16.60/9.44 YES 16.60/9.44 16.60/9.44 Ultimate: Cannot open display: 16.60/9.44 This is Ultimate 0.1.24-8dc7c08-m 16.60/9.44 [2019-03-29 01:47:29,850 INFO L170 SettingsManager]: Resetting all preferences to default values... 16.60/9.44 [2019-03-29 01:47:29,852 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 16.60/9.44 [2019-03-29 01:47:29,864 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 16.60/9.44 [2019-03-29 01:47:29,864 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 16.60/9.44 [2019-03-29 01:47:29,865 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 16.60/9.44 [2019-03-29 01:47:29,867 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 16.60/9.44 [2019-03-29 01:47:29,868 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 16.60/9.44 [2019-03-29 01:47:29,870 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 16.60/9.44 [2019-03-29 01:47:29,871 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 16.60/9.44 [2019-03-29 01:47:29,871 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 16.60/9.44 [2019-03-29 01:47:29,872 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 16.60/9.44 [2019-03-29 01:47:29,873 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 16.60/9.44 [2019-03-29 01:47:29,874 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 16.60/9.44 [2019-03-29 01:47:29,875 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 16.60/9.44 [2019-03-29 01:47:29,875 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 16.60/9.44 [2019-03-29 01:47:29,876 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 16.60/9.44 [2019-03-29 01:47:29,878 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 16.60/9.44 [2019-03-29 01:47:29,880 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 16.60/9.44 [2019-03-29 01:47:29,881 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 16.60/9.44 [2019-03-29 01:47:29,882 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 16.60/9.44 [2019-03-29 01:47:29,884 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 16.60/9.44 [2019-03-29 01:47:29,886 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 16.60/9.44 [2019-03-29 01:47:29,887 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 16.60/9.44 [2019-03-29 01:47:29,887 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 16.60/9.44 [2019-03-29 01:47:29,888 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 16.60/9.44 [2019-03-29 01:47:29,888 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 16.60/9.44 [2019-03-29 01:47:29,889 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 16.60/9.44 [2019-03-29 01:47:29,889 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 16.60/9.44 [2019-03-29 01:47:29,890 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 16.60/9.44 [2019-03-29 01:47:29,891 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 16.60/9.44 [2019-03-29 01:47:29,892 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 16.60/9.44 [2019-03-29 01:47:29,893 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 16.60/9.44 [2019-03-29 01:47:29,893 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 16.60/9.44 [2019-03-29 01:47:29,893 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 16.60/9.44 [2019-03-29 01:47:29,894 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 16.60/9.44 [2019-03-29 01:47:29,894 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 16.60/9.44 [2019-03-29 01:47:29,895 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 16.60/9.44 [2019-03-29 01:47:29,895 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 16.60/9.44 [2019-03-29 01:47:29,896 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 16.60/9.44 [2019-03-29 01:47:29,911 INFO L110 SettingsManager]: Loading preferences was successful 16.60/9.44 [2019-03-29 01:47:29,911 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 16.60/9.44 [2019-03-29 01:47:29,912 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 16.60/9.44 [2019-03-29 01:47:29,912 INFO L133 SettingsManager]: * Rewrite not-equals=true 16.60/9.44 [2019-03-29 01:47:29,913 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 16.60/9.44 [2019-03-29 01:47:29,913 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 16.60/9.44 [2019-03-29 01:47:29,913 INFO L133 SettingsManager]: * Use SBE=true 16.60/9.44 [2019-03-29 01:47:29,913 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 16.60/9.44 [2019-03-29 01:47:29,914 INFO L133 SettingsManager]: * Use old map elimination=false 16.60/9.44 [2019-03-29 01:47:29,914 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 16.60/9.44 [2019-03-29 01:47:29,914 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 16.60/9.44 [2019-03-29 01:47:29,914 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 16.60/9.44 [2019-03-29 01:47:29,914 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 16.60/9.44 [2019-03-29 01:47:29,914 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 16.60/9.44 [2019-03-29 01:47:29,915 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.60/9.44 [2019-03-29 01:47:29,915 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 16.60/9.44 [2019-03-29 