-03-28 12:01:19,477 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 12.22/7.08 [2019-03-28 12:01:19,477 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.22/7.08 [2019-03-28 12:01:19,478 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.22/7.08 [2019-03-28 12:01:19,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.22/7.08 [2019-03-28 12:01:19,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.22/7.08 [2019-03-28 12:01:19,572 INFO L300 LassoAnalysis]: Preprocessing complete. 12.22/7.08 [2019-03-28 12:01:19,573 INFO L412 LassoAnalysis]: Checking for nontermination... 12.22/7.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.22/7.08 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.22/7.08 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.22/7.08 [2019-03-28 12:01:19,580 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.22/7.08 [2019-03-28 12:01:19,581 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.22/7.08 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.22/7.08 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.22/7.08 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.22/7.08 [2019-03-28 12:01:19,614 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.22/7.08 [2019-03-28 12:01:19,614 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.22/7.08 [2019-03-28 12:01:19,647 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 12.22/7.08 [2019-03-28 12:01:19,649 INFO L216 LassoAnalysis]: Preferences: 12.22/7.08 [2019-03-28 12:01:19,649 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.22/7.08 [2019-03-28 12:01:19,649 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.22/7.08 [2019-03-28 12:01:19,649 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.22/7.08 [2019-03-28 12:01:19,649 INFO L127 ssoRankerPreferences]: Use exernal solver: false 12.22/7.08 [2019-03-28 12:01:19,649 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 12.22/7.08 [2019-03-28 12:01:19,649 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.22/7.08 [2019-03-28 12:01:19,650 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.22/7.08 [2019-03-28 12:01:19,650 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 12.22/7.08 [2019-03-28 12:01:19,650 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.22/7.08 [2019-03-28 12:01:19,650 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.22/7.08 [2019-03-28 12:01:19,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.22/7.08 [2019-03-28 12:01:19,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.22/7.08 [2019-03-28 12:01:19,697 INFO L300 LassoAnalysis]: Preprocessing complete. 12.22/7.08 [2019-03-28 12:01:19,703 INFO L497 LassoAnalysis]: Using template 'affine'. 12.22/7.08 [2019-03-28 12:01:19,705 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 12.22/7.08 Termination analysis: LINEAR_WITH_GUESSES 12.22/7.08 Number of strict supporting invariants: 0 12.22/7.08 Number of non-strict supporting invariants: 1 12.22/7.08 Consider only non-deceasing supporting invariants: true 12.22/7.08 Simplify termination arguments: true 12.22/7.08 Simplify supporting invariants: trueOverapproximate stem: false 12.22/7.08 [2019-03-28 12:01:19,706 INFO L339 nArgumentSynthesizer]: Template has degree 0. 12.22/7.08 [2019-03-28 12:01:19,706 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 12.22/7.08 [2019-03-28 12:01:19,707 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 12.22/7.08 [2019-03-28 12:01:19,707 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 12.22/7.08 [2019-03-28 12:01:19,707 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 12.22/7.08 [2019-03-28 12:01:19,710 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 12.22/7.08 [2019-03-28 12:01:19,710 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 12.22/7.08 [2019-03-28 12:01:19,717 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 12.22/7.08 [2019-03-28 12:01:19,725 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 12.22/7.08 [2019-03-28 12:01:19,725 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 12.22/7.08 [2019-03-28 12:01:19,727 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 12.22/7.08 [2019-03-28 12:01:19,728 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 12.22/7.08 [2019-03-28 12:01:19,728 INFO L518 LassoAnalysis]: Proved termination. 12.22/7.08 [2019-03-28 12:01:19,729 INFO L520 LassoAnalysis]: Termination argument consisting of: 12.22/7.08 Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 509 12.22/7.08 Supporting invariants [] 12.22/7.08 [2019-03-28 12:01:19,730 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 12.22/7.08 [2019-03-28 12:01:19,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.22/7.08 [2019-03-28 12:01:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.22/7.08 [2019-03-28 12:01:19,778 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core 12.22/7.08 [2019-03-28 12:01:19,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.22/7.08 [2019-03-28 12:01:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.22/7.08 [2019-03-28 12:01:19,790 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 12.22/7.08 [2019-03-28 12:01:19,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.22/7.08 [2019-03-28 12:01:19,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.22/7.08 [2019-03-28 12:01:19,842 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 12.22/7.08 [2019-03-28 12:01:19,847 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 12.22/7.08 [2019-03-28 12:01:19,848 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 12.22/7.08 [2019-03-28 12:01:19,898 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 5 states and 8 transitions. Complement of second has 4 states. 12.22/7.08 [2019-03-28 12:01:19,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 12.22/7.08 [2019-03-28 12:01:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 12.22/7.08 [2019-03-28 12:01:19,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. 12.22/7.08 [2019-03-28 12:01:19,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. 12.22/7.08 [2019-03-28 12:01:19,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.22/7.08 [2019-03-28 12:01:19,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 3 letters. Loop has 2 letters. 12.22/7.08 [2019-03-28 12:01:19,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.22/7.08 [2019-03-28 12:01:19,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 1 letters. Loop has 4 letters. 12.22/7.08 [2019-03-28 12:01:19,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.22/7.08 [2019-03-28 12:01:19,911 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 8 transitions. 12.22/7.08 [2019-03-28 12:01:19,912 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 12.22/7.08 [2019-03-28 12:01:19,915 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 0 states and 0 transitions. 