01:47:29,915 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 16.60/9.44 [2019-03-29 01:47:29,915 INFO L133 SettingsManager]: * Check division by zero=IGNORE 16.60/9.44 [2019-03-29 01:47:29,916 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 16.60/9.44 [2019-03-29 01:47:29,916 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 16.60/9.44 [2019-03-29 01:47:29,916 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 16.60/9.44 [2019-03-29 01:47:29,916 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 16.60/9.44 [2019-03-29 01:47:29,916 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 16.60/9.44 [2019-03-29 01:47:29,917 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 16.60/9.44 [2019-03-29 01:47:29,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.60/9.44 [2019-03-29 01:47:29,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 16.60/9.44 [2019-03-29 01:47:29,917 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 16.60/9.44 [2019-03-29 01:47:29,917 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 16.60/9.44 [2019-03-29 01:47:29,918 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 16.60/9.44 [2019-03-29 01:47:29,943 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 16.60/9.44 [2019-03-29 01:47:29,956 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 16.60/9.44 [2019-03-29 01:47:29,960 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 16.60/9.44 [2019-03-29 01:47:29,961 INFO L271 PluginConnector]: Initializing CDTParser... 16.60/9.44 [2019-03-29 01:47:29,961 INFO L276 PluginConnector]: CDTParser initialized 16.60/9.44 [2019-03-29 01:47:29,962 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 16.60/9.44 [2019-03-29 01:47:30,026 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/df419157768248a4bb90816b00d4cc00/FLAGe07857ec7 16.60/9.44 [2019-03-29 01:47:30,368 INFO L307 CDTParser]: Found 1 translation units. 16.60/9.44 [2019-03-29 01:47:30,368 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 16.60/9.44 [2019-03-29 01:47:30,375 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/df419157768248a4bb90816b00d4cc00/FLAGe07857ec7 16.60/9.44 [2019-03-29 01:47:30,770 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/df419157768248a4bb90816b00d4cc00 16.60/9.44 [2019-03-29 01:47:30,782 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 16.60/9.44 [2019-03-29 01:47:30,783 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 16.60/9.44 [2019-03-29 01:47:30,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 16.60/9.44 [2019-03-29 01:47:30,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 16.60/9.44 [2019-03-29 01:47:30,788 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 16.60/9.44 [2019-03-29 01:47:30,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:47:30" (1/1) ... 16.60/9.44 [2019-03-29 01:47:30,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634f83b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:47:30, skipping insertion in model container 16.60/9.44 [2019-03-29 01:47:30,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:47:30" (1/1) ... 16.60/9.44 [2019-03-29 01:47:30,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 16.60/9.44 [2019-03-29 01:47:30,817 INFO L176 MainTranslator]: Built tables and reachable declarations 16.60/9.44 [2019-03-29 01:47:30,974 INFO L206 PostProcessor]: Analyzing one entry point: main 16.60/9.44 [2019-03-29 01:47:30,979 INFO L191 MainTranslator]: Completed pre-run 16.60/9.44 [2019-03-29 01:47:30,995 INFO L206 PostProcessor]: Analyzing one entry point: main 16.60/9.44 [2019-03-29 01:47:31,010 INFO L195 MainTranslator]: Completed translation 16.60/9.44 [2019-03-29 01:47:31,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:47:31 WrapperNode 16.60/9.44 [2019-03-29 01:47:31,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 16.60/9.44 [2019-03-29 01:47:31,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 16.60/9.44 [2019-03-29 01:47:31,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 16.60/9.44 [2019-03-29 01:47:31,012 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 16.60/9.44 [2019-03-29 01:47:31,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:47:31" (1/1) ... 16.60/9.44 [2019-03-29 01:47:31,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:47:31" (1/1) ... 16.60/9.44 [2019-03-29 01:47:31,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 16.60/9.44 [2019-03-29 01:47:31,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 16.60/9.44 [2019-03-29 01:47:31,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 16.60/9.44 [2019-03-29 01:47:31,113 INFO L276 PluginConnector]: Boogie Preprocessor initialized 16.60/9.44 [2019-03-29 01:47:31,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:47:31" (1/1) ... 16.60/9.44 [2019-03-29 01:47:31,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:47:31" (1/1) ... 16.60/9.44 [2019-03-29 01:47:31,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:47:31" (1/1) ... 16.60/9.44 [2019-03-29 01:47:31,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:47:31" (1/1) ... 16.60/9.44 [2019-03-29 01:47:31,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:47:31" (1/1) ... 16.60/9.44 [2019-03-29 01:47:31,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:47:31" (1/1) ... 16.60/9.44 [2019-03-29 01:47:31,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:47:31" (1/1) ... 16.60/9.44 [2019-03-29 01:47:31,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 16.60/9.44 [2019-03-29 01:47:31,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 16.60/9.44 [2019-03-29 01:47:31,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... 16.60/9.44 [2019-03-29 01:47:31,134 INFO L276 PluginConnector]: RCFGBuilder initialized 16.60/9.44 [2019-03-29 01:47:31,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:47:31" (1/1) ... 16.60/9.44 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.60/9.44 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 16.60/9.44 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.60/9.44 [2019-03-29 01:47:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 16.60/9.44 [2019-03-29 01:47:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 16.60/9.44 [2019-03-29 01:47:31,338 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 16.60/9.44 [2019-03-29 01:47:31,338 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 16.60/9.44 [2019-03-29 01:47:31,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:47:31 BoogieIcfgContainer 16.60/9.44 [2019-03-29 01:47:31,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 16.60/9.44 [2019-03-29 01:47:31,340 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 16.60/9.44 [2019-03-29 01:47:31,340 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 16.60/9.44 [2019-03-29 01:47:31,343 INFO L276 PluginConnector]: BlockEncodingV2 initialized 16.60/9.44 [2019-03-29 01:47:31,344 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:47:31" (1/1) ... 16.60/9.44 [2019-03-29 01:47:31,360 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 16.60/9.44 [2019-03-29 01:47:31,362 INFO L258 BlockEncoder]: Using Remove infeasible edges 16.60/9.44 [2019-03-29 01:47:31,362 INFO L263 BlockEncoder]: Using Maximize final states 16.60/9.44 [2019-03-29 01:47:31,363 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 16.60/9.44 [2019-03-29 01:47:31,363 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 16.60/9.44 [2019-03-29 01:47:31,365 INFO L296 BlockEncoder]: Using Remove sink states 16.60/9.44 [2019-03-29 01:47:31,366 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 16.60/9.44 [2019-03-29 01:47:31,367 INFO L179 BlockEncoder]: Using Rewrite not-equals 16.60/9.44 [2019-03-29 01:47:31,384 INFO L185 BlockEncoder]: Using Use SBE 16.60/9.44 [2019-03-29 01:47:31,398 INFO L200 BlockEncoder]: SBE split 1 edges 16.60/9.44 [2019-03-29 01:47:31,404 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 16.60/9.44 [2019-03-29 01:47:31,406 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.60/9.44 [2019-03-29 01:47:31,416 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 16.60/9.44 [2019-03-29 01:47:31,419 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 16.60/9.44 [2019-03-29 01:47:31,420 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 16.60/9.44 [2019-03-29 01:47:31,420 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.60/9.44 [2019-03-29 01:47:31,426 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 16.60/9.44 [2019-03-29 01:47:31,426 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 16.60/9.44 [2019-03-29 01:47:31,427 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 16.60/9.44 [2019-03-29 01:47:31,427 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.60/9.44 [2019-03-29 01:47:31,427 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 16.60/9.44 [2019-03-29 01:47:31,427 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 16.60/9.44 [2019-03-29 01:47:31,428 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 16.60/9.44 [2019-03-29 01:47:31,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:47:31 BasicIcfg 16.60/9.44 [2019-03-29 01:47:31,428 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 16.60/9.44 [2019-03-29 01:47:31,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 16.60/9.44 [2019-03-29 01:47:31,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... 16.60/9.44 [2019-03-29 01:47:31,433 INFO L276 PluginConnector]: TraceAbstraction initialized 16.60/9.44 [2019-03-29 01:47:31,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:47:30" (1/4) ... 16.60/9.44 [2019-03-29 01:47:31,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412ed82d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:47:31, skipping insertion in model container 16.60/9.44 [2019-03-29 01:47:31,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:47:31" (2/4) ... 16.60/9.44 [2019-03-29 01:47:31,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412ed82d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:47:31, skipping insertion in model container 16.60/9.44 [2019-03-29 01:47:31,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:47:31" (3/4) ... 