12.22/7.08 [2019-03-28 12:01:19,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 12.22/7.08 [2019-03-28 12:01:19,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 12.22/7.08 [2019-03-28 12:01:19,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 12.22/7.08 [2019-03-28 12:01:19,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 12.22/7.08 [2019-03-28 12:01:19,917 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.22/7.08 [2019-03-28 12:01:19,917 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.22/7.08 [2019-03-28 12:01:19,917 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.22/7.08 [2019-03-28 12:01:19,917 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 12.22/7.08 [2019-03-28 12:01:19,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 12.22/7.08 [2019-03-28 12:01:19,918 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 12.22/7.08 [2019-03-28 12:01:19,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 12.22/7.08 [2019-03-28 12:01:19,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:01:19 BasicIcfg 12.22/7.08 [2019-03-28 12:01:19,923 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.22/7.08 [2019-03-28 12:01:19,924 INFO L168 Benchmark]: Toolchain (without parser) took 1410.04 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 559.4 MB in the beginning and 562.5 MB in the end (delta: -3.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 50.3 GB. 12.22/7.08 [2019-03-28 12:01:19,926 INFO L168 Benchmark]: CDTParser took 0.15 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. 12.22/7.08 [2019-03-28 12:01:19,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.74 ms. Allocated memory is still 649.6 MB. Free memory was 559.4 MB in the beginning and 549.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 12.22/7.08 [2019-03-28 12:01:19,927 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.06 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 549.6 MB in the beginning and 645.3 MB in the end (delta: -95.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. 12.22/7.08 [2019-03-28 12:01:19,928 INFO L168 Benchmark]: Boogie Preprocessor took 18.90 ms. Allocated memory is still 677.4 MB. Free memory was 645.3 MB in the beginning and 641.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 12.22/7.08 [2019-03-28 12:01:19,928 INFO L168 Benchmark]: RCFGBuilder took 201.53 ms. Allocated memory is still 677.4 MB. Free memory was 641.4 MB in the beginning and 629.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 12.22/7.08 [2019-03-28 12:01:19,929 INFO L168 Benchmark]: BlockEncodingV2 took 76.62 ms. Allocated memory is still 677.4 MB. Free memory was 629.0 MB in the beginning and 623.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 12.22/7.08 [2019-03-28 12:01:19,930 INFO L168 Benchmark]: TraceAbstraction took 149.76 ms. Allocated memory is still 677.4 MB. Free memory was 622.5 MB in the beginning and 613.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 12.22/7.08 [2019-03-28 12:01:19,930 INFO L168 Benchmark]: BuchiAutomizer took 650.16 ms. Allocated memory is still 677.4 MB. Free memory was 613.8 MB in the beginning and 562.5 MB in the end (delta: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 50.3 GB. 12.22/7.08 [2019-03-28 12:01:19,935 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.22/7.08 --- Results --- 12.22/7.08 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.22/7.08 - StatisticsResult: Initial Icfg 12.22/7.08 7 locations, 9 edges 12.22/7.08 - StatisticsResult: Encoded RCFG 12.22/7.08 3 locations, 5 edges 12.22/7.08 * Results from de.uni_freiburg.informatik.ultimate.core: 12.22/7.08 - StatisticsResult: Toolchain Benchmarks 12.22/7.08 Benchmark results are: 12.22/7.08 * CDTParser took 0.15 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. 12.22/7.08 * CACSL2BoogieTranslator took 218.74 ms. Allocated memory is still 649.6 MB. Free memory was 559.4 MB in the beginning and 549.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 12.22/7.08 * Boogie Procedure Inliner took 89.06 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 549.6 MB in the beginning and 645.3 MB in the end (delta: -95.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. 12.22/7.08 * Boogie Preprocessor took 18.90 ms. Allocated memory is still 677.4 MB. Free memory was 645.3 MB in the beginning and 641.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 12.22/7.08 * RCFGBuilder took 201.53 ms. Allocated memory is still 677.4 MB. Free memory was 641.4 MB in the beginning and 629.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 12.22/7.08 * BlockEncodingV2 took 76.62 ms. Allocated memory is still 677.4 MB. Free memory was 629.0 MB in the beginning and 623.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 12.22/7.08 * TraceAbstraction took 149.76 ms. Allocated memory is still 677.4 MB. Free memory was 622.5 MB in the beginning and 613.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 12.22/7.08 * BuchiAutomizer took 650.16 ms. Allocated memory is still 677.4 MB. Free memory was 613.8 MB in the beginning and 562.5 MB in the end (delta: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 50.3 GB. 12.22/7.08 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.22/7.08 - AllSpecificationsHoldResult: All specifications hold 12.22/7.08 We were not able to verify any specifiation because the program does not contain any specification. 12.22/7.08 - InvariantResult [Line: 14]: Loop Invariant 12.22/7.08 Derived loop invariant: 1 12.22/7.08 - StatisticsResult: Ultimate Automizer benchmark data 12.22/7.08 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 12.22/7.08 - StatisticsResult: Constructed decomposition of program 12.22/7.08 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function -2 * i + 509 and consists of 3 locations. 12.22/7.08 - StatisticsResult: Timing statistics 12.22/7.08 BüchiAutomizer plugin needed 0.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 12.22/7.08 - TerminationAnalysisResult: Termination proven 12.22/7.08 Buchi Automizer proved that your program is terminating 12.22/7.08 RESULT: Ultimate proved your program to be correct! 12.22/7.08 !SESSION 2019-03-28 12:01:14.655 ----------------------------------------------- 12.22/7.08 eclipse.buildId=unknown 12.22/7.08 java.version=1.8.0_181 12.22/7.08 java.vendor=Oracle Corporation 12.22/7.08 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.22/7.08 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 12.22/7.08 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 12.22/7.08 12.22/7.08 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:01:20.167 12.22/7.08 !MESSAGE The workspace will exit with unsaved changes in this session. 12.22/7.08 Received shutdown request... 12.22/7.08 Ultimate: 12.22/7.08 GTK+ Version Check 12.22/7.08 EOF