16.60/9.44 [2019-03-29 01:47:31,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412ed82d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:47:31, skipping insertion in model container 16.60/9.44 [2019-03-29 01:47:31,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:47:31" (4/4) ... 16.60/9.44 [2019-03-29 01:47:31,437 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.60/9.44 [2019-03-29 01:47:31,448 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 16.60/9.44 [2019-03-29 01:47:31,455 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 16.60/9.44 [2019-03-29 01:47:31,473 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 16.60/9.44 [2019-03-29 01:47:31,501 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.60/9.44 [2019-03-29 01:47:31,502 INFO L382 AbstractCegarLoop]: Interprodecural is true 16.60/9.44 [2019-03-29 01:47:31,502 INFO L383 AbstractCegarLoop]: Hoare is true 16.60/9.44 [2019-03-29 01:47:31,502 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 16.60/9.44 [2019-03-29 01:47:31,503 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 16.60/9.44 [2019-03-29 01:47:31,503 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.60/9.44 [2019-03-29 01:47:31,503 INFO L387 AbstractCegarLoop]: Difference is false 16.60/9.44 [2019-03-29 01:47:31,503 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 16.60/9.44 [2019-03-29 01:47:31,503 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 16.60/9.44 [2019-03-29 01:47:31,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 16.60/9.44 [2019-03-29 01:47:31,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 16.60/9.44 [2019-03-29 01:47:31,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 16.60/9.44 [2019-03-29 01:47:31,575 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 16.60/9.44 [2019-03-29 01:47:31,576 INFO L451 ceAbstractionStarter]: At program point L22-2(lines 22 24) the Hoare annotation is: true 16.60/9.44 [2019-03-29 01:47:31,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:47:31 BasicIcfg 16.60/9.44 [2019-03-29 01:47:31,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 16.60/9.44 [2019-03-29 01:47:31,585 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 16.60/9.44 [2019-03-29 01:47:31,585 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 16.60/9.44 [2019-03-29 01:47:31,588 INFO L276 PluginConnector]: BuchiAutomizer initialized 16.60/9.44 [2019-03-29 01:47:31,589 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.60/9.44 [2019-03-29 01:47:31,589 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:47:30" (1/5) ... 16.60/9.44 [2019-03-29 01:47:31,590 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56cd1f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:47:31, skipping insertion in model container 16.60/9.44 [2019-03-29 01:47:31,590 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.60/9.44 [2019-03-29 01:47:31,590 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:47:31" (2/5) ... 16.60/9.44 [2019-03-29 01:47:31,591 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56cd1f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:47:31, skipping insertion in model container 16.60/9.44 [2019-03-29 01:47:31,591 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.60/9.44 [2019-03-29 01:47:31,591 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:47:31" (3/5) ... 16.60/9.44 [2019-03-29 01:47:31,591 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56cd1f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:47:31, skipping insertion in model container 16.60/9.44 [2019-03-29 01:47:31,591 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.60/9.44 [2019-03-29 01:47:31,592 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:47:31" (4/5) ... 16.60/9.44 [2019-03-29 01:47:31,592 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56cd1f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:47:31, skipping insertion in model container 16.60/9.44 [2019-03-29 01:47:31,592 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.60/9.44 [2019-03-29 01:47:31,592 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:47:31" (5/5) ... 16.60/9.44 [2019-03-29 01:47:31,594 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.60/9.44 [2019-03-29 01:47:31,621 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.60/9.44 [2019-03-29 01:47:31,622 INFO L374 BuchiCegarLoop]: Interprodecural is true 16.60/9.44 [2019-03-29 01:47:31,622 INFO L375 BuchiCegarLoop]: Hoare is true 16.60/9.44 [2019-03-29 01:47:31,622 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 16.60/9.44 [2019-03-29 01:47:31,622 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 16.60/9.44 [2019-03-29 01:47:31,622 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.60/9.44 [2019-03-29 01:47:31,622 INFO L379 BuchiCegarLoop]: Difference is false 16.60/9.44 [2019-03-29 01:47:31,623 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 16.60/9.44 [2019-03-29 01:47:31,623 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 16.60/9.44 [2019-03-29 01:47:31,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 16.60/9.44 [2019-03-29 01:47:31,644 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 16.60/9.44 [2019-03-29 01:47:31,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.60/9.44 [2019-03-29 01:47:31,645 INFO L119 BuchiIsEmpty]: Starting construction of run 16.60/9.44 [2019-03-29 01:47:31,650 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.60/9.44 [2019-03-29 01:47:31,651 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 16.60/9.44 [2019-03-29 01:47:31,651 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 16.60/9.44 [2019-03-29 01:47:31,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 16.60/9.44 [2019-03-29 01:47:31,651 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 16.60/9.44 [2019-03-29 01:47:31,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.60/9.44 [2019-03-29 01:47:31,652 INFO L119 BuchiIsEmpty]: Starting construction of run 16.60/9.44 [2019-03-29 01:47:31,652 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.60/9.44 [2019-03-29 01:47:31,652 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 16.60/9.44 [2019-03-29 01:47:31,657 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [39] ULTIMATE.startENTRY-->L22-2: Formula: (= v_ULTIMATE.start_main_~a~0_9 v_ULTIMATE.start_main_~b~0_9) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_9, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~a~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~b~0, ULTIMATE.start_main_~x~0] 4#L22-2true 16.60/9.44 [2019-03-29 01:47:31,658 INFO L796 eck$LassoCheckResult]: Loop: 4#L22-2true [31] L22-2-->L22-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~a~0_8 v_ULTIMATE.start_main_~x~0_8 (* (- 1) v_ULTIMATE.start_main_~b~0_8) (- 1)))) InVars {ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_8} OutVars{ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L22-2true 16.60/9.44 [2019-03-29 01:47:31,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.60/9.44 [2019-03-29 01:47:31,664 INFO L82 PathProgramCache]: Analyzing trace with hash 70, now seen corresponding path program 1 times 16.60/9.44 [2019-03-29 01:47:31,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.60/9.44 [2019-03-29 01:47:31,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.60/9.44 [2019-03-29 01:47:31,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.60/9.44 [2019-03-29 01:47:31,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.60/9.44 [2019-03-29 01:47:31,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.60/9.44 [2019-03-29 01:47:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.60/9.44 [2019-03-29 01:47:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.60/9.44 [2019-03-29 01:47:31,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.60/9.44 [2019-03-29 01:47:31,739 INFO L82 PathProgramCache]: Analyzing trace with hash 62, now seen corresponding path program 1 times 16.60/9.44 [2019-03-29 01:47:31,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.60/9.44 [2019-03-29 01:47:31,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.60/9.44 [2019-03-29 01:47:31,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.60/9.44 [2019-03-29 01:47:31,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.60/9.44 [2019-03-29 01:47:31,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.60/9.44 [2019-03-29 01:47:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.60/9.44 [2019-03-29 01:47:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.60/9.44 [2019-03-29 01:47:31,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.60/9.44 [2019-03-29 01:47:31,752 INFO L82 PathProgramCache]: Analyzing trace with hash 2201, now seen corresponding path program 1 times 16.60/9.44 [2019-03-29 01:47:31,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.60/9.44 [2019-03-29 01:47:31,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.60/9.44 [2019-03-29 01:47:31,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.60/9.44 [2019-03-29 01:47:31,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.60/9.44 [2019-03-29 01:47:31,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.60/9.44 [2019-03-29 01:47:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.60/9.44 [2019-03-29 01:47:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.60/9.44 [2019-03-29 01:47:31,816 INFO L216 LassoAnalysis]: Preferences: 16.60/9.44 [2019-03-29 01:47:31,818 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.60/9.44 [2019-03-29 01:47:31,818 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.60/9.44 [2019-03-29 01:47:31,818 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.60/9.44 [2019-03-29 01:47:31,818 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.60/9.44 [2019-03-29 01:47:31,818 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.60/9.44 [2019-03-29 01:47:31,819 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.60/9.44 [2019-03-29 01:47:31,819 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.60/9.44 [2019-03-29 01:47:31,819 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 16.60/9.44 [2019-03-29 01:47:31,819 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.60/9.44 [2019-03-29 01:47:31,819 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.60/9.44 [2019-03-29 01:47:31,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.60/9.44 [2019-03-29 01:47:31,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.60/9.44 [2019-03-29 01:47:31,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.60/9.44 [2019-03-29 01:47:31,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.60/9.44 [2019-03-29 01:47:31,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.60/9.44 [2019-03-29 01:47:31,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.60/9.44 [2019-03-29 01:47:31,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.60/9.44 [2019-03-29 01:47:31,970 INFO L300 LassoAnalysis]: Preprocessing complete. 16.60/9.44 [2019-03-29 01:47:31,971 INFO L412 LassoAnalysis]: Checking for nontermination... 16.60/9.44 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.60/9.44 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.60/9.44 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.60/9.44 [2019-03-29 01:47:31,982 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.60/9.44 [2019-03-29 01:47:31,982 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.60/9.44 [2019-03-29 01:47:31,990 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.60/9.44 [2019-03-29 01:47:31,990 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.60/9.44 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.60/9.44 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.60/9.44 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.60/9.44 [2019-03-29 01:47:32,021 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.60/9.44 [2019-03-29 01:47:32,021 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.60/9.44 [2019-03-29 01:47:32,050 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.60/9.44 [2019-03-29 01:47:32,051 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.60/9.44 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.60/9.44 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.60/9.44 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.60/9.44 [2019-03-29 01:47:32,060 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.60/9.44 [2019-03-29 01:47:32,060 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.60/9.44 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.60/9.44 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.60/9.44 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.60/9.44 [2019-03-29 01:47:32,097 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.60/9.44 [2019-03-29 01:47:32,097 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.60/9.44 [2019-03-29 01:47:35,303 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.60/9.44 [2019-03-29 01:47:35,306 INFO L216 LassoAnalysis]: Preferences: 16.60/9.44 [2019-03-29 01:47:35,306 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.60/9.44 [2019-03-29 01:47:35,306 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.60/9.44 [2019-03-29 01:47:35,306 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.60/9.44 [2019-03-29 01:47:35,306 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.60/9.44 [2019-03-29 01:47:35,307 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.60/9.44 [2019-03-29 01:47:35,307 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.60/9.44 [2019-03-29 01:47:35,307 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.60/9.44 [2019-03-29 01:47:35,307 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 16.60/9.44 [2019-03-29 01:47:35,307 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.60/9.44 [2019-03-29 01:47:35,307 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.60/9.44 [2019-03-29 01:47:35,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.60/9.44 [2019-03-29 01:47:35,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.60/9.44 [2019-03-29 01:47:35,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.60/9.44 [2019-03-29 01:47:35,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.60/9.44 [2019-03-29 01:47:35,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.60/9.44 [2019-03-29 01:47:35,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.60/9.44 [2019-03-29 01:47:35,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.60/9.44 [2019-03-29 01:47:35,405 INFO L300 LassoAnalysis]: Preprocessing complete. 16.60/9.44 [2019-03-29 01:47:35,411 INFO L497 LassoAnalysis]: Using template 'affine'. 16.60/9.44 [2019-03-29 01:47:35,412 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.60/9.44 Termination analysis: LINEAR_WITH_GUESSES 16.60/9.44 Number of strict supporting invariants: 0 16.60/9.44 Number of non-strict supporting invariants: 1 16.60/9.44 Consider only non-deceasing supporting invariants: true 16.60/9.44 Simplify termination arguments: true 16.60/9.44 Simplify supporting invariants: trueOverapproximate stem: false 16.60/9.44 [2019-03-29 01:47:35,414 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.60/9.44 [2019-03-29 01:47:35,414 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.60/9.44 [2019-03-29 01:47:35,415 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.60/9.44 [2019-03-29 01:47:35,415 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.60/9.44 [2019-03-29 01:47:35,421 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.60/9.44 [2019-03-29 01:47:35,421 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.60/9.44 [2019-03-29 01:47:35,453 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.60/9.44 [2019-03-29 01:47:35,481 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. 16.60/9.44 [2019-03-29 01:47:35,481 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. 16.60/9.44 [2019-03-29 01:47:35,484 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.60/9.44 [2019-03-29 01:47:35,488 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 16.60/9.44 [2019-03-29 01:47:35,489 INFO L518 LassoAnalysis]: Proved termination. 16.60/9.44 [2019-03-29 01:47:35,489 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.60/9.44 Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 16.60/9.44 Supporting invariants [1*ULTIMATE.start_main_~b~0 - 1*ULTIMATE.start_main_~a~0 >= 0] 16.60/9.44 [2019-03-29 01:47:35,493 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 16.60/9.44 [2019-03-29 01:47:35,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.60/9.44 [2019-03-29 01:47:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.60/9.44 [2019-03-29 01:47:35,558 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 3 conjunts are in the unsatisfiable core 16.60/9.44 [2019-03-29 01:47:35,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.60/9.44 [2019-03-29 01:47:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.60/9.44 [2019-03-29 01:47:35,569 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core 16.60/9.44 [2019-03-29 01:47:35,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.60/9.44 [2019-03-29 01:47:35,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.60/9.44 [2019-03-29 01:47:35,598 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.60/9.44 [2019-03-29 01:47:35,603 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 16.60/9.44 [2019-03-29 01:47:35,605 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 16.60/9.44 [2019-03-29 01:47:35,640 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 16.60/9.44 [2019-03-29 01:47:35,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 16.60/9.44 [2019-03-29 01:47:35,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 16.60/9.44 [2019-03-29 01:47:35,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 16.60/9.44 [2019-03-29 01:47:35,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 16.60/9.44 [2019-03-29 01:47:35,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.60/9.44 [2019-03-29 01:47:35,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 16.60/9.44 [2019-03-29 01:47:35,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.60/9.44 [2019-03-29 01:47:35,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 16.60/9.44 [2019-03-29 01:47:35,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.60/9.44 [2019-03-29 01:47:35,650 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 16.60/9.44 [2019-03-29 01:47:35,650 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.60/9.44 [2019-03-29 01:47:35,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 16.60/9.44 [2019-03-29 01:47:35,654 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 16.60/9.44 [2019-03-29 01:47:35,654 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 16.60/9.44 [2019-03-29 01:47:35,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 16.60/9.44 [2019-03-29 01:47:35,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.60/9.44 [2019-03-29 01:47:35,655 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.60/9.44 [2019-03-29 01:47:35,655 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.60/9.44 [2019-03-29 01:47:35,656 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.60/9.44 [2019-03-29 01:47:35,656 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 16.60/9.44 [2019-03-29 01:47:35,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 16.60/9.44 [2019-03-29 01:47:35,656 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.60/9.44 [2019-03-29 01:47:35,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 16.60/9.44 [2019-03-29 01:47:35,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:47:35 BasicIcfg 16.60/9.44 [2019-03-29 01:47:35,662 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 16.60/9.44 [2019-03-29 01:47:35,663 INFO L168 Benchmark]: Toolchain (without parser) took 4880.14 ms. Allocated memory was 649.6 MB in the beginning and 684.7 MB in the end (delta: 35.1 MB). Free memory was 563.8 MB in the beginning and 532.0 MB in the end (delta: 31.8 MB). Peak memory consumption was 67.0 MB. Max. memory is 50.3 GB. 16.60/9.44 [2019-03-29 01:47:35,665 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.60/9.44 [2019-03-29 01:47:35,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.74 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 16.60/9.44 [2019-03-29 01:47:35,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.64 ms. Allocated memory was 649.6 MB in the beginning and 684.7 MB in the end (delta: 35.1 MB). Free memory was 554.2 MB in the beginning and 649.9 MB in the end (delta: -95.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 16.60/9.44 [2019-03-29 01:47:35,667 INFO L168 Benchmark]: Boogie Preprocessor took 20.50 ms. Allocated memory is still 684.7 MB. Free memory was 649.9 MB in the beginning and 648.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 16.60/9.44 [2019-03-29 01:47:35,667 INFO L168 Benchmark]: RCFGBuilder took 206.26 ms. Allocated memory is still 684.7 MB. Free memory was 648.2 MB in the beginning and 635.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 16.60/9.44 [2019-03-29 01:47:35,668 INFO L168 Benchmark]: BlockEncodingV2 took 88.38 ms. Allocated memory is still 684.7 MB. Free memory was 633.9 MB in the beginning and 628.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 16.60/9.44 [2019-03-29 01:47:35,668 INFO L168 Benchmark]: TraceAbstraction took 154.75 ms. Allocated memory is still 684.7 MB. Free memory was 627.4 MB in the beginning and 619.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 16.60/9.44 [2019-03-29 01:47:35,669 INFO L168 Benchmark]: BuchiAutomizer took 4077.36 ms. Allocated memory is still 684.7 MB. Free memory was 619.3 MB in the beginning and 532.0 MB in the end (delta: 87.4 MB). Peak memory consumption was 87.4 MB. Max. memory is 50.3 GB. 16.60/9.44 [2019-03-29 01:47:35,673 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 16.60/9.44 --- Results --- 16.60/9.44 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 16.60/9.44 - StatisticsResult: Initial Icfg 16.60/9.44 7 locations, 9 edges 16.60/9.44 - StatisticsResult: Encoded RCFG 16.60/9.44 2 locations, 2 edges 16.60/9.44 * Results from de.uni_freiburg.informatik.ultimate.core: 16.60/9.44 - StatisticsResult: Toolchain Benchmarks 16.60/9.44 Benchmark results are: 16.60/9.44 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.60/9.44 * CACSL2BoogieTranslator took 226.74 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 16.60/9.44 * Boogie Procedure Inliner took 100.64 ms. Allocated memory was 649.6 MB in the beginning and 684.7 MB in the end (delta: 35.1 MB). Free memory was 554.2 MB in the beginning and 649.9 MB in the end (delta: -95.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 16.60/9.44 * Boogie Preprocessor took 20.50 ms. Allocated memory is still 684.7 MB. Free memory was 649.9 MB in the beginning and 648.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 16.60/9.44 * RCFGBuilder took 206.26 ms. Allocated memory is still 684.7 MB. Free memory was 648.2 MB in the beginning and 635.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 16.60/9.44 * BlockEncodingV2 took 88.38 ms. Allocated memory is still 684.7 MB. Free memory was 633.9 MB in the beginning and 628.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 16.60/9.44 * TraceAbstraction took 154.75 ms. Allocated memory is still 684.7 MB. Free memory was 627.4 MB in the beginning and 619.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 16.60/9.44 * BuchiAutomizer took 4077.36 ms. Allocated memory is still 684.7 MB. Free memory was 619.3 MB in the beginning and 532.0 MB in the end (delta: 87.4 MB). Peak memory consumption was 87.4 MB. Max. memory is 50.3 GB. 16.60/9.44 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 16.60/9.44 - AllSpecificationsHoldResult: All specifications hold 16.60/9.44 We were not able to verify any specifiation because the program does not contain any specification. 16.60/9.44 - InvariantResult [Line: 22]: Loop Invariant 16.60/9.44 Derived loop invariant: 1 16.60/9.44 - StatisticsResult: Ultimate Automizer benchmark data 16.60/9.44 CFG has 1 procedures, 2 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=2occurred 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 16.60/9.44 - StatisticsResult: Constructed decomposition of program 16.60/9.44 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function 2 * x + 1 and consists of 2 locations. 16.60/9.44 - StatisticsResult: Timing statistics 16.60/9.44 BüchiAutomizer plugin needed 4.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. 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: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax181 hnf96 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq186 hnf96 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 77ms VariablesStem: 2 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 3.3s 16.60/9.44 - TerminationAnalysisResult: Termination proven 16.60/9.44 Buchi Automizer proved that your program is terminating 16.60/9.44 RESULT: Ultimate proved your program to be correct! 16.60/9.44 !SESSION 2019-03-29 01:47:27.466 ----------------------------------------------- 16.60/9.44 eclipse.buildId=unknown 16.60/9.44 java.version=1.8.0_181 16.60/9.44 java.vendor=Oracle Corporation 16.60/9.44 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 16.60/9.44 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 16.60/9.44 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 16.60/9.44 16.60/9.44 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:47:35.905 16.60/9.44 !MESSAGE The workspace will exit with unsaved changes in this session. 16.60/9.44 Received shutdown request... 16.60/9.44 Ultimate: 16.60/9.44 GTK+ Version Check 16.60/9.44 EOF